| /* | 
 |  * Copyright 2008 Advanced Micro Devices, Inc. | 
 |  * Copyright 2008 Red Hat Inc. | 
 |  * Copyright 2009 Jerome Glisse. | 
 |  * | 
 |  * Permission is hereby granted, free of charge, to any person obtaining a | 
 |  * copy of this software and associated documentation files (the "Software"), | 
 |  * to deal in the Software without restriction, including without limitation | 
 |  * the rights to use, copy, modify, merge, publish, distribute, sublicense, | 
 |  * and/or sell copies of the Software, and to permit persons to whom the | 
 |  * Software is furnished to do so, subject to the following conditions: | 
 |  * | 
 |  * The above copyright notice and this permission notice shall be included in | 
 |  * all copies or substantial portions of the Software. | 
 |  * | 
 |  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | 
 |  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | 
 |  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL | 
 |  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | 
 |  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | 
 |  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | 
 |  * OTHER DEALINGS IN THE SOFTWARE. | 
 |  * | 
 |  * Authors: Dave Airlie | 
 |  *          Alex Deucher | 
 |  *          Jerome Glisse | 
 |  */ | 
 | #include <linux/kernel.h> | 
 | #include "drmP.h" | 
 | #include "radeon.h" | 
 | #include "r600d.h" | 
 | #include "r600_reg_safe.h" | 
 |  | 
 | static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p, | 
 | 					struct radeon_cs_reloc **cs_reloc); | 
 | static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p, | 
 | 					struct radeon_cs_reloc **cs_reloc); | 
 | typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**); | 
 | static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm; | 
 | extern void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size); | 
 |  | 
 |  | 
 | struct r600_cs_track { | 
 | 	/* configuration we miror so that we use same code btw kms/ums */ | 
 | 	u32			group_size; | 
 | 	u32			nbanks; | 
 | 	u32			npipes; | 
 | 	/* value we track */ | 
 | 	u32			sq_config; | 
 | 	u32			log_nsamples; | 
 | 	u32			nsamples; | 
 | 	u32			cb_color_base_last[8]; | 
 | 	struct radeon_bo	*cb_color_bo[8]; | 
 | 	u64			cb_color_bo_mc[8]; | 
 | 	u64			cb_color_bo_offset[8]; | 
 | 	struct radeon_bo	*cb_color_frag_bo[8]; | 
 | 	u64			cb_color_frag_offset[8]; | 
 | 	struct radeon_bo	*cb_color_tile_bo[8]; | 
 | 	u64			cb_color_tile_offset[8]; | 
 | 	u32			cb_color_mask[8]; | 
 | 	u32			cb_color_info[8]; | 
 | 	u32			cb_color_view[8]; | 
 | 	u32			cb_color_size_idx[8]; /* unused */ | 
 | 	u32			cb_target_mask; | 
 | 	u32			cb_shader_mask;  /* unused */ | 
 | 	bool			is_resolve; | 
 | 	u32			cb_color_size[8]; | 
 | 	u32			vgt_strmout_en; | 
 | 	u32			vgt_strmout_buffer_en; | 
 | 	struct radeon_bo	*vgt_strmout_bo[4]; | 
 | 	u64			vgt_strmout_bo_mc[4]; /* unused */ | 
 | 	u32			vgt_strmout_bo_offset[4]; | 
 | 	u32			vgt_strmout_size[4]; | 
 | 	u32			db_depth_control; | 
 | 	u32			db_depth_info; | 
 | 	u32			db_depth_size_idx; | 
 | 	u32			db_depth_view; | 
 | 	u32			db_depth_size; | 
 | 	u32			db_offset; | 
 | 	struct radeon_bo	*db_bo; | 
 | 	u64			db_bo_mc; | 
 | 	bool			sx_misc_kill_all_prims; | 
 | 	bool			cb_dirty; | 
 | 	bool			db_dirty; | 
 | 	bool			streamout_dirty; | 
 | 	struct radeon_bo	*htile_bo; | 
 | 	u64			htile_offset; | 
 | 	u32			htile_surface; | 
 | }; | 
 |  | 
 | #define FMT_8_BIT(fmt, vc)   [fmt] = { 1, 1, 1, vc, CHIP_R600 } | 
 | #define FMT_16_BIT(fmt, vc)  [fmt] = { 1, 1, 2, vc, CHIP_R600 } | 
 | #define FMT_24_BIT(fmt)      [fmt] = { 1, 1, 4,  0, CHIP_R600 } | 
 | #define FMT_32_BIT(fmt, vc)  [fmt] = { 1, 1, 4, vc, CHIP_R600 } | 
 | #define FMT_48_BIT(fmt)      [fmt] = { 1, 1, 8,  0, CHIP_R600 } | 
 | #define FMT_64_BIT(fmt, vc)  [fmt] = { 1, 1, 8, vc, CHIP_R600 } | 
 | #define FMT_96_BIT(fmt)      [fmt] = { 1, 1, 12, 0, CHIP_R600 } | 
 | #define FMT_128_BIT(fmt, vc) [fmt] = { 1, 1, 16,vc, CHIP_R600 } | 
 |  | 
 | struct gpu_formats { | 
 | 	unsigned blockwidth; | 
 | 	unsigned blockheight; | 
 | 	unsigned blocksize; | 
 | 	unsigned valid_color; | 
 | 	enum radeon_family min_family; | 
 | }; | 
 |  | 
 | static const struct gpu_formats color_formats_table[] = { | 
 | 	/* 8 bit */ | 
 | 	FMT_8_BIT(V_038004_COLOR_8, 1), | 
 | 	FMT_8_BIT(V_038004_COLOR_4_4, 1), | 
 | 	FMT_8_BIT(V_038004_COLOR_3_3_2, 1), | 
 | 	FMT_8_BIT(V_038004_FMT_1, 0), | 
 |  | 
 | 	/* 16-bit */ | 
 | 	FMT_16_BIT(V_038004_COLOR_16, 1), | 
 | 	FMT_16_BIT(V_038004_COLOR_16_FLOAT, 1), | 
 | 	FMT_16_BIT(V_038004_COLOR_8_8, 1), | 
 | 	FMT_16_BIT(V_038004_COLOR_5_6_5, 1), | 
 | 	FMT_16_BIT(V_038004_COLOR_6_5_5, 1), | 
 | 	FMT_16_BIT(V_038004_COLOR_1_5_5_5, 1), | 
 | 	FMT_16_BIT(V_038004_COLOR_4_4_4_4, 1), | 
 | 	FMT_16_BIT(V_038004_COLOR_5_5_5_1, 1), | 
 |  | 
 | 	/* 24-bit */ | 
 | 	FMT_24_BIT(V_038004_FMT_8_8_8), | 
 |  | 
 | 	/* 32-bit */ | 
 | 	FMT_32_BIT(V_038004_COLOR_32, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_32_FLOAT, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_16_16, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_16_16_FLOAT, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_8_24, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_8_24_FLOAT, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_24_8, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_24_8_FLOAT, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_10_11_11, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_10_11_11_FLOAT, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_11_11_10, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_11_11_10_FLOAT, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_2_10_10_10, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_8_8_8_8, 1), | 
 | 	FMT_32_BIT(V_038004_COLOR_10_10_10_2, 1), | 
 | 	FMT_32_BIT(V_038004_FMT_5_9_9_9_SHAREDEXP, 0), | 
 | 	FMT_32_BIT(V_038004_FMT_32_AS_8, 0), | 
 | 	FMT_32_BIT(V_038004_FMT_32_AS_8_8, 0), | 
 |  | 
 | 	/* 48-bit */ | 
 | 	FMT_48_BIT(V_038004_FMT_16_16_16), | 
 | 	FMT_48_BIT(V_038004_FMT_16_16_16_FLOAT), | 
 |  | 
 | 	/* 64-bit */ | 
 | 	FMT_64_BIT(V_038004_COLOR_X24_8_32_FLOAT, 1), | 
 | 	FMT_64_BIT(V_038004_COLOR_32_32, 1), | 
 | 	FMT_64_BIT(V_038004_COLOR_32_32_FLOAT, 1), | 
 | 	FMT_64_BIT(V_038004_COLOR_16_16_16_16, 1), | 
 | 	FMT_64_BIT(V_038004_COLOR_16_16_16_16_FLOAT, 1), | 
 |  | 
 | 	FMT_96_BIT(V_038004_FMT_32_32_32), | 
 | 	FMT_96_BIT(V_038004_FMT_32_32_32_FLOAT), | 
 |  | 
 | 	/* 128-bit */ | 
 | 	FMT_128_BIT(V_038004_COLOR_32_32_32_32, 1), | 
 | 	FMT_128_BIT(V_038004_COLOR_32_32_32_32_FLOAT, 1), | 
 |  | 
 | 	[V_038004_FMT_GB_GR] = { 2, 1, 4, 0 }, | 
 | 	[V_038004_FMT_BG_RG] = { 2, 1, 4, 0 }, | 
 |  | 
 | 	/* block compressed formats */ | 
 | 	[V_038004_FMT_BC1] = { 4, 4, 8, 0 }, | 
 | 	[V_038004_FMT_BC2] = { 4, 4, 16, 0 }, | 
 | 	[V_038004_FMT_BC3] = { 4, 4, 16, 0 }, | 
 | 	[V_038004_FMT_BC4] = { 4, 4, 8, 0 }, | 
 | 	[V_038004_FMT_BC5] = { 4, 4, 16, 0}, | 
 | 	[V_038004_FMT_BC6] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */ | 
 | 	[V_038004_FMT_BC7] = { 4, 4, 16, 0, CHIP_CEDAR}, /* Evergreen-only */ | 
 |  | 
 | 	/* The other Evergreen formats */ | 
 | 	[V_038004_FMT_32_AS_32_32_32_32] = { 1, 1, 4, 0, CHIP_CEDAR}, | 
 | }; | 
 |  | 
 | bool r600_fmt_is_valid_color(u32 format) | 
 | { | 
 | 	if (format >= ARRAY_SIZE(color_formats_table)) | 
 | 		return false; | 
 |  | 
 | 	if (color_formats_table[format].valid_color) | 
 | 		return true; | 
 |  | 
 | 	return false; | 
 | } | 
 |  | 
 | bool r600_fmt_is_valid_texture(u32 format, enum radeon_family family) | 
 | { | 
 | 	if (format >= ARRAY_SIZE(color_formats_table)) | 
 | 		return false; | 
 |  | 
 | 	if (family < color_formats_table[format].min_family) | 
 | 		return false; | 
 |  | 
 | 	if (color_formats_table[format].blockwidth > 0) | 
 | 		return true; | 
 |  | 
 | 	return false; | 
 | } | 
 |  | 
 | int r600_fmt_get_blocksize(u32 format) | 
 | { | 
 | 	if (format >= ARRAY_SIZE(color_formats_table)) | 
 | 		return 0; | 
 |  | 
 | 	return color_formats_table[format].blocksize; | 
 | } | 
 |  | 
 | int r600_fmt_get_nblocksx(u32 format, u32 w) | 
 | { | 
 | 	unsigned bw; | 
 |  | 
 | 	if (format >= ARRAY_SIZE(color_formats_table)) | 
 | 		return 0; | 
 |  | 
 | 	bw = color_formats_table[format].blockwidth; | 
 | 	if (bw == 0) | 
 | 		return 0; | 
 |  | 
 | 	return (w + bw - 1) / bw; | 
 | } | 
 |  | 
 | int r600_fmt_get_nblocksy(u32 format, u32 h) | 
 | { | 
 | 	unsigned bh; | 
 |  | 
 | 	if (format >= ARRAY_SIZE(color_formats_table)) | 
 | 		return 0; | 
 |  | 
 | 	bh = color_formats_table[format].blockheight; | 
 | 	if (bh == 0) | 
 | 		return 0; | 
 |  | 
 | 	return (h + bh - 1) / bh; | 
 | } | 
 |  | 
 | struct array_mode_checker { | 
 | 	int array_mode; | 
 | 	u32 group_size; | 
 | 	u32 nbanks; | 
 | 	u32 npipes; | 
 | 	u32 nsamples; | 
 | 	u32 blocksize; | 
 | }; | 
 |  | 
 | /* returns alignment in pixels for pitch/height/depth and bytes for base */ | 
 | static int r600_get_array_mode_alignment(struct array_mode_checker *values, | 
 | 						u32 *pitch_align, | 
 | 						u32 *height_align, | 
 | 						u32 *depth_align, | 
 | 						u64 *base_align) | 
 | { | 
 | 	u32 tile_width = 8; | 
 | 	u32 tile_height = 8; | 
 | 	u32 macro_tile_width = values->nbanks; | 
 | 	u32 macro_tile_height = values->npipes; | 
 | 	u32 tile_bytes = tile_width * tile_height * values->blocksize * values->nsamples; | 
 | 	u32 macro_tile_bytes = macro_tile_width * macro_tile_height * tile_bytes; | 
 |  | 
 | 	switch (values->array_mode) { | 
 | 	case ARRAY_LINEAR_GENERAL: | 
 | 		/* technically tile_width/_height for pitch/height */ | 
 | 		*pitch_align = 1; /* tile_width */ | 
 | 		*height_align = 1; /* tile_height */ | 
 | 		*depth_align = 1; | 
 | 		*base_align = 1; | 
 | 		break; | 
 | 	case ARRAY_LINEAR_ALIGNED: | 
 | 		*pitch_align = max((u32)64, (u32)(values->group_size / values->blocksize)); | 
 | 		*height_align = 1; | 
 | 		*depth_align = 1; | 
 | 		*base_align = values->group_size; | 
 | 		break; | 
 | 	case ARRAY_1D_TILED_THIN1: | 
 | 		*pitch_align = max((u32)tile_width, | 
 | 				   (u32)(values->group_size / | 
 | 					 (tile_height * values->blocksize * values->nsamples))); | 
 | 		*height_align = tile_height; | 
 | 		*depth_align = 1; | 
 | 		*base_align = values->group_size; | 
 | 		break; | 
 | 	case ARRAY_2D_TILED_THIN1: | 
 | 		*pitch_align = max((u32)macro_tile_width * tile_width, | 
 | 				(u32)((values->group_size * values->nbanks) / | 
 | 				(values->blocksize * values->nsamples * tile_width))); | 
 | 		*height_align = macro_tile_height * tile_height; | 
 | 		*depth_align = 1; | 
 | 		*base_align = max(macro_tile_bytes, | 
 | 				  (*pitch_align) * values->blocksize * (*height_align) * values->nsamples); | 
 | 		break; | 
 | 	default: | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static void r600_cs_track_init(struct r600_cs_track *track) | 
 | { | 
 | 	int i; | 
 |  | 
 | 	/* assume DX9 mode */ | 
 | 	track->sq_config = DX9_CONSTS; | 
 | 	for (i = 0; i < 8; i++) { | 
 | 		track->cb_color_base_last[i] = 0; | 
 | 		track->cb_color_size[i] = 0; | 
 | 		track->cb_color_size_idx[i] = 0; | 
 | 		track->cb_color_info[i] = 0; | 
 | 		track->cb_color_view[i] = 0xFFFFFFFF; | 
 | 		track->cb_color_bo[i] = NULL; | 
 | 		track->cb_color_bo_offset[i] = 0xFFFFFFFF; | 
 | 		track->cb_color_bo_mc[i] = 0xFFFFFFFF; | 
 | 		track->cb_color_frag_bo[i] = NULL; | 
 | 		track->cb_color_frag_offset[i] = 0xFFFFFFFF; | 
 | 		track->cb_color_tile_bo[i] = NULL; | 
 | 		track->cb_color_tile_offset[i] = 0xFFFFFFFF; | 
 | 		track->cb_color_mask[i] = 0xFFFFFFFF; | 
 | 	} | 
 | 	track->is_resolve = false; | 
 | 	track->nsamples = 16; | 
 | 	track->log_nsamples = 4; | 
 | 	track->cb_target_mask = 0xFFFFFFFF; | 
 | 	track->cb_shader_mask = 0xFFFFFFFF; | 
 | 	track->cb_dirty = true; | 
 | 	track->db_bo = NULL; | 
 | 	track->db_bo_mc = 0xFFFFFFFF; | 
 | 	/* assume the biggest format and that htile is enabled */ | 
 | 	track->db_depth_info = 7 | (1 << 25); | 
 | 	track->db_depth_view = 0xFFFFC000; | 
 | 	track->db_depth_size = 0xFFFFFFFF; | 
 | 	track->db_depth_size_idx = 0; | 
 | 	track->db_depth_control = 0xFFFFFFFF; | 
 | 	track->db_dirty = true; | 
 | 	track->htile_bo = NULL; | 
 | 	track->htile_offset = 0xFFFFFFFF; | 
 | 	track->htile_surface = 0; | 
 |  | 
 | 	for (i = 0; i < 4; i++) { | 
 | 		track->vgt_strmout_size[i] = 0; | 
 | 		track->vgt_strmout_bo[i] = NULL; | 
 | 		track->vgt_strmout_bo_offset[i] = 0xFFFFFFFF; | 
 | 		track->vgt_strmout_bo_mc[i] = 0xFFFFFFFF; | 
 | 	} | 
 | 	track->streamout_dirty = true; | 
 | 	track->sx_misc_kill_all_prims = false; | 
 | } | 
 |  | 
 | static int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) | 
 | { | 
 | 	struct r600_cs_track *track = p->track; | 
 | 	u32 slice_tile_max, size, tmp; | 
 | 	u32 height, height_align, pitch, pitch_align, depth_align; | 
 | 	u64 base_offset, base_align; | 
 | 	struct array_mode_checker array_check; | 
 | 	volatile u32 *ib = p->ib.ptr; | 
 | 	unsigned array_mode; | 
 | 	u32 format; | 
 | 	/* When resolve is used, the second colorbuffer has always 1 sample. */ | 
 | 	unsigned nsamples = track->is_resolve && i == 1 ? 1 : track->nsamples; | 
 |  | 
 | 	size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i]; | 
 | 	format = G_0280A0_FORMAT(track->cb_color_info[i]); | 
 | 	if (!r600_fmt_is_valid_color(format)) { | 
 | 		dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n", | 
 | 			 __func__, __LINE__, format, | 
 | 			i, track->cb_color_info[i]); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	/* pitch in pixels */ | 
 | 	pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) * 8; | 
 | 	slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1; | 
 | 	slice_tile_max *= 64; | 
 | 	height = slice_tile_max / pitch; | 
 | 	if (height > 8192) | 
 | 		height = 8192; | 
 | 	array_mode = G_0280A0_ARRAY_MODE(track->cb_color_info[i]); | 
 |  | 
 | 	base_offset = track->cb_color_bo_mc[i] + track->cb_color_bo_offset[i]; | 
 | 	array_check.array_mode = array_mode; | 
 | 	array_check.group_size = track->group_size; | 
 | 	array_check.nbanks = track->nbanks; | 
 | 	array_check.npipes = track->npipes; | 
 | 	array_check.nsamples = nsamples; | 
 | 	array_check.blocksize = r600_fmt_get_blocksize(format); | 
 | 	if (r600_get_array_mode_alignment(&array_check, | 
 | 					  &pitch_align, &height_align, &depth_align, &base_align)) { | 
 | 		dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__, | 
 | 			 G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i, | 
 | 			 track->cb_color_info[i]); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	switch (array_mode) { | 
 | 	case V_0280A0_ARRAY_LINEAR_GENERAL: | 
 | 		break; | 
 | 	case V_0280A0_ARRAY_LINEAR_ALIGNED: | 
 | 		break; | 
 | 	case V_0280A0_ARRAY_1D_TILED_THIN1: | 
 | 		/* avoid breaking userspace */ | 
 | 		if (height > 7) | 
 | 			height &= ~0x7; | 
 | 		break; | 
 | 	case V_0280A0_ARRAY_2D_TILED_THIN1: | 
 | 		break; | 
 | 	default: | 
 | 		dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__, | 
 | 			G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i, | 
 | 			track->cb_color_info[i]); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	if (!IS_ALIGNED(pitch, pitch_align)) { | 
 | 		dev_warn(p->dev, "%s:%d cb pitch (%d, 0x%x, %d) invalid\n", | 
 | 			 __func__, __LINE__, pitch, pitch_align, array_mode); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	if (!IS_ALIGNED(height, height_align)) { | 
 | 		dev_warn(p->dev, "%s:%d cb height (%d, 0x%x, %d) invalid\n", | 
 | 			 __func__, __LINE__, height, height_align, array_mode); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	if (!IS_ALIGNED(base_offset, base_align)) { | 
 | 		dev_warn(p->dev, "%s offset[%d] 0x%llx 0x%llx, %d not aligned\n", __func__, i, | 
 | 			 base_offset, base_align, array_mode); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	/* check offset */ | 
 | 	tmp = r600_fmt_get_nblocksy(format, height) * r600_fmt_get_nblocksx(format, pitch) * | 
 | 	      r600_fmt_get_blocksize(format) * nsamples; | 
 | 	switch (array_mode) { | 
 | 	default: | 
 | 	case V_0280A0_ARRAY_LINEAR_GENERAL: | 
 | 	case V_0280A0_ARRAY_LINEAR_ALIGNED: | 
 | 		tmp += track->cb_color_view[i] & 0xFF; | 
 | 		break; | 
 | 	case V_0280A0_ARRAY_1D_TILED_THIN1: | 
 | 	case V_0280A0_ARRAY_2D_TILED_THIN1: | 
 | 		tmp += G_028080_SLICE_MAX(track->cb_color_view[i]) * tmp; | 
 | 		break; | 
 | 	} | 
 | 	if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) { | 
 | 		if (array_mode == V_0280A0_ARRAY_LINEAR_GENERAL) { | 
 | 			/* the initial DDX does bad things with the CB size occasionally */ | 
 | 			/* it rounds up height too far for slice tile max but the BO is smaller */ | 
 | 			/* r600c,g also seem to flush at bad times in some apps resulting in | 
 | 			 * bogus values here. So for linear just allow anything to avoid breaking | 
 | 			 * broken userspace. | 
 | 			 */ | 
 | 		} else { | 
 | 			dev_warn(p->dev, "%s offset[%d] %d %llu %d %lu too big (%d %d) (%d %d %d)\n", | 
 | 				 __func__, i, array_mode, | 
 | 				 track->cb_color_bo_offset[i], tmp, | 
 | 				 radeon_bo_size(track->cb_color_bo[i]), | 
 | 				 pitch, height, r600_fmt_get_nblocksx(format, pitch), | 
 | 				 r600_fmt_get_nblocksy(format, height), | 
 | 				 r600_fmt_get_blocksize(format)); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 	} | 
 | 	/* limit max tile */ | 
 | 	tmp = (height * pitch) >> 6; | 
 | 	if (tmp < slice_tile_max) | 
 | 		slice_tile_max = tmp; | 
 | 	tmp = S_028060_PITCH_TILE_MAX((pitch / 8) - 1) | | 
 | 		S_028060_SLICE_TILE_MAX(slice_tile_max - 1); | 
 | 	ib[track->cb_color_size_idx[i]] = tmp; | 
 |  | 
 | 	/* FMASK/CMASK */ | 
 | 	switch (G_0280A0_TILE_MODE(track->cb_color_info[i])) { | 
 | 	case V_0280A0_TILE_DISABLE: | 
 | 		break; | 
 | 	case V_0280A0_FRAG_ENABLE: | 
 | 		if (track->nsamples > 1) { | 
 | 			uint32_t tile_max = G_028100_FMASK_TILE_MAX(track->cb_color_mask[i]); | 
 | 			/* the tile size is 8x8, but the size is in units of bits. | 
 | 			 * for bytes, do just * 8. */ | 
 | 			uint32_t bytes = track->nsamples * track->log_nsamples * 8 * (tile_max + 1); | 
 |  | 
 | 			if (bytes + track->cb_color_frag_offset[i] > | 
 | 			    radeon_bo_size(track->cb_color_frag_bo[i])) { | 
 | 				dev_warn(p->dev, "%s FMASK_TILE_MAX too large " | 
 | 					 "(tile_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n", | 
 | 					 __func__, tile_max, bytes, | 
 | 					 track->cb_color_frag_offset[i], | 
 | 					 radeon_bo_size(track->cb_color_frag_bo[i])); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 		} | 
 | 		/* fall through */ | 
 | 	case V_0280A0_CLEAR_ENABLE: | 
 | 	{ | 
 | 		uint32_t block_max = G_028100_CMASK_BLOCK_MAX(track->cb_color_mask[i]); | 
 | 		/* One block = 128x128 pixels, one 8x8 tile has 4 bits.. | 
 | 		 * (128*128) / (8*8) / 2 = 128 bytes per block. */ | 
 | 		uint32_t bytes = (block_max + 1) * 128; | 
 |  | 
 | 		if (bytes + track->cb_color_tile_offset[i] > | 
 | 		    radeon_bo_size(track->cb_color_tile_bo[i])) { | 
 | 			dev_warn(p->dev, "%s CMASK_BLOCK_MAX too large " | 
 | 				 "(block_max=%u, bytes=%u, offset=%llu, bo_size=%lu)\n", | 
 | 				 __func__, block_max, bytes, | 
 | 				 track->cb_color_tile_offset[i], | 
 | 				 radeon_bo_size(track->cb_color_tile_bo[i])); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		break; | 
 | 	} | 
 | 	default: | 
 | 		dev_warn(p->dev, "%s invalid tile mode\n", __func__); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int r600_cs_track_validate_db(struct radeon_cs_parser *p) | 
 | { | 
 | 	struct r600_cs_track *track = p->track; | 
 | 	u32 nviews, bpe, ntiles, size, slice_tile_max, tmp; | 
 | 	u32 height_align, pitch_align, depth_align; | 
 | 	u32 pitch = 8192; | 
 | 	u32 height = 8192; | 
 | 	u64 base_offset, base_align; | 
 | 	struct array_mode_checker array_check; | 
 | 	int array_mode; | 
 | 	volatile u32 *ib = p->ib.ptr; | 
 |  | 
 |  | 
 | 	if (track->db_bo == NULL) { | 
 | 		dev_warn(p->dev, "z/stencil with no depth buffer\n"); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	switch (G_028010_FORMAT(track->db_depth_info)) { | 
 | 	case V_028010_DEPTH_16: | 
 | 		bpe = 2; | 
 | 		break; | 
 | 	case V_028010_DEPTH_X8_24: | 
 | 	case V_028010_DEPTH_8_24: | 
 | 	case V_028010_DEPTH_X8_24_FLOAT: | 
 | 	case V_028010_DEPTH_8_24_FLOAT: | 
 | 	case V_028010_DEPTH_32_FLOAT: | 
 | 		bpe = 4; | 
 | 		break; | 
 | 	case V_028010_DEPTH_X24_8_32_FLOAT: | 
 | 		bpe = 8; | 
 | 		break; | 
 | 	default: | 
 | 		dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info)); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) { | 
 | 		if (!track->db_depth_size_idx) { | 
 | 			dev_warn(p->dev, "z/stencil buffer size not set\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		tmp = radeon_bo_size(track->db_bo) - track->db_offset; | 
 | 		tmp = (tmp / bpe) >> 6; | 
 | 		if (!tmp) { | 
 | 			dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n", | 
 | 					track->db_depth_size, bpe, track->db_offset, | 
 | 					radeon_bo_size(track->db_bo)); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF); | 
 | 	} else { | 
 | 		size = radeon_bo_size(track->db_bo); | 
 | 		/* pitch in pixels */ | 
 | 		pitch = (G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1) * 8; | 
 | 		slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1; | 
 | 		slice_tile_max *= 64; | 
 | 		height = slice_tile_max / pitch; | 
 | 		if (height > 8192) | 
 | 			height = 8192; | 
 | 		base_offset = track->db_bo_mc + track->db_offset; | 
 | 		array_mode = G_028010_ARRAY_MODE(track->db_depth_info); | 
 | 		array_check.array_mode = array_mode; | 
 | 		array_check.group_size = track->group_size; | 
 | 		array_check.nbanks = track->nbanks; | 
 | 		array_check.npipes = track->npipes; | 
 | 		array_check.nsamples = track->nsamples; | 
 | 		array_check.blocksize = bpe; | 
 | 		if (r600_get_array_mode_alignment(&array_check, | 
 | 					&pitch_align, &height_align, &depth_align, &base_align)) { | 
 | 			dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__, | 
 | 					G_028010_ARRAY_MODE(track->db_depth_info), | 
 | 					track->db_depth_info); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		switch (array_mode) { | 
 | 		case V_028010_ARRAY_1D_TILED_THIN1: | 
 | 			/* don't break userspace */ | 
 | 			height &= ~0x7; | 
 | 			break; | 
 | 		case V_028010_ARRAY_2D_TILED_THIN1: | 
 | 			break; | 
 | 		default: | 
 | 			dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__, | 
 | 					G_028010_ARRAY_MODE(track->db_depth_info), | 
 | 					track->db_depth_info); | 
 | 			return -EINVAL; | 
 | 		} | 
 |  | 
 | 		if (!IS_ALIGNED(pitch, pitch_align)) { | 
 | 			dev_warn(p->dev, "%s:%d db pitch (%d, 0x%x, %d) invalid\n", | 
 | 					__func__, __LINE__, pitch, pitch_align, array_mode); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		if (!IS_ALIGNED(height, height_align)) { | 
 | 			dev_warn(p->dev, "%s:%d db height (%d, 0x%x, %d) invalid\n", | 
 | 					__func__, __LINE__, height, height_align, array_mode); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		if (!IS_ALIGNED(base_offset, base_align)) { | 
 | 			dev_warn(p->dev, "%s offset 0x%llx, 0x%llx, %d not aligned\n", __func__, | 
 | 					base_offset, base_align, array_mode); | 
 | 			return -EINVAL; | 
 | 		} | 
 |  | 
 | 		ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1; | 
 | 		nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1; | 
 | 		tmp = ntiles * bpe * 64 * nviews * track->nsamples; | 
 | 		if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) { | 
 | 			dev_warn(p->dev, "z/stencil buffer (%d) too small (0x%08X %d %d %d -> %u have %lu)\n", | 
 | 					array_mode, | 
 | 					track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset, | 
 | 					radeon_bo_size(track->db_bo)); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	/* hyperz */ | 
 | 	if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) { | 
 | 		unsigned long size; | 
 | 		unsigned nbx, nby; | 
 |  | 
 | 		if (track->htile_bo == NULL) { | 
 | 			dev_warn(p->dev, "%s:%d htile enabled without htile surface 0x%08x\n", | 
 | 				 __func__, __LINE__, track->db_depth_info); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) { | 
 | 			dev_warn(p->dev, "%s:%d htile can't be enabled with bogus db_depth_size 0x%08x\n", | 
 | 				 __func__, __LINE__, track->db_depth_size); | 
 | 			return -EINVAL; | 
 | 		} | 
 |  | 
 | 		nbx = pitch; | 
 | 		nby = height; | 
 | 		if (G_028D24_LINEAR(track->htile_surface)) { | 
 | 			/* nbx must be 16 htiles aligned == 16 * 8 pixel aligned */ | 
 | 			nbx = round_up(nbx, 16 * 8); | 
 | 			/* nby is npipes htiles aligned == npipes * 8 pixel aligned */ | 
 | 			nby = round_up(nby, track->npipes * 8); | 
 | 		} else { | 
 | 			/* htile widht & nby (8 or 4) make 2 bits number */ | 
 | 			tmp = track->htile_surface & 3; | 
 | 			/* align is htile align * 8, htile align vary according to | 
 | 			 * number of pipe and tile width and nby | 
 | 			 */ | 
 | 			switch (track->npipes) { | 
 | 			case 8: | 
 | 				switch (tmp) { | 
 | 				case 3:	/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/ | 
 | 					nbx = round_up(nbx, 64 * 8); | 
 | 					nby = round_up(nby, 64 * 8); | 
 | 					break; | 
 | 				case 2:	/* HTILE_WIDTH = 4 & HTILE_HEIGHT = 8*/ | 
 | 				case 1:	/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 4*/ | 
 | 					nbx = round_up(nbx, 64 * 8); | 
 | 					nby = round_up(nby, 32 * 8); | 
 | 					break; | 
 | 				case 0:	/* HTILE_WIDTH = 4 & HTILE_HEIGHT = 4*/ | 
 | 					nbx = round_up(nbx, 32 * 8); | 
 | 					nby = round_up(nby, 32 * 8); | 
 | 					break; | 
 | 				default: | 
 | 					return -EINVAL; | 
 | 				} | 
 | 				break; | 
 | 			case 4: | 
 | 				switch (tmp) { | 
 | 				case 3:	/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/ | 
 | 					nbx = round_up(nbx, 64 * 8); | 
 | 					nby = round_up(nby, 32 * 8); | 
 | 					break; | 
 | 				case 2:	/* HTILE_WIDTH = 4 & HTILE_HEIGHT = 8*/ | 
 | 				case 1:	/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 4*/ | 
 | 					nbx = round_up(nbx, 32 * 8); | 
 | 					nby = round_up(nby, 32 * 8); | 
 | 					break; | 
 | 				case 0:	/* HTILE_WIDTH = 4 & HTILE_HEIGHT = 4*/ | 
 | 					nbx = round_up(nbx, 32 * 8); | 
 | 					nby = round_up(nby, 16 * 8); | 
 | 					break; | 
 | 				default: | 
 | 					return -EINVAL; | 
 | 				} | 
 | 				break; | 
 | 			case 2: | 
 | 				switch (tmp) { | 
 | 				case 3:	/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/ | 
 | 					nbx = round_up(nbx, 32 * 8); | 
 | 					nby = round_up(nby, 32 * 8); | 
 | 					break; | 
 | 				case 2:	/* HTILE_WIDTH = 4 & HTILE_HEIGHT = 8*/ | 
 | 				case 1:	/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 4*/ | 
 | 					nbx = round_up(nbx, 32 * 8); | 
 | 					nby = round_up(nby, 16 * 8); | 
 | 					break; | 
 | 				case 0:	/* HTILE_WIDTH = 4 & HTILE_HEIGHT = 4*/ | 
 | 					nbx = round_up(nbx, 16 * 8); | 
 | 					nby = round_up(nby, 16 * 8); | 
 | 					break; | 
 | 				default: | 
 | 					return -EINVAL; | 
 | 				} | 
 | 				break; | 
 | 			case 1: | 
 | 				switch (tmp) { | 
 | 				case 3:	/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 8*/ | 
 | 					nbx = round_up(nbx, 32 * 8); | 
 | 					nby = round_up(nby, 16 * 8); | 
 | 					break; | 
 | 				case 2:	/* HTILE_WIDTH = 4 & HTILE_HEIGHT = 8*/ | 
 | 				case 1:	/* HTILE_WIDTH = 8 & HTILE_HEIGHT = 4*/ | 
 | 					nbx = round_up(nbx, 16 * 8); | 
 | 					nby = round_up(nby, 16 * 8); | 
 | 					break; | 
 | 				case 0:	/* HTILE_WIDTH = 4 & HTILE_HEIGHT = 4*/ | 
 | 					nbx = round_up(nbx, 16 * 8); | 
 | 					nby = round_up(nby, 8 * 8); | 
 | 					break; | 
 | 				default: | 
 | 					return -EINVAL; | 
 | 				} | 
 | 				break; | 
 | 			default: | 
 | 				dev_warn(p->dev, "%s:%d invalid num pipes %d\n", | 
 | 					 __func__, __LINE__, track->npipes); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 		} | 
 | 		/* compute number of htile */ | 
 | 		nbx = G_028D24_HTILE_WIDTH(track->htile_surface) ? nbx / 8 : nbx / 4; | 
 | 		nby = G_028D24_HTILE_HEIGHT(track->htile_surface) ? nby / 8 : nby / 4; | 
 | 		size = nbx * nby * 4; | 
 | 		size += track->htile_offset; | 
 |  | 
 | 		if (size > radeon_bo_size(track->htile_bo)) { | 
 | 			dev_warn(p->dev, "%s:%d htile surface too small %ld for %ld (%d %d)\n", | 
 | 				 __func__, __LINE__, radeon_bo_size(track->htile_bo), | 
 | 				 size, nbx, nby); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	track->db_dirty = false; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int r600_cs_track_check(struct radeon_cs_parser *p) | 
 | { | 
 | 	struct r600_cs_track *track = p->track; | 
 | 	u32 tmp; | 
 | 	int r, i; | 
 |  | 
 | 	/* on legacy kernel we don't perform advanced check */ | 
 | 	if (p->rdev == NULL) | 
 | 		return 0; | 
 |  | 
 | 	/* check streamout */ | 
 | 	if (track->streamout_dirty && track->vgt_strmout_en) { | 
 | 		for (i = 0; i < 4; i++) { | 
 | 			if (track->vgt_strmout_buffer_en & (1 << i)) { | 
 | 				if (track->vgt_strmout_bo[i]) { | 
 | 					u64 offset = (u64)track->vgt_strmout_bo_offset[i] + | 
 | 						(u64)track->vgt_strmout_size[i]; | 
 | 					if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) { | 
 | 						DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n", | 
 | 							  i, offset, | 
 | 							  radeon_bo_size(track->vgt_strmout_bo[i])); | 
 | 						return -EINVAL; | 
 | 					} | 
 | 				} else { | 
 | 					dev_warn(p->dev, "No buffer for streamout %d\n", i); | 
 | 					return -EINVAL; | 
 | 				} | 
 | 			} | 
 | 		} | 
 | 		track->streamout_dirty = false; | 
 | 	} | 
 |  | 
 | 	if (track->sx_misc_kill_all_prims) | 
 | 		return 0; | 
 |  | 
 | 	/* check that we have a cb for each enabled target, we don't check | 
 | 	 * shader_mask because it seems mesa isn't always setting it :( | 
 | 	 */ | 
 | 	if (track->cb_dirty) { | 
 | 		tmp = track->cb_target_mask; | 
 |  | 
 | 		/* We must check both colorbuffers for RESOLVE. */ | 
 | 		if (track->is_resolve) { | 
 | 			tmp |= 0xff; | 
 | 		} | 
 |  | 
 | 		for (i = 0; i < 8; i++) { | 
 | 			if ((tmp >> (i * 4)) & 0xF) { | 
 | 				/* at least one component is enabled */ | 
 | 				if (track->cb_color_bo[i] == NULL) { | 
 | 					dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n", | 
 | 						__func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i); | 
 | 					return -EINVAL; | 
 | 				} | 
 | 				/* perform rewrite of CB_COLOR[0-7]_SIZE */ | 
 | 				r = r600_cs_track_validate_cb(p, i); | 
 | 				if (r) | 
 | 					return r; | 
 | 			} | 
 | 		} | 
 | 		track->cb_dirty = false; | 
 | 	} | 
 |  | 
 | 	/* Check depth buffer */ | 
 | 	if (track->db_dirty && | 
 | 	    G_028010_FORMAT(track->db_depth_info) != V_028010_DEPTH_INVALID && | 
 | 	    (G_028800_STENCIL_ENABLE(track->db_depth_control) || | 
 | 	     G_028800_Z_ENABLE(track->db_depth_control))) { | 
 | 		r = r600_cs_track_validate_db(p); | 
 | 		if (r) | 
 | 			return r; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /** | 
 |  * r600_cs_packet_parse() - parse cp packet and point ib index to next packet | 
 |  * @parser:	parser structure holding parsing context. | 
 |  * @pkt:	where to store packet informations | 
 |  * | 
 |  * Assume that chunk_ib_index is properly set. Will return -EINVAL | 
 |  * if packet is bigger than remaining ib size. or if packets is unknown. | 
 |  **/ | 
 | int r600_cs_packet_parse(struct radeon_cs_parser *p, | 
 | 			struct radeon_cs_packet *pkt, | 
 | 			unsigned idx) | 
 | { | 
 | 	struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx]; | 
 | 	uint32_t header; | 
 |  | 
 | 	if (idx >= ib_chunk->length_dw) { | 
 | 		DRM_ERROR("Can not parse packet at %d after CS end %d !\n", | 
 | 			  idx, ib_chunk->length_dw); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	header = radeon_get_ib_value(p, idx); | 
 | 	pkt->idx = idx; | 
 | 	pkt->type = CP_PACKET_GET_TYPE(header); | 
 | 	pkt->count = CP_PACKET_GET_COUNT(header); | 
 | 	pkt->one_reg_wr = 0; | 
 | 	switch (pkt->type) { | 
 | 	case PACKET_TYPE0: | 
 | 		pkt->reg = CP_PACKET0_GET_REG(header); | 
 | 		break; | 
 | 	case PACKET_TYPE3: | 
 | 		pkt->opcode = CP_PACKET3_GET_OPCODE(header); | 
 | 		break; | 
 | 	case PACKET_TYPE2: | 
 | 		pkt->count = -1; | 
 | 		break; | 
 | 	default: | 
 | 		DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) { | 
 | 		DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n", | 
 | 			  pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | /** | 
 |  * r600_cs_packet_next_reloc_mm() - parse next packet which should be reloc packet3 | 
 |  * @parser:		parser structure holding parsing context. | 
 |  * @data:		pointer to relocation data | 
 |  * @offset_start:	starting offset | 
 |  * @offset_mask:	offset mask (to align start offset on) | 
 |  * @reloc:		reloc informations | 
 |  * | 
 |  * Check next packet is relocation packet3, do bo validation and compute | 
 |  * GPU offset using the provided start. | 
 |  **/ | 
 | static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p, | 
 | 					struct radeon_cs_reloc **cs_reloc) | 
 | { | 
 | 	struct radeon_cs_chunk *relocs_chunk; | 
 | 	struct radeon_cs_packet p3reloc; | 
 | 	unsigned idx; | 
 | 	int r; | 
 |  | 
 | 	if (p->chunk_relocs_idx == -1) { | 
 | 		DRM_ERROR("No relocation chunk !\n"); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	*cs_reloc = NULL; | 
 | 	relocs_chunk = &p->chunks[p->chunk_relocs_idx]; | 
 | 	r = r600_cs_packet_parse(p, &p3reloc, p->idx); | 
 | 	if (r) { | 
 | 		return r; | 
 | 	} | 
 | 	p->idx += p3reloc.count + 2; | 
 | 	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) { | 
 | 		DRM_ERROR("No packet3 for relocation for packet at %d.\n", | 
 | 			  p3reloc.idx); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	idx = radeon_get_ib_value(p, p3reloc.idx + 1); | 
 | 	if (idx >= relocs_chunk->length_dw) { | 
 | 		DRM_ERROR("Relocs at %d after relocations chunk end %d !\n", | 
 | 			  idx, relocs_chunk->length_dw); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	/* FIXME: we assume reloc size is 4 dwords */ | 
 | 	*cs_reloc = p->relocs_ptr[(idx / 4)]; | 
 | 	return 0; | 
 | } | 
 |  | 
 | /** | 
 |  * r600_cs_packet_next_reloc_nomm() - parse next packet which should be reloc packet3 | 
 |  * @parser:		parser structure holding parsing context. | 
 |  * @data:		pointer to relocation data | 
 |  * @offset_start:	starting offset | 
 |  * @offset_mask:	offset mask (to align start offset on) | 
 |  * @reloc:		reloc informations | 
 |  * | 
 |  * Check next packet is relocation packet3, do bo validation and compute | 
 |  * GPU offset using the provided start. | 
 |  **/ | 
 | static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p, | 
 | 					struct radeon_cs_reloc **cs_reloc) | 
 | { | 
 | 	struct radeon_cs_chunk *relocs_chunk; | 
 | 	struct radeon_cs_packet p3reloc; | 
 | 	unsigned idx; | 
 | 	int r; | 
 |  | 
 | 	if (p->chunk_relocs_idx == -1) { | 
 | 		DRM_ERROR("No relocation chunk !\n"); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	*cs_reloc = NULL; | 
 | 	relocs_chunk = &p->chunks[p->chunk_relocs_idx]; | 
 | 	r = r600_cs_packet_parse(p, &p3reloc, p->idx); | 
 | 	if (r) { | 
 | 		return r; | 
 | 	} | 
 | 	p->idx += p3reloc.count + 2; | 
 | 	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) { | 
 | 		DRM_ERROR("No packet3 for relocation for packet at %d.\n", | 
 | 			  p3reloc.idx); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	idx = radeon_get_ib_value(p, p3reloc.idx + 1); | 
 | 	if (idx >= relocs_chunk->length_dw) { | 
 | 		DRM_ERROR("Relocs at %d after relocations chunk end %d !\n", | 
 | 			  idx, relocs_chunk->length_dw); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	*cs_reloc = p->relocs; | 
 | 	(*cs_reloc)->lobj.gpu_offset = (u64)relocs_chunk->kdata[idx + 3] << 32; | 
 | 	(*cs_reloc)->lobj.gpu_offset |= relocs_chunk->kdata[idx + 0]; | 
 | 	return 0; | 
 | } | 
 |  | 
 | /** | 
 |  * r600_cs_packet_next_is_pkt3_nop() - test if next packet is packet3 nop for reloc | 
 |  * @parser:		parser structure holding parsing context. | 
 |  * | 
 |  * Check next packet is relocation packet3, do bo validation and compute | 
 |  * GPU offset using the provided start. | 
 |  **/ | 
 | static int r600_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p) | 
 | { | 
 | 	struct radeon_cs_packet p3reloc; | 
 | 	int r; | 
 |  | 
 | 	r = r600_cs_packet_parse(p, &p3reloc, p->idx); | 
 | 	if (r) { | 
 | 		return 0; | 
 | 	} | 
 | 	if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) { | 
 | 		return 0; | 
 | 	} | 
 | 	return 1; | 
 | } | 
 |  | 
 | /** | 
 |  * r600_cs_packet_next_vline() - parse userspace VLINE packet | 
 |  * @parser:		parser structure holding parsing context. | 
 |  * | 
 |  * Userspace sends a special sequence for VLINE waits. | 
 |  * PACKET0 - VLINE_START_END + value | 
 |  * PACKET3 - WAIT_REG_MEM poll vline status reg | 
 |  * RELOC (P3) - crtc_id in reloc. | 
 |  * | 
 |  * This function parses this and relocates the VLINE START END | 
 |  * and WAIT_REG_MEM packets to the correct crtc. | 
 |  * It also detects a switched off crtc and nulls out the | 
 |  * wait in that case. | 
 |  */ | 
 | static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p) | 
 | { | 
 | 	struct drm_mode_object *obj; | 
 | 	struct drm_crtc *crtc; | 
 | 	struct radeon_crtc *radeon_crtc; | 
 | 	struct radeon_cs_packet p3reloc, wait_reg_mem; | 
 | 	int crtc_id; | 
 | 	int r; | 
 | 	uint32_t header, h_idx, reg, wait_reg_mem_info; | 
 | 	volatile uint32_t *ib; | 
 |  | 
 | 	ib = p->ib.ptr; | 
 |  | 
 | 	/* parse the WAIT_REG_MEM */ | 
 | 	r = r600_cs_packet_parse(p, &wait_reg_mem, p->idx); | 
 | 	if (r) | 
 | 		return r; | 
 |  | 
 | 	/* check its a WAIT_REG_MEM */ | 
 | 	if (wait_reg_mem.type != PACKET_TYPE3 || | 
 | 	    wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) { | 
 | 		DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n"); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1); | 
 | 	/* bit 4 is reg (0) or mem (1) */ | 
 | 	if (wait_reg_mem_info & 0x10) { | 
 | 		DRM_ERROR("vline WAIT_REG_MEM waiting on MEM rather than REG\n"); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	/* waiting for value to be equal */ | 
 | 	if ((wait_reg_mem_info & 0x7) != 0x3) { | 
 | 		DRM_ERROR("vline WAIT_REG_MEM function not equal\n"); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != AVIVO_D1MODE_VLINE_STATUS) { | 
 | 		DRM_ERROR("vline WAIT_REG_MEM bad reg\n"); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != AVIVO_D1MODE_VLINE_STAT) { | 
 | 		DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n"); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	/* jump over the NOP */ | 
 | 	r = r600_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2); | 
 | 	if (r) | 
 | 		return r; | 
 |  | 
 | 	h_idx = p->idx - 2; | 
 | 	p->idx += wait_reg_mem.count + 2; | 
 | 	p->idx += p3reloc.count + 2; | 
 |  | 
 | 	header = radeon_get_ib_value(p, h_idx); | 
 | 	crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1); | 
 | 	reg = CP_PACKET0_GET_REG(header); | 
 |  | 
 | 	obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC); | 
 | 	if (!obj) { | 
 | 		DRM_ERROR("cannot find crtc %d\n", crtc_id); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	crtc = obj_to_crtc(obj); | 
 | 	radeon_crtc = to_radeon_crtc(crtc); | 
 | 	crtc_id = radeon_crtc->crtc_id; | 
 |  | 
 | 	if (!crtc->enabled) { | 
 | 		/* if the CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */ | 
 | 		ib[h_idx + 2] = PACKET2(0); | 
 | 		ib[h_idx + 3] = PACKET2(0); | 
 | 		ib[h_idx + 4] = PACKET2(0); | 
 | 		ib[h_idx + 5] = PACKET2(0); | 
 | 		ib[h_idx + 6] = PACKET2(0); | 
 | 		ib[h_idx + 7] = PACKET2(0); | 
 | 		ib[h_idx + 8] = PACKET2(0); | 
 | 	} else if (crtc_id == 1) { | 
 | 		switch (reg) { | 
 | 		case AVIVO_D1MODE_VLINE_START_END: | 
 | 			header &= ~R600_CP_PACKET0_REG_MASK; | 
 | 			header |= AVIVO_D2MODE_VLINE_START_END >> 2; | 
 | 			break; | 
 | 		default: | 
 | 			DRM_ERROR("unknown crtc reloc\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		ib[h_idx] = header; | 
 | 		ib[h_idx + 4] = AVIVO_D2MODE_VLINE_STATUS >> 2; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int r600_packet0_check(struct radeon_cs_parser *p, | 
 | 				struct radeon_cs_packet *pkt, | 
 | 				unsigned idx, unsigned reg) | 
 | { | 
 | 	int r; | 
 |  | 
 | 	switch (reg) { | 
 | 	case AVIVO_D1MODE_VLINE_START_END: | 
 | 		r = r600_cs_packet_parse_vline(p); | 
 | 		if (r) { | 
 | 			DRM_ERROR("No reloc for ib[%d]=0x%04X\n", | 
 | 					idx, reg); | 
 | 			return r; | 
 | 		} | 
 | 		break; | 
 | 	default: | 
 | 		printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n", | 
 | 		       reg, idx); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int r600_cs_parse_packet0(struct radeon_cs_parser *p, | 
 | 				struct radeon_cs_packet *pkt) | 
 | { | 
 | 	unsigned reg, i; | 
 | 	unsigned idx; | 
 | 	int r; | 
 |  | 
 | 	idx = pkt->idx + 1; | 
 | 	reg = pkt->reg; | 
 | 	for (i = 0; i <= pkt->count; i++, idx++, reg += 4) { | 
 | 		r = r600_packet0_check(p, pkt, idx, reg); | 
 | 		if (r) { | 
 | 			return r; | 
 | 		} | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | /** | 
 |  * r600_cs_check_reg() - check if register is authorized or not | 
 |  * @parser: parser structure holding parsing context | 
 |  * @reg: register we are testing | 
 |  * @idx: index into the cs buffer | 
 |  * | 
 |  * This function will test against r600_reg_safe_bm and return 0 | 
 |  * if register is safe. If register is not flag as safe this function | 
 |  * will test it against a list of register needind special handling. | 
 |  */ | 
 | static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx) | 
 | { | 
 | 	struct r600_cs_track *track = (struct r600_cs_track *)p->track; | 
 | 	struct radeon_cs_reloc *reloc; | 
 | 	u32 m, i, tmp, *ib; | 
 | 	int r; | 
 |  | 
 | 	i = (reg >> 7); | 
 | 	if (i >= ARRAY_SIZE(r600_reg_safe_bm)) { | 
 | 		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	m = 1 << ((reg >> 2) & 31); | 
 | 	if (!(r600_reg_safe_bm[i] & m)) | 
 | 		return 0; | 
 | 	ib = p->ib.ptr; | 
 | 	switch (reg) { | 
 | 	/* force following reg to 0 in an attempt to disable out buffer | 
 | 	 * which will need us to better understand how it works to perform | 
 | 	 * security check on it (Jerome) | 
 | 	 */ | 
 | 	case R_0288A8_SQ_ESGS_RING_ITEMSIZE: | 
 | 	case R_008C44_SQ_ESGS_RING_SIZE: | 
 | 	case R_0288B0_SQ_ESTMP_RING_ITEMSIZE: | 
 | 	case R_008C54_SQ_ESTMP_RING_SIZE: | 
 | 	case R_0288C0_SQ_FBUF_RING_ITEMSIZE: | 
 | 	case R_008C74_SQ_FBUF_RING_SIZE: | 
 | 	case R_0288B4_SQ_GSTMP_RING_ITEMSIZE: | 
 | 	case R_008C5C_SQ_GSTMP_RING_SIZE: | 
 | 	case R_0288AC_SQ_GSVS_RING_ITEMSIZE: | 
 | 	case R_008C4C_SQ_GSVS_RING_SIZE: | 
 | 	case R_0288BC_SQ_PSTMP_RING_ITEMSIZE: | 
 | 	case R_008C6C_SQ_PSTMP_RING_SIZE: | 
 | 	case R_0288C4_SQ_REDUC_RING_ITEMSIZE: | 
 | 	case R_008C7C_SQ_REDUC_RING_SIZE: | 
 | 	case R_0288B8_SQ_VSTMP_RING_ITEMSIZE: | 
 | 	case R_008C64_SQ_VSTMP_RING_SIZE: | 
 | 	case R_0288C8_SQ_GS_VERT_ITEMSIZE: | 
 | 		/* get value to populate the IB don't remove */ | 
 | 		tmp =radeon_get_ib_value(p, idx); | 
 | 		ib[idx] = 0; | 
 | 		break; | 
 | 	case SQ_CONFIG: | 
 | 		track->sq_config = radeon_get_ib_value(p, idx); | 
 | 		break; | 
 | 	case R_028800_DB_DEPTH_CONTROL: | 
 | 		track->db_depth_control = radeon_get_ib_value(p, idx); | 
 | 		track->db_dirty = true; | 
 | 		break; | 
 | 	case R_028010_DB_DEPTH_INFO: | 
 | 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) && | 
 | 		    r600_cs_packet_next_is_pkt3_nop(p)) { | 
 | 			r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 			if (r) { | 
 | 				dev_warn(p->dev, "bad SET_CONTEXT_REG " | 
 | 					 "0x%04X\n", reg); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			track->db_depth_info = radeon_get_ib_value(p, idx); | 
 | 			ib[idx] &= C_028010_ARRAY_MODE; | 
 | 			track->db_depth_info &= C_028010_ARRAY_MODE; | 
 | 			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) { | 
 | 				ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1); | 
 | 				track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_2D_TILED_THIN1); | 
 | 			} else { | 
 | 				ib[idx] |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1); | 
 | 				track->db_depth_info |= S_028010_ARRAY_MODE(V_028010_ARRAY_1D_TILED_THIN1); | 
 | 			} | 
 | 		} else { | 
 | 			track->db_depth_info = radeon_get_ib_value(p, idx); | 
 | 		} | 
 | 		track->db_dirty = true; | 
 | 		break; | 
 | 	case R_028004_DB_DEPTH_VIEW: | 
 | 		track->db_depth_view = radeon_get_ib_value(p, idx); | 
 | 		track->db_dirty = true; | 
 | 		break; | 
 | 	case R_028000_DB_DEPTH_SIZE: | 
 | 		track->db_depth_size = radeon_get_ib_value(p, idx); | 
 | 		track->db_depth_size_idx = idx; | 
 | 		track->db_dirty = true; | 
 | 		break; | 
 | 	case R_028AB0_VGT_STRMOUT_EN: | 
 | 		track->vgt_strmout_en = radeon_get_ib_value(p, idx); | 
 | 		track->streamout_dirty = true; | 
 | 		break; | 
 | 	case R_028B20_VGT_STRMOUT_BUFFER_EN: | 
 | 		track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx); | 
 | 		track->streamout_dirty = true; | 
 | 		break; | 
 | 	case VGT_STRMOUT_BUFFER_BASE_0: | 
 | 	case VGT_STRMOUT_BUFFER_BASE_1: | 
 | 	case VGT_STRMOUT_BUFFER_BASE_2: | 
 | 	case VGT_STRMOUT_BUFFER_BASE_3: | 
 | 		r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 		if (r) { | 
 | 			dev_warn(p->dev, "bad SET_CONTEXT_REG " | 
 | 					"0x%04X\n", reg); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		tmp = (reg - VGT_STRMOUT_BUFFER_BASE_0) / 16; | 
 | 		track->vgt_strmout_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8; | 
 | 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 		track->vgt_strmout_bo[tmp] = reloc->robj; | 
 | 		track->vgt_strmout_bo_mc[tmp] = reloc->lobj.gpu_offset; | 
 | 		track->streamout_dirty = true; | 
 | 		break; | 
 | 	case VGT_STRMOUT_BUFFER_SIZE_0: | 
 | 	case VGT_STRMOUT_BUFFER_SIZE_1: | 
 | 	case VGT_STRMOUT_BUFFER_SIZE_2: | 
 | 	case VGT_STRMOUT_BUFFER_SIZE_3: | 
 | 		tmp = (reg - VGT_STRMOUT_BUFFER_SIZE_0) / 16; | 
 | 		/* size in register is DWs, convert to bytes */ | 
 | 		track->vgt_strmout_size[tmp] = radeon_get_ib_value(p, idx) * 4; | 
 | 		track->streamout_dirty = true; | 
 | 		break; | 
 | 	case CP_COHER_BASE: | 
 | 		r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 		if (r) { | 
 | 			dev_warn(p->dev, "missing reloc for CP_COHER_BASE " | 
 | 					"0x%04X\n", reg); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 		break; | 
 | 	case R_028238_CB_TARGET_MASK: | 
 | 		track->cb_target_mask = radeon_get_ib_value(p, idx); | 
 | 		track->cb_dirty = true; | 
 | 		break; | 
 | 	case R_02823C_CB_SHADER_MASK: | 
 | 		track->cb_shader_mask = radeon_get_ib_value(p, idx); | 
 | 		break; | 
 | 	case R_028C04_PA_SC_AA_CONFIG: | 
 | 		tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx)); | 
 | 		track->log_nsamples = tmp; | 
 | 		track->nsamples = 1 << tmp; | 
 | 		track->cb_dirty = true; | 
 | 		break; | 
 | 	case R_028808_CB_COLOR_CONTROL: | 
 | 		tmp = G_028808_SPECIAL_OP(radeon_get_ib_value(p, idx)); | 
 | 		track->is_resolve = tmp == V_028808_SPECIAL_RESOLVE_BOX; | 
 | 		track->cb_dirty = true; | 
 | 		break; | 
 | 	case R_0280A0_CB_COLOR0_INFO: | 
 | 	case R_0280A4_CB_COLOR1_INFO: | 
 | 	case R_0280A8_CB_COLOR2_INFO: | 
 | 	case R_0280AC_CB_COLOR3_INFO: | 
 | 	case R_0280B0_CB_COLOR4_INFO: | 
 | 	case R_0280B4_CB_COLOR5_INFO: | 
 | 	case R_0280B8_CB_COLOR6_INFO: | 
 | 	case R_0280BC_CB_COLOR7_INFO: | 
 | 		if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS) && | 
 | 		     r600_cs_packet_next_is_pkt3_nop(p)) { | 
 | 			r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 			if (r) { | 
 | 				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4; | 
 | 			track->cb_color_info[tmp] = radeon_get_ib_value(p, idx); | 
 | 			if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) { | 
 | 				ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1); | 
 | 				track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_2D_TILED_THIN1); | 
 | 			} else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) { | 
 | 				ib[idx] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1); | 
 | 				track->cb_color_info[tmp] |= S_0280A0_ARRAY_MODE(V_0280A0_ARRAY_1D_TILED_THIN1); | 
 | 			} | 
 | 		} else { | 
 | 			tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4; | 
 | 			track->cb_color_info[tmp] = radeon_get_ib_value(p, idx); | 
 | 		} | 
 | 		track->cb_dirty = true; | 
 | 		break; | 
 | 	case R_028080_CB_COLOR0_VIEW: | 
 | 	case R_028084_CB_COLOR1_VIEW: | 
 | 	case R_028088_CB_COLOR2_VIEW: | 
 | 	case R_02808C_CB_COLOR3_VIEW: | 
 | 	case R_028090_CB_COLOR4_VIEW: | 
 | 	case R_028094_CB_COLOR5_VIEW: | 
 | 	case R_028098_CB_COLOR6_VIEW: | 
 | 	case R_02809C_CB_COLOR7_VIEW: | 
 | 		tmp = (reg - R_028080_CB_COLOR0_VIEW) / 4; | 
 | 		track->cb_color_view[tmp] = radeon_get_ib_value(p, idx); | 
 | 		track->cb_dirty = true; | 
 | 		break; | 
 | 	case R_028060_CB_COLOR0_SIZE: | 
 | 	case R_028064_CB_COLOR1_SIZE: | 
 | 	case R_028068_CB_COLOR2_SIZE: | 
 | 	case R_02806C_CB_COLOR3_SIZE: | 
 | 	case R_028070_CB_COLOR4_SIZE: | 
 | 	case R_028074_CB_COLOR5_SIZE: | 
 | 	case R_028078_CB_COLOR6_SIZE: | 
 | 	case R_02807C_CB_COLOR7_SIZE: | 
 | 		tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4; | 
 | 		track->cb_color_size[tmp] = radeon_get_ib_value(p, idx); | 
 | 		track->cb_color_size_idx[tmp] = idx; | 
 | 		track->cb_dirty = true; | 
 | 		break; | 
 | 		/* This register were added late, there is userspace | 
 | 		 * which does provide relocation for those but set | 
 | 		 * 0 offset. In order to avoid breaking old userspace | 
 | 		 * we detect this and set address to point to last | 
 | 		 * CB_COLOR0_BASE, note that if userspace doesn't set | 
 | 		 * CB_COLOR0_BASE before this register we will report | 
 | 		 * error. Old userspace always set CB_COLOR0_BASE | 
 | 		 * before any of this. | 
 | 		 */ | 
 | 	case R_0280E0_CB_COLOR0_FRAG: | 
 | 	case R_0280E4_CB_COLOR1_FRAG: | 
 | 	case R_0280E8_CB_COLOR2_FRAG: | 
 | 	case R_0280EC_CB_COLOR3_FRAG: | 
 | 	case R_0280F0_CB_COLOR4_FRAG: | 
 | 	case R_0280F4_CB_COLOR5_FRAG: | 
 | 	case R_0280F8_CB_COLOR6_FRAG: | 
 | 	case R_0280FC_CB_COLOR7_FRAG: | 
 | 		tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4; | 
 | 		if (!r600_cs_packet_next_is_pkt3_nop(p)) { | 
 | 			if (!track->cb_color_base_last[tmp]) { | 
 | 				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp]; | 
 | 			track->cb_color_frag_offset[tmp] = track->cb_color_bo_offset[tmp]; | 
 | 			ib[idx] = track->cb_color_base_last[tmp]; | 
 | 		} else { | 
 | 			r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 			if (r) { | 
 | 				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			track->cb_color_frag_bo[tmp] = reloc->robj; | 
 | 			track->cb_color_frag_offset[tmp] = (u64)ib[idx] << 8; | 
 | 			ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 		} | 
 | 		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) { | 
 | 			track->cb_dirty = true; | 
 | 		} | 
 | 		break; | 
 | 	case R_0280C0_CB_COLOR0_TILE: | 
 | 	case R_0280C4_CB_COLOR1_TILE: | 
 | 	case R_0280C8_CB_COLOR2_TILE: | 
 | 	case R_0280CC_CB_COLOR3_TILE: | 
 | 	case R_0280D0_CB_COLOR4_TILE: | 
 | 	case R_0280D4_CB_COLOR5_TILE: | 
 | 	case R_0280D8_CB_COLOR6_TILE: | 
 | 	case R_0280DC_CB_COLOR7_TILE: | 
 | 		tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4; | 
 | 		if (!r600_cs_packet_next_is_pkt3_nop(p)) { | 
 | 			if (!track->cb_color_base_last[tmp]) { | 
 | 				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp]; | 
 | 			track->cb_color_tile_offset[tmp] = track->cb_color_bo_offset[tmp]; | 
 | 			ib[idx] = track->cb_color_base_last[tmp]; | 
 | 		} else { | 
 | 			r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 			if (r) { | 
 | 				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			track->cb_color_tile_bo[tmp] = reloc->robj; | 
 | 			track->cb_color_tile_offset[tmp] = (u64)ib[idx] << 8; | 
 | 			ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 		} | 
 | 		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) { | 
 | 			track->cb_dirty = true; | 
 | 		} | 
 | 		break; | 
 | 	case R_028100_CB_COLOR0_MASK: | 
 | 	case R_028104_CB_COLOR1_MASK: | 
 | 	case R_028108_CB_COLOR2_MASK: | 
 | 	case R_02810C_CB_COLOR3_MASK: | 
 | 	case R_028110_CB_COLOR4_MASK: | 
 | 	case R_028114_CB_COLOR5_MASK: | 
 | 	case R_028118_CB_COLOR6_MASK: | 
 | 	case R_02811C_CB_COLOR7_MASK: | 
 | 		tmp = (reg - R_028100_CB_COLOR0_MASK) / 4; | 
 | 		track->cb_color_mask[tmp] = radeon_get_ib_value(p, idx); | 
 | 		if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) { | 
 | 			track->cb_dirty = true; | 
 | 		} | 
 | 		break; | 
 | 	case CB_COLOR0_BASE: | 
 | 	case CB_COLOR1_BASE: | 
 | 	case CB_COLOR2_BASE: | 
 | 	case CB_COLOR3_BASE: | 
 | 	case CB_COLOR4_BASE: | 
 | 	case CB_COLOR5_BASE: | 
 | 	case CB_COLOR6_BASE: | 
 | 	case CB_COLOR7_BASE: | 
 | 		r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 		if (r) { | 
 | 			dev_warn(p->dev, "bad SET_CONTEXT_REG " | 
 | 					"0x%04X\n", reg); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		tmp = (reg - CB_COLOR0_BASE) / 4; | 
 | 		track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx) << 8; | 
 | 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 		track->cb_color_base_last[tmp] = ib[idx]; | 
 | 		track->cb_color_bo[tmp] = reloc->robj; | 
 | 		track->cb_color_bo_mc[tmp] = reloc->lobj.gpu_offset; | 
 | 		track->cb_dirty = true; | 
 | 		break; | 
 | 	case DB_DEPTH_BASE: | 
 | 		r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 		if (r) { | 
 | 			dev_warn(p->dev, "bad SET_CONTEXT_REG " | 
 | 					"0x%04X\n", reg); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		track->db_offset = radeon_get_ib_value(p, idx) << 8; | 
 | 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 		track->db_bo = reloc->robj; | 
 | 		track->db_bo_mc = reloc->lobj.gpu_offset; | 
 | 		track->db_dirty = true; | 
 | 		break; | 
 | 	case DB_HTILE_DATA_BASE: | 
 | 		r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 		if (r) { | 
 | 			dev_warn(p->dev, "bad SET_CONTEXT_REG " | 
 | 					"0x%04X\n", reg); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		track->htile_offset = radeon_get_ib_value(p, idx) << 8; | 
 | 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 		track->htile_bo = reloc->robj; | 
 | 		track->db_dirty = true; | 
 | 		break; | 
 | 	case DB_HTILE_SURFACE: | 
 | 		track->htile_surface = radeon_get_ib_value(p, idx); | 
 | 		track->db_dirty = true; | 
 | 		break; | 
 | 	case SQ_PGM_START_FS: | 
 | 	case SQ_PGM_START_ES: | 
 | 	case SQ_PGM_START_VS: | 
 | 	case SQ_PGM_START_GS: | 
 | 	case SQ_PGM_START_PS: | 
 | 	case SQ_ALU_CONST_CACHE_GS_0: | 
 | 	case SQ_ALU_CONST_CACHE_GS_1: | 
 | 	case SQ_ALU_CONST_CACHE_GS_2: | 
 | 	case SQ_ALU_CONST_CACHE_GS_3: | 
 | 	case SQ_ALU_CONST_CACHE_GS_4: | 
 | 	case SQ_ALU_CONST_CACHE_GS_5: | 
 | 	case SQ_ALU_CONST_CACHE_GS_6: | 
 | 	case SQ_ALU_CONST_CACHE_GS_7: | 
 | 	case SQ_ALU_CONST_CACHE_GS_8: | 
 | 	case SQ_ALU_CONST_CACHE_GS_9: | 
 | 	case SQ_ALU_CONST_CACHE_GS_10: | 
 | 	case SQ_ALU_CONST_CACHE_GS_11: | 
 | 	case SQ_ALU_CONST_CACHE_GS_12: | 
 | 	case SQ_ALU_CONST_CACHE_GS_13: | 
 | 	case SQ_ALU_CONST_CACHE_GS_14: | 
 | 	case SQ_ALU_CONST_CACHE_GS_15: | 
 | 	case SQ_ALU_CONST_CACHE_PS_0: | 
 | 	case SQ_ALU_CONST_CACHE_PS_1: | 
 | 	case SQ_ALU_CONST_CACHE_PS_2: | 
 | 	case SQ_ALU_CONST_CACHE_PS_3: | 
 | 	case SQ_ALU_CONST_CACHE_PS_4: | 
 | 	case SQ_ALU_CONST_CACHE_PS_5: | 
 | 	case SQ_ALU_CONST_CACHE_PS_6: | 
 | 	case SQ_ALU_CONST_CACHE_PS_7: | 
 | 	case SQ_ALU_CONST_CACHE_PS_8: | 
 | 	case SQ_ALU_CONST_CACHE_PS_9: | 
 | 	case SQ_ALU_CONST_CACHE_PS_10: | 
 | 	case SQ_ALU_CONST_CACHE_PS_11: | 
 | 	case SQ_ALU_CONST_CACHE_PS_12: | 
 | 	case SQ_ALU_CONST_CACHE_PS_13: | 
 | 	case SQ_ALU_CONST_CACHE_PS_14: | 
 | 	case SQ_ALU_CONST_CACHE_PS_15: | 
 | 	case SQ_ALU_CONST_CACHE_VS_0: | 
 | 	case SQ_ALU_CONST_CACHE_VS_1: | 
 | 	case SQ_ALU_CONST_CACHE_VS_2: | 
 | 	case SQ_ALU_CONST_CACHE_VS_3: | 
 | 	case SQ_ALU_CONST_CACHE_VS_4: | 
 | 	case SQ_ALU_CONST_CACHE_VS_5: | 
 | 	case SQ_ALU_CONST_CACHE_VS_6: | 
 | 	case SQ_ALU_CONST_CACHE_VS_7: | 
 | 	case SQ_ALU_CONST_CACHE_VS_8: | 
 | 	case SQ_ALU_CONST_CACHE_VS_9: | 
 | 	case SQ_ALU_CONST_CACHE_VS_10: | 
 | 	case SQ_ALU_CONST_CACHE_VS_11: | 
 | 	case SQ_ALU_CONST_CACHE_VS_12: | 
 | 	case SQ_ALU_CONST_CACHE_VS_13: | 
 | 	case SQ_ALU_CONST_CACHE_VS_14: | 
 | 	case SQ_ALU_CONST_CACHE_VS_15: | 
 | 		r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 		if (r) { | 
 | 			dev_warn(p->dev, "bad SET_CONTEXT_REG " | 
 | 					"0x%04X\n", reg); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 		break; | 
 | 	case SX_MEMORY_EXPORT_BASE: | 
 | 		r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 		if (r) { | 
 | 			dev_warn(p->dev, "bad SET_CONFIG_REG " | 
 | 					"0x%04X\n", reg); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 		break; | 
 | 	case SX_MISC: | 
 | 		track->sx_misc_kill_all_prims = (radeon_get_ib_value(p, idx) & 0x1) != 0; | 
 | 		break; | 
 | 	default: | 
 | 		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | unsigned r600_mip_minify(unsigned size, unsigned level) | 
 | { | 
 | 	unsigned val; | 
 |  | 
 | 	val = max(1U, size >> level); | 
 | 	if (level > 0) | 
 | 		val = roundup_pow_of_two(val); | 
 | 	return val; | 
 | } | 
 |  | 
 | static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned llevel, | 
 | 			      unsigned w0, unsigned h0, unsigned d0, unsigned nsamples, unsigned format, | 
 | 			      unsigned block_align, unsigned height_align, unsigned base_align, | 
 | 			      unsigned *l0_size, unsigned *mipmap_size) | 
 | { | 
 | 	unsigned offset, i, level; | 
 | 	unsigned width, height, depth, size; | 
 | 	unsigned blocksize; | 
 | 	unsigned nbx, nby; | 
 | 	unsigned nlevels = llevel - blevel + 1; | 
 |  | 
 | 	*l0_size = -1; | 
 | 	blocksize = r600_fmt_get_blocksize(format); | 
 |  | 
 | 	w0 = r600_mip_minify(w0, 0); | 
 | 	h0 = r600_mip_minify(h0, 0); | 
 | 	d0 = r600_mip_minify(d0, 0); | 
 | 	for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) { | 
 | 		width = r600_mip_minify(w0, i); | 
 | 		nbx = r600_fmt_get_nblocksx(format, width); | 
 |  | 
 | 		nbx = round_up(nbx, block_align); | 
 |  | 
 | 		height = r600_mip_minify(h0, i); | 
 | 		nby = r600_fmt_get_nblocksy(format, height); | 
 | 		nby = round_up(nby, height_align); | 
 |  | 
 | 		depth = r600_mip_minify(d0, i); | 
 |  | 
 | 		size = nbx * nby * blocksize * nsamples; | 
 | 		if (nfaces) | 
 | 			size *= nfaces; | 
 | 		else | 
 | 			size *= depth; | 
 |  | 
 | 		if (i == 0) | 
 | 			*l0_size = size; | 
 |  | 
 | 		if (i == 0 || i == 1) | 
 | 			offset = round_up(offset, base_align); | 
 |  | 
 | 		offset += size; | 
 | 	} | 
 | 	*mipmap_size = offset; | 
 | 	if (llevel == 0) | 
 | 		*mipmap_size = *l0_size; | 
 | 	if (!blevel) | 
 | 		*mipmap_size -= *l0_size; | 
 | } | 
 |  | 
 | /** | 
 |  * r600_check_texture_resource() - check if register is authorized or not | 
 |  * @p: parser structure holding parsing context | 
 |  * @idx: index into the cs buffer | 
 |  * @texture: texture's bo structure | 
 |  * @mipmap: mipmap's bo structure | 
 |  * | 
 |  * This function will check that the resource has valid field and that | 
 |  * the texture and mipmap bo object are big enough to cover this resource. | 
 |  */ | 
 | static int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx, | 
 | 					      struct radeon_bo *texture, | 
 | 					      struct radeon_bo *mipmap, | 
 | 					      u64 base_offset, | 
 | 					      u64 mip_offset, | 
 | 					      u32 tiling_flags) | 
 | { | 
 | 	struct r600_cs_track *track = p->track; | 
 | 	u32 dim, nfaces, llevel, blevel, w0, h0, d0; | 
 | 	u32 word0, word1, l0_size, mipmap_size, word2, word3, word4, word5; | 
 | 	u32 height_align, pitch, pitch_align, depth_align; | 
 | 	u32 barray, larray; | 
 | 	u64 base_align; | 
 | 	struct array_mode_checker array_check; | 
 | 	u32 format; | 
 | 	bool is_array; | 
 |  | 
 | 	/* on legacy kernel we don't perform advanced check */ | 
 | 	if (p->rdev == NULL) | 
 | 		return 0; | 
 |  | 
 | 	/* convert to bytes */ | 
 | 	base_offset <<= 8; | 
 | 	mip_offset <<= 8; | 
 |  | 
 | 	word0 = radeon_get_ib_value(p, idx + 0); | 
 | 	if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { | 
 | 		if (tiling_flags & RADEON_TILING_MACRO) | 
 | 			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1); | 
 | 		else if (tiling_flags & RADEON_TILING_MICRO) | 
 | 			word0 |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1); | 
 | 	} | 
 | 	word1 = radeon_get_ib_value(p, idx + 1); | 
 | 	word2 = radeon_get_ib_value(p, idx + 2) << 8; | 
 | 	word3 = radeon_get_ib_value(p, idx + 3) << 8; | 
 | 	word4 = radeon_get_ib_value(p, idx + 4); | 
 | 	word5 = radeon_get_ib_value(p, idx + 5); | 
 | 	dim = G_038000_DIM(word0); | 
 | 	w0 = G_038000_TEX_WIDTH(word0) + 1; | 
 | 	pitch = (G_038000_PITCH(word0) + 1) * 8; | 
 | 	h0 = G_038004_TEX_HEIGHT(word1) + 1; | 
 | 	d0 = G_038004_TEX_DEPTH(word1); | 
 | 	format = G_038004_DATA_FORMAT(word1); | 
 | 	blevel = G_038010_BASE_LEVEL(word4); | 
 | 	llevel = G_038014_LAST_LEVEL(word5); | 
 | 	/* pitch in texels */ | 
 | 	array_check.array_mode = G_038000_TILE_MODE(word0); | 
 | 	array_check.group_size = track->group_size; | 
 | 	array_check.nbanks = track->nbanks; | 
 | 	array_check.npipes = track->npipes; | 
 | 	array_check.nsamples = 1; | 
 | 	array_check.blocksize = r600_fmt_get_blocksize(format); | 
 | 	nfaces = 1; | 
 | 	is_array = false; | 
 | 	switch (dim) { | 
 | 	case V_038000_SQ_TEX_DIM_1D: | 
 | 	case V_038000_SQ_TEX_DIM_2D: | 
 | 	case V_038000_SQ_TEX_DIM_3D: | 
 | 		break; | 
 | 	case V_038000_SQ_TEX_DIM_CUBEMAP: | 
 | 		if (p->family >= CHIP_RV770) | 
 | 			nfaces = 8; | 
 | 		else | 
 | 			nfaces = 6; | 
 | 		break; | 
 | 	case V_038000_SQ_TEX_DIM_1D_ARRAY: | 
 | 	case V_038000_SQ_TEX_DIM_2D_ARRAY: | 
 | 		is_array = true; | 
 | 		break; | 
 | 	case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA: | 
 | 		is_array = true; | 
 | 		/* fall through */ | 
 | 	case V_038000_SQ_TEX_DIM_2D_MSAA: | 
 | 		array_check.nsamples = 1 << llevel; | 
 | 		llevel = 0; | 
 | 		break; | 
 | 	default: | 
 | 		dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0)); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	if (!r600_fmt_is_valid_texture(format, p->family)) { | 
 | 		dev_warn(p->dev, "%s:%d texture invalid format %d\n", | 
 | 			 __func__, __LINE__, format); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	if (r600_get_array_mode_alignment(&array_check, | 
 | 					  &pitch_align, &height_align, &depth_align, &base_align)) { | 
 | 		dev_warn(p->dev, "%s:%d tex array mode (%d) invalid\n", | 
 | 			 __func__, __LINE__, G_038000_TILE_MODE(word0)); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	/* XXX check height as well... */ | 
 |  | 
 | 	if (!IS_ALIGNED(pitch, pitch_align)) { | 
 | 		dev_warn(p->dev, "%s:%d tex pitch (%d, 0x%x, %d) invalid\n", | 
 | 			 __func__, __LINE__, pitch, pitch_align, G_038000_TILE_MODE(word0)); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	if (!IS_ALIGNED(base_offset, base_align)) { | 
 | 		dev_warn(p->dev, "%s:%d tex base offset (0x%llx, 0x%llx, %d) invalid\n", | 
 | 			 __func__, __LINE__, base_offset, base_align, G_038000_TILE_MODE(word0)); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	if (!IS_ALIGNED(mip_offset, base_align)) { | 
 | 		dev_warn(p->dev, "%s:%d tex mip offset (0x%llx, 0x%llx, %d) invalid\n", | 
 | 			 __func__, __LINE__, mip_offset, base_align, G_038000_TILE_MODE(word0)); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	if (blevel > llevel) { | 
 | 		dev_warn(p->dev, "texture blevel %d > llevel %d\n", | 
 | 			 blevel, llevel); | 
 | 	} | 
 | 	if (is_array) { | 
 | 		barray = G_038014_BASE_ARRAY(word5); | 
 | 		larray = G_038014_LAST_ARRAY(word5); | 
 |  | 
 | 		nfaces = larray - barray + 1; | 
 | 	} | 
 | 	r600_texture_size(nfaces, blevel, llevel, w0, h0, d0, array_check.nsamples, format, | 
 | 			  pitch_align, height_align, base_align, | 
 | 			  &l0_size, &mipmap_size); | 
 | 	/* using get ib will give us the offset into the texture bo */ | 
 | 	if ((l0_size + word2) > radeon_bo_size(texture)) { | 
 | 		dev_warn(p->dev, "texture bo too small ((%d %d) (%d %d) %d %d %d -> %d have %ld)\n", | 
 | 			 w0, h0, pitch_align, height_align, | 
 | 			 array_check.array_mode, format, word2, | 
 | 			 l0_size, radeon_bo_size(texture)); | 
 | 		dev_warn(p->dev, "alignments %d %d %d %lld\n", pitch, pitch_align, height_align, base_align); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	/* using get ib will give us the offset into the mipmap bo */ | 
 | 	if ((mipmap_size + word3) > radeon_bo_size(mipmap)) { | 
 | 		/*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n", | 
 | 		  w0, h0, format, blevel, nlevels, word3, mipmap_size, radeon_bo_size(texture));*/ | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | static bool r600_is_safe_reg(struct radeon_cs_parser *p, u32 reg, u32 idx) | 
 | { | 
 | 	u32 m, i; | 
 |  | 
 | 	i = (reg >> 7); | 
 | 	if (i >= ARRAY_SIZE(r600_reg_safe_bm)) { | 
 | 		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx); | 
 | 		return false; | 
 | 	} | 
 | 	m = 1 << ((reg >> 2) & 31); | 
 | 	if (!(r600_reg_safe_bm[i] & m)) | 
 | 		return true; | 
 | 	dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx); | 
 | 	return false; | 
 | } | 
 |  | 
 | static int r600_packet3_check(struct radeon_cs_parser *p, | 
 | 				struct radeon_cs_packet *pkt) | 
 | { | 
 | 	struct radeon_cs_reloc *reloc; | 
 | 	struct r600_cs_track *track; | 
 | 	volatile u32 *ib; | 
 | 	unsigned idx; | 
 | 	unsigned i; | 
 | 	unsigned start_reg, end_reg, reg; | 
 | 	int r; | 
 | 	u32 idx_value; | 
 |  | 
 | 	track = (struct r600_cs_track *)p->track; | 
 | 	ib = p->ib.ptr; | 
 | 	idx = pkt->idx + 1; | 
 | 	idx_value = radeon_get_ib_value(p, idx); | 
 |  | 
 | 	switch (pkt->opcode) { | 
 | 	case PACKET3_SET_PREDICATION: | 
 | 	{ | 
 | 		int pred_op; | 
 | 		int tmp; | 
 | 		uint64_t offset; | 
 |  | 
 | 		if (pkt->count != 1) { | 
 | 			DRM_ERROR("bad SET PREDICATION\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 |  | 
 | 		tmp = radeon_get_ib_value(p, idx + 1); | 
 | 		pred_op = (tmp >> 16) & 0x7; | 
 |  | 
 | 		/* for the clear predicate operation */ | 
 | 		if (pred_op == 0) | 
 | 			return 0; | 
 |  | 
 | 		if (pred_op > 2) { | 
 | 			DRM_ERROR("bad SET PREDICATION operation %d\n", pred_op); | 
 | 			return -EINVAL; | 
 | 		} | 
 |  | 
 | 		r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 		if (r) { | 
 | 			DRM_ERROR("bad SET PREDICATION\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 |  | 
 | 		offset = reloc->lobj.gpu_offset + | 
 | 		         (idx_value & 0xfffffff0) + | 
 | 		         ((u64)(tmp & 0xff) << 32); | 
 |  | 
 | 		ib[idx + 0] = offset; | 
 | 		ib[idx + 1] = (tmp & 0xffffff00) | (upper_32_bits(offset) & 0xff); | 
 | 	} | 
 | 	break; | 
 |  | 
 | 	case PACKET3_START_3D_CMDBUF: | 
 | 		if (p->family >= CHIP_RV770 || pkt->count) { | 
 | 			DRM_ERROR("bad START_3D\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_CONTEXT_CONTROL: | 
 | 		if (pkt->count != 1) { | 
 | 			DRM_ERROR("bad CONTEXT_CONTROL\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_INDEX_TYPE: | 
 | 	case PACKET3_NUM_INSTANCES: | 
 | 		if (pkt->count) { | 
 | 			DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_DRAW_INDEX: | 
 | 	{ | 
 | 		uint64_t offset; | 
 | 		if (pkt->count != 3) { | 
 | 			DRM_ERROR("bad DRAW_INDEX\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 		if (r) { | 
 | 			DRM_ERROR("bad DRAW_INDEX\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 |  | 
 | 		offset = reloc->lobj.gpu_offset + | 
 | 		         idx_value + | 
 | 		         ((u64)(radeon_get_ib_value(p, idx+1) & 0xff) << 32); | 
 |  | 
 | 		ib[idx+0] = offset; | 
 | 		ib[idx+1] = upper_32_bits(offset) & 0xff; | 
 |  | 
 | 		r = r600_cs_track_check(p); | 
 | 		if (r) { | 
 | 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__); | 
 | 			return r; | 
 | 		} | 
 | 		break; | 
 | 	} | 
 | 	case PACKET3_DRAW_INDEX_AUTO: | 
 | 		if (pkt->count != 1) { | 
 | 			DRM_ERROR("bad DRAW_INDEX_AUTO\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		r = r600_cs_track_check(p); | 
 | 		if (r) { | 
 | 			dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx); | 
 | 			return r; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_DRAW_INDEX_IMMD_BE: | 
 | 	case PACKET3_DRAW_INDEX_IMMD: | 
 | 		if (pkt->count < 2) { | 
 | 			DRM_ERROR("bad DRAW_INDEX_IMMD\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		r = r600_cs_track_check(p); | 
 | 		if (r) { | 
 | 			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__); | 
 | 			return r; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_WAIT_REG_MEM: | 
 | 		if (pkt->count != 5) { | 
 | 			DRM_ERROR("bad WAIT_REG_MEM\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		/* bit 4 is reg (0) or mem (1) */ | 
 | 		if (idx_value & 0x10) { | 
 | 			uint64_t offset; | 
 |  | 
 | 			r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 			if (r) { | 
 | 				DRM_ERROR("bad WAIT_REG_MEM\n"); | 
 | 				return -EINVAL; | 
 | 			} | 
 |  | 
 | 			offset = reloc->lobj.gpu_offset + | 
 | 			         (radeon_get_ib_value(p, idx+1) & 0xfffffff0) + | 
 | 			         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32); | 
 |  | 
 | 			ib[idx+1] = (ib[idx+1] & 0x3) | (offset & 0xfffffff0); | 
 | 			ib[idx+2] = upper_32_bits(offset) & 0xff; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_SURFACE_SYNC: | 
 | 		if (pkt->count != 3) { | 
 | 			DRM_ERROR("bad SURFACE_SYNC\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		/* 0xffffffff/0x0 is flush all cache flag */ | 
 | 		if (radeon_get_ib_value(p, idx + 1) != 0xffffffff || | 
 | 		    radeon_get_ib_value(p, idx + 2) != 0) { | 
 | 			r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 			if (r) { | 
 | 				DRM_ERROR("bad SURFACE_SYNC\n"); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			ib[idx+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_EVENT_WRITE: | 
 | 		if (pkt->count != 2 && pkt->count != 0) { | 
 | 			DRM_ERROR("bad EVENT_WRITE\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		if (pkt->count) { | 
 | 			uint64_t offset; | 
 |  | 
 | 			r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 			if (r) { | 
 | 				DRM_ERROR("bad EVENT_WRITE\n"); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			offset = reloc->lobj.gpu_offset + | 
 | 			         (radeon_get_ib_value(p, idx+1) & 0xfffffff8) + | 
 | 			         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32); | 
 |  | 
 | 			ib[idx+1] = offset & 0xfffffff8; | 
 | 			ib[idx+2] = upper_32_bits(offset) & 0xff; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_EVENT_WRITE_EOP: | 
 | 	{ | 
 | 		uint64_t offset; | 
 |  | 
 | 		if (pkt->count != 4) { | 
 | 			DRM_ERROR("bad EVENT_WRITE_EOP\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 		if (r) { | 
 | 			DRM_ERROR("bad EVENT_WRITE\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 |  | 
 | 		offset = reloc->lobj.gpu_offset + | 
 | 		         (radeon_get_ib_value(p, idx+1) & 0xfffffffc) + | 
 | 		         ((u64)(radeon_get_ib_value(p, idx+2) & 0xff) << 32); | 
 |  | 
 | 		ib[idx+1] = offset & 0xfffffffc; | 
 | 		ib[idx+2] = (ib[idx+2] & 0xffffff00) | (upper_32_bits(offset) & 0xff); | 
 | 		break; | 
 | 	} | 
 | 	case PACKET3_SET_CONFIG_REG: | 
 | 		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET; | 
 | 		end_reg = 4 * pkt->count + start_reg - 4; | 
 | 		if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) || | 
 | 		    (start_reg >= PACKET3_SET_CONFIG_REG_END) || | 
 | 		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) { | 
 | 			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		for (i = 0; i < pkt->count; i++) { | 
 | 			reg = start_reg + (4 * i); | 
 | 			r = r600_cs_check_reg(p, reg, idx+1+i); | 
 | 			if (r) | 
 | 				return r; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_SET_CONTEXT_REG: | 
 | 		start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET; | 
 | 		end_reg = 4 * pkt->count + start_reg - 4; | 
 | 		if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) || | 
 | 		    (start_reg >= PACKET3_SET_CONTEXT_REG_END) || | 
 | 		    (end_reg >= PACKET3_SET_CONTEXT_REG_END)) { | 
 | 			DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		for (i = 0; i < pkt->count; i++) { | 
 | 			reg = start_reg + (4 * i); | 
 | 			r = r600_cs_check_reg(p, reg, idx+1+i); | 
 | 			if (r) | 
 | 				return r; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_SET_RESOURCE: | 
 | 		if (pkt->count % 7) { | 
 | 			DRM_ERROR("bad SET_RESOURCE\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET; | 
 | 		end_reg = 4 * pkt->count + start_reg - 4; | 
 | 		if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) || | 
 | 		    (start_reg >= PACKET3_SET_RESOURCE_END) || | 
 | 		    (end_reg >= PACKET3_SET_RESOURCE_END)) { | 
 | 			DRM_ERROR("bad SET_RESOURCE\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		for (i = 0; i < (pkt->count / 7); i++) { | 
 | 			struct radeon_bo *texture, *mipmap; | 
 | 			u32 size, offset, base_offset, mip_offset; | 
 |  | 
 | 			switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) { | 
 | 			case SQ_TEX_VTX_VALID_TEXTURE: | 
 | 				/* tex base */ | 
 | 				r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 				if (r) { | 
 | 					DRM_ERROR("bad SET_RESOURCE\n"); | 
 | 					return -EINVAL; | 
 | 				} | 
 | 				base_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 				if (!(p->cs_flags & RADEON_CS_KEEP_TILING_FLAGS)) { | 
 | 					if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) | 
 | 						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_2D_TILED_THIN1); | 
 | 					else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) | 
 | 						ib[idx+1+(i*7)+0] |= S_038000_TILE_MODE(V_038000_ARRAY_1D_TILED_THIN1); | 
 | 				} | 
 | 				texture = reloc->robj; | 
 | 				/* tex mip base */ | 
 | 				r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 				if (r) { | 
 | 					DRM_ERROR("bad SET_RESOURCE\n"); | 
 | 					return -EINVAL; | 
 | 				} | 
 | 				mip_offset = (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 				mipmap = reloc->robj; | 
 | 				r = r600_check_texture_resource(p,  idx+(i*7)+1, | 
 | 								texture, mipmap, | 
 | 								base_offset + radeon_get_ib_value(p, idx+1+(i*7)+2), | 
 | 								mip_offset + radeon_get_ib_value(p, idx+1+(i*7)+3), | 
 | 								reloc->lobj.tiling_flags); | 
 | 				if (r) | 
 | 					return r; | 
 | 				ib[idx+1+(i*7)+2] += base_offset; | 
 | 				ib[idx+1+(i*7)+3] += mip_offset; | 
 | 				break; | 
 | 			case SQ_TEX_VTX_VALID_BUFFER: | 
 | 			{ | 
 | 				uint64_t offset64; | 
 | 				/* vtx base */ | 
 | 				r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 				if (r) { | 
 | 					DRM_ERROR("bad SET_RESOURCE\n"); | 
 | 					return -EINVAL; | 
 | 				} | 
 | 				offset = radeon_get_ib_value(p, idx+1+(i*7)+0); | 
 | 				size = radeon_get_ib_value(p, idx+1+(i*7)+1) + 1; | 
 | 				if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) { | 
 | 					/* force size to size of the buffer */ | 
 | 					dev_warn(p->dev, "vbo resource seems too big (%d) for the bo (%ld)\n", | 
 | 						 size + offset, radeon_bo_size(reloc->robj)); | 
 | 					ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj) - offset; | 
 | 				} | 
 |  | 
 | 				offset64 = reloc->lobj.gpu_offset + offset; | 
 | 				ib[idx+1+(i*8)+0] = offset64; | 
 | 				ib[idx+1+(i*8)+2] = (ib[idx+1+(i*8)+2] & 0xffffff00) | | 
 | 						    (upper_32_bits(offset64) & 0xff); | 
 | 				break; | 
 | 			} | 
 | 			case SQ_TEX_VTX_INVALID_TEXTURE: | 
 | 			case SQ_TEX_VTX_INVALID_BUFFER: | 
 | 			default: | 
 | 				DRM_ERROR("bad SET_RESOURCE\n"); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_SET_ALU_CONST: | 
 | 		if (track->sq_config & DX9_CONSTS) { | 
 | 			start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET; | 
 | 			end_reg = 4 * pkt->count + start_reg - 4; | 
 | 			if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) || | 
 | 			    (start_reg >= PACKET3_SET_ALU_CONST_END) || | 
 | 			    (end_reg >= PACKET3_SET_ALU_CONST_END)) { | 
 | 				DRM_ERROR("bad SET_ALU_CONST\n"); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_SET_BOOL_CONST: | 
 | 		start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET; | 
 | 		end_reg = 4 * pkt->count + start_reg - 4; | 
 | 		if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) || | 
 | 		    (start_reg >= PACKET3_SET_BOOL_CONST_END) || | 
 | 		    (end_reg >= PACKET3_SET_BOOL_CONST_END)) { | 
 | 			DRM_ERROR("bad SET_BOOL_CONST\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_SET_LOOP_CONST: | 
 | 		start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET; | 
 | 		end_reg = 4 * pkt->count + start_reg - 4; | 
 | 		if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) || | 
 | 		    (start_reg >= PACKET3_SET_LOOP_CONST_END) || | 
 | 		    (end_reg >= PACKET3_SET_LOOP_CONST_END)) { | 
 | 			DRM_ERROR("bad SET_LOOP_CONST\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_SET_CTL_CONST: | 
 | 		start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET; | 
 | 		end_reg = 4 * pkt->count + start_reg - 4; | 
 | 		if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) || | 
 | 		    (start_reg >= PACKET3_SET_CTL_CONST_END) || | 
 | 		    (end_reg >= PACKET3_SET_CTL_CONST_END)) { | 
 | 			DRM_ERROR("bad SET_CTL_CONST\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_SET_SAMPLER: | 
 | 		if (pkt->count % 3) { | 
 | 			DRM_ERROR("bad SET_SAMPLER\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET; | 
 | 		end_reg = 4 * pkt->count + start_reg - 4; | 
 | 		if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) || | 
 | 		    (start_reg >= PACKET3_SET_SAMPLER_END) || | 
 | 		    (end_reg >= PACKET3_SET_SAMPLER_END)) { | 
 | 			DRM_ERROR("bad SET_SAMPLER\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_STRMOUT_BASE_UPDATE: | 
 | 		if (p->family < CHIP_RV770) { | 
 | 			DRM_ERROR("STRMOUT_BASE_UPDATE only supported on 7xx\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		if (pkt->count != 1) { | 
 | 			DRM_ERROR("bad STRMOUT_BASE_UPDATE packet count\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		if (idx_value > 3) { | 
 | 			DRM_ERROR("bad STRMOUT_BASE_UPDATE index\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		{ | 
 | 			u64 offset; | 
 |  | 
 | 			r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 			if (r) { | 
 | 				DRM_ERROR("bad STRMOUT_BASE_UPDATE reloc\n"); | 
 | 				return -EINVAL; | 
 | 			} | 
 |  | 
 | 			if (reloc->robj != track->vgt_strmout_bo[idx_value]) { | 
 | 				DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo does not match\n"); | 
 | 				return -EINVAL; | 
 | 			} | 
 |  | 
 | 			offset = radeon_get_ib_value(p, idx+1) << 8; | 
 | 			if (offset != track->vgt_strmout_bo_offset[idx_value]) { | 
 | 				DRM_ERROR("bad STRMOUT_BASE_UPDATE, bo offset does not match: 0x%llx, 0x%x\n", | 
 | 					  offset, track->vgt_strmout_bo_offset[idx_value]); | 
 | 				return -EINVAL; | 
 | 			} | 
 |  | 
 | 			if ((offset + 4) > radeon_bo_size(reloc->robj)) { | 
 | 				DRM_ERROR("bad STRMOUT_BASE_UPDATE bo too small: 0x%llx, 0x%lx\n", | 
 | 					  offset + 4, radeon_bo_size(reloc->robj)); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			ib[idx+1] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff); | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_SURFACE_BASE_UPDATE: | 
 | 		if (p->family >= CHIP_RV770 || p->family == CHIP_R600) { | 
 | 			DRM_ERROR("bad SURFACE_BASE_UPDATE\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		if (pkt->count) { | 
 | 			DRM_ERROR("bad SURFACE_BASE_UPDATE\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_STRMOUT_BUFFER_UPDATE: | 
 | 		if (pkt->count != 4) { | 
 | 			DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (invalid count)\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		/* Updating memory at DST_ADDRESS. */ | 
 | 		if (idx_value & 0x1) { | 
 | 			u64 offset; | 
 | 			r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 			if (r) { | 
 | 				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing dst reloc)\n"); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			offset = radeon_get_ib_value(p, idx+1); | 
 | 			offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32; | 
 | 			if ((offset + 4) > radeon_bo_size(reloc->robj)) { | 
 | 				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE dst bo too small: 0x%llx, 0x%lx\n", | 
 | 					  offset + 4, radeon_bo_size(reloc->robj)); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			offset += reloc->lobj.gpu_offset; | 
 | 			ib[idx+1] = offset; | 
 | 			ib[idx+2] = upper_32_bits(offset) & 0xff; | 
 | 		} | 
 | 		/* Reading data from SRC_ADDRESS. */ | 
 | 		if (((idx_value >> 1) & 0x3) == 2) { | 
 | 			u64 offset; | 
 | 			r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 			if (r) { | 
 | 				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE (missing src reloc)\n"); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			offset = radeon_get_ib_value(p, idx+3); | 
 | 			offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32; | 
 | 			if ((offset + 4) > radeon_bo_size(reloc->robj)) { | 
 | 				DRM_ERROR("bad STRMOUT_BUFFER_UPDATE src bo too small: 0x%llx, 0x%lx\n", | 
 | 					  offset + 4, radeon_bo_size(reloc->robj)); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			offset += reloc->lobj.gpu_offset; | 
 | 			ib[idx+3] = offset; | 
 | 			ib[idx+4] = upper_32_bits(offset) & 0xff; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_COPY_DW: | 
 | 		if (pkt->count != 4) { | 
 | 			DRM_ERROR("bad COPY_DW (invalid count)\n"); | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		if (idx_value & 0x1) { | 
 | 			u64 offset; | 
 | 			/* SRC is memory. */ | 
 | 			r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 			if (r) { | 
 | 				DRM_ERROR("bad COPY_DW (missing src reloc)\n"); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			offset = radeon_get_ib_value(p, idx+1); | 
 | 			offset += ((u64)(radeon_get_ib_value(p, idx+2) & 0xff)) << 32; | 
 | 			if ((offset + 4) > radeon_bo_size(reloc->robj)) { | 
 | 				DRM_ERROR("bad COPY_DW src bo too small: 0x%llx, 0x%lx\n", | 
 | 					  offset + 4, radeon_bo_size(reloc->robj)); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			offset += reloc->lobj.gpu_offset; | 
 | 			ib[idx+1] = offset; | 
 | 			ib[idx+2] = upper_32_bits(offset) & 0xff; | 
 | 		} else { | 
 | 			/* SRC is a reg. */ | 
 | 			reg = radeon_get_ib_value(p, idx+1) << 2; | 
 | 			if (!r600_is_safe_reg(p, reg, idx+1)) | 
 | 				return -EINVAL; | 
 | 		} | 
 | 		if (idx_value & 0x2) { | 
 | 			u64 offset; | 
 | 			/* DST is memory. */ | 
 | 			r = r600_cs_packet_next_reloc(p, &reloc); | 
 | 			if (r) { | 
 | 				DRM_ERROR("bad COPY_DW (missing dst reloc)\n"); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			offset = radeon_get_ib_value(p, idx+3); | 
 | 			offset += ((u64)(radeon_get_ib_value(p, idx+4) & 0xff)) << 32; | 
 | 			if ((offset + 4) > radeon_bo_size(reloc->robj)) { | 
 | 				DRM_ERROR("bad COPY_DW dst bo too small: 0x%llx, 0x%lx\n", | 
 | 					  offset + 4, radeon_bo_size(reloc->robj)); | 
 | 				return -EINVAL; | 
 | 			} | 
 | 			offset += reloc->lobj.gpu_offset; | 
 | 			ib[idx+3] = offset; | 
 | 			ib[idx+4] = upper_32_bits(offset) & 0xff; | 
 | 		} else { | 
 | 			/* DST is a reg. */ | 
 | 			reg = radeon_get_ib_value(p, idx+3) << 2; | 
 | 			if (!r600_is_safe_reg(p, reg, idx+3)) | 
 | 				return -EINVAL; | 
 | 		} | 
 | 		break; | 
 | 	case PACKET3_NOP: | 
 | 		break; | 
 | 	default: | 
 | 		DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode); | 
 | 		return -EINVAL; | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | int r600_cs_parse(struct radeon_cs_parser *p) | 
 | { | 
 | 	struct radeon_cs_packet pkt; | 
 | 	struct r600_cs_track *track; | 
 | 	int r; | 
 |  | 
 | 	if (p->track == NULL) { | 
 | 		/* initialize tracker, we are in kms */ | 
 | 		track = kzalloc(sizeof(*track), GFP_KERNEL); | 
 | 		if (track == NULL) | 
 | 			return -ENOMEM; | 
 | 		r600_cs_track_init(track); | 
 | 		if (p->rdev->family < CHIP_RV770) { | 
 | 			track->npipes = p->rdev->config.r600.tiling_npipes; | 
 | 			track->nbanks = p->rdev->config.r600.tiling_nbanks; | 
 | 			track->group_size = p->rdev->config.r600.tiling_group_size; | 
 | 		} else if (p->rdev->family <= CHIP_RV740) { | 
 | 			track->npipes = p->rdev->config.rv770.tiling_npipes; | 
 | 			track->nbanks = p->rdev->config.rv770.tiling_nbanks; | 
 | 			track->group_size = p->rdev->config.rv770.tiling_group_size; | 
 | 		} | 
 | 		p->track = track; | 
 | 	} | 
 | 	do { | 
 | 		r = r600_cs_packet_parse(p, &pkt, p->idx); | 
 | 		if (r) { | 
 | 			kfree(p->track); | 
 | 			p->track = NULL; | 
 | 			return r; | 
 | 		} | 
 | 		p->idx += pkt.count + 2; | 
 | 		switch (pkt.type) { | 
 | 		case PACKET_TYPE0: | 
 | 			r = r600_cs_parse_packet0(p, &pkt); | 
 | 			break; | 
 | 		case PACKET_TYPE2: | 
 | 			break; | 
 | 		case PACKET_TYPE3: | 
 | 			r = r600_packet3_check(p, &pkt); | 
 | 			break; | 
 | 		default: | 
 | 			DRM_ERROR("Unknown packet type %d !\n", pkt.type); | 
 | 			kfree(p->track); | 
 | 			p->track = NULL; | 
 | 			return -EINVAL; | 
 | 		} | 
 | 		if (r) { | 
 | 			kfree(p->track); | 
 | 			p->track = NULL; | 
 | 			return r; | 
 | 		} | 
 | 	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw); | 
 | #if 0 | 
 | 	for (r = 0; r < p->ib.length_dw; r++) { | 
 | 		printk(KERN_INFO "%05d  0x%08X\n", r, p->ib.ptr[r]); | 
 | 		mdelay(1); | 
 | 	} | 
 | #endif | 
 | 	kfree(p->track); | 
 | 	p->track = NULL; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int r600_cs_parser_relocs_legacy(struct radeon_cs_parser *p) | 
 | { | 
 | 	if (p->chunk_relocs_idx == -1) { | 
 | 		return 0; | 
 | 	} | 
 | 	p->relocs = kzalloc(sizeof(struct radeon_cs_reloc), GFP_KERNEL); | 
 | 	if (p->relocs == NULL) { | 
 | 		return -ENOMEM; | 
 | 	} | 
 | 	return 0; | 
 | } | 
 |  | 
 | /** | 
 |  * cs_parser_fini() - clean parser states | 
 |  * @parser:	parser structure holding parsing context. | 
 |  * @error:	error number | 
 |  * | 
 |  * If error is set than unvalidate buffer, otherwise just free memory | 
 |  * used by parsing context. | 
 |  **/ | 
 | static void r600_cs_parser_fini(struct radeon_cs_parser *parser, int error) | 
 | { | 
 | 	unsigned i; | 
 |  | 
 | 	kfree(parser->relocs); | 
 | 	for (i = 0; i < parser->nchunks; i++) { | 
 | 		kfree(parser->chunks[i].kdata); | 
 | 		kfree(parser->chunks[i].kpage[0]); | 
 | 		kfree(parser->chunks[i].kpage[1]); | 
 | 	} | 
 | 	kfree(parser->chunks); | 
 | 	kfree(parser->chunks_array); | 
 | } | 
 |  | 
 | int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp, | 
 | 			unsigned family, u32 *ib, int *l) | 
 | { | 
 | 	struct radeon_cs_parser parser; | 
 | 	struct radeon_cs_chunk *ib_chunk; | 
 | 	struct r600_cs_track *track; | 
 | 	int r; | 
 |  | 
 | 	/* initialize tracker */ | 
 | 	track = kzalloc(sizeof(*track), GFP_KERNEL); | 
 | 	if (track == NULL) | 
 | 		return -ENOMEM; | 
 | 	r600_cs_track_init(track); | 
 | 	r600_cs_legacy_get_tiling_conf(dev, &track->npipes, &track->nbanks, &track->group_size); | 
 | 	/* initialize parser */ | 
 | 	memset(&parser, 0, sizeof(struct radeon_cs_parser)); | 
 | 	parser.filp = filp; | 
 | 	parser.dev = &dev->pdev->dev; | 
 | 	parser.rdev = NULL; | 
 | 	parser.family = family; | 
 | 	parser.track = track; | 
 | 	parser.ib.ptr = ib; | 
 | 	r = radeon_cs_parser_init(&parser, data); | 
 | 	if (r) { | 
 | 		DRM_ERROR("Failed to initialize parser !\n"); | 
 | 		r600_cs_parser_fini(&parser, r); | 
 | 		return r; | 
 | 	} | 
 | 	r = r600_cs_parser_relocs_legacy(&parser); | 
 | 	if (r) { | 
 | 		DRM_ERROR("Failed to parse relocation !\n"); | 
 | 		r600_cs_parser_fini(&parser, r); | 
 | 		return r; | 
 | 	} | 
 | 	/* Copy the packet into the IB, the parser will read from the | 
 | 	 * input memory (cached) and write to the IB (which can be | 
 | 	 * uncached). */ | 
 | 	ib_chunk = &parser.chunks[parser.chunk_ib_idx]; | 
 | 	parser.ib.length_dw = ib_chunk->length_dw; | 
 | 	*l = parser.ib.length_dw; | 
 | 	r = r600_cs_parse(&parser); | 
 | 	if (r) { | 
 | 		DRM_ERROR("Invalid command stream !\n"); | 
 | 		r600_cs_parser_fini(&parser, r); | 
 | 		return r; | 
 | 	} | 
 | 	r = radeon_cs_finish_pages(&parser); | 
 | 	if (r) { | 
 | 		DRM_ERROR("Invalid command stream !\n"); | 
 | 		r600_cs_parser_fini(&parser, r); | 
 | 		return r; | 
 | 	} | 
 | 	r600_cs_parser_fini(&parser, r); | 
 | 	return r; | 
 | } | 
 |  | 
 | void r600_cs_legacy_init(void) | 
 | { | 
 | 	r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_nomm; | 
 | } |