Commit 60b212f8 authored by Dave Airlie's avatar Dave Airlie
Browse files

drm/radeon: overhaul texture checking. (v3) 



the texture checking code didn't work for block formats like s3tc,
this overhauls it to work for all types.

v2: add texture array support.
v3: add subsampled formats

Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 82ef594e

drivers/gpu/drm/radeon/r600_cs.c

+241 −114
Original line number Diff line number Diff line
@@ -71,76 +71,165 @@ struct r600_cs_track { 
	u64			db_bo_mc;

};



#define FMT_8_BIT(fmt, vc) [fmt] = { 1, 1, 1, vc }

#define FMT_16_BIT(fmt, vc) [fmt] = { 1, 1, 2, vc }

#define FMT_24_BIT(fmt) [fmt] = { 1, 1, 3, 0 }

#define FMT_32_BIT(fmt, vc) [fmt] = { 1, 1, 4, vc }

#define FMT_48_BIT(fmt) [fmt] = { 1, 1, 6, 0 }

#define FMT_64_BIT(fmt, vc) [fmt] = { 1, 1, 8, vc }

#define FMT_96_BIT(fmt) [fmt] = { 1, 1, 12, 0 }

#define FMT_128_BIT(fmt, vc) [fmt] = { 1, 1, 16, vc }



struct gpu_formats {

	unsigned blockwidth;

	unsigned blockheight;

	unsigned blocksize;

	unsigned valid_color;

};



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},



};



static inline bool 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;

}



static inline bool fmt_is_valid_texture(u32 format)

{

	if (format > ARRAY_SIZE(color_formats_table))

		return false;

	

	if (color_formats_table[format].blockwidth > 0)

		return true;



	return false;

}



static inline int fmt_get_blocksize(u32 format)

{

	if (format > ARRAY_SIZE(color_formats_table))

		return 0;



	return color_formats_table[format].blocksize;

}



static inline int 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;

}



static inline int 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;

}



static inline int r600_bpe_from_format(u32 *bpe, u32 format)

{

	switch (format) {

	case V_038004_COLOR_8:

	case V_038004_COLOR_4_4:

	case V_038004_COLOR_3_3_2:

	case V_038004_FMT_1:

		*bpe = 1;

		break;

	case V_038004_COLOR_16:

	case V_038004_COLOR_16_FLOAT:

	case V_038004_COLOR_8_8:

	case V_038004_COLOR_5_6_5:

	case V_038004_COLOR_6_5_5:

	case V_038004_COLOR_1_5_5_5:

	case V_038004_COLOR_4_4_4_4:

	case V_038004_COLOR_5_5_5_1:

		*bpe = 2;

		break;

	case V_038004_FMT_8_8_8:

		*bpe = 3;

		break;

	case V_038004_COLOR_32:

	case V_038004_COLOR_32_FLOAT:

	case V_038004_COLOR_16_16:

	case V_038004_COLOR_16_16_FLOAT:

	case V_038004_COLOR_8_24:

	case V_038004_COLOR_8_24_FLOAT:

	case V_038004_COLOR_24_8:

	case V_038004_COLOR_24_8_FLOAT:

	case V_038004_COLOR_10_11_11:

	case V_038004_COLOR_10_11_11_FLOAT:

	case V_038004_COLOR_11_11_10:

	case V_038004_COLOR_11_11_10_FLOAT:

	case V_038004_COLOR_2_10_10_10:

	case V_038004_COLOR_8_8_8_8:

	case V_038004_COLOR_10_10_10_2:

	case V_038004_FMT_5_9_9_9_SHAREDEXP:

	case V_038004_FMT_32_AS_8:

	case V_038004_FMT_32_AS_8_8:

		*bpe = 4;

		break;

	case V_038004_COLOR_X24_8_32_FLOAT:

	case V_038004_COLOR_32_32:

	case V_038004_COLOR_32_32_FLOAT:

	case V_038004_COLOR_16_16_16_16:

	case V_038004_COLOR_16_16_16_16_FLOAT:

		*bpe = 8;

		break;

	case V_038004_FMT_16_16_16:

	case V_038004_FMT_16_16_16_FLOAT:

		*bpe = 6;

		break;

	case V_038004_FMT_32_32_32:

	case V_038004_FMT_32_32_32_FLOAT:

		*bpe = 12;

		break;

	case V_038004_COLOR_32_32_32_32:

	case V_038004_COLOR_32_32_32_32_FLOAT:

		*bpe = 16;

		break;

	case V_038004_FMT_GB_GR:

	case V_038004_FMT_BG_RG:

	case V_038004_COLOR_INVALID:

	default:

 	unsigned res;

	if (format > ARRAY_SIZE(color_formats_table))

		goto fail;



	res = color_formats_table[format].blocksize;

	if (res == 0)

		goto fail;



	*bpe = res;

	return 0;



fail:

	*bpe = 16;

	return -EINVAL;

}

	return 0;

}



struct array_mode_checker {

	int array_mode;
@@ -148,7 +237,7 @@ struct array_mode_checker { 
	u32 nbanks;

	u32 npipes;

	u32 nsamples;

	u32 bpe;

	u32 blocksize;

};



/* returns alignment in pixels for pitch/height/depth and bytes for base */
@@ -162,7 +251,7 @@ static inline int r600_get_array_mode_alignment(struct array_mode_checker *value 
	u32 tile_height = 8;

	u32 macro_tile_width = values->nbanks;

	u32 macro_tile_height = values->npipes;

	u32 tile_bytes = tile_width * tile_height * values->bpe * values->nsamples;

	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) {
@@ -174,7 +263,7 @@ static inline int r600_get_array_mode_alignment(struct array_mode_checker *value 
		*base_align = 1;

		break;

	case ARRAY_LINEAR_ALIGNED:

		*pitch_align = max((u32)64, (u32)(values->group_size / values->bpe));

		*pitch_align = max((u32)64, (u32)(values->group_size / values->blocksize));

		*height_align = tile_height;

		*depth_align = 1;

		*base_align = values->group_size;
@@ -182,7 +271,7 @@ static inline int r600_get_array_mode_alignment(struct array_mode_checker *value 
	case ARRAY_1D_TILED_THIN1:

		*pitch_align = max((u32)tile_width,

				   (u32)(values->group_size /

					 (tile_height * values->bpe * values->nsamples)));

					 (tile_height * values->blocksize * values->nsamples)));

		*height_align = tile_height;

		*depth_align = 1;

		*base_align = values->group_size;
@@ -190,12 +279,12 @@ static inline int r600_get_array_mode_alignment(struct array_mode_checker *value 
	case ARRAY_2D_TILED_THIN1:

		*pitch_align = max((u32)macro_tile_width,

				  (u32)(((values->group_size / tile_height) /

					 (values->bpe * values->nsamples)) *

					 (values->blocksize * values->nsamples)) *

					values->nbanks)) * tile_width;

		*height_align = macro_tile_height * tile_height;

		*depth_align = 1;

		*base_align = max(macro_tile_bytes,

				  (*pitch_align) * values->bpe * (*height_align) * values->nsamples);

				  (*pitch_align) * values->blocksize * (*height_align) * values->nsamples);

		break;

	default:

		return -EINVAL;
@@ -234,21 +323,22 @@ static void r600_cs_track_init(struct r600_cs_track *track) 
static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)

{

	struct r600_cs_track *track = p->track;

	u32 bpe = 0, slice_tile_max, size, tmp;

	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;

	if (G_0280A0_TILE_MODE(track->cb_color_info[i])) {

		dev_warn(p->dev, "FMASK or CMASK buffer are not supported by this kernel\n");

		return -EINVAL;

	}

	size = radeon_bo_size(track->cb_color_bo[i]) - track->cb_color_bo_offset[i];

	if (r600_bpe_from_format(&bpe, G_0280A0_FORMAT(track->cb_color_info[i]))) {

	format = G_0280A0_FORMAT(track->cb_color_info[i]);

	if (!fmt_is_valid_color(format)) {

		dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",

			 __func__, __LINE__, G_0280A0_FORMAT(track->cb_color_info[i]),

			 __func__, __LINE__, format,

			i, track->cb_color_info[i]);

		return -EINVAL;

	}
@@ -267,7 +357,7 @@ static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) 
	array_check.nbanks = track->nbanks;

	array_check.npipes = track->npipes;

	array_check.nsamples = track->nsamples;

	array_check.bpe = bpe;

	array_check.blocksize = 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__,
@@ -310,7 +400,7 @@ static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i) 
	}



	/* check offset */

	tmp = height * pitch * bpe;

	tmp = fmt_get_nblocksy(format, height) * fmt_get_nblocksx(format, pitch) * fmt_get_blocksize(format);

	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 */
@@ -432,7 +522,7 @@ static int r600_cs_track_check(struct radeon_cs_parser *p) 
			array_check.nbanks = track->nbanks;

			array_check.npipes = track->npipes;

			array_check.nsamples = track->nsamples;

			array_check.bpe = bpe;

			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__,
@@ -1107,39 +1197,61 @@ static inline int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx 
	return 0;

}



static inline unsigned minify(unsigned size, unsigned levels)

static inline unsigned mip_minify(unsigned size, unsigned level)

{

	size = size >> levels;

	if (size < 1)

		size = 1;

	return size;

	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 nlevels,

			      unsigned w0, unsigned h0, unsigned d0, unsigned bpe,

			      unsigned pitch_align,

static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned llevel,

			      unsigned w0, unsigned h0, unsigned d0, unsigned format,

			      unsigned block_align, unsigned height_align, unsigned base_align,

			      unsigned *l0_size, unsigned *mipmap_size)

{

	unsigned offset, i, level, face;

	unsigned width, height, depth, rowstride, size;



	w0 = minify(w0, 0);

	h0 = minify(h0, 0);

	d0 = minify(d0, 0);

	unsigned offset, i, level;

	unsigned width, height, depth, size;

	unsigned blocksize;

	unsigned nbx, nby;

	unsigned nlevels = llevel - blevel + 1;



	*l0_size = -1;

	blocksize = fmt_get_blocksize(format);



	w0 = mip_minify(w0, 0);

	h0 = mip_minify(h0, 0);

	d0 = mip_minify(d0, 0);

	for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) {

		width = minify(w0, i);

		height = minify(h0, i);

		depth = minify(d0, i);

		for(face = 0; face < nfaces; face++) {

			rowstride = ALIGN((width * bpe), pitch_align);

			size = height * rowstride * depth;

		width = mip_minify(w0, i);

		nbx = fmt_get_nblocksx(format, width);



		nbx = round_up(nbx, block_align);



		height = mip_minify(h0, i);

		nby = fmt_get_nblocksy(format, height);

		nby = round_up(nby, height_align);



		depth = mip_minify(d0, i);



		size = nbx * nby * blocksize;

		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;

			offset = (offset + 0x1f) & ~0x1f;

		}

	}

	*l0_size = ALIGN((w0 * bpe), pitch_align) * h0 * d0;

	*mipmap_size = offset;

	if (!nlevels)

	if (llevel == 0)

		*mipmap_size = *l0_size;

	if (!blevel)

		*mipmap_size -= *l0_size;
@@ -1163,11 +1275,13 @@ static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 i 
					      u32 tiling_flags)

{

	struct r600_cs_track *track = p->track;

	u32 nfaces, nlevels, blevel, w0, h0, d0, bpe = 0;

	u32 nfaces, llevel, blevel, w0, h0, d0;

	u32 word0, word1, l0_size, mipmap_size;

	u32 height_align, pitch, pitch_align, depth_align;

	u32 array, barray, larray;

	u64 base_align;

	struct array_mode_checker array_check;

	u32 format;



	/* on legacy kernel we don't perform advanced check */

	if (p->rdev == NULL)
@@ -1193,19 +1307,25 @@ static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 i 
	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:

		array = 1;

		break;

	case V_038000_SQ_TEX_DIM_2D_MSAA:

	case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA:

	default:

		dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0));

		return -EINVAL;

	}

	if (r600_bpe_from_format(&bpe,  G_038004_DATA_FORMAT(word1))) {

	format = G_038004_DATA_FORMAT(word1);

	if (!fmt_is_valid_texture(format)) {

		dev_warn(p->dev, "%s:%d texture invalid format %d\n",

			 __func__, __LINE__, G_038004_DATA_FORMAT(word1));

			 __func__, __LINE__, format);

		return -EINVAL;

	}
@@ -1216,7 +1336,7 @@ static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 i 
	array_check.nbanks = track->nbanks;

	array_check.npipes = track->npipes;

	array_check.nsamples = 1;

	array_check.bpe = bpe;

	array_check.blocksize = 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:%d tex array mode (%d) invalid\n",
@@ -1245,22 +1365,29 @@ static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 i 
	word0 = radeon_get_ib_value(p, idx + 4);

	word1 = radeon_get_ib_value(p, idx + 5);

	blevel = G_038010_BASE_LEVEL(word0);

	nlevels = G_038014_LAST_LEVEL(word1);

	r600_texture_size(nfaces, blevel, nlevels, w0, h0, d0, bpe,

			  (pitch_align * bpe),

	llevel = G_038014_LAST_LEVEL(word1);

	if (array == 1) {

		barray = G_038014_BASE_ARRAY(word1);

		larray = G_038014_LAST_ARRAY(word1);



		nfaces = larray - barray + 1;

	}

	r600_texture_size(nfaces, blevel, llevel, w0, h0, d0, format,

			  pitch_align, height_align, base_align,

			  &l0_size, &mipmap_size);

	/* using get ib will give us the offset into the texture bo */

	word0 = radeon_get_ib_value(p, idx + 2) << 8;

	if ((l0_size + word0) > radeon_bo_size(texture)) {

		dev_warn(p->dev, "texture bo too small (%d %d %d %d -> %d have %ld)\n",

			w0, h0, bpe, word0, l0_size, radeon_bo_size(texture));

			w0, h0, format, word0, 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 */

	word0 = radeon_get_ib_value(p, idx + 3) << 8;

	if ((mipmap_size + word0) > radeon_bo_size(mipmap)) {

		/*dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",

		  w0, h0, bpe, blevel, nlevels, word0, mipmap_size, radeon_bo_size(texture));*/

		  w0, h0, format, blevel, nlevels, word0, mipmap_size, radeon_bo_size(texture));*/

	}

	return 0;

}

drivers/gpu/drm/radeon/r600d.h

+5 −0
Original line number Diff line number Diff line
@@ -1303,6 +1303,11 @@ 
#define     V_038004_FMT_16_16_16_FLOAT                0x0000002E

#define     V_038004_FMT_32_32_32                      0x0000002F

#define     V_038004_FMT_32_32_32_FLOAT                0x00000030

#define     V_038004_FMT_BC1                           0x00000031

#define     V_038004_FMT_BC2                           0x00000032

#define     V_038004_FMT_BC3                           0x00000033

#define     V_038004_FMT_BC4                           0x00000034

#define     V_038004_FMT_BC5                           0x00000035

#define R_038010_SQ_TEX_RESOURCE_WORD4_0             0x038010

#define   S_038010_FORMAT_COMP_X(x)                    (((x) & 0x3) << 0)

#define   G_038010_FORMAT_COMP_X(x)                    (((x) >> 0) & 0x3)

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