[PATCH 4/5] drm/radeon/kms: fix CS alignment checking for tiling
Alex Deucher
alexdeucher at gmail.com
Tue May 25 16:05:40 PDT 2010
Covers, depth, cb, and textures. Hopefully I got this right.
Signed-off-by: Alex Deucher <alexdeucher at gmail.com>
---
drivers/gpu/drm/radeon/r600_cs.c | 172 ++++++++++++++++++++++++++++++-------
1 files changed, 139 insertions(+), 33 deletions(-)
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index 5cab1b4..133f0da 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -25,6 +25,7 @@
* Alex Deucher
* Jerome Glisse
*/
+#include <linux/kernel.h>
#include "drmP.h"
#include "radeon.h"
#include "r600d.h"
@@ -166,7 +167,7 @@ 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, pitch, slice_tile_max, size, tmp, height;
+ u32 bpe = 0, pitch, slice_tile_max, size, tmp, height, pitch_align;
volatile u32 *ib = p->ib->ptr;
if (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
@@ -180,56 +181,67 @@ static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
i, track->cb_color_info[i]);
return -EINVAL;
}
- pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) << 3;
+ /* pitch is the number of 8x8 tiles per row */
+ pitch = G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1;
slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
if (!pitch) {
dev_warn(p->dev, "%s:%d cb pitch (%d) for %d invalid (0x%08X)\n",
__func__, __LINE__, pitch, i, track->cb_color_size[i]);
return -EINVAL;
}
- height = size / (pitch * bpe);
+ height = size / (pitch * 8 * bpe);
if (height > 8192)
height = 8192;
+ height &= ~0x7;
+ if (!height)
+ height = 8;
switch (G_0280A0_ARRAY_MODE(track->cb_color_info[i])) {
case V_0280A0_ARRAY_LINEAR_GENERAL:
- case V_0280A0_ARRAY_LINEAR_ALIGNED:
- if (pitch & 0x3f) {
- dev_warn(p->dev, "%s:%d cb pitch (%d x %d = %d) invalid\n",
- __func__, __LINE__, pitch, bpe, pitch * bpe);
+ if (height & 0x7) {
+ dev_warn(p->dev, "%s:%d cb height (%d) invalid\n",
+ __func__, __LINE__, height);
return -EINVAL;
}
- if ((pitch * bpe) & (track->group_size - 1)) {
+ break;
+ case V_0280A0_ARRAY_LINEAR_ALIGNED:
+ pitch_align = (max((u32)64, (u32)(track->group_size / bpe)) / 8) - 1;
+ if (pitch & pitch_align) {
dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
- __func__, __LINE__, pitch);
+ __func__, __LINE__, pitch);
+ return -EINVAL;
+ }
+ if (height & 0x7) {
+ dev_warn(p->dev, "%s:%d cb height (%d) invalid\n",
+ __func__, __LINE__, height);
return -EINVAL;
}
break;
case V_0280A0_ARRAY_1D_TILED_THIN1:
- if ((pitch * 8 * bpe * track->nsamples) & (track->group_size - 1)) {
+ pitch_align = (max((u32)8, (u32)(track->group_size / (8 * bpe * track->nsamples))) / 8) - 1;
+ if (pitch & pitch_align) {
dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
- __func__, __LINE__, pitch);
+ __func__, __LINE__, pitch);
+ return -EINVAL;
+ }
+ if (height & 0x7) {
+ dev_warn(p->dev, "%s:%d cb height (%d) invalid\n",
+ __func__, __LINE__, height);
return -EINVAL;
}
- height &= ~0x7;
- if (!height)
- height = 8;
break;
case V_0280A0_ARRAY_2D_TILED_THIN1:
- if (pitch & ((8 * track->nbanks) - 1)) {
+ pitch_align = max((u32)track->nbanks,
+ (u32)(((track->group_size / 8) / (bpe * track->nsamples)) * track->nbanks)) - 1;
+ if (pitch & pitch_align) {
dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
__func__, __LINE__, pitch);
return -EINVAL;
}
- tmp = pitch * 8 * bpe * track->nsamples;
- tmp = tmp / track->nbanks;
- if (tmp & (track->group_size - 1)) {
- dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
- __func__, __LINE__, pitch);
+ if ((height / 8) & (track->nbanks - 1)) {
+ dev_warn(p->dev, "%s:%d cb height (%d) invalid\n",
+ __func__, __LINE__, height);
return -EINVAL;
}
- height &= ~((16 * track->npipes) - 1);
- if (!height)
- height = 16 * track->npipes;
break;
default:
dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
@@ -238,16 +250,20 @@ static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
return -EINVAL;
}
/* check offset */
- tmp = height * pitch;
+ tmp = height * pitch * 8;
if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
dev_warn(p->dev, "%s offset[%d] %d to big\n", __func__, i, track->cb_color_bo_offset[i]);
return -EINVAL;
}
+ if (track->cb_color_bo_offset[i] & (track->group_size - 1)) {
+ dev_warn(p->dev, "%s offset[%d] %d not aligned\n", __func__, i, track->cb_color_bo_offset[i]);
+ return -EINVAL;
+ }
/* limit max tile */
- tmp = (height * pitch) >> 6;
+ tmp = (height * pitch * 8) >> 6;
if (tmp < slice_tile_max)
slice_tile_max = tmp;
- tmp = S_028060_PITCH_TILE_MAX((pitch >> 3) - 1) |
+ tmp = S_028060_PITCH_TILE_MAX(pitch - 1) |
S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
ib[track->cb_color_size_idx[i]] = tmp;
return 0;
@@ -289,7 +305,7 @@ static int r600_cs_track_check(struct radeon_cs_parser *p)
/* Check depth buffer */
if (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
G_028800_Z_ENABLE(track->db_depth_control)) {
- u32 nviews, bpe, ntiles;
+ u32 nviews, bpe, ntiles, pitch, pitch_align, height, size;
if (track->db_bo == NULL) {
dev_warn(p->dev, "z/stencil with no depth buffer\n");
return -EINVAL;
@@ -332,6 +348,51 @@ static int r600_cs_track_check(struct radeon_cs_parser *p)
}
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 = G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1;
+ height = size / (pitch * 8 * bpe);
+ height &= ~0x7;
+ if (!height)
+ height = 8;
+
+ switch (G_028010_ARRAY_MODE(track->db_depth_info)) {
+ case V_028010_ARRAY_1D_TILED_THIN1:
+ pitch_align = (max((u32)8, (u32)(track->group_size / (8 * bpe))) / 8) - 1;
+ if (pitch & pitch_align) {
+ dev_warn(p->dev, "%s:%d db pitch (%d) invalid\n",
+ __func__, __LINE__, pitch);
+ return -EINVAL;
+ }
+ if (height & 0x7) {
+ dev_warn(p->dev, "%s:%d db height (%d) invalid\n",
+ __func__, __LINE__, height);
+ return -EINVAL;
+ }
+ break;
+ case V_028010_ARRAY_2D_TILED_THIN1:
+ pitch_align = max((u32)track->nbanks,
+ (u32)(((track->group_size / 8) / bpe) * track->nbanks)) - 1;
+ if (pitch & pitch_align) {
+ dev_warn(p->dev, "%s:%d db pitch (%d) invalid\n",
+ __func__, __LINE__, pitch);
+ return -EINVAL;
+ }
+ if ((height / 8) & (track->nbanks - 1)) {
+ dev_warn(p->dev, "%s:%d db height (%d) invalid\n",
+ __func__, __LINE__, height);
+ return -EINVAL;
+ }
+ 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 (track->db_offset & (track->group_size - 1)) {
+ dev_warn(p->dev, "%s offset[%d] %d not aligned\n", __func__, i, track->db_offset);
+ 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;
@@ -982,8 +1043,9 @@ static inline unsigned minify(unsigned size, unsigned levels)
}
static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned nlevels,
- unsigned w0, unsigned h0, unsigned d0, unsigned bpe,
- unsigned *l0_size, unsigned *mipmap_size)
+ unsigned w0, unsigned h0, unsigned d0, unsigned bpe,
+ unsigned pitch_align,
+ unsigned *l0_size, unsigned *mipmap_size)
{
unsigned offset, i, level, face;
unsigned width, height, depth, rowstride, size;
@@ -996,13 +1058,13 @@ static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned nlevels
height = minify(h0, i);
depth = minify(d0, i);
for(face = 0; face < nfaces; face++) {
- rowstride = ((width * bpe) + 255) & ~255;
+ rowstride = ((width * bpe) + pitch_align) & ~pitch_align;
size = height * rowstride * depth;
offset += size;
offset = (offset + 0x1f) & ~0x1f;
}
}
- *l0_size = (((w0 * bpe) + 255) & ~255) * h0 * d0;
+ *l0_size = (((w0 * bpe) + pitch_align) & ~pitch_align) * h0 * d0;
*mipmap_size = offset;
if (!blevel)
*mipmap_size -= *l0_size;
@@ -1025,8 +1087,9 @@ static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 i
struct radeon_bo *mipmap,
u32 tiling_flags)
{
+ struct r600_cs_track *track = p->track;
u32 nfaces, nlevels, blevel, w0, h0, d0, bpe = 0;
- u32 word0, word1, l0_size, mipmap_size;
+ u32 word0, word1, l0_size, mipmap_size, pitch, pitch_align;
/* on legacy kernel we don't perform advanced check */
if (p->rdev == NULL)
@@ -1063,11 +1126,54 @@ static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 i
__func__, __LINE__, G_038004_DATA_FORMAT(word1));
return -EINVAL;
}
+
+ pitch = G_038000_PITCH(word0) + 1;
+ switch (G_038000_TILE_MODE(word0)) {
+ case V_038000_ARRAY_LINEAR_GENERAL:
+ /* XXX check height align */
+ break;
+ case V_038000_ARRAY_LINEAR_ALIGNED:
+ pitch_align = (max((u32)64, (u32)(track->group_size / bpe)) / 8) - 1;
+ if (pitch & pitch_align) {
+ dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n",
+ __func__, __LINE__, pitch);
+ return -EINVAL;
+ }
+ /* XXX check height align */
+ break;
+ case V_038000_ARRAY_1D_TILED_THIN1:
+ pitch_align = (max((u32)8, (u32)(track->group_size / (8 * bpe))) / 8) - 1;
+ if (pitch & pitch_align) {
+ dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n",
+ __func__, __LINE__, pitch);
+ return -EINVAL;
+ }
+ /* XXX check height align */
+ break;
+ case V_038000_ARRAY_2D_TILED_THIN1:
+ pitch_align = max((u32)track->nbanks,
+ (u32)(((track->group_size / 8) / bpe) * track->nbanks)) - 1;
+ if (pitch & pitch_align) {
+ dev_warn(p->dev, "%s:%d tex pitch (%d) invalid\n",
+ __func__, __LINE__, pitch);
+ return -EINVAL;
+ }
+ /* XXX check height align */
+ break;
+ default:
+ dev_warn(p->dev, "%s invalid tiling %d (0x%08X)\n", __func__,
+ G_038000_TILE_MODE(word0), word0);
+ return -EINVAL;
+ }
+ /* XXX check offset align */
+
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, &l0_size, &mipmap_size);
+ r600_texture_size(nfaces, blevel, nlevels, w0, h0, d0, bpe,
+ (pitch_align * bpe) - 1,
+ &l0_size, &mipmap_size);
/* using get ib will give us the offset into the texture bo */
word0 = radeon_get_ib_value(p, idx + 2);
if ((l0_size + word0) > radeon_bo_size(texture)) {
--
1.5.6.3
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