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drm/radeon/kms: optimize streamout checking for evergreen 

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Marek Olšák 2012-03-19 03:09:34 +01:00 committed by Dave Airlie
parent 7885713138
commit 7e9fa5f69f
1 changed files with 21 additions and 16 deletions
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37
drivers/gpu/drm/radeon/evergreen_cs.c
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@ -797,27 +797,32 @@ static int evergreen_cs_track_validate_texture(struct radeon_cs_parser *p,
static int evergreen_cs_track_check(struct radeon_cs_parser *p) static int evergreen_cs_track_check(struct radeon_cs_parser *p)
{ {
struct evergreen_cs_track *track = p->track; struct evergreen_cs_track *track = p->track;
unsigned tmp, i, j; unsigned tmp, i;
int r; int r;
unsigned buffer_mask = 0;
/* check streamout */ /* check streamout */
for (i = 0; i < 4; i++) { if (track->vgt_strmout_config) {
if (track->vgt_strmout_config & (1 << i)) { for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) { if (track->vgt_strmout_config & (1 << i)) {
if ((track->vgt_strmout_buffer_config >> (i * 4)) & (1 << j)) { buffer_mask |= (track->vgt_strmout_buffer_config >> (i * 4)) & 0xf;
if (track->vgt_strmout_bo[j]) { }
u64 offset = (u64)track->vgt_strmout_bo_offset[j] + }
(u64)track->vgt_strmout_size[j];
if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) { for (i = 0; i < 4; i++) {
DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n", if (buffer_mask & (1 << i)) {
j, offset, if (track->vgt_strmout_bo[i]) {
radeon_bo_size(track->vgt_strmout_bo[j])); u64 offset = (u64)track->vgt_strmout_bo_offset[i] +
return -EINVAL; (u64)track->vgt_strmout_size[i];
} if (offset > radeon_bo_size(track->vgt_strmout_bo[i])) {
} else { DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n",
dev_warn(p->dev, "No buffer for streamout %d\n", j); i, offset,
radeon_bo_size(track->vgt_strmout_bo[i]));
return -EINVAL; return -EINVAL;
} }
} else {
dev_warn(p->dev, "No buffer for streamout %d\n", i);
return -EINVAL;
} }
} }
} }