Signed-off-by: Marek Olšák maraeo@gmail.com --- drivers/gpu/drm/radeon/evergreen_cs.c | 37 ++++++++++++++++++-------------- 1 files changed, 21 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index b39a089..0427b96 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -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) { struct evergreen_cs_track *track = p->track; - unsigned tmp, i, j; + unsigned tmp, i; int r; + unsigned buffer_mask = 0;
/* check streamout */ - for (i = 0; i < 4; i++) { - if (track->vgt_strmout_config & (1 << i)) { - for (j = 0; j < 4; j++) { - if ((track->vgt_strmout_buffer_config >> (i * 4)) & (1 << j)) { - 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])) { - DRM_ERROR("streamout %d bo too small: 0x%llx, 0x%lx\n", - j, offset, - radeon_bo_size(track->vgt_strmout_bo[j])); - return -EINVAL; - } - } else { - dev_warn(p->dev, "No buffer for streamout %d\n", j); + if (track->vgt_strmout_config) { + for (i = 0; i < 4; i++) { + if (track->vgt_strmout_config & (1 << i)) { + buffer_mask |= (track->vgt_strmout_buffer_config >> (i * 4)) & 0xf; + } + } + + for (i = 0; i < 4; i++) { + if (buffer_mask & (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; } } }