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freedreno: Synchronize batch and flush for staging resource

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Staging blit downloads would wait on the src resource instead of the
staging resource and didn't make sure to submit the blit batch first.

Signed-off-by: Kristian H. Kristensen <hoegsberg@chromium.org>
Reviewed-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Kristian H. Kristensen 2019-01-17 11:32:14 -08:00
parent 64b8c86d37
commit 60c6778dda
1 changed files with 15 additions and 1 deletions
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16
src/gallium/drivers/freedreno/freedreno_resource.c
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@ -498,7 +498,21 @@ fd_resource_transfer_map(struct pipe_context *pctx,
if (usage & PIPE_TRANSFER_READ) {
fd_blit_to_staging(ctx, trans);
fd_bo_cpu_prep(rsc->bo, ctx->pipe, DRM_FREEDRENO_PREP_READ);
struct fd_batch *batch = NULL;
fd_batch_reference(&batch, staging_rsc->write_batch);
/* we can't fd_bo_cpu_prep() until the blit to staging
* is submitted to kernel.. in that case write_batch
* wouldn't be NULL yet:
*/
if (batch) {
fd_batch_sync(batch);
fd_batch_reference(&batch, NULL);
}
fd_bo_cpu_prep(staging_rsc->bo, ctx->pipe,
DRM_FREEDRENO_PREP_READ);
}
buf = fd_bo_map(staging_rsc->bo);