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drm/msm/a6xx: Skip snapshotting unused GMU buffers

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Some buffers are unused on certain sub-generations of a6xx.  So just
skip them.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/507013/
Link: https://lore.kernel.org/r/20221013225520.371226-3-robdclark@gmail.com
This commit is contained in:
Rob Clark 2022-10-13 15:55:14 -07:00
parent 83d18e9d9c
commit fab384c496
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
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@ -813,6 +813,9 @@ static struct msm_gpu_state_bo *a6xx_snapshot_gmu_bo(
{
struct msm_gpu_state_bo *snapshot;
if (!bo->size)
return NULL;
snapshot = state_kcalloc(a6xx_state, 1, sizeof(*snapshot));
if (!snapshot)
return NULL;