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[2/3] drm/msm/a6xx: Skip snapshotting unused GMU buffers

Message ID 20221013225520.371226-3-robdclark@gmail.com
State New
Headers show
Series drm/msm/a6xx: devcore dump fixes | expand

Commit Message

Rob Clark Oct. 13, 2022, 10:55 p.m. UTC 
From: Rob Clark <robdclark@chromium.org>

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

Signed-off-by: Rob Clark <robdclark@chromium.org>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
index 730355f9e2d4..b0124d0f286c 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
@@ -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;