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[07/14] drm/msm/a6xx: Bail out early if setting GPU OOB fails

Message ID 20230628-topic-a7xx_drmmsm-v1-7-a7f4496e0c12@linaro.org
State Superseded
Headers show
Series [01/14] dt-bindings: display/msm/gmu: Add Adreno 7[34]0 GMU | expand

Commit Message

Konrad Dybcio June 28, 2023, 8:35 p.m. UTC
If the GMU can't guarantee the required resources are up, trying to
bring up the GPU is a lost cause. Return early if setting GPU OOB
fails.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index c1c76fe288b2..7c8345ae1a30 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
@@ -1201,7 +1201,9 @@  static int hw_init(struct msm_gpu *gpu)
 
 	if (!adreno_has_gmu_wrapper(adreno_gpu)) {
 		/* Make sure the GMU keeps the GPU on while we set it up */
-		a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET);
+		ret = a6xx_gmu_set_oob(&a6xx_gpu->gmu, GMU_OOB_GPU_SET);
+		if (ret)
+			return ret;
 	}
 
 	/* Clear GBIF halt in case GX domain was not collapsed */