[PATCH v2 07/14] drm/msm/a6xx: Bail out early if setting GPU OOB fails

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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.

Tested-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> # on SM8550-QRD
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> # sm8450
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
---
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
index 6dd6d72bcd86..d4e85e24002f 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 */

-- 
2.41.0




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