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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@linaro.org> # on SM8550-QRD
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> # sm8450
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/551830/
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Konrad Dybcio
2023-08-08 23:02:45 +02:00
committed by Rob Clark
parent c5597e58a5
commit 34b149ecae
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/msm/adreno/a6xx_gpu.c
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@@ -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 */