| Message ID | 20220302225551.v1.7.I55e39e28375b64455d1605f67453d5e91b0c2710@changeid |
|---|---|
| State | New |
| Headers | show |
| Series | Support for GMU coredump and some related improvements | expand |
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 89cfd84..abcc553 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -603,8 +603,16 @@ static const struct of_device_id dt_match[] = { static int adreno_resume(struct device *dev) { struct msm_gpu *gpu = dev_to_gpu(dev); + int ret; + + /* What hope do we have for the future if we can't turn ON gpu */ + while (true) { + ret = gpu->funcs->pm_resume(gpu); + if (!ret) + break; + } - return gpu->funcs->pm_resume(gpu); + return 0; } static int active_submits(struct msm_gpu *gpu)
Retry infinitely on resume failure because there is nothing much we can do if GPU is not ON. Also, this helps us to avoid checking for the return value of pm_runtime_get() to see if GPU is ON. Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com> --- drivers/gpu/drm/msm/adreno/adreno_device.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)