diff options
Diffstat (limited to 'drivers/gpu/msm/kgsl_pwrctrl.c')
| -rw-r--r-- | drivers/gpu/msm/kgsl_pwrctrl.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/msm/kgsl_pwrctrl.c b/drivers/gpu/msm/kgsl_pwrctrl.c index 1baf20e38c2d..a4e966bd022d 100644 --- a/drivers/gpu/msm/kgsl_pwrctrl.c +++ b/drivers/gpu/msm/kgsl_pwrctrl.c @@ -2795,6 +2795,25 @@ _aware(struct kgsl_device *device) WARN_ONCE(1, "Failed to recover GMU\n"); if (device->snapshot) device->snapshot->recovered = false; + /* + * On recovery failure, we are clearing + * GMU_FAULT bit and also not keeping + * the state as RESET to make sure any + * attempt to wake GMU/GPU after this + * is treated as a fresh start. But on + * recovery failure, GMU HS, clocks and + * IRQs are still ON/enabled because of + * which next GMU/GPU wakeup results in + * multiple warnings from GMU start as HS, + * clocks and IRQ were ON while doing a + * fresh start i.e. wake from SLUMBER. + * + * Suspend the GMU on recovery failure + * to make sure next attempt to wake up + * GMU/GPU is indeed a fresh start. + */ + gmu_suspend(device); + gmu->unrecovered = true; kgsl_pwrctrl_set_state(device, state); } else { if (device->snapshot) |