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| author | Lucas Stach <l.stach@pengutronix.de> | 2023-06-07 16:02:23 +0300 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2023-07-17 12:32:34 +0300 |
| commit | 9ec2afde83c18e205b6c38335b5e6bedf913ba76 (patch) | |
| tree | 8df20a39123496676e66f382f140b9f26616c5fc /drivers/gpu/drm/etnaviv | |
| parent | e116be254aaa257d6bec534a39b26513c1798074 (diff) | |
| download | linux-9ec2afde83c18e205b6c38335b5e6bedf913ba76.tar.xz | |
drm/etnaviv: expedited MMU fault handling
The GPU is halted when it hits a MMU exception, so there is no point in
waiting for the job timeout to expire or try to work out if the GPU is
still making progress in the timeout handler, as we know that the GPU
won't make any more progress.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Christian Gmeiner <cgmeiner@igalia.com>
Diffstat (limited to 'drivers/gpu/drm/etnaviv')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gpu.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_sched.c | 5 |
3 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 53050cf68e1b..f54f12090685 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -1539,6 +1539,8 @@ static irqreturn_t irq_handler(int irq, void *data) if (intr & VIVS_HI_INTR_ACKNOWLEDGE_MMU_EXCEPTION) { dump_mmu_fault(gpu); + gpu->state = ETNA_GPU_STATE_FAULT; + drm_sched_fault(&gpu->sched); intr &= ~VIVS_HI_INTR_ACKNOWLEDGE_MMU_EXCEPTION; } diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h index 85c669dba88e..197e0037732e 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h @@ -101,6 +101,7 @@ enum etnaviv_gpu_state { ETNA_GPU_STATE_RESET, ETNA_GPU_STATE_INITIALIZED, ETNA_GPU_STATE_RUNNING, + ETNA_GPU_STATE_FAULT, }; struct etnaviv_gpu { diff --git a/drivers/gpu/drm/etnaviv/etnaviv_sched.c b/drivers/gpu/drm/etnaviv/etnaviv_sched.c index 1ae87dfd19c4..345fec6cb1a4 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_sched.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.c @@ -55,8 +55,9 @@ static enum drm_gpu_sched_stat etnaviv_sched_timedout_job(struct drm_sched_job */ dma_addr = gpu_read(gpu, VIVS_FE_DMA_ADDRESS); change = dma_addr - gpu->hangcheck_dma_addr; - if (gpu->completed_fence != gpu->hangcheck_fence || - change < 0 || change > 16) { + if (gpu->state == ETNA_GPU_STATE_RUNNING && + (gpu->completed_fence != gpu->hangcheck_fence || + change < 0 || change > 16)) { gpu->hangcheck_dma_addr = dma_addr; gpu->hangcheck_fence = gpu->completed_fence; goto out_no_timeout; |