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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c6
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_job.c5
3 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 2b1990ea9639..2a9a41f4e748 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1192,6 +1192,7 @@ struct amdgpu_device {
bool debug_use_vram_fw_buf;
bool debug_enable_ras_aca;
bool debug_exp_resets;
+ bool debug_disable_gpu_ring_reset;
bool enforce_isolation[MAX_XCP];
/* Added this mutex for cleaner shader isolation between GFX and compute processes */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 1819166cb4cf..8c1aa9feda53 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -137,6 +137,7 @@ enum AMDGPU_DEBUG_MASK {
AMDGPU_DEBUG_USE_VRAM_FW_BUF = BIT(3),
AMDGPU_DEBUG_ENABLE_RAS_ACA = BIT(4),
AMDGPU_DEBUG_ENABLE_EXP_RESETS = BIT(5),
+ AMDGPU_DEBUG_DISABLE_GPU_RING_RESET = BIT(6),
};
unsigned int amdgpu_vram_limit = UINT_MAX;
@@ -2223,6 +2224,11 @@ static void amdgpu_init_debug_options(struct amdgpu_device *adev)
pr_info("debug: enable experimental reset features\n");
adev->debug_exp_resets = true;
}
+
+ if (amdgpu_debug_mask & AMDGPU_DEBUG_DISABLE_GPU_RING_RESET) {
+ pr_info("debug: ring reset disabled\n");
+ adev->debug_disable_gpu_ring_reset = true;
+ }
}
static unsigned long amdgpu_fix_asic_type(struct pci_dev *pdev, unsigned long flags)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
index c37bc683253a..5537c8bfd227 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.c
@@ -131,8 +131,9 @@ static enum drm_gpu_sched_stat amdgpu_job_timedout(struct drm_sched_job *s_job)
}
/* attempt a per ring reset */
- if (amdgpu_gpu_recovery &&
- ring->funcs->reset) {
+ if (unlikely(adev->debug_disable_gpu_ring_reset)) {
+ dev_err(adev->dev, "Ring reset disabled by debug mask\n");
+ } else if (amdgpu_gpu_recovery && ring->funcs->reset) {
bool is_guilty;
dev_err(adev->dev, "Starting %s ring reset\n", s_job->sched->name);