Comment # 94
on bug 110674
from Tom B
Reverting d1a3e239a6016f2bb42a91696056e223982e8538 didn't fix it for me. But
that commit may give some insight because it is related to uclk which is the
first error we get.
I also tried globally increasing usec_timeout as it's used in a few places
(patch below). This makes the PC take about a minute to boot up, so clearly the
GPU is in an invalid state before these timeouts are hit and then each
subsequent call to smum_send_msg_to_smc_with_parameter causes a delay because
each call times out. Whatever happens, puts the card into a state that it can't
recover from.
The next step is to try to find where vega20_set_uclk_to_highest_dpm_level is
called from and see what happens just before the call to this function.
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f4ac632a87b2..9b878c74b17e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2418,7 +2418,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
adev->pdev = pdev;
adev->flags = flags;
adev->asic_type = flags & AMD_ASIC_MASK;
- adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT;
+ adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT*10;
if (amdgpu_emu_mode == 1)
adev->usec_timeout *= 2;
adev->gmc.gart_size = 512 * 1024 * 1024;
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
index a7e8340baf90..a6b2bc4277ef 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
@@ -84,7 +84,7 @@ int hwmgr_early_init(struct pp_hwmgr *hwmgr)
if (!hwmgr)
return -EINVAL;
- hwmgr->usec_timeout = AMD_MAX_USEC_TIMEOUT;
+ hwmgr->usec_timeout = AMD_MAX_USEC_TIMEOUT*10;
hwmgr->pp_table_version = PP_TABLE_V1;
hwmgr->dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
hwmgr->request_dpm_level = AMD_DPM_FORCED_LEVEL_AUTO;
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