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drm/amdgpu: refine codes to avoid reentering GPU recovery

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if other threads have holden the reset lock, recovery will
fail to try_lock. Therefore we introduce atomic hive->in_reset
and adev->in_gpu_reset, to avoid reentering GPU recovery.

v2:
drop "? true : false" in the definition of amdgpu_in_reset

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Dennis Li <Dennis.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dennis Li
2020-08-19 17:23:03 +08:00
committed by Alex Deucher
parent c9977dffcc
commit 53b3f8f40e
28 changed files with 127 additions and 122 deletions
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2
drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c
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@@ -489,7 +489,7 @@ static int vega20_setup_asic_task(struct pp_hwmgr *hwmgr)
{
struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr->adev);
int ret = 0;
bool use_baco = (adev->in_gpu_reset &&
bool use_baco = (amdgpu_in_reset(adev) &&
(amdgpu_asic_reset_method(adev) == AMD_RESET_METHOD_BACO)) ||
(adev->in_runpm && amdgpu_asic_supports_baco(adev));