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drm/amd/pm: avoid unintentional shutdown due to temperature momentary fluctuation

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An intentional delay is added on soft ctf triggered. Then there will
be a double check for the GPU temperature before taking further
action. This can avoid unintended shutdown due to temperature
momentary fluctuation.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan
2023-05-04 17:09:39 +08:00
committed by Alex Deucher
parent 064329c595
commit b75efe88b2
8 changed files with 102 additions and 32 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu.h
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@@ -286,6 +286,9 @@ extern int amdgpu_user_partt_mode;
#define AMDGPU_SMARTSHIFT_MAX_BIAS (100)
#define AMDGPU_SMARTSHIFT_MIN_BIAS (-100)
/* Extra time delay(in ms) to eliminate the influence of temperature momentary fluctuation */
#define AMDGPU_SWCTF_EXTRA_DELAY 50
struct amdgpu_xcp_mgr;
struct amdgpu_device;
struct amdgpu_irq_src;