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| author | Evan Quan <evan.quan@amd.com> | 2023-06-15 05:03:49 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-23 21:46:22 +0200 |
| commit | 1af3d0a8e8b8db855ee3c98d210f8ee01b2bb80f (patch) | |
| tree | 1d668ccba4d2b6014071165fda79a62136ce4c3c /drivers | |
| parent | drm/amd/display: 3.2.240 (diff) | |
| download | linux-1af3d0a8e8b8db855ee3c98d210f8ee01b2bb80f.tar.xz linux-1af3d0a8e8b8db855ee3c98d210f8ee01b2bb80f.zip | |
drm/amd/pm: update the LC_L1_INACTIVITY setting to address possible noise issue
It is proved that insufficient LC_L1_INACTIVITY setting can cause audio
noise on some platform. With the LC_L1_INACTIVITY increased to 4ms, the
issue can be resolved.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c index 7ba47fc1917b..4038455d7998 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v2_3.c @@ -345,7 +345,7 @@ static void nbio_v2_3_init_registers(struct amdgpu_device *adev) } #define NAVI10_PCIE__LC_L0S_INACTIVITY_DEFAULT 0x00000000 // off by default, no gains over L1 -#define NAVI10_PCIE__LC_L1_INACTIVITY_DEFAULT 0x00000009 // 1=1us, 9=1ms +#define NAVI10_PCIE__LC_L1_INACTIVITY_DEFAULT 0x0000000A // 1=1us, 9=1ms, 10=4ms #define NAVI10_PCIE__LC_L1_INACTIVITY_TBT_DEFAULT 0x0000000E // 400ms static void nbio_v2_3_enable_aspm(struct amdgpu_device *adev, |