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drm/amdgpu: set Vega20 LBPW as disabled at default

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For Vega20, LBPW feature is disabled at default.

Signed-off-by: Evan Quan <[email protected]>
Reviewed-by: Feifei Xu <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
This commit is contained in:
Evan Quan 2018-11-02 17:21:17 +08:00 • committed by Alex Deucher
commit 3482d2d9b0
1 changed files with 14 additions and 0 deletions
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14
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
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@ -2499,6 +2499,20 @@ static int gfx_v9_0_rlc_resume(struct amdgpu_device *adev)
return r;
}
if (amdgpu_lbpw == -1) {
switch (adev->asic_type) {
case CHIP_RAVEN:
amdgpu_lbpw = 1;
break;
case CHIP_VEGA20:
amdgpu_lbpw = 0;
break;
default:
amdgpu_lbpw = 0;
break;
}
}
if (adev->asic_type == CHIP_RAVEN ||
adev->asic_type == CHIP_VEGA20) {
if (amdgpu_lbpw != 0)