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authorEvan Quan <evan.quan@amd.com>2018-11-02 17:21:17 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-11-07 17:05:56 -0500
commit3482d2d9b0fb4340faa23a4967f69da047fa291c (patch)
treea7d84b1903a07b33a9f9dc01d0bd7bcabc394009 /drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
parentdrm/amd/powerplay: always use fast UCLK switching when UCLK DPM enabled (diff)
downloadlinux-dev-3482d2d9b0fb4340faa23a4967f69da047fa291c.tar.xz
linux-dev-3482d2d9b0fb4340faa23a4967f69da047fa291c.zip
drm/amdgpu: set Vega20 LBPW as disabled at default
For Vega20, LBPW feature is disabled at default. Signed-off-by: Evan Quan <evan.quan@amd.com> Reviewed-by: Feifei Xu <Feifei.Xu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 928034ce7994..7abefb80f93d 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -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)