For Vega20, LBPW feature is disabled at default.
Change-Id: I184520cbb03ab8cba9321cd94d1deb0ce38b7e17
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index dcf1f79ab347..5bb0cca5b71f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -2503,6 +2503,20 @@ 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)
--
2.19.1
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