drm/amdgpu: remove bogus check in gfx8 rb setup

Always respect the harvest configuration as is.

Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 7b683fb2173c728fff760c926f1204b3897b4eae..1c7c992dea37a446d66baa91bb25ad60967915e6 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -1813,10 +1813,7 @@ static u32 gfx_v8_0_get_rb_disabled(struct amdgpu_device *adev,
        u32 data, mask;
 
        data = RREG32(mmCC_RB_BACKEND_DISABLE);
-       if (data & 1)
-               data &= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE_MASK;
-       else
-               data = 0;
+       data &= CC_RB_BACKEND_DISABLE__BACKEND_DISABLE_MASK;
 
        data |= RREG32(mmGC_USER_RB_BACKEND_DISABLE);