drm/amdgpu: use VCN firmware offset for cache window

Since we are using the signed FW now, and also using PSP firmware loading,
but it's still potential to break driver when loading FW directly
instead of PSP, so we should add offset.

Signed-off-by: Leo Liu <leo.liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
index 988c0adaca916e797d42b236ad39a487adf013a4..1cfc2620b2dd46b4105d5e69bae8e55551f1905b 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
@@ -372,11 +372,8 @@ static void vcn_v2_0_mc_resume(struct amdgpu_device *adev)
                WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
                        upper_32_bits(adev->vcn.gpu_addr));
                offset = size;
-               /* No signed header for now from firmware
                WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0,
                        AMDGPU_UVD_FIRMWARE_OFFSET >> 3);
-               */
-               WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 0);
        }
 
        WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size);