From e0972f8c21d2f1683329e7dddb45b0ed0a1b2fd9 Mon Sep 17 00:00:00 2001 From: Peng Ju Zhou Date: Fri, 23 Apr 2021 13:36:18 +0800 Subject: [PATCH] drm/amdgpu: Skip the program of GRBM_CAM* in SRIOV KMD should not the program these registers, so skip them in the SRIOV environment. Signed-off-by: Peng Ju Zhou Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index 2408ed4c7d84..bee5791f8980 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -7114,6 +7114,9 @@ static void gfx_v10_0_setup_grbm_cam_remapping(struct amdgpu_device *adev) { uint32_t data; + if (amdgpu_sriov_vf(adev)) + return; + /* initialize cam_index to 0 * index will auto-inc after each data writting */ WREG32_SOC15(GC, 0, mmGRBM_CAM_INDEX, 0); -- 2.11.0