drm/amdgpu: add read/write function for GC CAC programming

Create a GC_CAC_IND_INDEX/DATA pair of funcitons to program
all the CAC registers

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index f4130501c624..5556ce979199 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -312,6 +312,8 @@ static uint32_t amdgpu_cgs_read_ind_register(struct cgs_device *cgs_device,
                 return RREG32_UVD_CTX(index);
         case CGS_IND_REG__DIDT:
                 return RREG32_DIDT(index);
+        case CGS_IND_REG_GC_CAC:
+                return RREG32_GC_CAC(index);
         case CGS_IND_REG__AUDIO_ENDPT:
                 DRM_ERROR("audio endpt register access not implemented.\n");
                 return 0;
@@ -336,6 +338,8 @@ static void amdgpu_cgs_write_ind_register(struct cgs_device *cgs_device,
                 return WREG32_UVD_CTX(index, value);
         case CGS_IND_REG__DIDT:
                 return WREG32_DIDT(index, value);
+        case CGS_IND_REG_GC_CAC:
+                return WREG32_GC_CAC(index, value);
         case CGS_IND_REG__AUDIO_ENDPT:
                 DRM_ERROR("audio endpt register access not implemented.\n");
                 return;