not needed anymore

Change-Id: I26b4b742acda4387ca25b86db83b8c9376ed4f3b
Signed-off-by: Hawking Zhang <hawking.zh...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c  | 8 ++++----
 drivers/gpu/drm/amd/include/cgs_common.h | 1 -
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
index 031b094..78ac6db 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
@@ -60,8 +60,6 @@ static uint32_t amdgpu_cgs_read_ind_register(struct 
cgs_device *cgs_device,
 {
        CGS_FUNC_ADEV;
        switch (space) {
-       case CGS_IND_REG__MMIO:
-               return RREG32_IDX(index);
        case CGS_IND_REG__PCIE:
                return RREG32_PCIE(index);
        case CGS_IND_REG__SMC:
@@ -77,6 +75,8 @@ static uint32_t amdgpu_cgs_read_ind_register(struct 
cgs_device *cgs_device,
        case CGS_IND_REG__AUDIO_ENDPT:
                DRM_ERROR("audio endpt register access not implemented.\n");
                return 0;
+       default:
+               BUG();
        }
        WARN(1, "Invalid indirect register space");
        return 0;
@@ -88,8 +88,6 @@ static void amdgpu_cgs_write_ind_register(struct cgs_device 
*cgs_device,
 {
        CGS_FUNC_ADEV;
        switch (space) {
-       case CGS_IND_REG__MMIO:
-               return WREG32_IDX(index, value);
        case CGS_IND_REG__PCIE:
                return WREG32_PCIE(index, value);
        case CGS_IND_REG__SMC:
@@ -105,6 +103,8 @@ static void amdgpu_cgs_write_ind_register(struct cgs_device 
*cgs_device,
        case CGS_IND_REG__AUDIO_ENDPT:
                DRM_ERROR("audio endpt register access not implemented.\n");
                return;
+       default:
+               BUG();
        }
        WARN(1, "Invalid indirect register space");
 }
diff --git a/drivers/gpu/drm/amd/include/cgs_common.h 
b/drivers/gpu/drm/amd/include/cgs_common.h
index a69deb3..60a6536 100644
--- a/drivers/gpu/drm/amd/include/cgs_common.h
+++ b/drivers/gpu/drm/amd/include/cgs_common.h
@@ -32,7 +32,6 @@ struct cgs_device;
  * enum cgs_ind_reg - Indirect register spaces
  */
 enum cgs_ind_reg {
-       CGS_IND_REG__MMIO,
        CGS_IND_REG__PCIE,
        CGS_IND_REG__SMC,
        CGS_IND_REG__UVD_CTX,
-- 
2.7.4

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