drm/amdgpu: Remove unused NBIO interface

Set compute partition mode interface in NBIO is no longer used. Remove
the only implementation from NBIO v7.9

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: Lijo Lazar

drivers/gpu/drm/amd/amdgpu/amdgpu_nbio.h

@@ -99,8 +99,6 @@ struct amdgpu_nbio_funcs {
 	int (*get_compute_partition_mode)(struct amdgpu_device *adev);
 	u32 (*get_memory_partition_mode)(struct amdgpu_device *adev,
 					 u32 *supp_modes);
-	void (*set_compute_partition_mode)(struct amdgpu_device *adev,
-					   enum amdgpu_gfx_partition mode);
 };
 
 struct amdgpu_nbio {

drivers/gpu/drm/amd/amdgpu/nbio_v7_9.c

@@ -393,19 +393,6 @@ static int nbio_v7_9_get_compute_partition_mode(struct amdgpu_device *adev)
 	return px;
 }
 
-static void nbio_v7_9_set_compute_partition_mode(struct amdgpu_device *adev,
-					enum amdgpu_gfx_partition mode)
-{
-	u32 tmp;
-
-	/* SPX=0, DPX=1, TPX=2, QPX=3, CPX=4 */
-	tmp = RREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_COMPUTE_STATUS);
-	tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_PARTITION_COMPUTE_STATUS,
-			    PARTITION_MODE, mode);
-
-	WREG32_SOC15(NBIO, 0, regBIF_BX_PF0_PARTITION_COMPUTE_STATUS, tmp);
-}
-
 static u32 nbio_v7_9_get_memory_partition_mode(struct amdgpu_device *adev,
 					       u32 *supp_modes)
 {
@@ -461,7 +448,6 @@ const struct amdgpu_nbio_funcs nbio_v7_9_funcs = {
 	.ih_control = nbio_v7_9_ih_control,
 	.remap_hdp_registers = nbio_v7_9_remap_hdp_registers,
 	.get_compute_partition_mode = nbio_v7_9_get_compute_partition_mode,
-	.set_compute_partition_mode = nbio_v7_9_set_compute_partition_mode,
 	.get_memory_partition_mode = nbio_v7_9_get_memory_partition_mode,
 	.init_registers = nbio_v7_9_init_registers,
 };