drm/amdgpu: Use PSP FW API for partition switch

Use PSP firmware interface for switching compute partitions.

Signed-off-by: Lijo Lazar <[email protected]>
Reviewed-by: Hawking Zhang <[email protected]>
Reviewed-by: Le Ma <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

1 files changed, 6 insertions, 12 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index f5b8d3f388ff..c1ee54d4c3d3 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -623,22 +623,16 @@ static void gfx_v9_4_3_select_me_pipe_q(struct amdgpu_device *adev,
 static int gfx_v9_4_3_switch_compute_partition(struct amdgpu_device *adev,
 						int num_xccs_per_xcp)
 {
-	int i, num_xcc;
-	u32 tmp = 0;
-
-	num_xcc = NUM_XCC(adev->gfx.xcc_mask);
+	int ret;
 
-	for (i = 0; i < num_xcc; i++) {
-		tmp = REG_SET_FIELD(tmp, CP_HYP_XCP_CTL, NUM_XCC_IN_XCP,
-				    num_xccs_per_xcp);
-		tmp = REG_SET_FIELD(tmp, CP_HYP_XCP_CTL, VIRTUAL_XCC_ID,
-				    i % num_xccs_per_xcp);
-		WREG32_SOC15(GC, GET_INST(GC, i), regCP_HYP_XCP_CTL, tmp);
-	}
+	ret = psp_spatial_partition(&adev->psp, NUM_XCC(adev->gfx.xcc_mask) /
+							num_xccs_per_xcp);
+	if (ret)
+		return ret;
 
 	adev->gfx.num_xcc_per_xcp = num_xccs_per_xcp;
 
-	return 0;
+	return ret;
 }
 
 static int gfx_v9_4_3_ih_to_xcc_inst(struct amdgpu_device *adev, int ih_node)