From: James Zhu <james....@amd.com>

Use dummy register 0xDEADBEEF selects AID for PSP VCN_RAM ucode.

Signed-off-by: James Zhu <james....@amd.com>
Reviewed-by: Sonny Jiang <sonny.ji...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c 
b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
index 49b07843efd1..759f64a4acf4 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
@@ -681,9 +681,15 @@ static int vcn_v4_0_3_start_dpg_mode(struct amdgpu_device 
*adev, int inst_idx, b
        tmp |= UVD_POWER_STATUS__UVD_PG_EN_MASK;
        WREG32_SOC15(VCN, vcn_inst, regUVD_POWER_STATUS, tmp);
 
-       if (indirect)
+       if (indirect) {
+               DRM_DEV_DEBUG(adev->dev, "VCN %d start: on AID %d",
+                       inst_idx, adev->vcn.inst[inst_idx].aid_id);
                adev->vcn.inst[inst_idx].dpg_sram_curr_addr =
                                (uint32_t 
*)adev->vcn.inst[inst_idx].dpg_sram_cpu_addr;
+               /* Use dummy register 0xDEADBEEF passing AID selection to PSP 
FW */
+               WREG32_SOC15_DPG_MODE(inst_idx, 0xDEADBEEF,
+                       adev->vcn.inst[inst_idx].aid_id, 0, true);
+       }
 
        /* enable clock gating */
        vcn_v4_0_3_disable_clock_gating_dpg_mode(adev, 0, inst_idx, indirect);
-- 
2.40.1

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