From: James Zhu <James.Zhu@xxxxxxx>
Use dummy register 0xDEADBEEF selects AID for PSP VCN_RAM ucode.
Signed-off-by: James Zhu <James.Zhu@xxxxxxx>
Reviewed-by: Sonny Jiang <sonny.jiang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
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
