Commit d3e53452 authored by James Zhu's avatar James Zhu Committed by Alex Deucher
Browse files

drm/amdgpu/vcn: use dummy register selects AID for VCN_RAM ucode 



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

Signed-off-by: default avatarJames Zhu <James.Zhu@amd.com>
Reviewed-by: default avatarSonny Jiang <sonny.jiang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 6a944ccb

drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c

+7 −1
Original line number Diff line number Diff line
@@ -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);