drm/amd/display: dmub back door load (31a7f4bb) · Commits · 戴 / test

Signed-off-by:

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

+4 −5

Original line number	Diff line number	Diff line
		@@ -823,6 +823,10 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev)
		hw_params.fb_base = adev->gmc.fb_start;
		hw_params.fb_offset = adev->gmc.aper_base;

		/* backdoor load firmware and trigger dmub running */
		if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
		hw_params.load_inst_const = true;

		if (dmcu)
		hw_params.psp_version = dmcu->psp_version;

		@@ -1192,11 +1196,6 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
		return 0;
		}

		if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
		DRM_WARN("Only PSP firmware loading is supported for DMUB\n");
		return 0;
		}

		hdr = (const struct dmcub_firmware_header_v1_0 *)adev->dm.dmub_fw->data;
		adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].ucode_id =
		AMDGPU_UCODE_ID_DMCUB;