drm/amd/display: Add dmcu f/w loading for NV12 (5ea23931) · Commits · 戴 / test

[Why] We need DMCU for features like PSR and ABM. [How] Add path to dmcu firmware binary and load it for Navi12. Signed-off-by:

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

+6 −1

Original line number	Diff line number	Diff line
		@@ -98,6 +98,9 @@ MODULE_FIRMWARE(FIRMWARE_RENOIR_DMUB);
		#define FIRMWARE_RAVEN_DMCU "amdgpu/raven_dmcu.bin"
		MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU);

		#define FIRMWARE_NAVI12_DMCU "amdgpu/navi12_dmcu.bin"
		MODULE_FIRMWARE(FIRMWARE_NAVI12_DMCU);

		/* Number of bytes in PSP header for firmware. */
		#define PSP_HEADER_BYTES 0x100

		@@ -1093,9 +1096,11 @@ static int load_dmcu_fw(struct amdgpu_device *adev)
		case CHIP_VEGA20:
		case CHIP_NAVI10:
		case CHIP_NAVI14:
		case CHIP_NAVI12:
		case CHIP_RENOIR:
		return 0;
		case CHIP_NAVI12:
		fw_name_dmcu = FIRMWARE_NAVI12_DMCU;
		break;
		case CHIP_RAVEN:
		if (ASICREV_IS_PICASSO(adev->external_rev_id))
		fw_name_dmcu = FIRMWARE_RAVEN_DMCU;