[PATCH 09/35] drm/amd/display: Add dmcu f/w loading for NV12

[Rodrigo Siqueira]

From: Roman Li <roman.li at amd.com>

[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: Roman Li <roman.li at amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu at amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 933bbe8350bb..bd88396a8469 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -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
 
@@ -1088,9 +1091,11 @@ 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;
-- 
2.25.0