[PATCH 04/35] drm/amd/display: dmub back door load
Rodrigo Siqueira
Rodrigo.Siqueira at amd.com
Fri Feb 21 16:02:53 UTC 2020
From: Hersen Wu <hersenxs.wu at amd.com>
Signed-off-by: Hersen Wu <hersenxs.wu at amd.com>
Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo 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 | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
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 0e7d75436d59..aeca0ada2484 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -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;
@@ -1187,11 +1191,6 @@ 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;
--
2.25.0
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