From: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
[Why]
If we're doing backdoor load then do it entirely ourselves without
invoking any of the frontdoor path to avoid potential issues with
outdated tOS.
[How]
Check the load type and don't pass it to base if we don't want it
loaded.
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
Reviewed-by: Hersen Wu <hersenxs.wu@xxxxxxx>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Acked-by: Harry Wentland <harry.wentland@xxxxxxx>
---
.../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 20 +++++++++++--------
1 file changed, 12 insertions(+), 8 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 8bb022c91b8b..933bbe8350bb 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1202,16 +1202,20 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
}
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;
- adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].fw = adev->dm.dmub_fw;
- adev->firmware.fw_size +=
- ALIGN(le32_to_cpu(hdr->inst_const_bytes), PAGE_SIZE);
- adev->dm.dmcub_fw_version = le32_to_cpu(hdr->header.ucode_version);
+ if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
+ adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].ucode_id =
+ AMDGPU_UCODE_ID_DMCUB;
+ adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].fw =
+ adev->dm.dmub_fw;
+ adev->firmware.fw_size +=
+ ALIGN(le32_to_cpu(hdr->inst_const_bytes), PAGE_SIZE);
- DRM_INFO("Loading DMUB firmware via PSP: version=0x%08X\n",
- adev->dm.dmcub_fw_version);
+ DRM_INFO("Loading DMUB firmware via PSP: version=0x%08X\n",
+ adev->dm.dmcub_fw_version);
+ }
+
+ adev->dm.dmcub_fw_version = le32_to_cpu(hdr->header.ucode_version);
adev->dm.dmub_srv = kzalloc(sizeof(*adev->dm.dmub_srv), GFP_KERNEL);
dmub_srv = adev->dm.dmub_srv;
--
2.25.0
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