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drm/amd/amdgpu: skip ucode loading if ucode_size == 0

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[ Upstream commit 39c84b8e929dbd4f63be7e04bf1a2bcd92b44177 ]

Restrict the ucode loading check to avoid frontdoor loading error.

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chengming Gui 2022-08-30 16:33:01 +08:00 committed by Greg Kroah-Hartman
parent a1347be8f0
commit 985a5d3d49
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
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@ -2505,7 +2505,7 @@ static int psp_load_smu_fw(struct psp_context *psp)
static bool fw_load_skip_check(struct psp_context *psp,
struct amdgpu_firmware_info *ucode)
{
if (!ucode->fw)
if (!ucode->fw || !ucode->ucode_size)
return true;
if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC &&