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drm/amdgpu: compare MES firmware version ucode for gfx11

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MES firmware should report the same version whether read from
the register or from the firmware ucode binary. This is not
always the case, so add a log when they mismatch.

Signed-off-by: Sunil Khatri <sunil.khatri@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sunil Khatri 2026-06-01 20:11:17 +05:30 committed by Alex Deucher
parent 39eb6da7ac
commit dd7bd8e0f0
3 changed files with 14 additions and 0 deletions
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12
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
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@ -781,6 +781,18 @@ int amdgpu_mes_init_microcode(struct amdgpu_device *adev, int pipe)
return r;
}
void amdgpu_mes_validate_fw_version(struct amdgpu_device *adev)
{
u32 fw_from_ucode = adev->mes.fw_version[AMDGPU_MES_SCHED_PIPE];
u32 fw_from_reg = adev->mes.sched_version & AMDGPU_MES_VERSION_MASK;
if (fw_from_ucode != fw_from_reg)
dev_info(adev->dev,
"MES firmware reports incorrect version in ucode binary (0x%x vs 0x%x)\n",
fw_from_ucode, fw_from_reg);
}
bool amdgpu_mes_suspend_resume_all_supported(struct amdgpu_device *adev)
{
uint32_t mes_rev = adev->mes.sched_version & AMDGPU_MES_VERSION_MASK;

1
drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h
View File

@ -441,6 +441,7 @@ struct amdgpu_mes_funcs {
(adev)->mes.kiq_hw_fini((adev), (xcc_id))
int amdgpu_mes_init_microcode(struct amdgpu_device *adev, int pipe);
void amdgpu_mes_validate_fw_version(struct amdgpu_device *adev);
int amdgpu_mes_init(struct amdgpu_device *adev);
void amdgpu_mes_fini(struct amdgpu_device *adev);

1
drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
View File

@ -1688,6 +1688,7 @@ static int mes_v11_0_hw_init(struct amdgpu_ip_block *ip_block)
if (r)
goto failure;
amdgpu_mes_validate_fw_version(adev);
out:
/*
* Disable KIQ ring usage from the driver once MES is enabled.