[PATCH] drm/amdgpu: Update SDMA firmware version check for user queue support

[Alex Deucher]

On Fri, Aug 1, 2025 at 3:48 AM Jesse.Zhang <Jesse.Zhang at amd.com> wrote:
>
> This commit fixes a firmware version check for enabling user queue
> support in SDMA v7.0. The previous version check (7836028) was
> incorrect and could lead to issues with PROTECTED_FENCE_SIGNAL
> commands causing register conflicts between MCU_DBG0 and MCU_DBG1.
>
> Signed-off-by: Jesse Zhang <Jesse.Zhang at amd.com>

Please add:
Fixes: 71f82efdc1ad ("drm/amdgpu/sdma7: add ucode version checks for
userq support")
With that,
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>


> ---
>  drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
> index ba1f3e3b6eb6..d50db12a44a5 100644
> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v7_0.c
> @@ -1357,7 +1357,7 @@ static int sdma_v7_0_sw_init(struct amdgpu_ip_block *ip_block)
>         switch (amdgpu_ip_version(adev, SDMA0_HWIP, 0)) {
>         case IP_VERSION(7, 0, 0):
>         case IP_VERSION(7, 0, 1):
> -               if ((adev->sdma.instance[0].fw_version >= 7836028) && !adev->sdma.disable_uq)
> +               if ((adev->sdma.instance[0].fw_version >= 7966358) && !adev->sdma.disable_uq)
>                         adev->userq_funcs[AMDGPU_HW_IP_DMA] = &userq_mes_funcs;
>                 break;
>         default:
> --
> 2.49.0
>