On Fri, Jul 10, 2026 at 7:24 AM Srinivasan Shanmugam
<[email protected]> wrote:
>
> Fix the error cleanup path in gfx_v9_4_3_set_userq_eop_interrupts() by
> using the correct loop condition. This ensures all previously enabled
> EOP IRQs are released if setup fails.
>
> Fixes: 832f0aa050ff ("drm/amdgpu/gfx9.4.3: add support for disabling kernel 
> queues")
> Reported-by: Dan Carpenter <[email protected]>
> Cc: Kent Russell <[email protected]>
> Cc: Alex Deucher <[email protected]>
> Signed-off-by: Srinivasan Shanmugam <[email protected]>

Reviewed-by: Alex Deucher <[email protected]>

> ---
>  drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c 
> b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
> index 44d38b76cb4f..9512fef81d84 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
> @@ -2331,7 +2331,7 @@ static int gfx_v9_4_3_set_userq_eop_interrupts(struct 
> amdgpu_device *adev,
>                 }
>         }
>         for (xcc_id--; xcc_id >= 0; xcc_id--) {
> -               for (m = adev->gfx.mec.num_mec - 1; m <= 0; m--) {
> +               for (m = adev->gfx.mec.num_mec - 1; m >= 0; m--) {
>                         for (p = adev->gfx.mec.num_pipe_per_mec - 1; p >= 0; 
> p--) {
>                                 irq_type = 
> AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP
>                                         + (m * 
> adev->gfx.mec.num_pipe_per_mec) + p;
> --
> 2.34.1
>

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