[Intel-gfx] [PATCH 1/1] drm/i915/selftests: Align igt_spinner_create_request with hangcheck

[Matt Roper]

On Thu, Aug 10, 2023 at 01:36:20PM -0700, Jonathan Cavitt wrote:
> Align igt_spinner_create_request with the hang_create_request
> implementation in selftest_hangcheck.c.
> 
> Signed-off-by: Jonathan Cavitt <jonathan.cavitt at intel.com>
> ---
>  drivers/gpu/drm/i915/selftests/igt_spinner.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/selftests/igt_spinner.c b/drivers/gpu/drm/i915/selftests/igt_spinner.c
> index 0f064930ef11..8c3e1f20e5a1 100644
> --- a/drivers/gpu/drm/i915/selftests/igt_spinner.c
> +++ b/drivers/gpu/drm/i915/selftests/igt_spinner.c
> @@ -179,6 +179,9 @@ igt_spinner_create_request(struct igt_spinner *spin,
>  
>  	*batch++ = arbitration_command;
>  
> +	memset32(batch, MI_NOOP, 128);
> +	batch += 128;
> +

This doesn't look like what you intended.  You zeroed out 128 bytes, but
then jumped your batch cursor forward 128 dwords (512 bytes).


Matt

>  	if (GRAPHICS_VER(rq->i915) >= 8)
>  		*batch++ = MI_BATCH_BUFFER_START | BIT(8) | 1;
>  	else if (IS_HASWELL(rq->i915))
> -- 
> 2.25.1
> 

-- 
Matt Roper
Graphics Software Engineer
Linux GPU Platform Enablement
Intel Corporation