Re: [igt-dev] [PATCH i-g-t] tests/kms_frontbuffer_tracking: Really do not skip on 4k displays, v2.

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Wed, Nov 07, 2018 at 08:30:28AM +0100, Maarten Lankhorst wrote:
> The previous fixes to kms_frontbuffer_tracking fixed the sharedfb tests,
> but the stridechange test still creates its own fb. Use the existing 'big'
> fb to force a stride change, without ending up with an excessive stride.
> 
> Changes since v1:
> - Use the big fb used by the shrfb tests. It already exists and has
>   the right dimensions, so why not?
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

Seems reasonable.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

> ---
>  tests/kms_frontbuffer_tracking.c | 21 +++++++++------------
>  1 file changed, 9 insertions(+), 12 deletions(-)
> 
> diff --git a/tests/kms_frontbuffer_tracking.c b/tests/kms_frontbuffer_tracking.c
> index bf4a68ff2bde..276ef83ce386 100644
> --- a/tests/kms_frontbuffer_tracking.c
> +++ b/tests/kms_frontbuffer_tracking.c
> @@ -2915,7 +2915,7 @@ static void badstride_subtest(const struct test_mode *t)
>   */
>  static void stridechange_subtest(const struct test_mode *t)
>  {
> -	struct igt_fb new_fb, *old_fb;
> +	struct igt_fb *new_fb, *old_fb;
>  	struct modeset_params *params = pick_params(t);
>  	int rc;
>  
> @@ -2923,15 +2923,14 @@ static void stridechange_subtest(const struct test_mode *t)
>  
>  	old_fb = params->primary.fb;
>  
> -	create_fb(t->format, params->primary.fb->width + 512, params->primary.fb->height,
> -		  opt.tiling, t->plane, &new_fb);
> -	fill_fb(&new_fb, COLOR_PRIM_BG);
> -
> -	igt_assert(old_fb->strides[0] != new_fb.strides[0]);
> -
>  	/* We can't assert that FBC will be enabled since there may not be
>  	 * enough space for the CFB, but we can check the CRC. */
> -	params->primary.fb = &new_fb;
> +	new_fb = &fbs[t->format].big;
> +	igt_assert(old_fb->strides[0] != new_fb->strides[0]);
> +
> +	params->primary.fb = new_fb;
> +	fill_fb_region(&params->primary, COLOR_PRIM_BG);
> +
>  	set_mode_for_params(params);
>  	do_assertions(DONT_ASSERT_FEATURE_STATUS);
>  
> @@ -2941,7 +2940,7 @@ static void stridechange_subtest(const struct test_mode *t)
>  	do_assertions(0);
>  
>  	/* This operation is the same as above, but with the planes API. */
> -	params->primary.fb = &new_fb;
> +	params->primary.fb = new_fb;
>  	set_prim_plane_for_params(params);
>  	do_assertions(DONT_ASSERT_FEATURE_STATUS);
>  
> @@ -2953,11 +2952,9 @@ static void stridechange_subtest(const struct test_mode *t)
>  	 * Try to set a new stride. with the page flip api. This is allowed
>  	 * with the atomic page flip helper, but not with the legacy page flip.
>  	 */
> -	rc = drmModePageFlip(drm.fd, drm.display.pipes[params->pipe].crtc_id, new_fb.fb_id, 0, NULL);
> +	rc = drmModePageFlip(drm.fd, drm.display.pipes[params->pipe].crtc_id, new_fb->fb_id, 0, NULL);
>  	igt_assert(rc == -EINVAL || rc == 0);
>  	do_assertions(0);
> -
> -	igt_remove_fb(drm.fd, &new_fb);
>  }
>  
>  /**
> -- 
> 2.19.1
> 
> _______________________________________________
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> igt-dev@lists.freedesktop.org
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-- 
Ville Syrjälä
Intel
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