Re: [igt-dev] [PATCH i-g-t 2/2] lib/igt_kms: reset plane alpha and blend in igt_plane_reset()

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

On Mon, Mar 18, 2019 at 01:15:10PM +0200, Juha-Pekka Heikkila wrote:
> plane alpha and blend would affect other tests if left
> in unexpected states
> 
> Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
> ---
>  lib/igt_kms.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> index e1eacc1..cdb5aba 100644
> --- a/lib/igt_kms.c
> +++ b/lib/igt_kms.c
> @@ -1781,6 +1781,13 @@ static void igt_plane_reset(igt_plane_t *plane)
>  	if (igt_plane_has_prop(plane, IGT_PLANE_ROTATION))
>  		igt_plane_set_prop_value(plane, IGT_PLANE_ROTATION, IGT_ROTATION_0);
>  
> +	if (igt_plane_has_prop(plane, IGT_PLANE_PIXEL_BLEND_MODE))
> +		igt_plane_set_prop_enum(plane, IGT_PLANE_PIXEL_BLEND_MODE, "None");

"Pre-multiplied" is the default value for this prop.

> +
> +	if (igt_plane_has_prop(plane, IGT_PLANE_ALPHA))
> +		igt_plane_set_prop_value(plane, IGT_PLANE_ALPHA, 0xffff);
> +
> +
>  	igt_plane_clear_prop_changed(plane, IGT_PLANE_IN_FENCE_FD);
>  	plane->values[IGT_PLANE_IN_FENCE_FD] = ~0ULL;
>  	plane->gem_handle = 0;
> -- 
> 2.7.4
> 
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-- 
Ville Syrjälä
Intel
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