[igt-dev] [PATCH i-g-t] [i-g-t] tests/kms_plane_scaling: Change minimum fb height for YUV 420 planar

Srinivas, Vidya vidya.srinivas at intel.com
Fri Mar 16 08:08:27 UTC 2018



> -----Original Message-----
> From: Jani Nikula [mailto:jani.nikula at linux.intel.com]
> Sent: Friday, March 16, 2018 1:20 PM
> To: Srinivas, Vidya <vidya.srinivas at intel.com>; igt-dev at lists.freedesktop.org
> Cc: Kamath, Sunil <sunil.kamath at intel.com>; Syrjala, Ville
> <ville.syrjala at intel.com>
> Subject: RE: [igt-dev] [PATCH i-g-t] [i-g-t] tests/kms_plane_scaling: Change
> minimum fb height for YUV 420 planar
> 
> On Fri, 16 Mar 2018, "Srinivas, Vidya" <vidya.srinivas at intel.com> wrote:
> >> -----Original Message-----
> >> From: Jani Nikula [mailto:jani.nikula at linux.intel.com]
> >> Sent: Thursday, March 15, 2018 4:21 PM
> >> To: Srinivas, Vidya <vidya.srinivas at intel.com>;
> >> igt-dev at lists.freedesktop.org
> >> Cc: Kamath, Sunil <sunil.kamath at intel.com>; Syrjala, Ville
> >> <ville.syrjala at intel.com>
> >> Subject: Re: [igt-dev] [PATCH i-g-t] [i-g-t] tests/kms_plane_scaling:
> >> Change minimum fb height for YUV 420 planar
> >>
> >> On Thu, 15 Mar 2018, Vidya Srinivas <vidya.srinivas at intel.com> wrote:
> >> > When the plane scaling is used with YUV 420 planar formats, the
> >> > height should be a minimum of 16 scanlines as per BSpec.
> >> > Minimum of 8 scanlines is for non-YUV 420 planar formats.
> >> > Patch changes the minimum fb height being used in the test in case
> >> > of YUV 420 planar (currently done for NV12, as that is the only
> >> > planar format supported)
> >> >
> >> > v2: Addressed review comments from Maarten
> >>
> >> This doesn't really say anything meaningful. In the future, please
> >> state the actual changes.
> >>
> >> > Signed-off-by: Uma Shankar <uma.shankar at intel.com>
> >> > Signed-off-by: Vidya Srinivas <vidya.srinivas at intel.com>
> >> > ---
> >> >  tests/kms_plane_scaling.c | 2 ++
> >> >  1 file changed, 2 insertions(+)
> >> >
> >> > diff --git a/tests/kms_plane_scaling.c b/tests/kms_plane_scaling.c
> >> > index 4408e5c..36fcfc0 100644
> >> > --- a/tests/kms_plane_scaling.c
> >> > +++ b/tests/kms_plane_scaling.c
> >> > @@ -131,6 +131,8 @@ static void check_scaling_pipe_plane_rot(data_t
> >> > *d, igt_plane_t *plane,
> >> >
> >> >  	/* create buffer in the range of  min and max source side limit.*/
> >> >  	width = height = 9;
> >> > +	if (pixel_format == DRM_FORMAT_NV12)
> >> > +		width = height = 17;
> >>
> >> IMO it's easier to read when you have an if-else instead of
> >> overwriting the previous values in some cases.
> >>
> >
> > Sorry about that. I see the patch is merged already.
> > When I push any other patch, will address this issue.
> 
> Hey, no apologies necessary. Maarten already did the important part of
> reviewing the functionality, this was just me opinioning on style.
> 

Thank you :) Thanks to Maarten too :)

Regards
Vidya

> BR,
> Jani.
> 
> >
> > Regards
> > Vidya
> >
> >> BR,
> >> Jani.
> >>
> >> >  	igt_create_color_fb(display->drm_fd, width, height,
> >> >  		       pixel_format, tiling, 0.0, 1.0, 0.0, &d->fb[0]);
> >> >  	igt_plane_set_fb(plane, &d->fb[0]);
> >>
> >> --
> >> Jani Nikula, Intel Open Source Technology Center
> 
> --
> Jani Nikula, Intel Open Source Technology Center


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