Re: [igt-dev] [PATCH i-g-t 4/5] tests/kms_plane: Test all modifiers as well

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

On Wed, Oct 31, 2018 at 02:35:12PM -0700, Dhinakaran Pandiyan wrote:
> On Tuesday, October 30, 2018 9:20:37 AM PDT Ville Syrjala wrote:
> > From: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > 
> > Instead of just testing each pixel format let's test every
> > format+modifier combo.
> > 
> > Obviously testing with solid filled fbs isn't the most effective
> > way to detect tiling problems, but we can't really do much more if
> > we want to keep comparing YUV vs. RGB results (unless we start to
> > render the RGB content in a way that matches the YUV subsampling
> > behaviour of the hardware).
> > 
> > Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> > ---
> >  tests/kms_plane.c | 30 +++++++++++++++++++-----------
> >  1 file changed, 19 insertions(+), 11 deletions(-)
> > 
> > diff --git a/tests/kms_plane.c b/tests/kms_plane.c
> > index 45e0a304e8ce..5e498d14856f 100644
> > --- a/tests/kms_plane.c
> > +++ b/tests/kms_plane.c
> > @@ -406,14 +406,15 @@ static void set_legacy_lut(data_t *data, enum pipe pipe,
> >  
> >  static void test_format_plane_color(data_t *data, enum pipe pipe,
> >  				    igt_plane_t *plane,
> > -				    uint32_t format, int width, int height,
> > +				    uint32_t format, uint64_t modifier,
> > +				    int width, int height,
> >  				    int color, igt_crc_t *crc, struct igt_fb *fb)
> >  {
> >  	const color_t *c = &colors[color];
> >  	struct igt_fb old_fb = *fb;
> >  
> >  	igt_create_color_fb(data->drm_fd, width, height,
> > -			    format, LOCAL_DRM_FORMAT_MOD_NONE,
> > +			    format, modifier,
> >  			    c->red, c->green, c->blue, fb);
> >  
> >  	igt_plane_set_fb(plane, fb);
> > @@ -432,6 +433,7 @@ static void test_format_plane(data_t *data, enum pipe pipe,
> >  	struct igt_fb fb = {};
> >  	drmModeModeInfo *mode;
> >  	uint32_t format, ref_format;
> > +	uint64_t modifier, ref_modifier;
> >  	uint64_t width, height;
> >  	igt_crc_t ref_crc[ARRAY_SIZE(colors)];
> >  
> > @@ -440,6 +442,7 @@ static void test_format_plane(data_t *data, enum pipe pipe,
> >  		width = mode->hdisplay;
> >  		height = mode->vdisplay;
> >  		ref_format = format = DRM_FORMAT_XRGB8888;
> > +		ref_modifier = modifier = DRM_FORMAT_MOD_NONE;
> >  	} else {
> >  		if (!plane->drm_plane) {
> >  			igt_debug("Only legacy cursor ioctl supported, skipping cursor plane\n");
> > @@ -448,6 +451,7 @@ static void test_format_plane(data_t *data, enum pipe pipe,
> >  		do_or_die(drmGetCap(data->drm_fd, DRM_CAP_CURSOR_WIDTH, &width));
> >  		do_or_die(drmGetCap(data->drm_fd, DRM_CAP_CURSOR_HEIGHT, &height));
> >  		ref_format = format = DRM_FORMAT_ARGB8888;
> > +		ref_modifier = modifier = DRM_FORMAT_MOD_NONE;
> >  	}
> >  
> >  	igt_debug("Testing connector %s on %s plane %s.%u\n",
> > @@ -468,22 +472,25 @@ static void test_format_plane(data_t *data, enum pipe pipe,
> >  	test_init(data, pipe);
> >  	igt_pipe_crc_start(data->pipe_crc);
> >  
> > -	igt_info("Testing format " IGT_FORMAT_FMT " on %s.%u\n",
> > -		 IGT_FORMAT_ARGS(format),
> > +	igt_info("Testing format " IGT_FORMAT_FMT " / modifier 0x%" PRIx64 " on %s.%u\n",
> > +		 IGT_FORMAT_ARGS(format), modifier,
> >  		 kmstest_pipe_name(pipe), plane->index);
> >  
> >  	for (int i = 0; i < ARRAY_SIZE(colors); i++) {
> >  		test_format_plane_color(data, pipe, plane,
> > -					format, width, height,
> > +					format, modifier,
> Use ref_format and ref_modifier here? 

Yeah, seems sensible. I can then avoid the ugly double assignment
as well.

> 
> I'll leave it to you if you want to address that nit.
> Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
> 
> > +					width, height,
> >  					i, &ref_crc[i], &fb);
> >  	}
> >  
> > -	for (int i = 0; i < plane->drm_plane->count_formats; i++) {
> > +	for (int i = 0; i < plane->format_mod_count; i++) {
> >  		igt_crc_t crc;
> >  
> > -		format = plane->drm_plane->formats[i];
> > +		format = plane->formats[i];
> > +		modifier = plane->modifiers[i];
> >  
> > -		if (format == ref_format)
> > +		if (format == ref_format &&
> > +		    modifier == ref_modifier)
> >  			continue;
> >  
> >  		if (!igt_fb_supported_format(format))
> > @@ -499,13 +506,14 @@ static void test_format_plane(data_t *data, enum pipe pipe,
> >  		if (format == DRM_FORMAT_XBGR8888)
> >  			continue;
> >  
> > -		igt_info("Testing format " IGT_FORMAT_FMT " on %s.%u\n",
> > -			 IGT_FORMAT_ARGS(format),
> > +		igt_info("Testing format " IGT_FORMAT_FMT " / modifier 0x%" PRIx64 " on %s.%u\n",
> > +			 IGT_FORMAT_ARGS(format), modifier,
> >  			 kmstest_pipe_name(pipe), plane->index);
> >  
> >  		for (int j = 0; j < ARRAY_SIZE(colors); j++) {
> >  			test_format_plane_color(data, pipe, plane,
> > -						format, width, height,
> > +						format, modifier,
> > +						width, height,
> >  						j, &crc, &fb);
> >  
> >  			igt_assert_crc_equal(&crc, &ref_crc[j]);
> > 
> 
> 
> 

-- 
Ville Syrjälä
Intel
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