[igt-dev] [PATCH i-g-t] tests/kms_yuv: Add yuv specific tests.

Sharma, Swati2 swati2.sharma at intel.com
Fri Mar 1 06:23:58 UTC 2019


Given review comments just for few cosmetic changes.

On 14-Feb-19 8:59 PM, Maarten Lankhorst via igt-dev wrote:
> Add tests excercising switching between various scaled/unscaled
> transitions to and from various nv12 formats, since some of the
> workarounds mention this may fail.
>
> We also add NV12 specific clipping/scaling tests, to make sure
> that YUV src coordinates are always programmed as a multiple of 2
> correctly, and verify scaling/clipping works with CRC tests.
>
> crop-scale-bug shows a corruption when scaling and cropping at the
> same time.
>
> The subpixel clip test rotates and clips a rectangle on each side,
> which should produce the same CRC as when that part of the rectangle
> is hidden by a cursor and a whole 2x2 pixel is hidden.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> ---
>   tests/Makefile.sources |   1 +
>   tests/kms_yuv.c        | 845 +++++++++++++++++++++++++++++++++++++++++
>   tests/meson.build      |   1 +
>   3 files changed, 847 insertions(+)
>   create mode 100644 tests/kms_yuv.c
>
> diff --git a/tests/Makefile.sources b/tests/Makefile.sources
> index a234fa5dd553..d8eb58a85ed2 100644
> --- a/tests/Makefile.sources
> +++ b/tests/Makefile.sources
> @@ -72,6 +72,7 @@ TESTS_progs = \
>   	kms_universal_plane \
>   	kms_vblank \
>   	kms_vrr \
> +	kms_yuv \
>   	kms_sequence \
>   	meta_test \
>   	perf \
> diff --git a/tests/kms_yuv.c b/tests/kms_yuv.c
> new file mode 100644
> index 000000000000..9a0483f1631e
> --- /dev/null
> +++ b/tests/kms_yuv.c
> @@ -0,0 +1,845 @@
> +/*
> + * Copyright © 2019 Intel Corporation
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining a
> + * copy of this software and associated documentation files (the "Software"),
> + * to deal in the Software without restriction, including without limitation
> + * the rights to use, copy, modify, merge, publish, distribute, sublicense,
> + * and/or sell copies of the Software, and to permit persons to whom the
> + * Software is furnished to do so, subject to the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be included in
> + * all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
> + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
> + * IN THE SOFTWARE.
> + *
> + * Authors:
> + *    Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> + */
> +#include "config.h"
> +
> +#include "igt.h"
> +#include <cairo.h>
> +#include <errno.h>
> +#include <stdint.h>
> +#include <unistd.h>
> +#include <sys/time.h>
> +
> +typedef struct {
> +	igt_display_t display;
> +
> +	igt_pipe_crc_t *pipe_crc;
> +	struct igt_fb fb[6];
> +} data_t;
> +
> +static bool plane_supports_format(igt_plane_t *plane, uint32_t format)
> +{
> +	int i;
> +
> +	if (!igt_fb_supported_format(format))
> +		return false;
> +
> +	for (i = 0; i < plane->drm_plane->count_formats; i++)
> +		if (plane->drm_plane->formats[i] == format)
> +			return true;
> +
> +	return false;
> +}
> +
> +static bool pipe_supports_format(igt_display_t *display, enum pipe pipe, uint32_t format)
> +{
> +	igt_plane_t *plane;
> +
> +	for_each_plane_on_pipe(display, pipe, plane)
> +		if (plane_supports_format(plane, format))
> +			return true;
> +
> +	return false;
> +}
> +
> +static void remove_fbs(data_t *data)
> +{
> +	int i;
> +
> +	for (i = 0; i < ARRAY_SIZE(data->fb); i++)
> +		igt_remove_fb(data->display.drm_fd, &data->fb[i]);
> +}
> +
> +static void prepare_crtc(data_t *data, enum pipe pipe, igt_output_t *output)
> +{
> +	igt_display_t *display = &data->display;
> +
> +	remove_fbs(data);
> +	igt_display_reset(display);
> +	igt_output_set_pipe(output, pipe);
> +	igt_display_commit2(display, COMMIT_ATOMIC);
> +
> +	igt_pipe_crc_free(data->pipe_crc);
> +	data->pipe_crc = igt_pipe_crc_new(display->drm_fd, pipe, INTEL_PIPE_CRC_SOURCE_AUTO);
> +}
> +
> +static void set_fb(igt_plane_t *plane, struct igt_fb *fb, bool scaled)
> +{
> +	igt_plane_set_fb(plane, fb);
> +
> +	if (scaled && fb)
> +		igt_fb_set_size(fb, plane, fb->width, 16);
> +
> +	if (fb && fb->tiling == LOCAL_I915_FORMAT_MOD_Y_TILED) {
> +		igt_plane_set_rotation(plane, IGT_ROTATION_90);
> +		igt_plane_set_size(plane, fb->height, fb->width);
> +	} else
> +		igt_plane_set_rotation(plane, IGT_ROTATION_0);
> +}
> +
> +static void yuv_rgb_switch(data_t *data, enum pipe pipe, igt_output_t *output, bool scaled, unsigned format)
> +{
> +	drmModeModeInfo *mode = igt_output_get_mode(output);
> +	igt_display_t *display = &data->display;
> +	igt_plane_t *plane;
> +	int i;
> +	igt_crc_t ref_crc[4], crc;
> +
> +	prepare_crtc(data, pipe, output);
> +
> +	igt_create_pattern_fb(display->drm_fd, mode->hdisplay, mode->vdisplay,
> +			      format, LOCAL_I915_FORMAT_MOD_X_TILED,
> +			      &data->fb[0]);
> +
> +	igt_create_pattern_fb(display->drm_fd, mode->vdisplay, mode->hdisplay,
> +			      format, LOCAL_I915_FORMAT_MOD_Y_TILED,
> +			      &data->fb[1]);
> +
> +	igt_create_pattern_fb(display->drm_fd, mode->hdisplay, mode->vdisplay,
> +			      DRM_FORMAT_XRGB8888, LOCAL_I915_FORMAT_MOD_X_TILED,
> +			      &data->fb[2]);
> +
> +	igt_create_pattern_fb(display->drm_fd, mode->vdisplay, mode->hdisplay,
> +			      DRM_FORMAT_XRGB8888, LOCAL_I915_FORMAT_MOD_Y_TILED,
> +			      &data->fb[3]);
> +
> +	for_each_plane_on_pipe(display, pipe, plane) {
> +		if (!plane_supports_format(plane, DRM_FORMAT_XRGB8888))
> +			continue;
> +
> +		/* We only have few scalers, don't use 1 for unused planes */
> +		if (plane->type != DRM_PLANE_TYPE_CURSOR && !scaled)
> +			set_fb(plane, &data->fb[3], false);
> +	}
> +
> +	for_each_plane_on_pipe(display, pipe, plane) {
> +		const int seq[] = {
> +			2, 0, 2, 1, 3, 1, 3
> +		};
> +
> +		if (!plane_supports_format(plane, format))
> +			continue;
> +
> +		/* Collect reference crc with toggle in between. */
> +		for (i = 0; i < ARRAY_SIZE(ref_crc); i++) {
> +			set_fb(plane, &data->fb[i], scaled);
> +			igt_display_commit2(display, COMMIT_ATOMIC);
> +
> +			igt_pipe_crc_collect_crc(data->pipe_crc, &ref_crc[i]);
> +
> +			set_fb(plane, NULL, scaled);
> +			igt_display_commit2(display, COMMIT_ATOMIC);
> +		}
> +
> +		for (i = 0; i < ARRAY_SIZE(seq); i++) {
> +			int j = seq[i];
> +
> +			set_fb(plane, &data->fb[j], scaled);
> +			igt_display_commit2(display, COMMIT_ATOMIC);
> +
> +			igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
> +			igt_assert_crc_equal(&ref_crc[j], &crc);
> +		}
> +
> +		/* We only have few scalers, don't use 1 for unused planes */
> +		if (scaled)
> +			igt_plane_set_fb(plane, NULL);
> +	}
> +}
> +
> +#define assert_collected_crc_equal(pipe_crc, crc, ref_crc) \
> +	do { \
> +		igt_pipe_crc_get_current(display->drm_fd, pipe_crc, crc);	\
> +		igt_assert_crc_equal(ref_crc, crc);	\
> +	} while (0)
> +
> +static void set_src_coords(igt_plane_t *plane, struct igt_fb *fb,
> +			   igt_rotation_t rot, int vis, int hidden)
Should one space come before igt_rotation_t to make it align to igt_plane_t?
> +{
> +	switch (rot) {
> +	case IGT_ROTATION_0:
> +		igt_fb_set_position(fb, plane, fb->width / 2 - vis, fb->height / 2 - vis);
> +		break;
> +	case IGT_ROTATION_90:
> +		igt_fb_set_position(fb, plane, fb->width / 2 - hidden, fb->height / 2 - vis);
> +		break;
> +	case IGT_ROTATION_180:
> +		igt_fb_set_position(fb, plane, fb->width / 2 - hidden, fb->height / 2 - hidden);
> +		break;
> +	case IGT_ROTATION_270:
> +		igt_fb_set_position(fb, plane, fb->width / 2 - vis, fb->height / 2 - hidden);
> +		break;
> +	default: igt_assert(0);
> +	}
> +	igt_fb_set_size(fb, plane, vis + hidden, vis + hidden);
> +}
> +
> +static void yuv_valid_width_plane(data_t *data, drmModeModeInfo *mode,
> +				   igt_plane_t *plane, struct igt_fb *fb,
> +				   igt_rotation_t rot, igt_crc_t *ref_crc)
> +{
> +	igt_display_t *display = &data->display;
> +	igt_crc_t crc;
> +	struct igt_fb *clip_fb = &data->fb[2];
> +	int i, ret;
> +
> +	igt_plane_set_fb(plane, fb);
> +	igt_plane_set_rotation(plane, rot);
> +	if (rot & (IGT_ROTATION_90 | IGT_ROTATION_270))
> +		igt_plane_set_size(plane, fb->height, fb->width);
> +	igt_display_commit2(display, COMMIT_ATOMIC);
> +
> +	/* Just clipping.. */
> +	igt_plane_set_fb(plane, clip_fb);
> +	if (rot & (IGT_ROTATION_90 | IGT_ROTATION_270))
> +		igt_plane_set_size(plane, clip_fb->height, clip_fb->width);
> +	igt_plane_set_position(plane, mode->hdisplay - clip_fb->width / 2, mode->vdisplay - clip_fb->height / 2);
> +	igt_display_commit2(display, COMMIT_ATOMIC);
> +	assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +
> +	/* Clipping and scaling. */
> +	igt_fb_set_position(clip_fb, plane, clip_fb->width / 2 - 16, clip_fb->height / 2 - 16);
> +	igt_fb_set_size(clip_fb, plane, 32, 32);
> +	igt_display_commit2(display, COMMIT_ATOMIC);
> +	assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +
> +	/* Try nvalid < 8 src visible. */
> +	set_src_coords(plane, clip_fb, rot, 4, 4);
> +	igt_display_try_commit2(display, COMMIT_ATOMIC);
> +
> +	/* Try different alignments for x/y to see if any hit underruns */
> +	for (i = 1; i < 4; i++) {
> +		set_src_coords(plane, clip_fb, rot, 16 + 2 * i, 16 - 2 * i);
> +		igt_display_commit2(display, COMMIT_ATOMIC);
> +		assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +
> +		/* And also show more of the screen */
> +		set_src_coords(plane, clip_fb, rot, 16 + i, 16 + i);
> +		ret = igt_display_try_commit2(display, COMMIT_ATOMIC);
> +
> +		if (ret == -EINVAL) {
> +			igt_assert(i % 2 || rot == IGT_ROTATION_270 || rot == (IGT_ROTATION_90 | IGT_REFLECT_X));
> +			continue;
> +		} else
> +			igt_assert_eq(ret, 0);
> +		assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +	}
> +
> +	/*
> +	 * As a final test, try with 16 src visible, and various invisible
> +	 * components to check clipping doesn't drop the visible src below 16.
> +	 */
> +	for (i = 0; i < 16; i += 4) {
> +		set_src_coords(plane, clip_fb, rot, 16, i);
> +		if (rot & (IGT_ROTATION_90 | IGT_ROTATION_270))
> +			igt_plane_set_size(plane, (clip_fb->height / 32) * (16 + i),
> +					   (clip_fb->width / 32) * (16 + i));
> +		else
> +			igt_plane_set_size(plane, (clip_fb->width / 32) * (16 + i),
> +					   (clip_fb->height / 32) * (16 + i));
> +		igt_display_commit2(display, COMMIT_ATOMIC);
> +		assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +	}
> +}
> +
> +static void yuv_valid_width(data_t *data, enum pipe pipe, igt_output_t *output, unsigned format)
> +{
> +	drmModeModeInfo *mode = igt_output_get_mode(output);
> +	igt_display_t *display = &data->display;
> +	igt_plane_t *plane;
> +	struct igt_fb *clip_fb = &data->fb[2];
> +	struct igt_fb *ref_fb = &data->fb[3];
> +
> +	prepare_crtc(data, pipe, output);
> +
> +	igt_create_pattern_fb(display->drm_fd, mode->hdisplay, mode->vdisplay,
> +			      format, LOCAL_I915_FORMAT_MOD_X_TILED,
> +			      &data->fb[0]);
> +
> +	igt_create_pattern_fb(display->drm_fd, mode->vdisplay, mode->hdisplay,
> +			      format, LOCAL_I915_FORMAT_MOD_Y_TILED,
> +			      &data->fb[1]);
> +
> +	igt_create_fb(display->drm_fd, 64, 64, format,
> +		      LOCAL_I915_FORMAT_MOD_Y_TILED, ref_fb);
> +
> +	igt_create_fb(display->drm_fd, 2 * ref_fb->width,
> +		      2 * ref_fb->height, format,
> +		      LOCAL_I915_FORMAT_MOD_Y_TILED, clip_fb);
> +
> +	igt_pipe_crc_start(data->pipe_crc);
> +
> +	for_each_plane_on_pipe(display, pipe, plane) {
> +		igt_crc_t ref_crc[4];
> +		cairo_t *cr;
> +		static const double colors[4][3] = {
> +			{ 1., 0., 0. },
> +			{ 0., 1., 0. },
> +			{ 0., 0., 1. },
> +			{ 1., 1., 1. }
> +		};
> +		int i;
> +
> +		if (!plane_supports_format(plane, format))
> +			continue;
> +
> +		/* Draw the FB that will be used for clipping tests. */
> +		cr = igt_get_cairo_ctx(display->drm_fd, clip_fb);
> +		igt_paint_color(cr, 0, 0, clip_fb->width / 2, clip_fb->height / 2,
> +				colors[0][0], colors[0][1], colors[0][2]);
> +
> +		igt_paint_color(cr, clip_fb->width / 2, 0,
> +				clip_fb->width / 2, clip_fb->height / 2,
> +				colors[1][0], colors[1][1], colors[1][2]);
> +
> +		igt_paint_color(cr, clip_fb->width / 2, clip_fb->height / 2,
> +				clip_fb->width / 2, clip_fb->height / 2,
> +				colors[2][0], colors[2][1], colors[2][2]);
> +
> +		igt_paint_color(cr, 0, clip_fb->height / 2,
> +				clip_fb->width / 2, clip_fb->height / 2,
> +				colors[3][0], colors[3][1], colors[3][2]);
> +
> +		igt_put_cairo_ctx(display->drm_fd, clip_fb, cr);
> +
> +		/* Draw all reference FB's to collect the CRC. */
> +		for (i = 0; i < 4; i++) {
> +			cr = igt_get_cairo_ctx(display->drm_fd, ref_fb);
> +			igt_paint_color(cr, 0, 0, ref_fb->width, ref_fb->height,
> +					colors[i][0], colors[i][1], colors[i][2]);
> +			igt_put_cairo_ctx(display->drm_fd, &data->fb[3], cr);
> +
> +			if (!i) {
> +				igt_plane_set_fb(plane, ref_fb);
> +				igt_plane_set_position(plane, mode->hdisplay - ref_fb->width, mode->vdisplay - ref_fb->height);
> +				igt_display_commit2(display, COMMIT_ATOMIC);
> +			} else {
> +				igt_dirty_fb(display->drm_fd, ref_fb);
> +				igt_wait_for_vblank(display->drm_fd, pipe);
> +			}
> +
> +			igt_pipe_crc_drain(data->pipe_crc);
> +			igt_pipe_crc_get_single(data->pipe_crc, &ref_crc[i]);
> +		}
> +
> +		igt_plane_set_fb(plane, NULL);
> +		igt_plane_set_position(plane, 0, 0);
> +
> +		yuv_valid_width_plane(data, mode, plane, &data->fb[0], IGT_ROTATION_0, &ref_crc[0]);
> +		yuv_valid_width_plane(data, mode, plane, &data->fb[1], IGT_ROTATION_90, &ref_crc[1]);
> +		yuv_valid_width_plane(data, mode, plane, &data->fb[0], IGT_ROTATION_180, &ref_crc[2]);
> +		yuv_valid_width_plane(data, mode, plane, &data->fb[1], IGT_ROTATION_270, &ref_crc[3]);
> +
> +		igt_plane_set_fb(plane, NULL);
> +	}
> +}
> +
> +static bool yuv_commit_rotated(igt_display_t *display, igt_rotation_t rot)
> +{
> +	if (igt_display_try_commit2(display, COMMIT_ATOMIC) < 0) {
> +		igt_debug("Skipping rotated test, alignment is wrong.\n");
> +		return false;
> +	}
> +
> +	return true;
> +}
> +
> +static void yuv_crop_scale_bug_plane(data_t *data, drmModeModeInfo *mode,
> +				      igt_plane_t *plane, struct igt_fb *fb,
> +				      igt_rotation_t rot, igt_crc_t *ref_crc)
> +{
> +	igt_display_t *display = &data->display;
> +	igt_crc_t crc;
> +	int ofs[] = { 0, 1, -1, 2, -2 };
> +	int i, j;
> +
> +	igt_plane_set_fb(plane, fb);
> +	igt_plane_set_rotation(plane, rot);
> +
> +	igt_plane_set_position(plane, 64, 64);
> +	igt_plane_set_size(plane, 256, 256);
> +
> +	igt_fb_set_position(fb, plane, fb->width / 4, fb->height / 4);
> +	igt_fb_set_size(fb, plane, fb->width / 2, fb->height / 2);
> +	igt_display_commit2(display, COMMIT_ATOMIC);
> +	assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +
> +	/* Make sure boundaries match */
> +	igt_fb_set_position(fb, plane, fb->width / 4 - 2, fb->height / 4 - 2);
> +	igt_fb_set_size(fb, plane, fb->width / 2 + 4, fb->height / 2 + 4);
> +	igt_display_commit2(display, COMMIT_ATOMIC);
> +	assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +
> +	for (i = 1; i < ARRAY_SIZE(ofs); i++) {
> +		igt_debug("Testing with rot %x and extra %i on the left side\n", rot, ofs[i]);
> +		igt_fb_set_position(fb, plane, fb->width / 4 + ofs[i], fb->height / 4 - 2);
> +		igt_fb_set_size(fb, plane, fb->width / 2 + 2 - ofs[i], fb->height / 2 + 4);
> +		if (yuv_commit_rotated(display, rot))
> +			assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +
> +		igt_debug("Testing with rot %x and extra %i on the top side\n", rot, ofs[i]);
> +		igt_fb_set_position(fb, plane, fb->width / 4 - 2, fb->height / 4 + ofs[i]);
> +		igt_fb_set_size(fb, plane, fb->width / 2 + 4, fb->height / 2 + 2 - ofs[i]);
> +		if (yuv_commit_rotated(display, rot))
> +			assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +
> +		igt_debug("Testing with rot %x and extra %i on the right side\n", rot, ofs[i]);
> +		igt_fb_set_position(fb, plane, fb->width / 4 - 2, fb->height / 4);
> +		igt_fb_set_size(fb, plane, fb->width / 2 + 2 + ofs[i], fb->height / 2);
> +		if (yuv_commit_rotated(display, rot))
> +			assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +
> +		igt_debug("Testing with rot %x and extra %i on the bottom side\n", rot, ofs[i]);
> +		igt_fb_set_position(fb, plane, fb->width / 4 - 2, fb->height / 4 - 2);
> +		igt_fb_set_size(fb, plane, fb->width / 2 + 4, fb->height / 2 + 2 + ofs[i]);
> +		if (yuv_commit_rotated(display, rot))
> +			assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +
Extra \n?
> +	}
> +
> +	for (i = 0; i < ARRAY_SIZE(ofs); i++)
> +		for (j = !i; j < ARRAY_SIZE(ofs); j++) {
> +			igt_debug("Testing with rot %x and extra (%i, %i) at the edges\n", rot, ofs[i], ofs[j]);
> +
> +			igt_fb_set_position(fb, plane, fb->width / 4 + ofs[i], fb->height / 4 + ofs[j]);
> +			igt_fb_set_size(fb, plane, fb->width / 2 - 2 * ofs[i], fb->height / 2 - 2 * ofs[j]);
> +
> +			if (yuv_commit_rotated(display, rot))
> +				assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +		}
> +}
> +
> +static void draw_clip_fb(igt_display_t *display, struct igt_fb *clip_fb)
> +{
> +	cairo_t *cr = igt_get_cairo_ctx(display->drm_fd, clip_fb);
> +
> +	igt_paint_color(cr, 0, 0, clip_fb->width, clip_fb->height, .0, .0, .5);
> +	igt_paint_color(cr, clip_fb->width / 4 - 2, clip_fb->height / 4 - 2,
> +			clip_fb->width / 2 + 4, clip_fb->height / 2 + 4, 1., 1., 1.);
> +
> +	igt_put_cairo_ctx(display->drm_fd, clip_fb, cr);
> +}
> +
> +static void yuv_crop_scale_bug(data_t *data, enum pipe pipe, igt_output_t *output, unsigned format)
> +{
> +	drmModeModeInfo *mode = igt_output_get_mode(output);
> +	igt_display_t *display = &data->display;
> +	igt_plane_t *plane, *primary = igt_pipe_get_plane_type(&display->pipes[pipe], DRM_PLANE_TYPE_PRIMARY);
> +	struct igt_fb *ref_fb = &data->fb[2];
> +	struct igt_fb *clip_fb = &data->fb[3];
> +	struct igt_fb *clip_fb_xtiled = &data->fb[4];
> +	struct igt_fb *clip_fb_ytiled = &data->fb[5];
> +
> +	prepare_crtc(data, pipe, output);
> +
> +	igt_create_color_fb(display->drm_fd, mode->hdisplay, mode->vdisplay,
> +			    format, LOCAL_I915_FORMAT_MOD_X_TILED, .5, .5, .5, &data->fb[0]);
> +
> +	igt_create_color_fb(display->drm_fd, 256, 256, format,
> +			    LOCAL_I915_FORMAT_MOD_X_TILED, 1., 1., 1., ref_fb);
> +
> +	igt_create_fb(display->drm_fd, 80, 128, format,
> +		      LOCAL_DRM_FORMAT_MOD_NONE, clip_fb);
> +
> +	igt_create_fb(display->drm_fd, 80, 128, format,
> +		      LOCAL_I915_FORMAT_MOD_X_TILED, clip_fb_xtiled);
Should \n come after this?
> +	igt_create_fb(display->drm_fd, 80, 128, format,
> +		      LOCAL_I915_FORMAT_MOD_Y_TILED, clip_fb_ytiled);
> +
> +	draw_clip_fb(display, clip_fb);
> +	draw_clip_fb(display, clip_fb_xtiled);
> +	draw_clip_fb(display, clip_fb_ytiled);
> +
> +	igt_plane_set_fb(primary, &data->fb[0]);
> +
> +	for_each_plane_on_pipe(display, pipe, plane) {
> +		igt_crc_t ref_crc;
> +
> +		if (!plane_supports_format(plane, format))
> +			continue;
> +
> +		igt_plane_set_fb(plane, ref_fb);
> +		igt_plane_set_position(plane, 64, 64);
> +		igt_display_commit2(display, COMMIT_ATOMIC);
> +
> +		igt_pipe_crc_start(data->pipe_crc);
> +		igt_pipe_crc_get_single(data->pipe_crc, &ref_crc);
> +
> +		yuv_crop_scale_bug_plane(data, mode, plane, clip_fb, IGT_ROTATION_0, &ref_crc);
> +		yuv_crop_scale_bug_plane(data, mode, plane, clip_fb_xtiled, IGT_ROTATION_0, &ref_crc);
> +		yuv_crop_scale_bug_plane(data, mode, plane, clip_fb_ytiled, IGT_ROTATION_0, &ref_crc);
> +		yuv_crop_scale_bug_plane(data, mode, plane, clip_fb_ytiled, IGT_ROTATION_90, &ref_crc);
> +		yuv_crop_scale_bug_plane(data, mode, plane, clip_fb, IGT_ROTATION_180, &ref_crc);
> +		yuv_crop_scale_bug_plane(data, mode, plane, clip_fb_xtiled, IGT_ROTATION_180, &ref_crc);
> +		yuv_crop_scale_bug_plane(data, mode, plane, clip_fb_ytiled, IGT_ROTATION_180, &ref_crc);
> +		yuv_crop_scale_bug_plane(data, mode, plane, clip_fb_ytiled, IGT_ROTATION_270, &ref_crc);
> +
> +		igt_plane_set_fb(plane, plane != primary ? NULL : &data->fb[0]);
> +		break;
> +	}
> +}
> +
> +static void yuv_chroma_subpixel_clip_plane_with_cursor(data_t *data,
> +							igt_plane_t *plane,
> +							struct igt_fb *clip_fb,
> +							igt_plane_t *cursor,
> +							struct igt_fb *cursor_fb,
> +							igt_crc_t *ref_crc,
> +							int cursor_x, int cursor_y)
> +{
> +	igt_display_t *display = &data->display;
> +
> +	igt_plane_set_fb(plane, clip_fb);
> +	igt_plane_set_position(plane, 64, 64);
> +	igt_plane_set_rotation(plane, IGT_ROTATION_0);
> +
> +	igt_plane_set_fb(cursor, cursor_fb);
> +	igt_plane_set_position(cursor, cursor_x, cursor_y);
> +	igt_display_commit2(display, COMMIT_ATOMIC);
> +
> +	igt_pipe_crc_drain(data->pipe_crc);
> +	igt_pipe_crc_get_single(data->pipe_crc, ref_crc);
> +
> +	igt_plane_set_fb(cursor, NULL);
> +}
> +
> +static bool yuv_chroma_subpixel_clip_plane_right(data_t *data,
> +						 igt_rotation_t rotation,
> +						 igt_plane_t *plane,
> +						 struct igt_fb *clip_fb,
> +						 igt_crc_t *ref_crc)
Should make arguments aligned?
> +{
> +	igt_display_t *display = &data->display;
> +	igt_crc_t crc = {};
> +
> +	igt_plane_set_fb(plane, clip_fb);
> +	igt_plane_set_position(plane, 64, 64);
> +	igt_plane_set_rotation(plane, rotation);
> +	igt_plane_set_size(plane, clip_fb->width - 1, clip_fb->height);
> +
> +	switch (rotation) {
> +	case IGT_ROTATION_180:
> +		igt_fb_set_position(clip_fb, plane, 1, 0);
> +	case IGT_ROTATION_0:
> +		igt_fb_set_size(clip_fb, plane, clip_fb->width - 1, clip_fb->height);
> +		break;
> +
Extra \n?
> +	case IGT_ROTATION_270:
> +		igt_fb_set_position(clip_fb, plane, 0, 1);
> +	case IGT_ROTATION_90:
> +		igt_fb_set_size(clip_fb, plane, clip_fb->width, clip_fb->height - 1);
> +		break;
> +	default:
> +		igt_assert_f(0, "Unhandled rotation %x\n", rotation);
> +	}
> +
> +	if (igt_display_try_commit2(display, COMMIT_ATOMIC) < 0)
> +		return false;
> +
> +	assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +	return true;
> +}
> +
> +static bool yuv_chroma_subpixel_clip_plane_bottom(data_t *data,
> +						  igt_rotation_t rotation,
> +						  igt_plane_t *plane,
> +						  struct igt_fb *clip_fb,
> +						  igt_crc_t *ref_crc)
> +{
> +	igt_display_t *display = &data->display;
> +	igt_crc_t crc = {};
> +
> +	igt_plane_set_fb(plane, clip_fb);
> +	igt_plane_set_position(plane, 64, 64);
> +	igt_plane_set_rotation(plane, rotation);
> +	igt_plane_set_size(plane, clip_fb->width, clip_fb->height - 1);
> +
> +	switch (rotation) {
> +	case IGT_ROTATION_180:
> +		igt_fb_set_position(clip_fb, plane, 0, 1);
> +	case IGT_ROTATION_0:
> +		igt_fb_set_size(clip_fb, plane, clip_fb->width, clip_fb->height - 1);
> +		break;
> +
Extra \n?
> +	case IGT_ROTATION_90:
> +		igt_fb_set_position(clip_fb, plane, 1, 0);
> +	case IGT_ROTATION_270:
> +		igt_fb_set_size(clip_fb, plane, clip_fb->width - 1, clip_fb->height);
> +		break;
> +	default:
> +		igt_assert_f(0, "Unhandled rotation %x\n", rotation);
> +	}
> +
> +	if (igt_display_try_commit2(display, COMMIT_ATOMIC) < 0)
> +		return false;
> +
> +	assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +	return true;
> +}
> +
> +static bool yuv_chroma_subpixel_clip_plane_left(data_t *data,
> +						igt_rotation_t rotation,
> +						igt_plane_t *plane,
> +						struct igt_fb *clip_fb,
> +						igt_crc_t *ref_crc)
> +{
> +	igt_display_t *display = &data->display;
> +	igt_crc_t crc = {};
> +
> +	igt_plane_set_fb(plane, clip_fb);
> +	igt_plane_set_position(plane, 65, 64);
> +	igt_plane_set_rotation(plane, rotation);
> +	igt_plane_set_size(plane, clip_fb->width - 1, clip_fb->height);
> +
> +	switch (rotation) {
> +	case IGT_ROTATION_0:
> +		igt_fb_set_position(clip_fb, plane, 1, 0);
> +	case IGT_ROTATION_180:
> +		igt_fb_set_size(clip_fb, plane, clip_fb->width - 1, clip_fb->height);
> +		break;
> +
Same here and below clip_plane functions:/ Sorry.
> +	case IGT_ROTATION_90:
> +		igt_fb_set_position(clip_fb, plane, 0, 1);
> +	case IGT_ROTATION_270:
> +		igt_fb_set_size(clip_fb, plane, clip_fb->width, clip_fb->height - 1);
> +		break;
> +	default:
> +		igt_assert_f(0, "Unhandled rotation %x\n", rotation);
> +	}
> +
> +	if (igt_display_try_commit2(display, COMMIT_ATOMIC) < 0)
> +		return false;
> +
> +	assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +	return true;
> +}
> +
> +
> +static bool yuv_chroma_subpixel_clip_plane_top(data_t *data,
> +					      igt_rotation_t rotation,
> +					      igt_plane_t *plane,
> +					      struct igt_fb *clip_fb,
> +					      igt_crc_t *ref_crc)
> +{
> +	igt_display_t *display = &data->display;
> +	igt_crc_t crc = {};
> +
> +	igt_plane_set_fb(plane, clip_fb);
> +	igt_plane_set_position(plane, 64, 65);
> +	igt_plane_set_rotation(plane, rotation);
> +	igt_plane_set_size(plane, clip_fb->width, clip_fb->height - 1);
> +
> +	switch (rotation) {
> +	case IGT_ROTATION_0:
> +		igt_fb_set_position(clip_fb, plane, 0, 1);
> +	case IGT_ROTATION_180:
> +		igt_fb_set_size(clip_fb, plane, clip_fb->width, clip_fb->height - 1);
> +		break;
> +
> +	case IGT_ROTATION_270:
> +		igt_fb_set_position(clip_fb, plane, 1, 0);
> +	case IGT_ROTATION_90:
> +		igt_fb_set_size(clip_fb, plane, clip_fb->width - 1, clip_fb->height);
> +		break;
> +	default:
> +		igt_assert_f(0, "Unhandled rotation %x\n", rotation);
> +	}
> +
> +	if (igt_display_try_commit2(display, COMMIT_ATOMIC) < 0)
> +		return false;
> +
> +	assert_collected_crc_equal(data->pipe_crc, &crc, ref_crc);
> +	return true;
> +}
> +
> +static void yuv_chroma_subpixel_clip(data_t *data, enum pipe pipe, igt_output_t *output, unsigned format)
> +{
> +	drmModeModeInfo *mode = igt_output_get_mode(output);
> +	igt_display_t *display = &data->display;
> +	igt_pipe_t *pipe_obj = &display->pipes[pipe];
> +	struct igt_fb *bg_fb = &data->fb[0];
> +	struct igt_fb *bg_cursor_fb = &data->fb[1];
> +	struct igt_fb *black_cursor_fb = &data->fb[2];
> +	struct igt_fb *clip_fb = &data->fb[3];
> +	igt_plane_t *primary = igt_pipe_get_plane_type(pipe_obj, DRM_PLANE_TYPE_PRIMARY);
> +	igt_plane_t *cursor = igt_pipe_get_plane_type(pipe_obj, DRM_PLANE_TYPE_CURSOR);
> +	igt_plane_t *plane;
> +	cairo_t *cr;
> +	bool ret = false;
> +
> +	prepare_crtc(data, pipe, output);
> +
> +	igt_create_color_fb(display->drm_fd, mode->hdisplay, mode->vdisplay,
> +			    DRM_FORMAT_XRGB8888, LOCAL_I915_FORMAT_MOD_X_TILED,
> +			    .0, .0, 1., bg_fb);
> +
> +	igt_create_color_fb(display->drm_fd, 256, 256,
> +		            DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
> +			    .0, .0, 1., bg_cursor_fb);
> +
> +	igt_create_color_fb(display->drm_fd, 256, 256,
> +		            DRM_FORMAT_ARGB8888, LOCAL_DRM_FORMAT_MOD_NONE,
> +			    .0, .0, .0, black_cursor_fb);
> +
> +	igt_create_fb(display->drm_fd, 256, 256,
> +		      format, LOCAL_I915_FORMAT_MOD_Y_TILED, clip_fb);
> +
> +	/* Draw the FB that will be used for clipping the chroma subpixel test. */
> +	cr = igt_get_cairo_ctx(display->drm_fd, clip_fb);
> +
> +	igt_paint_color(cr, 0, 0, clip_fb->width, clip_fb->height, 1., 0., 0.);
> +	igt_paint_color(cr, 2, 2, clip_fb->width - 4, clip_fb->height - 4, 0., 1., 1.);
> +	igt_paint_color(cr, 4, 4, clip_fb->width - 8, clip_fb->height - 8, .75, .75, 1.);
> +
> +	/* White dots in the corners. */
> +	igt_paint_color(cr, 0, 0, 6, 6, 1., 1., 1.);
> +	igt_paint_color(cr, clip_fb->width - 6, 0, 6, 6, 1., 1., 1.);
> +	igt_paint_color(cr, 0, clip_fb->height - 6, 6, 6, 1., 1., 1.);
> +	igt_paint_color(cr, clip_fb->width - 6, clip_fb->height - 6, 6, 6, 1., 1., 1.);
> +
> +	igt_put_cairo_ctx(display->drm_fd, clip_fb, cr);
> +
> +	igt_pipe_crc_start(data->pipe_crc);
> +
> +	igt_plane_set_fb(primary, bg_fb);
> +	for_each_plane_on_pipe(display, pipe, plane) {
> +		struct igt_fb *cursor_fb = plane == primary ? black_cursor_fb : bg_cursor_fb;
> +		igt_crc_t ref_crc;
> +
> +		if (!plane_supports_format(plane, format) || plane == cursor)
> +			continue;
> +
> +		yuv_chroma_subpixel_clip_plane_with_cursor(data, plane, clip_fb, cursor, cursor_fb, &ref_crc, 63 + clip_fb->width, 64);
> +		ret |= yuv_chroma_subpixel_clip_plane_right(data, IGT_ROTATION_0, plane, clip_fb, &ref_crc);
> +		ret |= yuv_chroma_subpixel_clip_plane_right(data, IGT_ROTATION_90, plane, clip_fb, &ref_crc);
> +		ret |= yuv_chroma_subpixel_clip_plane_right(data, IGT_ROTATION_180, plane, clip_fb, &ref_crc);
> +		ret |= yuv_chroma_subpixel_clip_plane_right(data, IGT_ROTATION_270, plane, clip_fb, &ref_crc);
> +
> +		yuv_chroma_subpixel_clip_plane_with_cursor(data, plane, clip_fb, cursor, cursor_fb, &ref_crc, 64, 63 + clip_fb->height);
> +		ret |= yuv_chroma_subpixel_clip_plane_bottom(data, IGT_ROTATION_0, plane, clip_fb, &ref_crc);
> +		ret |= yuv_chroma_subpixel_clip_plane_bottom(data, IGT_ROTATION_90, plane, clip_fb, &ref_crc);
> +		ret |= yuv_chroma_subpixel_clip_plane_bottom(data, IGT_ROTATION_180, plane, clip_fb, &ref_crc);
> +		ret |= yuv_chroma_subpixel_clip_plane_bottom(data, IGT_ROTATION_270, plane, clip_fb, &ref_crc);
> +
> +		yuv_chroma_subpixel_clip_plane_with_cursor(data, plane, clip_fb, cursor, cursor_fb, &ref_crc, 65 - cursor_fb->width, 64);
> +		ret |= yuv_chroma_subpixel_clip_plane_left(data, IGT_ROTATION_0, plane, clip_fb, &ref_crc);
> +		ret |= yuv_chroma_subpixel_clip_plane_left(data, IGT_ROTATION_90, plane, clip_fb, &ref_crc);
> +		ret |= yuv_chroma_subpixel_clip_plane_left(data, IGT_ROTATION_180, plane, clip_fb, &ref_crc);
> +		ret |= yuv_chroma_subpixel_clip_plane_left(data, IGT_ROTATION_270, plane, clip_fb, &ref_crc);
> +
> +		yuv_chroma_subpixel_clip_plane_with_cursor(data, plane, clip_fb, cursor, cursor_fb, &ref_crc, 64, 65 - cursor_fb->height);
> +		ret |= yuv_chroma_subpixel_clip_plane_top(data, IGT_ROTATION_0, plane, clip_fb, &ref_crc);
> +		ret |= yuv_chroma_subpixel_clip_plane_top(data, IGT_ROTATION_90, plane, clip_fb, &ref_crc);
> +		ret |= yuv_chroma_subpixel_clip_plane_top(data, IGT_ROTATION_180, plane, clip_fb, &ref_crc);
> +		ret |= yuv_chroma_subpixel_clip_plane_top(data, IGT_ROTATION_270, plane, clip_fb, &ref_crc);
> +
> +		/* Reset to defaults */
> +		igt_plane_set_position(plane, 0, 0);
> +		igt_plane_set_rotation(plane, IGT_ROTATION_0);
> +		igt_plane_set_fb(plane, plane == primary ? bg_fb : NULL);
> +	}
> +
> +	igt_require_f(ret, "Could not test subpixel clipping in any corner\n");
> +}
> +
> +static void run_tests_for_pipe(data_t *data, enum pipe pipe,
> +			const char *fstr, unsigned int format)
Argument alignment?
> +{
> +	igt_output_t *output;
> +	igt_display_t *display = &data->display;
> +
> +	igt_subtest_group {
> +		igt_fixture {
> +			igt_display_require_output_on_pipe(display, pipe);
> +			igt_require(igt_fb_supported_format(format));
> +			igt_require(pipe_supports_format(display, pipe, format));
> +		}
> +
> +		igt_subtest_f("pipe-%s-%s-rgb-switch",
> +			kmstest_pipe_name(pipe), fstr)
> +			for_each_valid_output_on_pipe(display, pipe, output)
> +				yuv_rgb_switch(data, pipe, output, false, format);
> +
> +		igt_subtest_f("pipe-%s-%s-rgb-scaled-switch",
> +			kmstest_pipe_name(pipe), fstr)
> +			for_each_valid_output_on_pipe(display, pipe, output)
> +				yuv_rgb_switch(data, pipe, output, true, format);
> +
> +		igt_subtest_f("pipe-%s-%s-valid-width",
> +			kmstest_pipe_name(pipe), fstr)
> +			for_each_valid_output_on_pipe(display, pipe, output)
> +				yuv_valid_width(data, pipe, output, format);
> +
> +		igt_subtest_f("pipe-%s-%s-crop-scale-bug",
> +			kmstest_pipe_name(pipe), fstr)
> +			for_each_valid_output_on_pipe(display, pipe, output)
> +				yuv_crop_scale_bug(data, pipe, output, format);
> +
> +		igt_subtest_f("pipe-%s-%s-chroma-subpixel-clip",
> +			kmstest_pipe_name(pipe), fstr)
> +			for_each_valid_output_on_pipe(display, pipe, output)
> +				yuv_chroma_subpixel_clip(data, pipe, output, format);
> +	}
> +}
> +
> +igt_main
> +{
> +	data_t data = {};
> +	enum pipe pipe;
> +
> +	igt_skip_on_simulation();
> +
> +	igt_fixture {
> +		data.display.drm_fd = drm_open_driver_master(DRIVER_ANY);
> +
> +		kmstest_set_vt_graphics_mode();
> +		igt_display_require(&data.display, data.display.drm_fd);
> +		igt_require(data.display.is_atomic);
> +		igt_require_pipe_crc(data.display.drm_fd);
> +	}
> +
> +	for_each_pipe_static(pipe) {
> +		run_tests_for_pipe(&data, pipe, "NV12", DRM_FORMAT_NV12);
> +		run_tests_for_pipe(&data, pipe, "NV16", DRM_FORMAT_NV16);
> +		run_tests_for_pipe(&data, pipe, "NV21", DRM_FORMAT_NV21);
> +		run_tests_for_pipe(&data, pipe, "NV61", DRM_FORMAT_NV61);
> +		run_tests_for_pipe(&data, pipe, "YUV420", DRM_FORMAT_YUV420);
> +		run_tests_for_pipe(&data, pipe, "YUV422", DRM_FORMAT_YUV422);
> +		run_tests_for_pipe(&data, pipe, "YVU420", DRM_FORMAT_YVU420);
> +		run_tests_for_pipe(&data, pipe, "YVU422", DRM_FORMAT_YVU422);
> +		run_tests_for_pipe(&data, pipe, "P010", DRM_FORMAT_P010);
> +		run_tests_for_pipe(&data, pipe, "P012", DRM_FORMAT_P012);
> +		run_tests_for_pipe(&data, pipe, "P016", DRM_FORMAT_P016);
> +		run_tests_for_pipe(&data, pipe, "YUYV", DRM_FORMAT_YUYV);
> +		run_tests_for_pipe(&data, pipe, "YVYU", DRM_FORMAT_YVYU);
> +		run_tests_for_pipe(&data, pipe, "UYVY", DRM_FORMAT_UYVY);
> +		run_tests_for_pipe(&data, pipe, "VYUY", DRM_FORMAT_VYUY);
> +		run_tests_for_pipe(&data, pipe, "XYUV8888", DRM_FORMAT_XYUV8888);
Maarten, I doubt here..so we need to simply add YUV format here and no 
need to make any other change in kms_yuv igt?
> +	}
> +
> +	igt_fixture {
> +		igt_display_fini(&data.display);
> +		close(data.display.drm_fd);
> +	}
> +}
> diff --git a/tests/meson.build b/tests/meson.build
> index 0f12df26d9fb..b44b5a7c4c4f 100644
> --- a/tests/meson.build
> +++ b/tests/meson.build
> @@ -60,6 +60,7 @@ test_progs = [
>   	'kms_universal_plane',
>   	'kms_vblank',
>   	'kms_vrr',
> +	'kms_yuv',
>   	'meta_test',
>   	'perf',
>   	'pm_backlight',

-- 
~Swati Sharma


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