Re: [PATCH i-g-t v4] tests/kms_plane_lowres: Plane visibility after atomic modesets

[Mika Kahola <mika.kahola@intel.com>]

On Thu, 2017-01-12 at 11:00 +0100, Maarten Lankhorst wrote:
> Op 30-12-16 om 13:47 schreef Mika Kahola:
> > 
> > Testcase for plane visibility after atomic modesets. The idea of
> > the test
> > is the following:
> > 
> >  - draw a blue screen with high resolution
> >  - enable a yellow plane, visible, in lower-left corner
> >  - set a new lower resolution mode (1024x768) that makes plane
> > invisible
> >  - check from debugfs 'i915_display_info' that the plane is
> > invisible
> >  - switch back to higher resolution mode
> >  - check from debugfs 'i915_display_info' that the plane is visible
> > again
> >  - repeat number of iterations, default 64
> > 
> > v2: allow test to be run on non-Intel drivers (Daniel)
> >     moved test for plane visibility to as helper function (Daniel)
> >     moved get_vblank() function to be part of helper functions
> > (Daniel)
> >     rename 'tiling' parameter as 'modifier' (Daniel)
> >     select a mode from a list so that the plane should be
> > invisible.
> >     use default 1024x768 mode only as a fallback if decent mode has
> > not
> >     been found (Daniel)
> >     add tiling MODE_NONE (Daniel)
> > 
> > v3: draw as many overlay planes as the platform supports + cursor
> > plane
> >     on top of each other on lower-left corner
> >     skip the test if i915_display_info file is not available
> >     test plane visibility with igt_assert_plane_visibility()
> > function
> >     drop option for multiple test iterations (Daniel Vetter)
> > 
> > v4: switch 'for_each_connected_output()' to
> >     'for_each_valid_output_on_pipe()' (Maarten)
> > 
> > Cc: Daniel Stone <daniel@fooishbar.org>
> > Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> > 
> > Signed-off-by: Mika Kahola <mika.kahola@intel.com>
> > ---
> >  lib/igt_kms.c            | 161 ++++++++++++++++++++++
> >  lib/igt_kms.h            |  23 ++++
> >  tests/Makefile.sources   |   1 +
> >  tests/kms_plane_lowres.c | 344
> > +++++++++++++++++++++++++++++++++++++++++++++++
> >  4 files changed, 529 insertions(+)
> >  create mode 100644 tests/kms_plane_lowres.c
> > 
> > diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> > index 5312f8d8..c823a3b 100644
> > --- a/lib/igt_kms.c
> > +++ b/lib/igt_kms.c
> > @@ -324,6 +324,24 @@ const char *kmstest_pipe_name(enum pipe pipe)
> >  }
> >  
> >  /**
> > + * kmstest_pipe_to_index:
> > + *@pipe: display pipe in string format
> > + *
> > + * Returns: index to corresponding pipe
> > + */
> > +int kmstest_pipe_to_index(char pipe)
> > +{
> > +	if (pipe == 'A')
> > +		return 0;
> > +	else if (pipe == 'B')
> > +		return 1;
> > +	else if (pipe == 'C')
> > +		return 2;
> > +	else
> > +		return -EINVAL;
> > +}
> > +
> > +/**
> >   * kmstest_plane_name:
> >   * @plane: display plane
> >   *
> > @@ -1181,6 +1199,149 @@ int kmstest_get_crtc_idx(drmModeRes *res,
> > uint32_t crtc_id)
> >  	igt_assert(false);
> >  }
> >  
> > +static inline uint32_t pipe_select(int pipe)
> > +{
> > +	if (pipe > 1)
> > +		return pipe << DRM_VBLANK_HIGH_CRTC_SHIFT;
> > +	else if (pipe > 0)
> > +		return DRM_VBLANK_SECONDARY;
> > +	else
> > +		return 0;
> > +}
> > +
> > +unsigned int kmstest_get_vblank(int fd, int pipe, unsigned int
> > flags)
> > +{
> > +	union drm_wait_vblank vbl;
> > +
> > +	memset(&vbl, 0, sizeof(vbl));
> > +	vbl.request.type = DRM_VBLANK_RELATIVE | pipe_select(pipe)
> > | flags;
> > +	if (drmIoctl(fd, DRM_IOCTL_WAIT_VBLANK, &vbl))
> > +		return 0;
> > +
> > +	return vbl.reply.sequence;
> > +}
> > +
> > +static void get_plane(char *str, int type, struct kmstest_plane
> > *plane)
> > +{
> > +	int ret;
> > +	char buf[256];
> > +
> > +	plane->plane = type;
> > +	ret = sscanf(str + 12, "%d%*c %*s %[^n]s",
> > +		     &plane->id,
> > +		     buf);
> > +	igt_assert_eq(ret, 2);
> > +
> > +	ret = sscanf(buf + 9, "%4d%*c%4d%*c", &plane->pos_x,
> > &plane->pos_y);
> > +	igt_assert_eq(ret, 2);
> > +
> > +	ret = sscanf(buf + 30, "%4d%*c%4d%*c", &plane->width,
> > &plane->height);
> > +	igt_assert_eq(ret, 2);
> > +}
> > +
> > +static int parse_planes(FILE *fid, struct kmstest_plane *plane)
> > +{
> > +	char tmp[256];
> > +	int nplanes;
> > +	int ovl;
> > +
> > +	ovl = 0;
> > +	nplanes = 0;
> > +	while (fgets(tmp, 256, fid) != NULL) {
> > +		igt_assert_neq(nplanes, IGT_MAX_PLANES);
> > +		if (strstr(tmp, "type=PRI") != NULL) {
> > +			get_plane(tmp, IGT_PLANE_PRIMARY,
> > &plane[nplanes]);
> > +			nplanes++;
> > +		} else if (strstr(tmp, "type=OVL") != NULL) {
> > +			get_plane(tmp, IGT_PLANE_2 + ovl,
> > &plane[nplanes]);
> > +			ovl++;
> > +			nplanes++;
> > +		} else if (strstr(tmp, "type=CUR") != NULL) {
> > +			get_plane(tmp, IGT_PLANE_CURSOR,
> > &plane[nplanes]);
> > +			nplanes++;
> > +			break;
> > +		}
> > +	}
> > +
> > +	return nplanes;
> > +}
> > +
> > +static void parse_crtc(char *info, struct kmstest_crtc *crtc)
> > +{
> > +	char buf[256];
> > +	int ret;
> > +	char pipe;
> > +
> > +	ret = sscanf(info + 4, "%d%*c %*s %c%*c %*s %s%*c",
> > +		     &crtc->id, &pipe, buf);
> > +	igt_assert_eq(ret, 3);
> > +
> > +	crtc->pipe = kmstest_pipe_to_index(pipe);
> > +	igt_assert(crtc->pipe >= 0);
> > +
> > +	ret = sscanf(buf + 6, "%d%*c%d%*c",
> > +		     &crtc->width, &crtc->height);
> > +	igt_assert_eq(ret, 2);
> > +}
> > +
> > +void kmstest_get_crtc(enum pipe pipe, struct kmstest_crtc *crtc)
> > +{
> > +	char tmp[256];
> > +	FILE *fid;
> > +	const char *mode = "r";
> > +	int ncrtc;
> > +	int line;
> > +
> > +	fid = igt_debugfs_fopen("i915_display_info", mode);
> > +
> > +	igt_skip_on(fid == NULL);
> > +
> > +	ncrtc = 0;
> > +	line = 0;
> > +	while (fgets(tmp, 256, fid) != NULL) {
> > +		if ((strstr(tmp, "CRTC") != NULL) && (line > 0)) {
> > +			if (strstr(tmp, "active=yes") != NULL) {
> > +				crtc->active = true;
> > +				parse_crtc(tmp, crtc);
> > +				crtc->nplanes = parse_planes(fid,
> > crtc->plane);
> > +
> > +				if (crtc->pipe != pipe)
> > +					crtc = NULL;
> > +				else
> > +					ncrtc++;
> > +			}
> > +		}
> > +
> > +		line++;
> > +	}
> > +
> > +	fclose(fid);
> > +
> > +	igt_skip_on(ncrtc == 0);
> > +}
> > +
> > +void igt_assert_plane_visible(enum pipe pipe, bool visibility)
> > +{
> > +	struct kmstest_crtc crtc;
> > +	int i;
> > +	bool visible;
> > +
> > +	kmstest_get_crtc(pipe, &crtc);
> > +
> > +	visible = true;
> > +	for (i = IGT_PLANE_2; i < crtc.nplanes; i++) {
> > +		if (crtc.plane[i].pos_x > crtc.width) {
> > +			visible = false;
> > +			break;
> > +		} else if (crtc.plane[i].pos_y > crtc.height) {
> > +			visible = false;
> > +			break;
> > +		}
> > +	}
> > +
> > +	igt_assert_eq(visible, visibility);
> > +}
> > +
> >  /*
> >   * A small modeset API
> >   */
> > diff --git a/lib/igt_kms.h b/lib/igt_kms.h
> > index 5234f6c..2da4ad9 100644
> > --- a/lib/igt_kms.h
> > +++ b/lib/igt_kms.h
> > @@ -57,6 +57,7 @@ enum pipe {
> >          I915_MAX_PIPES
> >  };
> >  const char *kmstest_pipe_name(enum pipe pipe);
> > +int kmstest_pipe_to_index(char pipe);
> >  
> >  /* We namespace this enum to not conflict with the Android
> > i915_drm.h */
> >  enum igt_plane {
> > @@ -132,6 +133,25 @@ struct kmstest_connector_config {
> >  	unsigned valid_crtc_idx_mask;
> >  };
> >  
> > +struct kmstest_plane {
> > +	int id;
> > +	int plane;
> > +	int pos_x;
> > +	int pos_y;
> > +	int width;
> > +	int height;
> > +};
> > +
> > +struct kmstest_crtc {
> > +	int id;
> > +	int pipe;
> > +	bool active;
> > +	int width;
> > +	int height;
> > +	int nplanes;
> > +	struct kmstest_plane plane[IGT_MAX_PLANES];
> > +};
> > +
> >  /**
> >   * kmstest_force_connector_state:
> >   * @FORCE_CONNECTOR_UNSPECIFIED: Unspecified
> > @@ -177,6 +197,9 @@ uint32_t kmstest_dumb_create(int fd, int width,
> > int height, int bpp,
> >  
> >  void *kmstest_dumb_map_buffer(int fd, uint32_t handle, uint64_t
> > size,
> >  			      unsigned prot);
> > +unsigned int kmstest_get_vblank(int fd, int pipe, unsigned int
> > flags);
> > +void kmstest_get_crtc(enum pipe pipe, struct kmstest_crtc *crtc);
> > +void igt_assert_plane_visible(enum pipe pipe, bool visibility);
> >  
> >  /*
> >   * A small modeset API
> > diff --git a/tests/Makefile.sources b/tests/Makefile.sources
> > index f6e08d6..6316ea6 100644
> > --- a/tests/Makefile.sources
> > +++ b/tests/Makefile.sources
> > @@ -111,6 +111,7 @@ TESTS_progs_M = \
> >  	kms_pipe_crc_basic \
> >  	kms_plane \
> >  	kms_plane_multiple \
> > +	kms_plane_lowres \
> >  	kms_properties \
> >  	kms_psr_sink_crc \
> >  	kms_render \
> > diff --git a/tests/kms_plane_lowres.c b/tests/kms_plane_lowres.c
> > new file mode 100644
> > index 0000000..21f8282
> > --- /dev/null
> > +++ b/tests/kms_plane_lowres.c
> > @@ -0,0 +1,344 @@
> > +/*
> > + * Copyright © 2016 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
> > (including the next
> > + * paragraph) 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.
> > + *
> > + */
> > +
> > +#include "igt.h"
> > +#include "drmtest.h"
> > +#include <errno.h>
> > +#include <stdbool.h>
> > +#include <stdio.h>
> > +#include <string.h>
> > +#include <time.h>
> > +
> > +IGT_TEST_DESCRIPTION("Test atomic mode setting with a plane by
> > switching between high and low resolutions");
> > +
> > +#define MAX_CRCS          1
> > +#define SIZE            256
> > +#define LOOP_FOREVER     -1
> > +
> > +typedef struct {
> > +	int drm_fd;
> > +	igt_display_t display;
> > +	igt_pipe_crc_t *pipe_crc;
> > +	igt_plane_t *plane[IGT_MAX_PLANES];
> > +	struct igt_fb fb[IGT_MAX_PLANES];
> > +} data_t;
> > +
> > +static drmModeModeInfo
> > +get_lowres_mode(int drmfd, drmModeModeInfo *mode_default)
> > +{
> > +	drmModeRes *mode_resources = drmModeGetResources(drmfd);
> > +	drmModeModeInfo mode;
> > +	drmModeModeInfo std_1024_mode = {
> > +		.clock = 65000,
> > +		.hdisplay = 1024,
> > +		.hsync_start = 1048,
> > +		.hsync_end = 1184,
> > +		.htotal = 1344,
> > +		.hskew = 0,
> > +		.vdisplay = 768,
> > +		.vsync_start = 771,
> > +		.vsync_end = 777,
> > +		.vtotal = 806,
> > +		.vscan = 0,
> > +		.vrefresh = 60,
> > +		.flags = 0xA,
> > +		.type = 0x40,
> > +		.name = "Custom 1024x768",
> > +	};
> > +	bool found;
> > +	int limit = mode_default->vdisplay-SIZE;
> > +	int i, j;
> > +
> > +	if (!mode_resources) {
> > +		igt_warn("drmModeGetResources failed: %s\n",
> > strerror(errno));
> > +		return std_1024_mode;
> > +	}
> > +
> > +	found = false;
> > +	for (i = 0; i < mode_resources->count_connectors; i++) {
> > +		drmModeConnector *connector;
> > +
> > +		connector = drmModeGetConnectorCurrent(drmfd,
> > +						       mode_resour
> > ces->connectors[i]);
> > +		if (!connector) {
> > +			igt_warn("could not get connector %i:
> > %s\n",
> > +				 mode_resources->connectors[i],
> > strerror(errno));
> > +			continue;
> > +		}
> > +
> > +		if (!connector->count_modes)
> > +			continue;
> > +
> > +		for (j = 0; j < connector->count_modes; j++) {
> > +			mode = connector->modes[j];
> > +			if (mode.vdisplay < limit) {
> > +				found = true;
> > +				break;
> > +			}
> > +		}
> > +
> > +		drmModeFreeConnector(connector);
> > +	}
> > +
> > +	drmModeFreeResources(mode_resources);
> > +
> > +	if (!found)
> > +		return std_1024_mode;
> > +
> > +	return mode;
> > +}
> > +
> > +static void
> > +test_init(data_t *data, enum pipe pipe)
> > +{
> > +	data->pipe_crc = igt_pipe_crc_new(pipe,
> > INTEL_PIPE_CRC_SOURCE_AUTO);
> > +}
> > +
> > +static void
> > +test_fini(data_t *data, igt_output_t *output)
> > +{
> > +	/* restore original mode */
> > +	igt_output_override_mode(output, NULL);
> > +
> > +	for (int i = 0; i < 2; i++)
> > +		igt_plane_set_fb(data->plane[i], NULL);
> > +
> > +	/* reset the constraint on the pipe */
> > +	igt_output_set_pipe(output, PIPE_ANY);
> > +
> > +	igt_pipe_crc_free(data->pipe_crc);
> > +}
> > +
> > +static int
> > +display_commit_mode(data_t *data, enum pipe pipe, int flags,
> > igt_crc_t *crc)
> > +{
> > +	char buf[256];
> > +	struct drm_event *e = (void *)buf;
> > +	unsigned int vblank_start, vblank_stop;
> > +	int n, ret;
> > +
> > +	vblank_start = kmstest_get_vblank(data->display.drm_fd,
> > pipe,
> > +					  DRM_VBLANK_NEXTONMISS);
> > +
> > +	ret = igt_display_try_commit_atomic(&data->display,
> > +					    flags,
> > +					    NULL);
> > +	igt_skip_on(ret != 0);
> > +
> > +	igt_set_timeout(1, "Stuck on page flip");
> > +	ret = read(data->display.drm_fd, buf, sizeof(buf));
> > +	igt_assert(ret >= 0);
> > +
> > +	vblank_stop = kmstest_get_vblank(data->display.drm_fd,
> > pipe, 0);
> > +	igt_assert_eq(e->type, DRM_EVENT_FLIP_COMPLETE);
> > +	igt_reset_timeout();
> > +
> > +	n = igt_pipe_crc_get_crcs(data->pipe_crc, vblank_stop -
> > vblank_start,
> > +				  &crc);
> > +	igt_assert_eq(n, vblank_stop - vblank_start);
> > +
> > +	return n;
> > +}
> > +
> > +static void
> > +check_mode(drmModeModeInfo *mode1, drmModeModeInfo *mode2)
> > +{
> > +	igt_assert_eq(mode1->hdisplay, mode2->hdisplay);
> > +	igt_assert_eq(mode1->vdisplay, mode2->vdisplay);
> > +	igt_assert_eq(mode1->vrefresh, mode2->vrefresh);
> > +}
> > +
> > +static drmModeModeInfo *
> > +test_setup(data_t *data, enum pipe pipe, uint64_t modifier, int
> > flags,
> > +	   igt_output_t *output)
> > +{
> > +	struct kmstest_crtc crtc;
> > +	drmModeModeInfo *mode;
> > +	int size;
> > +	int i, x, y;
> > +
> > +	igt_output_set_pipe(output, pipe);
> > +
> > +	kmstest_get_crtc(pipe, &crtc);
> > +	igt_skip_on(crtc.nplanes > data-
> > >display.pipes[pipe].n_planes);
> > +	igt_skip_on(crtc.nplanes == 0);
> > +
> > +	for (i = 0; i < crtc.nplanes; i++)
> > +		data->plane[i] = igt_output_get_plane(output,
> > crtc.plane[i].plane);
> > +
> > +	mode = igt_output_get_mode(output);
> > +
> > +	igt_create_color_fb(data->drm_fd, mode->hdisplay, mode-
> > >vdisplay,
> > +			    DRM_FORMAT_XRGB8888,
> > +			    modifier,
> > +			    0.0, 0.0, 1.0,
> > +			    &data->fb[0]);
> > +
> > +	igt_plane_set_fb(data->plane[0], &data->fb[0]);
> > +
> > +	/* yellow sprite plane in lower left corner */
> > +	for (i = IGT_PLANE_2; i < crtc.nplanes; i++) {
> > +		if (data->plane[i]->is_cursor)
> > +			size = 64;
> > +		else
> > +			size = SIZE;
> > +
> > +		x = 0;
> > +		y = mode->vdisplay - size;
> > +
> > +		igt_create_color_fb(data->drm_fd,
> > +				    size, size,
> > +				    data->plane[i]->is_cursor ?
> > DRM_FORMAT_ARGB8888 : DRM_FORMAT_XRGB8888,
> > +				    data->plane[i]->is_cursor ?
> > LOCAL_DRM_FORMAT_MOD_NONE : modifier,
> > +				    1.0, 1.0, 0.0,
> > +				    &data->fb[i]);
> > +
> > +		igt_plane_set_position(data->plane[i], x, y);
> > +		igt_plane_set_fb(data->plane[i], &data->fb[i]);
> > +	}
> > +
> > +	return mode;
> > +}
> > +
> > +static void
> > +test_plane_position_with_output(data_t *data, enum pipe pipe,
> > +				igt_output_t *output, uint64_t
> > modifier)
> > +{
> > +	igt_crc_t *crc_hires1, *crc_hires2;
> > +	igt_crc_t *crc_lowres;
> > +	drmModeModeInfo mode_lowres;
> > +	drmModeModeInfo *mode1, *mode2, *mode3;
> > +	int ret, n;
> > +	int flags = DRM_MODE_PAGE_FLIP_EVENT |
> > DRM_MODE_ATOMIC_ALLOW_MODESET;
> > +
> > +	igt_info("Testing connector %s using pipe %s\n",
> > +		 igt_output_name(output),
> > kmstest_pipe_name(pipe));
> > +
> > +	test_init(data, pipe);
> > +
> > +	mode1 = test_setup(data, pipe, modifier, flags, output);
> > +
> > +	mode_lowres = get_lowres_mode(data->drm_fd, mode1);
> > +
> > +	igt_pipe_crc_start(data->pipe_crc);
> > +	ret = igt_display_try_commit2(&data->display,
> > COMMIT_ATOMIC);
> > +	igt_skip_on(ret != 0);
> > +
> > +	n = igt_pipe_crc_get_crcs(data->pipe_crc, 1, &crc_hires1);
> > +	igt_assert_eq(1, n);
> > +
> > +	igt_assert_plane_visible(pipe, true);
> > +
> > +	/* switch to lower resolution */
> > +	igt_output_override_mode(output, &mode_lowres);
> > +	igt_output_set_pipe(output, pipe);
> > +
> > +	mode2 = igt_output_get_mode(output);
> > +
> > +	check_mode(&mode_lowres, mode2);
> > +
> > +	display_commit_mode(data, pipe, flags, crc_lowres);
> > +
> > +	igt_assert_plane_visible(pipe, false);
> > +
> > +	/* switch back to higher resolution */
> > +	igt_output_override_mode(output, NULL);
> > +	igt_output_set_pipe(output, pipe);
> > +
> > +	mode3 = igt_output_get_mode(output);
> > +
> > +	check_mode(mode1, mode3);
> > +
> > +	display_commit_mode(data, pipe, flags, crc_hires2);
> > +
> > +	igt_assert_plane_visible(pipe, true);
> > +
> > +	igt_pipe_crc_stop(data->pipe_crc);
> > +
> > +	test_fini(data, output);
> > +}
> > +
> > +static void
> > +test_plane_position(data_t *data, enum pipe pipe, uint64_t
> > modifier)
> > +{
> > +	igt_output_t *output;
> > +	int connected_outs;
> > +
> > +	igt_require(data->display.is_atomic);
> > +	igt_skip_on(pipe >= data->display.n_pipes);
> > +
> > +	connected_outs = 0;
> > +	for_each_valid_output_on_pipe(&data->display, pipe,
> > output) {
> > +		test_plane_position_with_output(data, pipe,
> > output, modifier);
> > +		connected_outs++;
> > +	}
> > +
> > +	igt_skip_on(connected_outs == 0);
> > +
> > +}
> > +
> > +static void
> > +run_tests_for_pipe(data_t *data, enum pipe pipe)
> > +{
> > +	igt_subtest_f("pipe-%s-tiling-none",
> > +		      kmstest_pipe_name(pipe))
> > +		test_plane_position(data, pipe,
> > LOCAL_DRM_FORMAT_MOD_NONE);
> > +
> > +	igt_subtest_f("pipe-%s-tiling-x",
> > +		      kmstest_pipe_name(pipe))
> > +		test_plane_position(data, pipe,
> > LOCAL_I915_FORMAT_MOD_X_TILED);
> > +
> > +	igt_subtest_f("pipe-%s-tiling-y",
> > +		      kmstest_pipe_name(pipe))
> > +		test_plane_position(data, pipe,
> > LOCAL_I915_FORMAT_MOD_Y_TILED);
> > +
> > +	igt_subtest_f("pipe-%s-tiling-yf",
> > +		      kmstest_pipe_name(pipe))
> > +		test_plane_position(data, pipe,
> > LOCAL_I915_FORMAT_MOD_Yf_TILED);
> > +}
> These tests require some changes to run succesfully on gen < 9.
> 
> from kms_flip_tiling.c it seems that
> 
> Y and Yf tiling requires gen >= 9, else tests fail with -EINVAL in
> addfb.
Ah, right. I'll fix this.

> 
> If fixed:
> 
> Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Thanks for the review!
-- 
Mika Kahola - Intel OTC

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