[igt-dev] [PATCH i-g-t v2 1/2] tests/kms_cursor_crc: Probe kernel for cursor size support
Lyude Paul
lyude at redhat.com
Fri Mar 19 18:43:56 UTC 2021
On Fri, 2021-03-19 at 20:00 +0200, Ville Syrjälä wrote:
> On Fri, Mar 19, 2021 at 01:40:52PM -0400, Lyude Paul wrote:
> > On Fri, 2021-03-19 at 17:01 +0200, Ville Syrjälä wrote:
> > > On Thu, Mar 18, 2021 at 06:21:23PM -0400, Lyude wrote:
> > > > From: Lyude Paul <lyude at redhat.com>
> > > >
> > > > Currently we just assume that every cursor size up to data-
> > > > >cursor_max_w/h
> > > > will
> > > > be supported by the driver, and check for support of nonsquare cursors
> > > > by
> > > > checking if we're running on u815 and if so, which variant of intel
> > > > hardware
> > > > we're running on. This isn't really ideal as we're about to enable 32x32
> > > > cursor
> > > > size tests for nouveau, and Intel hardware doesn't support cursor sizes
> > > > that
> > > > small.
> > > >
> > > > So, fix this by removing has_nonsquare_cursors() and replacing it with a
> > > > more
> > > > generic require_cursor_size() function which checks whether or not the
> > > > driver
> > > > we're using supports a given cursor size by attempting a test-only
> > > > atomic
> > > > commit.
> > > >
> > > > Signed-off-by: Lyude Paul <lyude at redhat.com>
> > > > Cc: Martin Peres <martin.peres at free.fr>
> > > > Cc: Ben Skeggs <bskeggs at redhat.com>
> > > > Cc: Jeremy Cline <jcline at redhat.com>
> > > > ---
> > > > tests/kms_cursor_crc.c | 131 ++++++++++++++++++++++++-----------------
> > > > 1 file changed, 76 insertions(+), 55 deletions(-)
> > > >
> > > > diff --git a/tests/kms_cursor_crc.c b/tests/kms_cursor_crc.c
> > > > index 3541ea06..b9c05472 100644
> > > > --- a/tests/kms_cursor_crc.c
> > > > +++ b/tests/kms_cursor_crc.c
> > > > @@ -523,26 +523,43 @@ static void create_cursor_fb(data_t *data, int
> > > > cur_w,
> > > > int cur_h)
> > > > igt_put_cairo_ctx(cr);
> > > > }
> > > >
> > > > -static bool has_nonsquare_cursors(data_t *data)
> > > > +static void require_cursor_size(data_t *data, int w, int h)
> > > > {
> > > > - uint32_t devid;
> > > > + igt_fb_t primary_fb;
> > > > + drmModeModeInfo *mode;
> > > > + igt_display_t *display = &data->display;
> > > > + igt_output_t *output = data->output;
> > > > + igt_plane_t *primary, *cursor;
> > > > + int ret;
> > > >
> > > > - if (!is_i915_device(data->drm_fd))
> > > > - return false;
> > > > + igt_output_set_pipe(output, data->pipe);
> > > >
> > > > - devid = intel_get_drm_devid(data->drm_fd);
> > > > + mode = igt_output_get_mode(output);
> > > > + primary = igt_output_get_plane_type(output,
> > > > DRM_PLANE_TYPE_PRIMARY);
> > > > + cursor = igt_output_get_plane_type(output,
> > > > DRM_PLANE_TYPE_CURSOR);
> > > >
> > > > - /*
> > > > - * Test non-square cursors a bit on the platforms
> > > > - * that support such things.
> > > > - */
> > > > - if (devid == PCI_CHIP_845_G || devid == PCI_CHIP_I865_G)
> > > > - return true;
> > > > + /* Create temporary primary fb for testing */
> > > > + igt_assert(igt_create_fb(data->drm_fd, mode->hdisplay, mode-
> > > > > vdisplay, DRM_FORMAT_XRGB8888,
> > > > + LOCAL_DRM_FORMAT_MOD_NONE,
> > > > &primary_fb));
> > > >
> > > > - if (IS_VALLEYVIEW(devid) || IS_CHERRYVIEW(devid))
> > > > - return false;
> > > > + igt_plane_set_fb(primary, &primary_fb);
> > > > + igt_plane_set_fb(cursor, &data->fb);
> > > > + igt_plane_set_size(cursor, w, h);
> > > > + igt_fb_set_size(&data->fb, cursor, w, h);
> > > > +
> > > > + /* Test if the kernel supports the given cursor size or not */
> > > > + ret = igt_display_try_commit_atomic(display,
> > > > + DRM_MODE_ATOMIC_TEST_ONLY |
> > > > +
> > > > DRM_MODE_ATOMIC_ALLOW_MODESET,
> > > > + NULL);
> > >
> > > Would be better to not depend on atomic. We have platforms
> > > that don't expose it yet.
> >
> > Do you have any other ideas how we could probe for this then? it seems like
> > the
> > only alternative would be to add intel-specific checks to fix that, or add
> > some
> > ioctl for querying the minimum cursor size (which sounds preferable imo).
> > would
> > the latter work for you, or do you have another idea?
>
> Just do it for real instead of TEST_ONLY.
ah-and it'll still fail in that case I assume?
>
> > >
> > > > +
> > > > + igt_plane_set_fb(primary, NULL);
> > > > + igt_plane_set_fb(cursor, NULL);
> > > > +
> > > > + igt_remove_fb(data->drm_fd, &primary_fb);
> > > > + igt_output_set_pipe(output, PIPE_NONE);
> > > >
> > > > - return intel_gen(devid) >= 7;
> > > > + igt_skip_on_f(ret, "Cursor size %dx%d not supported by
> > > > driver\n", w,
> > > > h);
> > > > }
> > > >
> > > > static void test_cursor_size(data_t *data)
> > > > @@ -697,27 +714,33 @@ static void run_tests_on_pipe(data_t *data, enum
> > > > pipe
> > > > pipe)
> > > > create_cursor_fb(data, w, h);
> > > > }
> > > >
> > > > - /* Using created cursor FBs to test cursor support */
> > > > - igt_describe("Check if a given-size cursor is well-
> > > > positioned inside the screen.");
> > > > - igt_subtest_f("pipe-%s-cursor-%dx%d-onscreen",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > - run_test(data, test_crc_onscreen, w, h);
> > > > -
> > > > - igt_describe("Check if a given-size cursor is well-
> > > > positioned outside the screen.");
> > > > - igt_subtest_f("pipe-%s-cursor-%dx%d-offscreen",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > - run_test(data, test_crc_offscreen, w, h);
> > > > -
> > > > - igt_describe("Check the smooth and pixel-by-pixel given-
> > > > size
> > > > cursor movements on"
> > > > - "horizontal, vertical and diagonal.");
> > > > - igt_subtest_f("pipe-%s-cursor-%dx%d-sliding",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > - run_test(data, test_crc_sliding, w, h);
> > > > -
> > > > - igt_describe("Check random placement of a cursor with
> > > > given
> > > > size.");
> > > > - igt_subtest_f("pipe-%s-cursor-%dx%d-random",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > - run_test(data, test_crc_random, w, h);
> > > > -
> > > > - igt_describe("Check the rapid update of given-size
> > > > cursor
> > > > movements.");
> > > > - igt_subtest_f("pipe-%s-cursor-%dx%d-rapid-movement",
> > > > kmstest_pipe_name(pipe), w, h) {
> > > > - run_test(data, test_rapid_movement, w, h);
> > > > + igt_subtest_group {
> > > > + igt_fixture
> > > > + require_cursor_size(data, w, h);
> > > > +
> > > > + /* Using created cursor FBs to test cursor
> > > > support
> > > > */
> > > > + igt_describe("Check if a given-size cursor is
> > > > well-
> > > > positioned inside the "
> > > > + "screen.");
> > > > + igt_subtest_f("pipe-%s-cursor-%dx%d-onscreen",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > + run_test(data, test_crc_onscreen, w, h);
> > > > +
> > > > + igt_describe("Check if a given-size cursor is
> > > > well-
> > > > positioned outside the "
> > > > + "screen.");
> > > > + igt_subtest_f("pipe-%s-cursor-%dx%d-offscreen",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > + run_test(data, test_crc_offscreen, w,
> > > > h);
> > > > +
> > > > + igt_describe("Check the smooth and pixel-by-
> > > > pixel
> > > > given-size cursor "
> > > > + "movements on horizontal, vertical
> > > > and
> > > > diagonal.");
> > > > + igt_subtest_f("pipe-%s-cursor-%dx%d-sliding",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > + run_test(data, test_crc_sliding, w, h);
> > > > +
> > > > + igt_describe("Check random placement of a cursor
> > > > with given size.");
> > > > + igt_subtest_f("pipe-%s-cursor-%dx%d-random",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > + run_test(data, test_crc_random, w, h);
> > > > +
> > > > + igt_describe("Check the rapid update of given-
> > > > size
> > > > cursor movements.");
> > > > + igt_subtest_f("pipe-%s-cursor-%dx%d-rapid-
> > > > movement",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > + run_test(data, test_rapid_movement, w,
> > > > h);
> > > > }
> > > >
> > > > igt_fixture
> > > > @@ -730,27 +753,25 @@ static void run_tests_on_pipe(data_t *data, enum
> > > > pipe
> > > > pipe)
> > > > */
> > > > h /= 3;
> > > >
> > > > - igt_fixture {
> > > > - if (has_nonsquare_cursors(data))
> > > > - create_cursor_fb(data, w, h);
> > > > - }
> > > > + igt_fixture
> > > > + create_cursor_fb(data, w, h);
> > > >
> > > > - /* Using created cursor FBs to test cursor support */
> > > > - igt_subtest_f("pipe-%s-cursor-%dx%d-onscreen",
> > > > kmstest_pipe_name(pipe), w, h) {
> > > > - igt_require(has_nonsquare_cursors(data));
> > > > - run_test(data, test_crc_onscreen, w, h);
> > > > - }
> > > > - igt_subtest_f("pipe-%s-cursor-%dx%d-offscreen",
> > > > kmstest_pipe_name(pipe), w, h) {
> > > > - igt_require(has_nonsquare_cursors(data));
> > > > - run_test(data, test_crc_offscreen, w, h);
> > > > - }
> > > > - igt_subtest_f("pipe-%s-cursor-%dx%d-sliding",
> > > > kmstest_pipe_name(pipe), w, h) {
> > > > - igt_require(has_nonsquare_cursors(data));
> > > > - run_test(data, test_crc_sliding, w, h);
> > > > - }
> > > > - igt_subtest_f("pipe-%s-cursor-%dx%d-random",
> > > > kmstest_pipe_name(pipe), w, h) {
> > > > - igt_require(has_nonsquare_cursors(data));
> > > > - run_test(data, test_crc_random, w, h);
> > > > + igt_subtest_group {
> > > > + igt_fixture
> > > > + require_cursor_size(data, w, h);
> > > > +
> > > > + /* Using created cursor FBs to test cursor
> > > > support
> > > > */
> > > > + igt_subtest_f("pipe-%s-cursor-%dx%d-onscreen",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > + run_test(data, test_crc_onscreen, w, h);
> > > > +
> > > > + igt_subtest_f("pipe-%s-cursor-%dx%d-offscreen",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > + run_test(data, test_crc_offscreen, w,
> > > > h);
> > > > +
> > > > + igt_subtest_f("pipe-%s-cursor-%dx%d-sliding",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > + run_test(data, test_crc_sliding, w, h);
> > > > +
> > > > + igt_subtest_f("pipe-%s-cursor-%dx%d-random",
> > > > kmstest_pipe_name(pipe), w, h)
> > > > + run_test(data, test_crc_random, w, h);
> > > > }
> > > >
> > > > igt_fixture
> > > > --
> > > > 2.29.2
> > > >
> > > > _______________________________________________
> > > > igt-dev mailing list
> > > > igt-dev at lists.freedesktop.org
> > > > https://lists.freedesktop.org/mailman/listinfo/igt-dev
> > >
> >
> > --
> > Sincerely,
> > Lyude Paul (she/her)
> > Software Engineer at Red Hat
> >
> > Note: I deal with a lot of emails and have a lot of bugs on my plate. If
> > you've
> > asked me a question, are waiting for a review/merge on a patch, etc. and I
> > haven't responded in a while, please feel free to send me another email to
> > check
> > on my status. I don't bite!
>
--
Sincerely,
Lyude Paul (she/her)
Software Engineer at Red Hat
Note: I deal with a lot of emails and have a lot of bugs on my plate. If you've
asked me a question, are waiting for a review/merge on a patch, etc. and I
haven't responded in a while, please feel free to send me another email to check
on my status. I don't bite!
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