[igt-dev] [PATCH i-g-t v4] tests/kms_atomic: add test to validate immutable zpos
Sharma, Swati2
swati2.sharma at intel.com
Fri Mar 27 13:20:07 UTC 2020
On 24-Mar-20 10:01 PM, Ville Syrjälä wrote:
> On Tue, Mar 17, 2020 at 12:49:06PM +0530, Swati Sharma wrote:
>> i915 implements immutable zpos property whereas the existing test
>> case is written to validate mutable zpos.
>>
>> Added a new sub-test to validate immutable zpos. Test validates
>> the reported zpos property of plane by making sure only higher
>> zpos plane covers the lower zpos one (lower plane covers full screen,
>> upper plane covers half screen).
>>
>> Only two planes at a time are tested in increasing fashion to avoid
>> combinatorial explosion. By transitive property,
>> if (p1, z1) < (p2, z2) and (p2, z2) < (p3, z3) then (p1, z1) < (p3, z3)
>>
>> where p and z denotes planes and zpos
>>
>> v2: -Removed intel only checks [Martin]
>> -Used XRGB8888 pixel format as used in other IGTs
>> -Added documentation [Martin]
>> -Removed skip, instead continue if plane doesn't support zpos [Martin]
>> -Sorted planes in increasing order of zpos [Martin]
>> v3: -Fix description [Martin]
>> -Avoid sorting [Ankit]
>> v4: -Change in commit message [Ankit]
>> -Few minor changes [Ankit]
>>
>> Issue: https://gitlab.freedesktop.org/drm/intel/issues/404
>> Signed-off-by: Swati Sharma <swati2.sharma at intel.com>
>> Reviewed-by: Martin Peres <martin.peres at linux.intel.com>
>> Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
>> ---
>> tests/kms_atomic.c | 160 ++++++++++++++++++++++++++++++++++++++++++---
>> 1 file changed, 150 insertions(+), 10 deletions(-)
>>
>> diff --git a/tests/kms_atomic.c b/tests/kms_atomic.c
>> index 8462d128..4cb34d6d 100644
>> --- a/tests/kms_atomic.c
>> +++ b/tests/kms_atomic.c
>> @@ -121,7 +121,7 @@ static void plane_check_current_state(igt_plane_t *plane, const uint64_t *values
>> }
>>
>> static void plane_commit(igt_plane_t *plane, enum igt_commit_style s,
>> - enum kms_atomic_check_relax relax)
>> + enum kms_atomic_check_relax relax)
>> {
>> igt_display_commit2(plane->pipe->display, s);
>> plane_check_current_state(plane, plane->values, relax);
>> @@ -277,9 +277,9 @@ static uint32_t plane_get_igt_format(igt_plane_t *plane)
>> }
>>
>> static void
>> -plane_primary_overlay_zpos(igt_pipe_t *pipe, igt_output_t *output,
>> - igt_plane_t *primary, igt_plane_t *overlay,
>> - uint32_t format_primary, uint32_t format_overlay)
>> +plane_primary_overlay_mutable_zpos(igt_pipe_t *pipe, igt_output_t *output,
>> + igt_plane_t *primary, igt_plane_t *overlay,
>> + uint32_t format_primary, uint32_t format_overlay)
>> {
>> struct igt_fb fb_primary, fb_overlay;
>> drmModeModeInfo *mode = igt_output_get_mode(output);
>> @@ -320,7 +320,7 @@ plane_primary_overlay_zpos(igt_pipe_t *pipe, igt_output_t *output,
>> igt_plane_set_prop_value(overlay, IGT_PLANE_ZPOS, 1);
>>
>> igt_info("Committing with overlay on top, it has a hole "\
>> - "through which the primary should be seen\n");
>> + "through which the primary should be seen\n");
>> plane_commit(primary, COMMIT_ATOMIC, ATOMIC_RELAX_NONE);
>>
>> igt_assert_eq_u64(igt_plane_get_prop(primary, IGT_PLANE_ZPOS), 0);
>> @@ -346,7 +346,7 @@ plane_primary_overlay_zpos(igt_pipe_t *pipe, igt_output_t *output,
>> igt_put_cairo_ctx(pipe->display->drm_fd, &fb_primary, cr);
>>
>> igt_info("Committing with a hole in the primary through "\
>> - "which the underlay should be seen\n");
>> + "which the underlay should be seen\n");
>> plane_commit(primary, COMMIT_ATOMIC, ATOMIC_RELAX_NONE);
>>
>> /* reset it back to initial state */
>> @@ -358,6 +358,136 @@ plane_primary_overlay_zpos(igt_pipe_t *pipe, igt_output_t *output,
>> igt_assert_eq_u64(igt_plane_get_prop(overlay, IGT_PLANE_ZPOS), 1);
>> }
>>
>> +static void
>> +plane_immutable_zpos(igt_display_t *display, igt_pipe_t *pipe,
>> + igt_output_t *output)
>> +{
>> + cairo_t *cr;
>> + struct igt_fb fb_ref;
>> + igt_plane_t *primary;
>> + drmModeModeInfo *mode;
>> + igt_pipe_crc_t *pipe_crc;
>> + igt_crc_t ref_crc, new_crc;
>> + int n_planes = pipe->n_planes;
>> + igt_plane_t *plane_ptr[n_planes];
>> + uint32_t w_lower, h_lower, w_upper, h_upper;
>> +
>> + igt_require(n_planes >= 2);
>> +
>> + mode = igt_output_get_mode(output);
>> + primary = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
>> +
>> + /* for lower plane */
>> + w_lower = mode->hdisplay;
>> + h_lower = mode->vdisplay;
>> +
>> + /* for upper plane */
>> + w_upper = mode->hdisplay / 2;
>> + h_upper = mode->vdisplay / 2;
>
> I would make that just 64x64 aka. kms_plane/pixel-format*.
Done in v5. With that and change in pixel format able to validate cursor
plane aswell.
>
> Potentially we could use a 64x64 for all planes on many platforms
> but that might complicate the logic a bit so maybe a fullscreen plane
> for the lowerr plane is fine.
>
> Alhtough using a smaller size the lower plane would be more robust since
> then we could see that the uper plane looks correct even in places where
> there's no plane below it.
>
>> +
>> + igt_create_color_fb(display->drm_fd,
>> + w_lower, h_lower,
>> + DRM_FORMAT_XRGB8888,
>> + I915_TILING_NONE,
>> + 0.0, 0.0, 0.0, &fb_ref);
>> +
>> + /* create reference image */
>> + cr = igt_get_cairo_ctx(display->drm_fd, &fb_ref);
>> + igt_assert(cairo_status(cr) == 0);
>> + igt_paint_color(cr, 0, 0, w_lower, h_lower, 0.0, 0.0, 1.0);
>> + igt_paint_color(cr, w_upper / 2, h_upper / 2, w_upper, h_upper, 1.0, 1.0, 0.0);
>> + igt_put_cairo_ctx(display->drm_fd, &fb_ref, cr);
>> + igt_plane_set_fb(primary, &fb_ref);
>> + igt_display_commit2(display, COMMIT_ATOMIC);
>> +
>> + /* create the pipe_crc object for this pipe */
>> + pipe_crc = igt_pipe_crc_new(pipe->display->drm_fd, pipe->pipe,
>> + INTEL_PIPE_CRC_SOURCE_AUTO);
>> +
>> + /* get reference crc */
>> + igt_pipe_crc_start(pipe_crc);
>> + igt_pipe_crc_get_current(display->drm_fd, pipe_crc, &ref_crc);
>> +
>> + igt_plane_set_fb(primary, NULL);
>> +
>> + for (int k = 0; k < n_planes; k++) {
>> + int zpos;
>> + igt_plane_t *temp;
>> +
>> + temp = &display->pipes[pipe->pipe].planes[k];
>> +
>> + if (!igt_plane_has_prop(temp, IGT_PLANE_ZPOS))
>> + continue;
>> +
>> + assert(zpos < n_planes);
>> +
>> + zpos = igt_plane_get_prop(temp, IGT_PLANE_ZPOS);
>> + plane_ptr[zpos] = temp;
>> + }
>> +
>> + /*
>> + * checking only pairs of plane in increasing fashion
>> + * to avoid combinatorial explosion
>> + */
>> + for (int i = 0; i < n_planes - 1; i++) {
>> + int fb_id_lower, fb_id_upper;
>> + struct igt_fb fb_lower, fb_upper;
>> + igt_plane_t *plane_lower, *plane_upper;
>> +
>> + if (plane_ptr[i] != NULL)
>> + plane_lower = plane_ptr[i];
>> + else
>> + continue;
>> +
>> + while (i < (n_planes - 1)) {
>> + if (plane_ptr[i + 1] != NULL) {
>> + plane_upper = plane_ptr[i + 1];
>> + break;
>> + } else {
>> + i++;
>> + continue;
>> + }
>> + }
>> +
>> + if (i == (n_planes - 1))
>> + break;
>
> I have no idea what this is trying to do. Just
> pick plane[i] and plane[i+1] and proceed with the test?
>
Yes, true. It's not required.
>> +
>> + if ((plane_lower->type == DRM_PLANE_TYPE_CURSOR) ||
>> + (plane_upper->type == DRM_PLANE_TYPE_CURSOR))
>> + continue;
>
> We want to test cursors too.
Done in v5.
>
>> +
>> + fb_id_lower = igt_create_color_fb(display->drm_fd,
>> + w_lower, h_lower,
>> + DRM_FORMAT_XRGB8888,
>> + I915_TILING_NONE,
>> + 0.0, 0.0, 1.0, &fb_lower);
>> + igt_assert(fb_id_lower);
>> +
>> + fb_id_upper = igt_create_color_fb(display->drm_fd,
>> + w_upper, h_upper,
>> + DRM_FORMAT_XRGB8888,
>> + I915_TILING_NONE,
>> + 1.0, 1.0, 0.0, &fb_upper);
>> + igt_assert(fb_id_upper);
>
> Creating new fbs every iteration is pointless.
> You also seem to be leaking these.
Correct, sorry for this. Done in v5.
>
>> +
>> + igt_plane_set_position(plane_lower, 0, 0);
>> + igt_plane_set_fb(plane_lower, &fb_lower);
>> +
>> + igt_plane_set_position(plane_upper, w_upper / 2, h_upper / 2);
>> + igt_plane_set_fb(plane_upper, &fb_upper);
>> +
>> + igt_info("Committing with the plane[%d] underneath "\
>> + "plane[%d]\n", i, (i + 1));
>> + igt_display_commit2(display, COMMIT_ATOMIC);
>> + igt_pipe_crc_get_current(pipe->display->drm_fd, pipe_crc, &new_crc);
>> +
>> + igt_assert_crc_equal(&ref_crc, &new_crc);
>> +
>> + igt_plane_set_fb(plane_lower, NULL);
>> + igt_plane_set_fb(plane_upper, NULL);
>> + }
>> +}
>> +
>> static void plane_overlay(igt_pipe_t *pipe, igt_output_t *output, igt_plane_t *plane)
>> {
>> drmModeModeInfo *mode = igt_output_get_mode(output);
>> @@ -987,14 +1117,16 @@ igt_main
>> plane_primary(pipe_obj, primary, &fb);
>> }
>>
>> - igt_subtest("plane_primary_overlay_zpos") {
>> + igt_describe("Verify that the overlay plane can cover the primary one (and "\
>> + "vice versa) by changing their zpos property.");
>> + igt_subtest("plane_primary_overlay_mutable_zpos") {
>> uint32_t format_primary = DRM_FORMAT_ARGB8888;
>> uint32_t format_overlay = DRM_FORMAT_ARGB1555;
>>
>> igt_plane_t *overlay =
>> igt_pipe_get_plane_type(pipe_obj, DRM_PLANE_TYPE_OVERLAY);
>> -
>> igt_require(overlay);
>> +
>> igt_require(igt_plane_has_prop(primary, IGT_PLANE_ZPOS));
>> igt_require(igt_plane_has_prop(overlay, IGT_PLANE_ZPOS));
>>
>> @@ -1002,8 +1134,15 @@ igt_main
>> igt_require(igt_plane_has_format_mod(overlay, format_overlay, 0x0));
>>
>> igt_output_set_pipe(output, pipe);
>> - plane_primary_overlay_zpos(pipe_obj, output, primary, overlay,
>> - format_primary, format_overlay);
>> + plane_primary_overlay_mutable_zpos(pipe_obj, output, primary, overlay,
>> + format_primary, format_overlay);
>> + }
>> +
>> + igt_describe("Verify the reported zpos property of planes by making sure "\
>> + "only higher zpos planes cover the lower zpos ones.");
>> + igt_subtest("plane_immutable_zpos") {
>
> '-' is the normal delimeter in subtest names.
Thanks for pointing out.
>
>> + igt_output_set_pipe(output, pipe);
>> + plane_immutable_zpos(&display, pipe_obj, output);
>> }
>
> I don't see anything that checks the props are immutable. And probably we
> shouldn't do any suhc checks. Ie. the test is more of "check the defaut
> zpos values are correct". Although if the previous subtest messes with
Agreed. Were you expecting any change name in subtest?
> the zpos (which it looks like it will) then this will test different
> things depending on when it runs.
Mutable zpos changes zpos value back to default.
>
> The other subtest also seems needlessly specific (ie. only test a
> single pair of planes). No idea why it wasn't made generic as well.
Yeah correct. It's not generic aswell.
>
>>
>> igt_subtest("test_only") {
>
> Hrmh. Looks like this test has non-standard conventions :(
Send other patch, changing all subtests to standard conventions.
>
>
>> @@ -1011,6 +1150,7 @@ igt_main
>>
>> test_only(pipe_obj, primary, output);
>> }
>> +
>> igt_subtest("plane_cursor_legacy") {
>> igt_plane_t *cursor =
>> igt_pipe_get_plane_type(pipe_obj, DRM_PLANE_TYPE_CURSOR);
>> --
>> 2.25.1
>>
>> _______________________________________________
>> igt-dev mailing list
>> igt-dev at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/igt-dev
>
--
~Swati Sharma
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