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tests/kms_plane: Ensure planes recover from DPMS

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i915 was using the main atomic 'disable plane' to turn off sprite planes
during a CRTC disable.  This was problematic because it modified the
plane state, preventing us from recovering the original state later.
One such case was that during a DPMS OFF followed by a DPMS ON, any
sprite planes would not be restored properly.

Let's add a test that toggles DPMS off and on and ensures that the CRC
remains the same (i.e., planes are successfully restored unchanged).

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Matt Roper 2015-03-04 10:50:53 -08:00 committed by Daniel Vetter
parent b8db5d60e0
commit 14a3d88a09
1 changed files with 20 additions and 1 deletions
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21
tests/kms_plane.c
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@ -145,6 +145,7 @@ create_fb_for_mode__position(data_t *data, drmModeModeInfo *mode,
enum {
TEST_POSITION_FULLY_COVERED = 1 << 0,
TEST_DPMS = 1 << 1,
};
static void
@ -158,7 +159,7 @@ test_plane_position_with_output(data_t *data,
igt_plane_t *primary, *sprite;
struct igt_fb primary_fb, sprite_fb;
drmModeModeInfo *mode;
igt_crc_t crc;
igt_crc_t crc, crc2;
igt_info("Testing connector %s using pipe %s plane %d\n",
igt_output_name(output), kmstest_pipe_name(pipe), plane);
@ -194,11 +195,24 @@ test_plane_position_with_output(data_t *data,
igt_pipe_crc_collect_crc(data->pipe_crc, &crc);
if (flags & TEST_DPMS) {
kmstest_set_connector_dpms(data->drm_fd,
output->config.connector,
DRM_MODE_DPMS_OFF);
kmstest_set_connector_dpms(data->drm_fd,
output->config.connector,
DRM_MODE_DPMS_ON);
}
igt_pipe_crc_collect_crc(data->pipe_crc, &crc2);
if (flags & TEST_POSITION_FULLY_COVERED)
igt_assert(igt_crc_equal(&test.reference_crc, &crc));
else
igt_assert(!igt_crc_equal(&test.reference_crc, &crc));
igt_assert(igt_crc_equal(&crc, &crc2));
igt_plane_set_fb(primary, NULL);
igt_plane_set_fb(sprite, NULL);
@ -358,6 +372,11 @@ run_tests_for_pipe_plane(data_t *data, enum pipe pipe, enum igt_plane plane)
kmstest_pipe_name(pipe), plane)
test_plane_position(data, pipe, plane, 0);
igt_subtest_f("plane-position-hole-dpms-pipe-%s-plane-%d",
kmstest_pipe_name(pipe), plane)
test_plane_position(data, pipe, plane,
TEST_DPMS);
igt_subtest_f("plane-panning-top-left-pipe-%s-plane-%d",
kmstest_pipe_name(pipe), plane)
test_plane_panning(data, pipe, plane, TEST_PANNING_TOP_LEFT);