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| author | Alex Hung <alex.hung@amd.com> | 2026-07-14 15:22:36 -0600 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-07-28 19:17:30 -0400 |
| commit | b99214c2d830adeb9720d3f46d781bad0c56c093 (patch) | |
| tree | 55e5b34001a847e90f1a6ed8632dce12ea2da47b | |
| parent | 298eb60f14d4be776c9e3c6759c834f5e327dca5 (diff) | |
| download | linux-b99214c2d830adeb9720d3f46d781bad0c56c093.tar.gz linux-b99214c2d830adeb9720d3f46d781bad0c56c093.zip | |
drm/amd/display: Add legacy plane LUT tests
[WHY]
The legacy plane color path did not exercise successful shaper, 3D
LUT, and blend LUT programming as a single transaction.
[HOW]
Provide valid legacy LUT blobs and verify that all three plane
color-management stages are enabled.
Assisted-by: Copilot:GPT-5.6-Sol
Reviewed-by: Bhawanpreet Lakha <bhawanpreet.lakha@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Fangzhi Zuo <jerry.zuo@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_color_test.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_color_test.c b/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_color_test.c index 0835177c98d2..025e408a8ae6 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_color_test.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/tests/amdgpu_dm_color_test.c @@ -2356,6 +2356,33 @@ static void dm_test_update_plane_color_mgmt_uses_color_caps(struct kunit *test) } /** + * dm_test_update_plane_color_mgmt_legacy_luts - Legacy shaper and blend LUTs succeed + * @test: KUnit test context + */ +static void dm_test_update_plane_color_mgmt_legacy_luts(struct kunit *test) +{ + const u32 lut3d_entries = + MAX_COLOR_3DLUT_SIZE * MAX_COLOR_3DLUT_SIZE * MAX_COLOR_3DLUT_SIZE; + struct dm_test_color_update_fixture f = dm_test_color_update_setup(test); + struct drm_plane_state *plane_state = &f.dm_plane_state->base; + int ret; + + f.adev->dm.dc->caps.color.dpp.hw_3d_lut = true; + f.dm_plane_state->shaper_lut = + dm_test_make_lut_blob(test, MAX_COLOR_LUT_ENTRIES); + f.dm_plane_state->lut3d = dm_test_make_lut_blob(test, lut3d_entries); + f.dm_plane_state->blend_lut = + dm_test_make_lut_blob(test, MAX_COLOR_LUT_ENTRIES); + + ret = amdgpu_dm_update_plane_color_mgmt(f.crtc_state, plane_state, + f.dc_plane_state); + KUNIT_EXPECT_EQ(test, ret, 0); + KUNIT_EXPECT_TRUE(test, f.dc_plane_state->cm.flags.bits.shaper_enable); + KUNIT_EXPECT_TRUE(test, f.dc_plane_state->cm.flags.bits.lut3d_enable); + KUNIT_EXPECT_TRUE(test, f.dc_plane_state->cm.flags.bits.blend_enable); +} + +/** * dm_test_update_plane_color_mgmt_plane_ctm - Plane CTM maps to gamut remap * @test: KUnit test context * @@ -2734,6 +2761,7 @@ static struct kunit_case dm_color_test_cases[] = { KUNIT_CASE(dm_test_update_plane_color_mgmt_plane_degamma_lut), KUNIT_CASE(dm_test_update_plane_color_mgmt_rejects_dual_degamma), KUNIT_CASE(dm_test_update_plane_color_mgmt_uses_color_caps), + KUNIT_CASE(dm_test_update_plane_color_mgmt_legacy_luts), KUNIT_CASE(dm_test_update_plane_color_mgmt_plane_ctm), KUNIT_CASE(dm_test_update_plane_color_mgmt_colorop_bypass_pipeline), KUNIT_CASE(dm_test_update_plane_color_mgmt_colorop_missing_multiplier), |