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Therefore, force DSC > when in SDR mode so that output bpc and crc can be compared. > > Signed-off-by: Chaitanya Kumar Borah > --- > tests/kms_hdr.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++-- > 1 file changed, 50 insertions(+), 2 deletions(-) > > diff --git a/tests/kms_hdr.c b/tests/kms_hdr.c > index 76e103ac4..c1123531a 100644 > --- a/tests/kms_hdr.c > +++ b/tests/kms_hdr.c > @@ -97,6 +97,7 @@ enum { > TEST_INVALID_METADATA_SIZES = 1 << 4, > TEST_INVALID_HDR = 1 << 5, > TEST_BRIGHTNESS = 1 << 6, > + TEST_NEEDS_DSC = 1 << 7, > }; > > /* BPC connector state. */ > @@ -491,9 +492,20 @@ static void test_static_toggle(data_t *data, enum pipe pipe, > igt_plane_set_size(data->primary, data->w, data->h); > set_hdr_output_metadata(data, NULL); > igt_output_set_prop_value(data->output, IGT_CONNECTOR_MAX_BPC, 8); > + > + if (flags & TEST_NEEDS_DSC) { > + igt_force_dsc_enable(data->fd, output->name); Can you add debug prints in lib func() ? > + igt_assert(igt_is_force_dsc_enabled(data->fd, output->name)); > + } > + > igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL); > igt_assert_output_bpc_equal(data->fd, pipe, output->name, 8); > > + if (flags & TEST_NEEDS_DSC) { > + igt_force_dsc_disable(data->fd, output->name); > + igt_assert(igt_is_force_dsc_disabled(data->fd, output->name)); > + } > + > /* Apply HDR metadata and 10bpc. We expect a modeset for entering. */ > set_hdr_output_metadata(data, &hdr); > igt_output_set_prop_value(data->output, IGT_CONNECTOR_MAX_BPC, 10); > @@ -518,11 +530,22 @@ static void test_static_toggle(data_t *data, enum pipe pipe, > /* Disable HDR metadata and drop back to 8bpc. We expect a modeset for exiting. */ > set_hdr_output_metadata(data, NULL); > igt_output_set_prop_value(data->output, IGT_CONNECTOR_MAX_BPC, 8); > + > + if (flags & TEST_NEEDS_DSC) { > + igt_force_dsc_enable(data->fd, output->name); > + igt_assert(igt_is_force_dsc_enabled(data->fd, output->name)); > + } > + > igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL); > igt_assert_output_bpc_equal(data->fd, pipe, output->name, 8); > > igt_assert_crc_equal(&ref_crc, &new_crc); > > + if (flags & TEST_NEEDS_DSC) { > + igt_force_dsc_disable(data->fd, output->name); > + igt_assert(igt_is_force_dsc_disabled(data->fd, output->name)); > + } > + > cleanup: > test_fini(data); > igt_remove_fb(data->fd, &afb); > @@ -558,7 +581,7 @@ static void fill_hdr_output_metadata_sdr(struct hdr_output_metadata *meta) > meta->hdmi_metadata_type1.max_cll = 0; > } > > -static void test_static_swap(data_t *data, enum pipe pipe, igt_output_t *output) > +static void test_static_swap(data_t *data, enum pipe pipe, igt_output_t *output, uint32_t flags) > { > igt_display_t *display = &data->display; > igt_crc_t ref_crc, new_crc; > @@ -577,9 +600,20 @@ static void test_static_swap(data_t *data, enum pipe pipe, igt_output_t *output) > igt_plane_set_fb(data->primary, &afb); > igt_plane_set_size(data->primary, data->w, data->h); > igt_output_set_prop_value(data->output, IGT_CONNECTOR_MAX_BPC, 8); > + > + if (flags & TEST_NEEDS_DSC) { > + igt_force_dsc_enable(data->fd, output->name); > + igt_assert(igt_is_force_dsc_enabled(data->fd, output->name)); > + } > + > igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL); > igt_assert_output_bpc_equal(data->fd, pipe, output->name, 8); > > + if (flags & TEST_NEEDS_DSC) { > + igt_force_dsc_disable(data->fd, output->name); > + igt_assert(igt_is_force_dsc_disabled(data->fd, output->name)); > + } > + > /* Enter HDR, a modeset is allowed here. */ > fill_hdr_output_metadata_st2048(&hdr); > set_hdr_output_metadata(data, &hdr); > @@ -602,6 +636,10 @@ static void test_static_swap(data_t *data, enum pipe pipe, igt_output_t *output) > else > igt_display_commit_atomic(display, DRM_MODE_ATOMIC_ALLOW_MODESET, NULL); > > + if (flags & TEST_NEEDS_DSC) { > + igt_force_dsc_enable(data->fd, output->name); > + igt_assert(igt_is_force_dsc_enabled(data->fd, output->name)); > + } > /* Enter SDR via metadata, no modeset allowed for > * amd driver, whereas a modeset is required for > * intel driver. */ > @@ -623,6 +661,11 @@ static void test_static_swap(data_t *data, enum pipe pipe, igt_output_t *output) > /* Verify that the CRC didn't change while cycling metadata. */ > igt_assert_crc_equal(&ref_crc, &new_crc); > > + if (flags & TEST_NEEDS_DSC) { > + igt_force_dsc_disable(data->fd, output->name); > + igt_assert(igt_is_force_dsc_disabled(data->fd, output->name)); > + } > + > test_fini(data); > igt_remove_fb(data->fd, &afb); > } > @@ -714,6 +757,11 @@ static void test_hdr(data_t *data, uint32_t flags) > break; > } > > + if (igt_is_dsc_enabled(data->fd, output->name)) > + flags |= TEST_NEEDS_DSC; > + else > + flags &= ~TEST_NEEDS_DSC; > + > set_hdr_output_metadata(data, NULL); > igt_display_commit2(display, display->is_atomic ? > COMMIT_ATOMIC : COMMIT_LEGACY); > @@ -728,7 +776,7 @@ static void test_hdr(data_t *data, uint32_t flags) > TEST_INVALID_HDR | TEST_BRIGHTNESS)) > test_static_toggle(data, pipe, output, flags); > if (flags & TEST_SWAP) > - test_static_swap(data, pipe, output); > + test_static_swap(data, pipe, output, flags); > if (flags & TEST_INVALID_METADATA_SIZES) > test_invalid_metadata_sizes(data, output); > }