[PATCH i-g-t v3 12/41] tests/vkms_configfs: Test CRTC valid values

[Louis Chauvet]

Le 15/07/2025 à 12:24, José Expósito a écrit :
> Test that all valid values for the CRTC "writeback" work and that it
> changes accordingly.
> 
> Signed-off-by: José Expósito <jose.exposito89 at gmail.com>

Reviewed-by: Louis Chauvet <louis.chauvet at bootlin.com>

> ---
>   tests/vkms/vkms_configfs.c | 25 +++++++++++++++++++++++++
>   1 file changed, 25 insertions(+)
> 
> diff --git a/tests/vkms/vkms_configfs.c b/tests/vkms/vkms_configfs.c
> index 1d96a627c..860a06f41 100644
> --- a/tests/vkms/vkms_configfs.c
> +++ b/tests/vkms/vkms_configfs.c
> @@ -382,6 +382,30 @@ static void test_crtc_wrong_values(void)
>   	igt_vkms_device_destroy(dev);
>   }
>   
> +/**
> + * SUBTEST: crtc-valid-values
> + * Description: Check that setting valid values works.
> + */
> +
> +static void test_crtc_valid_values(void)
> +{
> +	igt_vkms_t *dev;
> +
> +	dev = igt_vkms_device_create(__func__);
> +	igt_assert(dev);
> +
> +	igt_vkms_device_add_crtc(dev, "crtc0");
> +
> +	/* Test valid values for "writeback" */
> +	igt_vkms_crtc_set_writeback_enabled(dev, "crtc0", true);
> +	igt_assert(igt_vkms_crtc_is_writeback_enabled(dev, "crtc0"));
> +
> +	igt_vkms_crtc_set_writeback_enabled(dev, "crtc0", false);
> +	igt_assert(!igt_vkms_crtc_is_writeback_enabled(dev, "crtc0"));
> +
> +	igt_vkms_device_destroy(dev);
> +}
> +
>   igt_main
>   {
>   	struct {
> @@ -398,6 +422,7 @@ igt_main
>   		{ "crtc-default-files", test_crtc_default_files },
>   		{ "crtc-default-values", test_crtc_default_values },
>   		{ "crtc-wrong-values", test_crtc_wrong_values },
> +		{ "crtc-valid-values", test_crtc_valid_values },
>   	};
>   
>   	igt_fixture {

-- 
Louis Chauvet, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com