[PATCH i-g-t] tests/kms_plane_scaling: Require at least 30 Hz refresh rate

[Juha-Pekka Heikkila]

Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>

On 25.10.2024 11.42, Mika Kahola wrote:
> With HDMI dummies we may end up testing a mode that doesn't really
> resemble real life scenario like 4k mode with 17Hz refresh rate, which
> can lead issues when executing a test. Therefore, the patch proposes
> for intel-max-src-size to be tested with with real life refresh rate
> such as 30 Hz or higher.
> 
> Signed-off-by: Mika Kahola <mika.kahola at intel.com>
> ---
>   tests/kms_plane_scaling.c | 11 +++++++----
>   1 file changed, 7 insertions(+), 4 deletions(-)
> 
> diff --git a/tests/kms_plane_scaling.c b/tests/kms_plane_scaling.c
> index a55720ed9..c8c9aee31 100644
> --- a/tests/kms_plane_scaling.c
> +++ b/tests/kms_plane_scaling.c
> @@ -215,6 +215,7 @@ typedef struct {
>   struct invalid_paramtests {
>   	const char *testname;
>   	uint32_t planesize[2];
> +	uint32_t vrefresh;
>   	struct {
>   		enum igt_atomic_plane_properties prop;
>   		uint32_t value;
> @@ -225,6 +226,7 @@ static const struct invalid_paramtests intel_paramtests[] = {
>   	{
>   		.testname = "intel-max-src-size",
>   		.planesize = {3840, 2160},
> +		.vrefresh = 30,
>   	},
>   };
>   
> @@ -1220,13 +1222,14 @@ static void invalid_parameter_tests(data_t *d)
>   	}
>   }
>   
> -static drmModeModeInfo *find_mode(data_t *data, igt_output_t *output, const uint32_t planesize[])
> +static drmModeModeInfo *find_mode(data_t *data, igt_output_t *output, const struct invalid_paramtests *test)
>   {
>   	drmModeModeInfo *mode = NULL;
>   
>   	for (int i = 0; i < output->config.connector->count_modes; i++) {
> -		if (output->config.connector->modes[i].hdisplay == planesize[0] &&
> -		    output->config.connector->modes[i].vdisplay == planesize[1] ) {
> +		if (output->config.connector->modes[i].hdisplay == test->planesize[0] &&
> +		    output->config.connector->modes[i].vdisplay == test->planesize[1] &&
> +		    output->config.connector->modes[i].vrefresh >= test->vrefresh) {
>   			if (mode &&
>   			    mode->vrefresh < output->config.connector->modes[i].vrefresh)
>   				continue;
> @@ -1568,7 +1571,7 @@ igt_main_args("", long_opts, help_str, opt_handler, &data)
>   						 * Need to find mode with lowest vrefresh else
>   						 * we can exceed cdclk limits.
>   						 */
> -						mode = find_mode(&data, output, intel_paramtests[index].planesize);
> +						mode = find_mode(&data, output, &intel_paramtests[index]);
>   						if (mode) {
>   							igt_dynamic_f("pipe-%s-%s",
>   								       kmstest_pipe_name(pipe), igt_output_name(output))