Re: [PATCH i-g-t] tests/kms_plane_scaling: Move get_num_scalers to a function, v2.

[Mika Kahola <mika.kahola@intel.com>]

On Tue, 2018-01-16 at 11:03 +0100, Maarten Lankhorst wrote:
> The number of scalers can depend on the pipe, so require at least 1
> scaler before running any subtests.
> 
> Changes since v1:
> - More closely match kernel implementation. (Mika)
> 

Reviewed-by: Mika Kahola <mika.kahola@intel.com>

> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> ---
>  tests/kms_plane_scaling.c | 22 ++++++++++++++++------
>  1 file changed, 16 insertions(+), 6 deletions(-)
> 
> diff --git a/tests/kms_plane_scaling.c b/tests/kms_plane_scaling.c
> index 7e9a948a6b33..dd87bd090705 100644
> --- a/tests/kms_plane_scaling.c
> +++ b/tests/kms_plane_scaling.c
> @@ -38,8 +38,6 @@ typedef struct {
>  	int image_w;
>  	int image_h;
>  
> -	int num_scalers;
> -
>  	struct igt_fb fb1;
>  	struct igt_fb fb2;
>  	struct igt_fb fb3;
> @@ -53,6 +51,18 @@ typedef struct {
>  	igt_plane_t *plane4;
>  } data_t;
>  
> +static int get_num_scalers(uint32_t devid, enum pipe pipe)
> +{
> +	igt_require(intel_gen(devid) >= 9);
> +
> +	if (intel_gen(devid) >= 10)
> +		return 2;
> +	else if (pipe != PIPE_C)
> +		return 2;
> +	else
> +		return 1;
> +}
> +
>  static void prepare_crtc(data_t *data, igt_output_t *output, enum
> pipe pipe,
>  			igt_plane_t *plane, drmModeModeInfo *mode,
> enum igt_commit_style s)
>  {
> @@ -170,8 +180,6 @@ test_plane_scaling_on_pipe(data_t *d, enum pipe
> pipe, igt_output_t *output)
>  	drmModeModeInfo *mode;
>  	int primary_plane_scaling = 0; /* For now */
>  
> -	igt_require(d->num_scalers > 0);
> -
>  	igt_display_reset(display);
>  	igt_output_set_pipe(output, pipe);
>  	mode = igt_output_get_mode(output);
> @@ -310,15 +318,17 @@ igt_main
>  		igt_require_pipe_crc(data.drm_fd);
>  		igt_display_init(&data.display, data.drm_fd);
>  		data.devid = intel_get_drm_devid(data.drm_fd);
> -		data.num_scalers = intel_gen(data.devid) >= 9 ? 2 :
> 0;
>  	}
>  
>  	for_each_pipe_static(pipe) igt_subtest_group {
>  		igt_output_t *output;
>  
> -		igt_fixture
> +		igt_fixture {
>  			igt_display_require_output_on_pipe(&data.dis
> play, pipe);
>  
> +			igt_require(get_num_scalers(data.devid,
> pipe) > 0);
> +		}
> +
>  		igt_subtest_f("pipe-%s-plane-scaling",
> kmstest_pipe_name(pipe))
>  			for_each_valid_output_on_pipe(&data.display,
> pipe, output)
>  				test_plane_scaling_on_pipe(&data,
> pipe, output);
-- 
Mika Kahola - Intel OTC

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