Re: [igt-dev] [PATCH i-g-t 1/4] tests/kms_plane_scaling: Add support for testing AMDGPU

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Tue, Nov 13, 2018 at 10:23:47AM -0500, Nicholas Kazlauskas wrote:
> The plane_scaling subtests are capable of running on AMDGPU when
> not using i915 specific tiling formats and when the test only requires
> one scaler per pipe.

I don't see any specific reason why we'd want to use tiled formats on
i915 either. The only exception is the rotation test which requires
Y tiling for 90/270 degrees. I think everything else should be fine
with linear.

> 
> This patch removes the forced i915 devid and gen checks from non i915
> devices. It also adds logic for getting the number of scalers per pipe
> in a way that doesn't only depend on devid. One scaler per pipe is
> assumed for AMDGPU.
> 
> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
> ---
>  tests/kms_plane_scaling.c | 46 ++++++++++++++++++++++++---------------
>  1 file changed, 29 insertions(+), 17 deletions(-)
> 
> diff --git a/tests/kms_plane_scaling.c b/tests/kms_plane_scaling.c
> index 773162ec..ee29f11e 100644
> --- a/tests/kms_plane_scaling.c
> +++ b/tests/kms_plane_scaling.c
> @@ -46,11 +46,14 @@ typedef struct {
>  	igt_plane_t *plane4;
>  } data_t;
>  
> -static int get_num_scalers(uint32_t devid, enum pipe pipe)
> +static int get_num_scalers(data_t* d, enum pipe pipe)
>  {
> -	igt_require(intel_gen(devid) >= 9);
> +	if (!is_i915_device(d->drm_fd))
> +		return 1;
> +
> +	igt_require(intel_gen(d->devid) >= 9);
>  
> -	if (intel_gen(devid) >= 10)
> +	if (intel_gen(d->devid) >= 10)
>  		return 2;
>  	else if (pipe != PIPE_C)
>  		return 2;
> @@ -79,6 +82,8 @@ static void prepare_crtc(data_t *data, igt_output_t *output, enum pipe pipe,
>  			igt_plane_t *plane, drmModeModeInfo *mode)
>  {
>  	igt_display_t *display = &data->display;
> +	uint64_t tiling = is_i915_device(data->drm_fd) ?
> +		LOCAL_I915_FORMAT_MOD_X_TILED : LOCAL_DRM_FORMAT_MOD_NONE;
>  
>  	cleanup_crtc(data);
>  
> @@ -90,7 +95,7 @@ static void prepare_crtc(data_t *data, igt_output_t *output, enum pipe pipe,
>  	/* allocate fb for plane 1 */
>  	igt_create_pattern_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
>  			      DRM_FORMAT_XRGB8888,
> -			      LOCAL_I915_FORMAT_MOD_X_TILED, /* tiled */
> +			      tiling,
>  			      &data->fb[0]);
>  
>  	igt_plane_set_fb(plane, &data->fb[0]);
> @@ -170,6 +175,8 @@ static void test_scaler_with_rotation_pipe(data_t *d, enum pipe pipe,
>  {
>  	igt_display_t *display = &d->display;
>  	igt_plane_t *plane;
> +	uint64_t tiling = is_i915_device(d->drm_fd) ?
> +		LOCAL_I915_FORMAT_MOD_Y_TILED : LOCAL_DRM_FORMAT_MOD_NONE;
>  
>  	igt_output_set_pipe(output, pipe);
>  	for_each_plane_on_pipe(display, pipe, plane) {
> @@ -183,8 +190,8 @@ static void test_scaler_with_rotation_pipe(data_t *d, enum pipe pipe,
>  				if (igt_fb_supported_format(format) &&
>  				    can_rotate(d, format))
>  					check_scaling_pipe_plane_rot(d, plane, format,
> -								     LOCAL_I915_FORMAT_MOD_Y_TILED,
> -								     pipe, output, rot);
> +								     tiling, pipe,
> +								     output, rot);
>  			}
>  		}
>  	}
> @@ -264,6 +271,8 @@ test_plane_scaling_on_pipe(data_t *d, enum pipe pipe, igt_output_t *output)
>  	igt_display_t *display = &d->display;
>  	drmModeModeInfo *mode;
>  	int primary_plane_scaling = 0; /* For now */
> +	uint64_t tiling = is_i915_device(display->drm_fd) ?
> +		LOCAL_I915_FORMAT_MOD_X_TILED : LOCAL_DRM_FORMAT_MOD_NONE;
>  
>  	mode = igt_output_get_mode(output);
>  
> @@ -273,13 +282,13 @@ test_plane_scaling_on_pipe(data_t *d, enum pipe pipe, igt_output_t *output)
>  
>  	igt_create_color_pattern_fb(display->drm_fd, 600, 600,
>  				    DRM_FORMAT_XRGB8888,
> -				    LOCAL_I915_FORMAT_MOD_X_TILED, /* tiled */
> +				    tiling,
>  				    .5, .5, .5, &d->fb[1]);
>  
>  	igt_create_pattern_fb(d->drm_fd,
>  			      mode->hdisplay, mode->vdisplay,
>  			      DRM_FORMAT_XRGB8888,
> -			      LOCAL_I915_FORMAT_MOD_X_TILED, /* tiled */
> +			      tiling,
>  			      &d->fb[2]);
>  
>  	if (primary_plane_scaling) {
> @@ -425,7 +434,7 @@ test_scaler_with_clipping_clamping_scenario(data_t *d, enum pipe pipe, igt_outpu
>  {
>  	drmModeModeInfo *mode;
>  
> -	igt_require(get_num_scalers(d->devid, pipe) >= 2);
> +	igt_require(get_num_scalers(d, pipe) >= 2);
>  
>  	mode = igt_output_get_mode(output);
>  	d->plane1 = &d->display.pipes[pipe].planes[0];
> @@ -480,6 +489,8 @@ static void test_scaler_with_multi_pipe_plane(data_t *d)
>  	igt_output_t *output1, *output2;
>  	drmModeModeInfo *mode1, *mode2;
>  	enum pipe pipe1, pipe2;
> +	uint64_t tiling = is_i915_device(display->drm_fd) ?
> +		LOCAL_I915_FORMAT_MOD_Y_TILED : LOCAL_DRM_FORMAT_MOD_NONE;
>  
>  	cleanup_crtc(d);
>  
> @@ -492,28 +503,28 @@ static void test_scaler_with_multi_pipe_plane(data_t *d)
>  	igt_output_set_pipe(output2, pipe2);
>  
>  	d->plane1 = igt_output_get_plane(output1, 0);
> -	d->plane2 = get_num_scalers(d->devid, pipe1) >= 2 ? igt_output_get_plane(output1, 1) : NULL;
> +	d->plane2 = get_num_scalers(d, pipe1) >= 2 ? igt_output_get_plane(output1, 1) : NULL;
>  	d->plane3 = igt_output_get_plane(output2, 0);
> -	d->plane4 = get_num_scalers(d->devid, pipe2) >= 2 ? igt_output_get_plane(output2, 1) : NULL;
> +	d->plane4 = get_num_scalers(d, pipe2) >= 2 ? igt_output_get_plane(output2, 1) : NULL;
>  
>  	mode1 = igt_output_get_mode(output1);
>  	mode2 = igt_output_get_mode(output2);
>  
>  	igt_create_pattern_fb(d->drm_fd, 600, 600,
>  			      DRM_FORMAT_XRGB8888,
> -			      LOCAL_I915_FORMAT_MOD_Y_TILED, &d->fb[0]);
> +			      tiling, &d->fb[0]);
>  
>  	igt_create_pattern_fb(d->drm_fd, 500, 500,
>  			      DRM_FORMAT_XRGB8888,
> -			      LOCAL_I915_FORMAT_MOD_Y_TILED, &d->fb[1]);
> +			      tiling, &d->fb[1]);
>  
>  	igt_create_pattern_fb(d->drm_fd, 700, 700,
>  			      DRM_FORMAT_XRGB8888,
> -			      LOCAL_I915_FORMAT_MOD_Y_TILED, &d->fb[2]);
> +			      tiling, &d->fb[2]);
>  
>  	igt_create_pattern_fb(d->drm_fd, 400, 400,
>  			      DRM_FORMAT_XRGB8888,
> -			      LOCAL_I915_FORMAT_MOD_Y_TILED, &d->fb[3]);
> +			      tiling, &d->fb[3]);
>  
>  	igt_plane_set_fb(d->plane1, &d->fb[0]);
>  	if (d->plane2)
> @@ -545,7 +556,8 @@ igt_main
>  		data.drm_fd = drm_open_driver_master(DRIVER_INTEL);
>  		igt_require_pipe_crc(data.drm_fd);
>  		igt_display_require(&data.display, data.drm_fd);
> -		data.devid = intel_get_drm_devid(data.drm_fd);
> +		data.devid = is_i915_device(data.drm_fd) ?
> +			intel_get_drm_devid(data.drm_fd) : 0;
>  		igt_require(data.display.is_atomic);
>  	}
>  
> @@ -555,7 +567,7 @@ igt_main
>  		igt_fixture {
>  			igt_display_require_output_on_pipe(&data.display, pipe);
>  
> -			igt_require(get_num_scalers(data.devid, pipe) > 0);
> +			igt_require(get_num_scalers(&data, pipe) > 0);
>  		}
>  
>  		igt_subtest_f("pipe-%s-plane-scaling", kmstest_pipe_name(pipe))
> -- 
> 2.17.1
> 
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-- 
Ville Syrjälä
Intel
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