[igt-dev] [i-g-t V4 38/52] tests/i915/kms_big_joiner: Negative tests for Bigjoiner

Karthik B S karthik.b.s at intel.com
Fri Sep 23 04:39:35 UTC 2022


On 9/21/2022 9:27 PM, Bhanuprakash Modem wrote:
> Add negative tests to validate Bigjoiner or 8K mode.
>
> Example:
> * Pipe-D wont support a mode > 5K
> * To use 8K mode on a pipe then consecutive pipe must be available & free.
>
> Kernel should reject the commit/modeset if above conditions won't met.
>
> V2:
> - Fix redundant negative tests
>
> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
> ---
>   tests/i915/kms_big_joiner.c | 194 ++++++++++++++++--------------------
>   1 file changed, 85 insertions(+), 109 deletions(-)
>
> diff --git a/tests/i915/kms_big_joiner.c b/tests/i915/kms_big_joiner.c
> index 7d400616..a1efb146 100644
> --- a/tests/i915/kms_big_joiner.c
> +++ b/tests/i915/kms_big_joiner.c
> @@ -45,111 +45,40 @@ typedef struct {
>
>   static void test_invalid_modeset(data_t *data)
>   {
> -	drmModeModeInfo *mode;
> +	igt_output_t *output;
>   	igt_display_t *display = &data->display;
> -	igt_output_t *output, *big_joiner_output = NULL, *second_output = NULL;
>   	int ret;
> -	igt_pipe_t *pipe;
> -	igt_plane_t *plane;
> -
> -	igt_display_reset(display);
> -
> -	for_each_connected_output(display, output) {
> -		mode = &output->config.connector->modes[0];
> -
> -		if (data->big_joiner_output[0].id == output->id) {
> -			big_joiner_output = output;
> -		} else if (second_output == NULL) {
> -			second_output = output;
> -		}
> -	}
> -
> -	igt_output_set_pipe(big_joiner_output, data->pipe1);
> -
> -	mode = &big_joiner_output->config.connector->modes[data->big_joiner_output[0].mode_number];
> -	igt_output_override_mode(big_joiner_output, mode);
>
> -	pipe = &display->pipes[data->pipe1];
> -	plane = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
> +	igt_info("Bigjoiner test on ");
> +	for_each_connected_output(display, output){
> +		enum pipe p = output->pending_pipe;
> +		drmModeModeInfo *mode;
> +		igt_pipe_t *pipe;
> +		igt_plane_t *plane;
>
> -	igt_plane_set_fb(plane, &data->fb);
> -	igt_fb_set_size(&data->fb, plane, mode->hdisplay, mode->vdisplay);
> -	igt_plane_set_size(plane, mode->hdisplay, mode->vdisplay);
> +		if (p == PIPE_NONE)
> +			continue;
>
> -	igt_display_commit2(display, COMMIT_ATOMIC);
> +		mode = igt_output_get_mode(output);
> +		igt_info("pipe:%s, output:%s, mode:", kmstest_pipe_name(p), igt_output_name(output));
> +		kmstest_dump_mode(mode);
>
> -	igt_output_set_pipe(second_output, data->pipe2);
> +		pipe = &display->pipes[p];
> +		plane = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
>
> -	mode = igt_output_get_mode(second_output);
> -
> -	pipe = &display->pipes[data->pipe2];
> -	plane = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
> -
> -	igt_plane_set_fb(plane, &data->fb);
> -	igt_fb_set_size(&data->fb, plane, mode->hdisplay, mode->vdisplay);
> -	igt_plane_set_size(plane, mode->hdisplay, mode->vdisplay);
> +		igt_plane_set_fb(plane, &data->fb);
> +		igt_fb_set_size(&data->fb, plane, mode->hdisplay, mode->vdisplay);
> +		igt_plane_set_size(plane, mode->hdisplay, mode->vdisplay);
> +	}
>
>   	/* This commit is expectd to fail as this pipe is being used for big joiner */
>   	ret = igt_display_try_commit_atomic(display, DRM_MODE_ATOMIC_TEST_ONLY |
>   					    DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
> -	igt_assert_lt(ret, 0);
> -
> -	igt_output_set_pipe(big_joiner_output, PIPE_NONE);
> -	igt_output_set_pipe(second_output, PIPE_NONE);
> -
> -	pipe = &display->pipes[data->pipe1];
> -	plane = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
> -
> -	/*
> -	 * Do not explicitly set the plane of the second output to NULL,
> -	 * as it is the adjacent pipe to the big joiner output and
> -	 * setting the big joiner plane to NULL will take care of this.
> -	 */
> -	igt_plane_set_fb(plane, NULL);
> -	igt_display_commit2(display, COMMIT_ATOMIC);
> -	igt_output_override_mode(big_joiner_output, NULL);
> -
> -	igt_output_set_pipe(second_output, data->pipe2);
> -
> -	mode = igt_output_get_mode(second_output);
> -
> -	pipe = &display->pipes[data->pipe2];
> -	plane = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
> -
> -	igt_plane_set_fb(plane, &data->fb);
> -	igt_fb_set_size(&data->fb, plane, mode->hdisplay, mode->vdisplay);
> -	igt_plane_set_size(plane, mode->hdisplay, mode->vdisplay);
>
> +	igt_display_reset(&data->display);
>   	igt_display_commit2(display, COMMIT_ATOMIC);
>
> -	igt_output_set_pipe(big_joiner_output, data->pipe1);
> -
> -	mode = &big_joiner_output->config.connector->modes[data->big_joiner_output[0].mode_number];
> -	igt_output_override_mode(big_joiner_output, mode);
> -
> -	pipe = &display->pipes[data->pipe1];
> -	plane = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
> -
> -	igt_plane_set_fb(plane, &data->fb);
> -	igt_fb_set_size(&data->fb, plane, mode->hdisplay, mode->vdisplay);
> -	igt_plane_set_size(plane, mode->hdisplay, mode->vdisplay);
> -
> -	/* This commit is expected to fail as the adjacent pipe is already in use*/
> -	ret = igt_display_try_commit_atomic(display, DRM_MODE_ATOMIC_TEST_ONLY |
> -					    DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
>   	igt_assert_lt(ret, 0);
> -
> -	igt_output_set_pipe(big_joiner_output, PIPE_NONE);
> -	igt_output_set_pipe(second_output, PIPE_NONE);
> -	igt_plane_set_fb(plane, NULL);
> -
> -	pipe = &display->pipes[data->pipe2];
> -	plane = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
> -	igt_plane_set_fb(plane, NULL);
> -
> -	igt_display_commit2(display, COMMIT_ATOMIC);
> -
> -	igt_output_override_mode(big_joiner_output, NULL);
>   }
>
>   static void test_basic_modeset(data_t *data)
> @@ -261,19 +190,17 @@ igt_main
>   		igt_require(data.display.is_atomic);
>
>   		for_each_connected_output(&data.display, output) {
> -			if (count < 2) {
> -				for (i = 0; i < output->config.connector->count_modes; i++) {
> -					mode = &output->config.connector->modes[i];
> -					if (mode->hdisplay > MAX_HDISPLAY_PER_PIPE) {
> -						data.big_joiner_output[count].mode_number = i;
> -						data.big_joiner_output[count].id = output->id;
> -						count++;
> -
> -						width = max(width, mode->hdisplay);
> -						height = max(height, mode->vdisplay);
> -						break;
> -					}
> -				}
> +			igt_sort_connector_modes(output->config.connector,
> +						 sort_drm_modes_by_res_dsc);
> +
> +			mode = &output->config.connector->modes[0];
> +			if (mode->hdisplay > MAX_HDISPLAY_PER_PIPE) {
> +				data.big_joiner_output[count].mode_number = i;
> +				data.big_joiner_output[count].id = output->id;
> +				count++;
> +
> +				width = max(width, mode->hdisplay);
> +				height = max(height, mode->vdisplay);
>   			}
>   			valid_output++;
>   		}
> @@ -303,14 +230,63 @@ igt_main
>   	igt_describe("Verify if the modeset on the adjoining pipe is rejected "
>   		     "when the pipe is active with a big joiner modeset");
>   	igt_subtest_with_dynamic("invalid-modeset") {
> -		igt_require_f(valid_output > 1, "No valid Second output found\n");
> -		for (i = 0; i < data.n_pipes - 1; i++) {
> -			data.pipe1 = pipe_seq[i];
> -			data.pipe2 = pipe_seq[i + 1];
> -			igt_dynamic_f("pipe-%s-%s", kmstest_pipe_name(pipe_seq[i]),
> -						    kmstest_pipe_name(pipe_seq[i + 1]))
> +		data.pipe1 = pipe_seq[j - 1];
> +
> +		igt_display_reset(&data.display);
> +		for_each_connected_output(&data.display, output) {
> +			igt_sort_connector_modes(output->config.connector,
> +						 sort_drm_modes_by_res_dsc);

Please remove this as this looks redundant. With this removed, the patch 
LGTM.

Reviewed-by: Karthik B S <karthik.b.s at intel.com>

> +
> +			if (data.big_joiner_output[0].id != output->id)
> +				continue;
> +
> +			igt_sort_connector_modes(output->config.connector,
> +						 sort_drm_modes_by_res_dsc);
> +
> +			igt_output_set_pipe(output, data.pipe1);
> +			igt_output_override_mode(output, &output->config.connector->modes[0]);
> +
> +			igt_assert(!igt_check_bigjoiner_support(&data.display));
> +
> +			igt_dynamic_f("pipe-%s-%s",
> +				      kmstest_pipe_name(data.pipe1),
> +				      igt_output_name(output))
>   				test_invalid_modeset(&data);
>   		}
> +
> +		if(valid_output > 1) {
> +			for (i = 0; i < data.n_pipes - 1; i++) {
> +				igt_output_t *first_output = NULL, *second_output = NULL;
> +
> +				data.pipe1 = pipe_seq[i];
> +				data.pipe2 = pipe_seq[i + 1];
> +
> +				igt_display_reset(&data.display);
> +				for_each_connected_output(&data.display, output) {
> +					igt_sort_connector_modes(output->config.connector,
> +								 sort_drm_modes_by_res_dsc);
> +
> +					if (data.big_joiner_output[0].id == output->id) {
> +						first_output = output;
> +						igt_output_set_pipe(output, data.pipe1);
> +						igt_output_override_mode(output, &output->config.connector->modes[0]);
> +					} else if (second_output == NULL) {
> +						second_output = output;
> +						igt_output_set_pipe(output, data.pipe2);
> +						igt_output_override_mode(output, &output->config.connector->modes[0]);
> +					}
> +				}
> +
> +				igt_assert(!igt_check_bigjoiner_support(&data.display));
> +
> +				igt_dynamic_f("pipe-%s-%s-pipe-%s-%s",
> +					      kmstest_pipe_name(data.pipe1),
> +					      igt_output_name(first_output),
> +					      kmstest_pipe_name(data.pipe2),
> +					      igt_output_name(second_output))
> +					test_invalid_modeset(&data);
> +			}
> +		}
>   	}
>
>   	igt_describe("Verify simultaneous modeset on 2 big joiner outputs");
> --
> 2.37.3
>



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