[PATCH i-g-t 2/2] tests/intel/kms_big_joiner: revamp kms_big_joiner

Joshi, Kunal1 kunal1.joshi at intel.com
Wed Mar 6 10:41:03 UTC 2024


Hello Stan,

On 3/6/2024 4:03 PM, Lisovskiy, Stanislav wrote:
> On Wed, Mar 06, 2024 at 03:41:26PM +0530, Joshi, Kunal1 wrote:
>> Hello Stan,
>>
>> On 3/6/2024 3:23 PM, Lisovskiy, Stanislav wrote:
>>> On Wed, Mar 06, 2024 at 10:55:09AM +0530, Kunal Joshi wrote:
>>>> big joiner outputs are statically assigned to pipe,
>>>> rewrite to assign dynamically
>>>>
>>>> v2: Don't change license (Bhanu)
>>>>       Add documentation for generate_combinations (Bhanu)
>>>>       Print the pipe name (Bhanu)
>>>>       Remove unwanted commit (Bhanu)
>>>>       Move combine output logic to igt_fixture (Bhanu)
>>>>       split revamp and force joiner (Bhanu)
>>>>
>>>> Cc: Karthik B S<karthik.b.s at intel.com>
>>>> Cc: Bhanuprakash Modem<bhanuprakash.modem at intel.com>
>>>> Signed-off-by: Kunal Joshi<kunal1.joshi at intel.com>
>>>> ---
>>>>    tests/intel/kms_big_joiner.c | 391 +++++++++++++++++------------------
>>>>    1 file changed, 187 insertions(+), 204 deletions(-)
>>>>
>>>> diff --git a/tests/intel/kms_big_joiner.c b/tests/intel/kms_big_joiner.c
>>>> index 28678b958..ba4097d8b 100644
>>>> --- a/tests/intel/kms_big_joiner.c
>>>> +++ b/tests/intel/kms_big_joiner.c
>>>> @@ -43,16 +43,19 @@
>>>>     *
>>>>     * SUBTEST: basic
>>>>     * Description: Verify the basic modeset on big joiner mode on all pipes
>>>> - *
>>>> - * SUBTEST: 2x-modeset
>>>> - * Description: Verify simultaneous modeset on 2 big joiner outputs
>>>>     */
>>>> -
>>>>    IGT_TEST_DESCRIPTION("Test big joiner");
>>>> -struct bigjoiner_output {
>>>> -	uint32_t output_id;
>>>> -	drmModeModeInfo mode;
>>>> +#define MAX_OUTPUTS 256
>>>> +#define MAX_COMBINATIONS 1000
>>>> +#define INVALID_TEST_OUTPUT 2
>>>> +typedef struct {
>>>> +    int combination[MAX_OUTPUTS];
>>>> +} Combination;
>>>> +
>>>> +enum joiner_type {
>>>> +	BIG_JOINER = 1 << 1,
>>>> +	INVALID_JOINER = -1,
>>>>    };
>>>>    typedef struct {
>>>> @@ -60,273 +63,253 @@ typedef struct {
>>>>    	igt_display_t display;
>>>>    	struct igt_fb fb;
>>>>    	int n_pipes;
>>>> -	enum pipe pipe1;
>>>> -	enum pipe pipe2;
>>>> -	struct bigjoiner_output output[2];
>>>> +	uint64_t big_joiner_outputs[IGT_MAX_PIPES];
>>>> +	uint64_t non_big_joiner_outputs[IGT_MAX_PIPES];
>>>> +	uint64_t combined_outputs[IGT_MAX_PIPES];
>>>> +	int big_joiner_output_count;
>>>> +	int non_big_joiner_output_count;
>>>> +	int combined_output_count;
>>>> +	int output_count;
>>>> +	enum pipe pipe_seq[IGT_MAX_PIPES];
>>>>    } data_t;
>>>>    static int max_dotclock;
>>>> -static void test_invalid_modeset(data_t *data)
>>>> +/*
>>>> + * The generate_combinations function generates combinations of pipe allocations
>>>> + * for a given number of outputs
>>>> + *
>>>> + * @output_count: Number of outputs to allocate pipes for.
>>>> + * @pipe_count: Total number of available pipes.
>>>> + * @pipes_per_output: Number of pipes to be allocated for a single output.
>>>> + * @combinations: Array to store generated combinations.
>>>> + * @num_combinations: Pointer to a variable that stores the number of generated combinations.
>>>> + *
>>>> + * Example (output_count=2, pipe_count=4, pipes_per_output=2):
>>>> + * Combination 1: 0 2
>>>> + * Combination 2: 1 3
>>> I think this might be a bit overcomplicated - just for your information, we can't deliberately
>>> choose which pipes can be used for bigjoiner. On some platforms even only certain pipes, can be
>>> used for bigjoiner.
>>> Moreover the way how driver decides, which pipes are going to be used for bigjoiner is basically
>>> this code in intel_dp.c:
>>>
>>> if (intel_dp_need_bigjoiner(intel_dp, adjusted_mode->crtc_hdisplay,
>>> 			    adjusted_mode->crtc_clock))
>>>            pipe_config->bigjoiner_pipes = GENMASK(crtc->pipe + 1, crtc->pipe);
>>>
>>> Means if you try to do a modeset with resolution > 5K or exceed max_dot_clock on crtc->pipe,
>>> then _always_ pipe + 1, going to be used for bigjoiner.
>>>
>>>
>>> Stan
>>>
>> Thanks for the inputs,
>> Goal here is to try various combination possible,
>> Suppose a platform supports 5 pipes(A-E) and we have 1 bigjoiner output
>> (DP-1) then we want to try
>> DP-1 on PIPE_A
>> DP-1 on PIPE_B
>> DP-1 on PIPE_C
>> DP-1 on PIPE_D
>>
>> Suppose a platform supports 5 pipes(A-E) and we have 2 bigjoiner output
>> (DP-1, DP-2) then we want to try
>> DP-1 on PIPE_A and DP-2 on PIPE_C
>> DP-1 on PIPE_B and DP-2 on PIPE_D And so on, Going forward this will be
>> useful we introduce any feature which can allow having more pipes per output
>> also.
> That won't work. BSpec and current driver code allows to use only _adjacent_ pipes.
> I.e if you modeset PIPE_A with 5K resolution, then bigjoiner_pipes mask would be
> PIPE_A | PIPE_B. If you modeset PIPE_B with 5K resolution it will take PIPE_C as a
> slave and so on.
> So for instance of you had DP-1 assigned to PIPE_A and DP-2 assigned to PIPE_C by test,
> _driver_ will still reassign PIPE_B to DP-2, in order for bigjoiner to work.
> That logic is implemented in intel_dp.c, as I mentioned above.
> Also you can check the BSpec Bigjoiner programming description.
>
> Stan
I think there is some confusion here,

Below is result of the test that was executed with current code
https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_10766/bat-arls-4/igt@kms_big_joiner@force-joiner-basic@1x-joiner.html

Assigning pipe 0 to DP-3
<7> [44.263216] i915 0000:00:02.0: [drm:intel_atomic_check [i915]] 
[CRTC:131:pipe B] Used as slave for big joiner master [CRTC:80:pipe A]

Assigning pipe 1 to DP-3
<7> [44.568716] i915 0000:00:02.0: [drm:intel_atomic_check [i915]] 
[CRTC:182:pipe C] Used as slave for big joiner master [CRTC:131:pipe B]
Assigning pipe 2 to DP-3
<7> [44.909690] i915 0000:00:02.0: [drm:intel_atomic_check [i915]] 
[CRTC:233:pipe D] Used as slave for big joiner master [CRTC:182:pipe C] So we are leaving one sequential pipe for a output,
Please let me know if i still wasn't able to explain properly.

>
>>>> +*/
>>>> +static void generate_combinations(int output_count, int pipe_count,
>>>> +				  int pipes_per_output,
>>>> +				  Combination combinations[MAX_COMBINATIONS],
>>>> +				  uint64_t *num_combinations)
>>>>    {
>>>> -	igt_output_t *output;
>>>> -	igt_display_t *display = &data->display;
>>>> -	int ret;
>>>> +	int i, index;
>>>> +	int current_combination[MAX_OUTPUTS];
>>>> -	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;
>>>> +	for (i = 0; i < output_count; ++i)
>>>> +		current_combination[i] = i * pipes_per_output;
>>>> -		if (p == PIPE_NONE)
>>>> -			continue;
>>>> -
>>>> -		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);
>>>> +	while (*num_combinations < MAX_COMBINATIONS && current_combination[0] <= pipe_count - output_count * pipes_per_output) {
>>>> +		for (i = 0; i < output_count; ++i)
>>>> +			combinations[*num_combinations].combination[i] = current_combination[i];
>>>> -		pipe = &display->pipes[p];
>>>> -		plane = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
>>>> +		(*num_combinations)++;
>>>> -		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);
>>>> -	}
>>>> +		index = output_count - 1;
>>>> +		while (index >= 0 && current_combination[index] == pipe_count - (output_count - index) * pipes_per_output)
>>>> +			index--;
>>>> -	igt_assert(!igt_check_bigjoiner_support(display));
>>>> +		if (index < 0)
>>>> +			break;
>>>> -	/* 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);
>>>> +		current_combination[index]++;
>>>> +		for (i = index + 1; i < output_count; ++i)
>>>> +			current_combination[i] = current_combination[i - 1] + pipes_per_output;
>>>> +    }
>>>> +}
>>>> -	igt_display_reset(&data->display);
>>>> -	igt_display_commit2(display, COMMIT_ATOMIC);
>>>> +static igt_output_t *get_output_by_id_or_assert(data_t *data, uint64_t output_id)
>>>> +{
>>>> +	igt_output_t *output;
>>>> -	igt_assert_lt(ret, 0);
>>>> +	for_each_connected_output(&data->display, output) {
>>>> +		if (output->id == output_id)
>>>> +			return output;
>>>> +	}
>>>> +	igt_assert("Output not found\n");
>>>> +	return NULL;
>>>>    }
>>>> -static void test_basic_modeset(data_t *data)
>>>> +static void test_invalid_modeset_two_joiner(data_t *data, bool combined)
>>>>    {
>>>> +	int i, j, ret;
>>>> +	igt_output_t *output;
>>>> +	uint64_t *outputs;
>>>> +	igt_plane_t *primary[INVALID_TEST_OUTPUT];
>>>> +	igt_fb_t fb[INVALID_TEST_OUTPUT];
>>>>    	drmModeModeInfo *mode;
>>>> -	igt_output_t *output, *bigjoiner_output = NULL;
>>>> -	igt_display_t *display = &data->display;
>>>> -	igt_pipe_t *pipe;
>>>> -	igt_plane_t *plane;
>>>> -	igt_display_reset(display);
>>>> -
>>>> -	for_each_connected_output(display, output) {
>>>> -		if (data->output[0].output_id == output->id) {
>>>> -			bigjoiner_output = output;
>>>> -			break;
>>>> +	outputs = combined ? data->combined_outputs : data->big_joiner_outputs;
>>>> +
>>>> +	for (i = 0; i < data->n_pipes-1; i++) {
>>>> +		igt_display_reset(&data->display);
>>>> +		for (j = 0; j < INVALID_TEST_OUTPUT; j++) {
>>>> +			output = get_output_by_id_or_assert(data, outputs[j]);
>>>> +			igt_assert(output);
>>>> +			igt_output_set_pipe(output, data->pipe_seq[i + j]);
>>>> +			mode = igt_output_get_mode(output);
>>>> +			igt_info("Assigning pipe %s to %s with mode %dx%d@%d%s",
>>>> +				 kmstest_pipe_name(data->pipe_seq[i + j]),
>>>> +				 igt_output_name(output), mode->hdisplay,
>>>> +				 mode->vdisplay, mode->vrefresh,
>>>> +				 j == INVALID_TEST_OUTPUT - 1 ? "\n" : ", ");
>>>> +			primary[j] = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
>>>> +			igt_create_pattern_fb(data->drm_fd, mode->hdisplay, mode->vdisplay, DRM_FORMAT_XRGB8888,
>>>> +								  DRM_FORMAT_MOD_LINEAR, &fb[j]);
>>>> +			igt_plane_set_fb(primary[j], &fb[j]);
>>>>    		}
>>>> +		ret = igt_display_try_commit2(&data->display, COMMIT_ATOMIC);
>>>> +		igt_assert_f(ret != 0, "Commit shouldn't have passed\n");
>>>>    	}
>>>> -
>>>> -	igt_output_set_pipe(bigjoiner_output, data->pipe1);
>>>> -
>>>> -	mode = &data->output[0].mode;
>>>> -	igt_output_override_mode(bigjoiner_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);
>>>> -
>>>> -	igt_display_commit2(display, COMMIT_ATOMIC);
>>>> -
>>>> -	igt_output_set_pipe(bigjoiner_output, PIPE_NONE);
>>>> -	igt_plane_set_fb(plane, NULL);
>>>> -	igt_display_commit2(display, COMMIT_ATOMIC);
>>>>    }
>>>> -static void test_dual_display(data_t *data)
>>>> +static void tets_big_joiner_on_last_pipe(data_t *data)
>>>>    {
>>>> +	int i, ret;
>>>> +	uint64_t *outputs;
>>>> +	igt_output_t *output;
>>>> +	igt_plane_t *primary;
>>>> +	igt_fb_t fb;
>>>>    	drmModeModeInfo *mode;
>>>> -	igt_output_t *output, *bigjoiner_output[2];
>>>> -	igt_display_t *display = &data->display;
>>>> -	igt_pipe_t *pipe;
>>>> -	igt_plane_t *plane1, *plane2;
>>>> -	int count = 0;
>>>> -
>>>> -	igt_display_reset(display);
>>>> -
>>>> -	for_each_connected_output(display, output) {
>>>> -		if (data->output[count].output_id == output->id) {
>>>> -			bigjoiner_output[count] = output;
>>>> -			count++;
>>>> -		}
>>>> -		if (count > 1)
>>>> -			break;
>>>> +	outputs = data->big_joiner_outputs;
>>>> +	for (i = 0; i < data->big_joiner_output_count; i++) {
>>>> +		igt_display_reset(&data->display);
>>>> +		output = get_output_by_id_or_assert(data, outputs[i]);
>>>> +		igt_output_set_pipe(output, data->pipe_seq[data->n_pipes - 1]);
>>>> +		mode = igt_output_get_mode(output);
>>>> +		igt_info("Assigning pipe %s to %s with mode %dx%d@%d\n",
>>>> +				 kmstest_pipe_name(data->pipe_seq[data->n_pipes - 1]),
>>>> +				 igt_output_name(output), mode->hdisplay,
>>>> +				 mode->vdisplay, mode->vrefresh);
>>>> +		primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
>>>> +		igt_create_pattern_fb(data->drm_fd, mode->hdisplay, mode->vdisplay, DRM_FORMAT_XRGB8888,
>>>> +							  DRM_FORMAT_MOD_LINEAR, &fb);
>>>> +		igt_plane_set_fb(primary, &fb);
>>>> +		ret = igt_display_try_commit2(&data->display, COMMIT_ATOMIC);
>>>> +		igt_assert_f(ret != 0, "Commit shouldn't have passed\n");
>>>>    	}
>>>> +}
>>>> -	igt_output_set_pipe(bigjoiner_output[0], data->pipe1);
>>>> -	igt_output_set_pipe(bigjoiner_output[1], data->pipe2);
>>>> -
>>>> -	/* Set up first big joiner output on Pipe A*/
>>>> -	mode = &data->output[0].mode;
>>>> -	igt_output_override_mode(bigjoiner_output[0], mode);
>>>> -
>>>> -	pipe = &display->pipes[data->pipe1];
>>>> -	plane1 = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
>>>> -
>>>> -	igt_plane_set_fb(plane1, &data->fb);
>>>> -	igt_fb_set_size(&data->fb, plane1, mode->hdisplay, mode->vdisplay);
>>>> -	igt_plane_set_size(plane1, mode->hdisplay, mode->vdisplay);
>>>> -
>>>> -	/* Set up second big joiner output on Pipe C*/
>>>> -	mode = &data->output[1].mode;
>>>> -	igt_output_override_mode(bigjoiner_output[1], mode);
>>>> -
>>>> -	pipe = &display->pipes[data->pipe2];
>>>> -	plane2 = igt_pipe_get_plane_type(pipe, DRM_PLANE_TYPE_PRIMARY);
>>>> -
>>>> -	igt_plane_set_fb(plane2, &data->fb);
>>>> -	igt_fb_set_size(&data->fb, plane2, mode->hdisplay, mode->vdisplay);
>>>> -	igt_plane_set_size(plane2, mode->hdisplay, mode->vdisplay);
>>>> -
>>>> -	igt_display_commit2(display, COMMIT_ATOMIC);
>>>> +static void test_basic_modeset(data_t *data, int num_outputs,
>>>> +			       Combination combinations[MAX_COMBINATIONS],
>>>> +			       uint64_t num_combinations)
>>>> +{
>>>> +	int i, j, ret;
>>>> +	igt_display_t *display = &data->display;
>>>> +	igt_output_t *output[num_outputs];
>>>> +	igt_plane_t *primary[num_outputs];
>>>> +	igt_fb_t fb[num_outputs];
>>>> +	drmModeModeInfo *mode;
>>>> -	/* Clean up */
>>>> -	igt_output_set_pipe(bigjoiner_output[0], PIPE_NONE);
>>>> -	igt_output_set_pipe(bigjoiner_output[1], PIPE_NONE);
>>>> -	igt_plane_set_fb(plane1, NULL);
>>>> -	igt_plane_set_fb(plane2, NULL);
>>>> -	igt_display_commit2(display, COMMIT_ATOMIC);
>>>> +	for (i = 0; i < num_combinations; i++) {
>>>> +		igt_display_reset(display);
>>>> +		for (j = 0; j < num_outputs; j++) {
>>>> +			output[j] = get_output_by_id_or_assert(data,
>>>> +						     data->big_joiner_outputs[j]);
>>>> +			igt_info("Assigning pipe %s to %s%s",
>>>> +				 kmstest_pipe_name(data->pipe_seq[combinations[i].combination[j]]),
>>>> +				 output[j]->name, j == num_outputs - 1 ? "\n" : ", ");
>>>> +			igt_output_set_pipe(output[j], data->pipe_seq[combinations[i].combination[j]]);
>>>> +			primary[j] = igt_output_get_plane_type(output[j], DRM_PLANE_TYPE_PRIMARY);
>>>> +			mode = igt_output_get_mode(output[j]);
>>>> +			igt_create_pattern_fb(data->drm_fd, mode->hdisplay, mode->vdisplay, DRM_FORMAT_XRGB8888,
>>>> +								  DRM_FORMAT_MOD_LINEAR, &fb[j]);
>>>> +			igt_plane_set_fb(primary[j], &fb[j]);
>>>> +		}
>>>> +		ret = igt_display_try_commit2(display, COMMIT_ATOMIC);
>>>> +		igt_assert_f(ret == 0, "Commit failed\n");
>>>> +    }
>>>>    }
>>>>    igt_main
>>>>    {
>>>> +	int i, j;
>>>>    	data_t data;
>>>>    	igt_output_t *output;
>>>> -	drmModeModeInfo mode;
>>>> -	int valid_output = 0, i, count = 0, j = 0;
>>>> -	uint16_t width = 0, height = 0;
>>>> -	enum pipe pipe_seq[IGT_MAX_PIPES];
>>>> +	drmModeModeInfo default_mode;
>>>> +	i = j = 0;
>>>>    	igt_fixture {
>>>>    		data.drm_fd = drm_open_driver_master(DRIVER_INTEL | DRIVER_XE);
>>>>    		kmstest_set_vt_graphics_mode();
>>>> -
>>>>    		igt_display_require(&data.display, data.drm_fd);
>>>>    		igt_require(data.display.is_atomic);
>>>> -
>>>>    		max_dotclock = igt_get_max_dotclock(data.drm_fd);
>>>> +		data.big_joiner_output_count = 0;
>>>> +		data.non_big_joiner_output_count = 0;
>>>> +		data.combined_output_count = 0;
>>>> +		data.output_count = 0;
>>>>    		for_each_connected_output(&data.display, output) {
>>>>    			bool found = false;
>>>>    			drmModeConnector *connector = output->config.connector;
>>>> -
>>>> -			/*
>>>> -			 * Bigjoiner will come in to the picture when the
>>>> -			 * resolution > 5K or clock > max-dot-clock.
>>>> -			 */
>>>>    			found = bigjoiner_mode_found(data.drm_fd, connector, max_dotclock);
>>>> -
>>>>    			if (found) {
>>>> -				data.output[count].output_id = output->id;
>>>> -				memcpy(&data.output[count].mode, &mode, sizeof(drmModeModeInfo));
>>>> -				count++;
>>>> -
>>>> -				width = max(width, mode.hdisplay);
>>>> -				height = max(height, mode.vdisplay);
>>>> +				data.big_joiner_outputs[data.big_joiner_output_count++] = output->id;
>>>> +				igt_output_override_mode(output, &connector->modes[0]);
>>>> +			} else {
>>>> +				data.non_big_joiner_outputs[data.non_big_joiner_output_count++] = output->id;
>>>> +				kmstest_get_connector_default_mode(data.drm_fd, connector, &default_mode);
>>>> +				igt_output_override_mode(output, &default_mode);
>>>>    			}
>>>> -			valid_output++;
>>>> +			data.output_count++;
>>>> +		}
>>>> +
>>>> +		if (data.big_joiner_output_count == 1 && data.non_big_joiner_output_count > 0) {
>>>> +			data.combined_outputs[data.combined_output_count++] = data.big_joiner_outputs[0];
>>>> +			data.combined_outputs[data.combined_output_count++] = data.non_big_joiner_outputs[0];
>>>>    		}
>>>>    		data.n_pipes = 0;
>>>>    		for_each_pipe(&data.display, i) {
>>>>    			data.n_pipes++;
>>>> -			pipe_seq[j] = i;
>>>> +			data.pipe_seq[j] = i;
>>>>    			j++;
>>>>    		}
>>>> -
>>>> -		igt_require_f(count > 0, "No output with 5k+ mode (or) clock > max-dot-clock found\n");
>>>> -
>>>> -		igt_create_pattern_fb(data.drm_fd, width, height, DRM_FORMAT_XRGB8888,
>>>> -				      DRM_FORMAT_MOD_LINEAR, &data.fb);
>>>>    	}
>>>>    	igt_describe("Verify the basic modeset on big joiner mode on all pipes");
>>>>    	igt_subtest_with_dynamic("basic") {
>>>> -		for (i = 0; i < data.n_pipes - 1; i++) {
>>>> -			data.pipe1 = pipe_seq[i];
>>>> -			igt_dynamic_f("pipe-%s", kmstest_pipe_name(pipe_seq[i]))
>>>> -				test_basic_modeset(&data);
>>>> +		igt_require_f(data.big_joiner_output_count > 0, "Big joiner output not found\n");
>>>> +		igt_require_f(data.n_pipes > 1, "Minimum of 2 pipes are required\n");
>>>> +
>>>> +		for (i = 0; i < data.big_joiner_output_count; i++) {
>>>> +			uint64_t num_combinations = 0;
>>>> +			Combination combinations[MAX_COMBINATIONS];
>>>> +
>>>> +			generate_combinations(i+1, data.n_pipes, BIG_JOINER, combinations, &num_combinations);
>>>> +			igt_info("Number of combinations for %d outputs and %d pipes are %ld\n",
>>>> +					 i+1, data.n_pipes, num_combinations);
>>>> +
>>>> +			if (num_combinations > 0)
>>>> +				igt_dynamic_f("%dx-big-joiner", i+1)
>>>> +					test_basic_modeset(&data, i+1, combinations, num_combinations);
>>>> +			else
>>>> +				break;
>>>>    		}
>>>>    	}
>>>> -	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") {
>>>> -		data.pipe1 = pipe_seq[j - 1];
>>>> -
>>>> -		igt_display_reset(&data.display);
>>>> -		for_each_connected_output(&data.display, output) {
>>>> -			if (data.output[0].output_id != output->id)
>>>> -				continue;
>>>> -
>>>> -			mode = data.output[0].mode;
>>>> -			igt_output_set_pipe(output, data.pipe1);
>>>> -			igt_output_override_mode(output, &mode);
>>>> +		igt_require_f(data.big_joiner_output_count > 0, "Big joiner output not found\n");
>>>> +		igt_require_f(data.n_pipes > 1, "Minimum of 2 pipes are required\n");
>>>> -			igt_dynamic_f("pipe-%s-%s",
>>>> -				      kmstest_pipe_name(data.pipe1),
>>>> -				      igt_output_name(output))
>>>> -				test_invalid_modeset(&data);
>>>> -		}
>>>> +		if (data.big_joiner_output_count >= 1)
>>>> +			igt_dynamic_f("big_joiner_on_last_pipe")
>>>> +				tets_big_joiner_on_last_pipe(&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) {
>>>> -					if (data.output[0].output_id == output->id) {
>>>> -						first_output = output;
>>>> -						mode = data.output[0].mode;
>>>> -
>>>> -						igt_output_set_pipe(output, data.pipe1);
>>>> -						igt_output_override_mode(output, &mode);
>>>> -					} else if (second_output == NULL) {
>>>> -						second_output = output;
>>>> -						igt_output_set_pipe(output, data.pipe2);
>>>> -
>>>> -						break;
>>>> -					}
>>>> -				}
>>>> -
>>>> -				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);
>>>> -			}
>>>> -		}
>>>> -	}
>>>> +		if (data.big_joiner_output_count > 1)
>>>> +			igt_dynamic_f("invalid_combinations_with_two_bigjoiner")
>>>> +				test_invalid_modeset_two_joiner(&data, false);
>>>> -	igt_describe("Verify simultaneous modeset on 2 big joiner outputs");
>>>> -	igt_subtest_with_dynamic("2x-modeset") {
>>>> -		igt_require_f(count > 1, "2 outputs with big joiner modes are required\n");
>>>> -		igt_require_f(data.n_pipes > 3, "Minumum of 4 pipes are required\n");
>>>> -		for (i = 0; (i + 2) < data.n_pipes - 1; i++) {
>>>> -			data.pipe1 = pipe_seq[i];
>>>> -			data.pipe2 = pipe_seq[i + 2];
>>>> -			igt_dynamic_f("pipe-%s-%s", kmstest_pipe_name(pipe_seq[i]), kmstest_pipe_name(pipe_seq[i + 2]))
>>>> -				test_dual_display(&data);
>>>> +		if (data.combined_output_count) {
>>>> +			igt_dynamic_f("invalid_combinations_with_bigjoiner_non_bigjoiner")
>>>> +				test_invalid_modeset_two_joiner(&data, true);
>>>>    		}
>>>>    	}
>>>>    	igt_fixture {
>>>> -		igt_remove_fb(data.drm_fd, &data.fb);
>>>>    		igt_display_fini(&data.display);
>>>>    		drm_close_driver(data.drm_fd);
>>>>    	}
>>>> -- 
>>>> 2.25.1
>> Thanks and Regards
>> Kunal Joshi
Thanks and Regards
Kunal Joshi
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