[PATCH i-g-t 1/2] tests/kms_joiner: Add tests for Ultrajoiner validation

Karthik B S karthik.b.s at intel.com
Wed Sep 11 05:37:41 UTC 2024


On 8/12/2024 12:09 PM, Modem, Bhanuprakash wrote:
>
> On 12-08-2024 10:17 am, Karthik B S wrote:
>> Add a subtest to validate basic ultrajoiner modeset and a negative test
>> to validate invalid pipe configs during an ultrajoiner modeset.
>>
>> Signed-off-by: Karthik B S <karthik.b.s at intel.com>
>> ---
>>   lib/igt_kms.c                                 |  44 +++++
>>   lib/igt_kms.h                                 |   3 +
>>   .../intel/{kms_big_joiner.c => kms_joiner.c}  | 150 ++++++++++++++++--
>>   tests/meson.build                             |   2 +-
>>   4 files changed, 183 insertions(+), 16 deletions(-)
>>   rename tests/intel/{kms_big_joiner.c => kms_joiner.c} (74%)
>>
>> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
>> index e030b35a6..08b628f1a 100644
>> --- a/lib/igt_kms.c
>> +++ b/lib/igt_kms.c
>> @@ -6347,6 +6347,50 @@ bool bigjoiner_mode_found(int drm_fd, 
>> drmModeConnector *connector,
>>       return found;
>>   }
>>   +/**
>> + * igt_ultrajoiner_possible:
>> + * @mode: libdrm mode
>> + * @max_dotclock: Max pixel clock frequency
>> + *
>> + * Ultrajoiner will come into the picture, when the requested
>> + * mode resolution > 10K or mode clock > 2 * max_dotclock.
>> + *
>> + * Returns: True if mode requires Ultrajoiner, else False.
>> + */
>> +bool igt_ultrajoiner_possible(drmModeModeInfo *mode, int max_dotclock)
>> +{
>> +    return (mode->hdisplay > 2 * MAX_HDISPLAY_PER_PIPE ||
>> +        mode->clock > 2 * max_dotclock);
>> +}
>> +
>> +/**
>> + * Ultrajoiner_mode_found:
>> + * @drm_fd: drm file descriptor
>> + * @connector: libdrm connector
>> + * @max_dot_clock: max dot clock frequency
>> + * @mode: libdrm mode to be filled
>> + *
>> + * Ultrajoiner will come in to the picture when the
>> + * resolution > 10K or clock > 2 * max-dot-clock.
>> + *
>> + * Returns: True if big joiner found in connector modes
>> + */
>> +bool ultrajoiner_mode_found(int drm_fd, drmModeConnector *connector,
>> +              int max_dotclock, drmModeModeInfo *mode)
>> +{
>> +    bool found = false;
>> +
>> +    igt_sort_connector_modes(connector, sort_drm_modes_by_res_dsc);
>> +    found = igt_ultrajoiner_possible(&connector->modes[0], 
>> max_dotclock);
>> +    if (!found) {
>> +        igt_sort_connector_modes(connector, sort_drm_modes_by_clk_dsc);
>> +        found = igt_ultrajoiner_possible(&connector->modes[0], 
>> max_dotclock);
>> +    }
>> +    if (found)
>> +        *mode = connector->modes[0];
>> +    return found;
>> +}
>> +
>>   /**
>>    * igt_has_force_joiner_debugfs
>>    * @drmfd: A drm file descriptor
>> diff --git a/lib/igt_kms.h b/lib/igt_kms.h
>> index e8582a45b..c8e89b076 100644
>> --- a/lib/igt_kms.h
>> +++ b/lib/igt_kms.h
>> @@ -1216,6 +1216,9 @@ int igt_get_max_dotclock(int fd);
>>   bool igt_bigjoiner_possible(drmModeModeInfo *mode, int max_dotclock);
>>   bool bigjoiner_mode_found(int drm_fd, drmModeConnector *connector,
>>                 int max_dotclock, drmModeModeInfo *mode);
>> +bool igt_ultrajoiner_possible(drmModeModeInfo *mode, int max_dotclock);
>> +bool ultrajoiner_mode_found(int drm_fd, drmModeConnector *connector,
>> +              int max_dotclock, drmModeModeInfo *mode);
>>   bool igt_has_force_joiner_debugfs(int drmfd, char *conn_name);
>>   bool igt_check_force_joiner_status(int drmfd, char *connector_name);
>>   bool igt_check_bigjoiner_support(igt_display_t *display);
>> diff --git a/tests/intel/kms_big_joiner.c b/tests/intel/kms_joiner.c
>> similarity index 74%
>> rename from tests/intel/kms_big_joiner.c
>> rename to tests/intel/kms_joiner.c
>> index 7c370bc60..633bf51c7 100644
>> --- a/tests/intel/kms_big_joiner.c
>> +++ b/tests/intel/kms_joiner.c
>> @@ -37,13 +37,20 @@
>>   #include "igt.h"
>>     /**
>> - * SUBTEST: invalid-modeset
>> + * SUBTEST: invalid-modeset-big-joiner
>>    * Description: Verify if the modeset on the adjoining pipe is 
>> rejected when
>>    *              the pipe is active with a big joiner modeset
>>    *
>> - * SUBTEST: basic
>> + * SUBTEST: invalid-modeset-ultra-joiner
>> + * Description: Verify if the modeset on the other pipes are 
>> rejected when
>> + *              the pipe A is active with ultra joiner modeset
>> + *
>> + * SUBTEST: basic-big-joiner
>>    * Description: Verify the basic modeset on big joiner mode on all 
>> pipes
>>    *
>> + * SUBTEST: basic-ultra-joiner
>> + * Description: Verify the basic modeset on ultra joiner mode on all 
>> pipes
>> + *
>>    * SUBTEST: invalid-modeset-force-joiner
>>    * Description: Verify if modeset on adjacent pipe is declined when 
>> force joiner modeset is active.
>>    *        Force joiner applies bigjoiner functionality to 
>> non-bigjoiner outputs,
>> @@ -54,20 +61,24 @@
>>    *        Force joiner applies bigjoiner functionality to 
>> non-bigjoiner outputs thus,
>>    *        the test exclusively targets non-bigjoiner outputs.
>>    */
>> -IGT_TEST_DESCRIPTION("Test big joiner / force joiner");
>> +IGT_TEST_DESCRIPTION("Test joiner / force joiner");
>>     #define INVALID_TEST_OUTPUT 2
>>     typedef struct {
>>       int drm_fd;
>>       int big_joiner_output_count;
>> +    int ultra_joiner_output_count;
>>       int non_big_joiner_output_count;
>> +    int non_ultra_joiner_output_count;
>>       int mixed_output_count;
>>       int output_count;
>>       int n_pipes;
>>       uint32_t master_pipes;
>>       igt_output_t *big_joiner_output[IGT_MAX_PIPES];
>> +    igt_output_t *ultra_joiner_output[IGT_MAX_PIPES];
>>       igt_output_t *non_big_joiner_output[IGT_MAX_PIPES];
>> +    igt_output_t *non_ultra_joiner_output[IGT_MAX_PIPES];
>>       igt_output_t *mixed_output[IGT_MAX_PIPES];
>>       enum pipe pipe_seq[IGT_MAX_PIPES];
>>       igt_display_t display;
>> @@ -286,6 +297,81 @@ static void test_joiner_on_last_pipe(data_t 
>> *data, bool force_joiner)
>>       }
>>   }
>>   +static void test_ultra_joiner(data_t *data, bool invalid_pipe, 
>> bool two_display)
>> +{
>> +    int i, j, k, ret;
>> +    igt_output_t *output, *non_ultra_joiner_output;
>> +    igt_plane_t *primary;
>> +    igt_output_t **outputs;
>> +    igt_fb_t fb;
>> +    drmModeModeInfo mode;
>> +
>> +    outputs = data->ultra_joiner_output;
>> +    igt_display_reset(&data->display);
>> +    igt_display_commit2(&data->display, COMMIT_ATOMIC);
>> +
>> +    for (i = 0; i < data->ultra_joiner_output_count; i++) {
>> +        output = outputs[i];
>> +        igt_require(ultrajoiner_mode_found(data->drm_fd, 
>> output->config.connector, max_dotclock, &mode));
>> +        igt_output_override_mode(output, &mode);
>> +        for (j = 0; j < data->n_pipes; j++) {
>> +            /* Ultra joiner is only valid on PIPE_A */
>> +            if (invalid_pipe && j == PIPE_A)
>> +                continue;
>> +            if (!invalid_pipe && j != PIPE_A)
>> +                continue;
>> +            if (two_display && j != PIPE_A)
>> +                continue;
>
> I guess, we need similar checks in intel_pipe_output_combo_valid() or 
> somewhere in the igt lib to prevent other subtests to fail on 
> pipe-(B|C|D) and so on.

Hi Bhanu,

Thanks for the review.

Agreed, we need this handling before enabling full suite validation on 
CI. Will handle this as part of a separate series.

Thanks,
Karthik.B.S
>
> - Bhanu
>
>> +
>> +            igt_output_set_pipe(output, data->pipe_seq[j]);
>> +
>> +            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);
>> +
>> +            if (invalid_pipe)
>> +                ret = igt_display_try_commit2(&data->display, 
>> COMMIT_ATOMIC);
>> +            else
>> +                igt_display_commit2(&data->display, COMMIT_ATOMIC);
>> +
>> +            if (two_display) {
>> + for_each_connected_output(&data->display, non_ultra_joiner_output) {
>> +                    if (output->id != non_ultra_joiner_output->id) {
>> +                        for (k = 1; k < data->n_pipes; k++) {
>> +                            igt_plane_t *plane;
>> +                            drmModeModeInfo *mode1;
>> +
>> +                            mode1 = 
>> igt_output_get_mode(non_ultra_joiner_output);
>> +
>> + igt_output_set_pipe(non_ultra_joiner_output, data->pipe_seq[k]);
>> +                            plane = 
>> igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
>> +
>> +                            igt_plane_set_fb(plane, &fb);
>> +                            igt_fb_set_size(&fb, plane, 
>> mode1->hdisplay, mode1->vdisplay);
>> +                            igt_plane_set_size(plane, 
>> mode1->hdisplay, mode1->vdisplay);
>> +
>> +                            ret = 
>> igt_display_try_commit2(&data->display, COMMIT_ATOMIC);
>> +
>> +                            igt_plane_set_fb(plane, NULL);
>> +                            igt_assert_f(ret != 0, "Commit expected 
>> to fail on second display\n");
>> +                        }
>> +                        /* Validation with one output is sufficient */
>> +                        break;
>> +                    }
>> +                }
>> +            }
>> +
>> +            igt_display_reset(&data->display);
>> +            igt_plane_set_fb(primary, NULL);
>> +            igt_remove_fb(data->drm_fd, &fb);
>> +
>> +            if (invalid_pipe)
>> +                igt_assert_f(ret != 0, "Commit shouldn't have 
>> passed\n");
>> +        }
>> +    }
>> +}
>> +
>>   igt_main
>>   {
>>       bool force_joiner_supported;
>> @@ -297,7 +383,9 @@ igt_main
>>       igt_fixture {
>>           force_joiner_supported = false;
>>           data.big_joiner_output_count = 0;
>> +        data.ultra_joiner_output_count = 0;
>>           data.non_big_joiner_output_count = 0;
>> +        data.non_ultra_joiner_output_count = 0;
>>           data.mixed_output_count = 0;
>>           data.output_count = 0;
>>           j = 0;
>> @@ -310,24 +398,31 @@ igt_main
>>           max_dotclock = igt_get_max_dotclock(data.drm_fd);
>>             for_each_connected_output(&data.display, output) {
>> -            bool found = false;
>> +            bool ultrajoiner_found = false, bigjoiner_found = false;
>>               drmModeConnector *connector = output->config.connector;
>>                 /*
>>                * Bigjoiner will come in to the picture when the
>>                * resolution > 5K or clock > max-dot-clock.
>> +             * Ultrajoiner will come in to the picture when the
>> +             * resolution > 10K or clock > 2 * max-dot-clock.
>>                */
>> -            found = bigjoiner_mode_found(data.drm_fd, connector, 
>> max_dotclock, &mode);
>> +            bigjoiner_found = bigjoiner_mode_found(data.drm_fd, 
>> connector, max_dotclock, &mode);
>> +            ultrajoiner_found = ultrajoiner_mode_found(data.drm_fd, 
>> connector, max_dotclock, &mode);
>>   -            if (found) {
>> +            if (igt_has_force_joiner_debugfs(data.drm_fd, 
>> output->name))
>> +                force_joiner_supported = true;
>> +
>> +            if (ultrajoiner_found)
>> + data.ultra_joiner_output[data.ultra_joiner_output_count++] = output;
>> +            else if (force_joiner_supported)
>> + data.non_ultra_joiner_output[data.non_ultra_joiner_output_count++] 
>> = output;
>> +
>> +            if (bigjoiner_found)
>> data.big_joiner_output[data.big_joiner_output_count++] = output;
>> -                igt_output_override_mode(output, &mode);
>> -            } else {
>> -                if (igt_has_force_joiner_debugfs(data.drm_fd, 
>> output->name)) {
>> -                    force_joiner_supported = true;
>> - data.non_big_joiner_output[data.non_big_joiner_output_count++] = 
>> output;
>> -                }
>> -            }
>> +            else if (force_joiner_supported)
>> + data.non_big_joiner_output[data.non_big_joiner_output_count++] = 
>> output;
>> +
>>               data.output_count++;
>>           }
>>           if (data.big_joiner_output_count == 1 && 
>> data.non_big_joiner_output_count >= 1) {
>> @@ -337,6 +432,7 @@ igt_main
>>               data.mixed_output[data.mixed_output_count++] = 
>> data.big_joiner_output[0];
>>               data.mixed_output[data.mixed_output_count++] = 
>> data.non_big_joiner_output[0];
>>           }
>> +
>>           data.n_pipes = 0;
>>           for_each_pipe(&data.display, i) {
>>               data.n_pipes++;
>> @@ -346,7 +442,7 @@ igt_main
>>       }
>>         igt_describe("Verify the basic modeset on big joiner mode on 
>> all pipes");
>> -    igt_subtest_with_dynamic("basic") {
>> +    igt_subtest_with_dynamic("basic-big-joiner") {
>>               igt_require_f(data.big_joiner_output_count > 0,
>>                         "No bigjoiner output found\n");
>>               igt_require_f(data.n_pipes > 1,
>> @@ -358,9 +454,19 @@ igt_main
>>                       test_multi_joiner(&data, 
>> data.big_joiner_output_count, false);
>>       }
>>   +    igt_describe("Verify the basic modeset on ultra joiner mode on 
>> all pipes");
>> +    igt_subtest_with_dynamic("basic-ultra-joiner") {
>> +            igt_require_f(data.ultra_joiner_output_count > 0,
>> +                      "No ultrajoiner output found\n");
>> +            igt_require_f(data.n_pipes > 3,
>> +                      "Minimum 4 pipes required\n");
>> +            igt_dynamic_f("single-joiner")
>> +                test_ultra_joiner(&data, false, false);
>> +    }
>> +
>>       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_subtest_with_dynamic("invalid-modeset-big-joiner") {
>>           igt_require_f(data.big_joiner_output_count > 0, "Non big 
>> joiner output not found\n");
>>           igt_require_f(data.n_pipes > 1, "Minimum of 2 pipes are 
>> required\n");
>>           if (data.big_joiner_output_count >= 1)
>> @@ -374,6 +480,20 @@ igt_main
>>                   test_invalid_modeset_two_joiner(&data, true, false);
>>       }
>>   +    igt_describe("Verify if the modeset on the other pipes are 
>> rejected "
>> +             "when the pipe A is active with a ultra joiner modeset");
>> +    igt_subtest_with_dynamic("invalid-modeset-ultra-joiner") {
>> +        igt_require_f(data.ultra_joiner_output_count > 0, "Ultra 
>> joiner output not found\n");
>> +        igt_require_f(data.n_pipes > 3, "Minimum of 4 pipes are 
>> required\n");
>> +
>> +        igt_dynamic_f("ultra_joiner_on_invalid_pipe")
>> +            test_ultra_joiner(&data, true, false);
>> +        if (data.non_ultra_joiner_output_count > 0) {
>> +            igt_dynamic_f("2x")
>> +                test_ultra_joiner(&data, false, true);
>> +        }
>> +    }
>> +
>>       igt_describe("Verify the basic modeset on big joiner mode on 
>> all pipes");
>>       igt_subtest_with_dynamic("basic-force-joiner") {
>>           igt_require_f(force_joiner_supported,
>> diff --git a/tests/meson.build b/tests/meson.build
>> index e649466be..7cf359962 100644
>> --- a/tests/meson.build
>> +++ b/tests/meson.build
>> @@ -242,7 +242,6 @@ intel_i915_progs = [
>>     intel_kms_progs = [
>>       'kms_big_fb',
>> -    'kms_big_joiner' ,
>>       'kms_busy',
>>       'kms_ccs',
>>       'kms_cdclk',
>> @@ -255,6 +254,7 @@ intel_kms_progs = [
>>       'kms_flip_scaled_crc',
>>       'kms_flip_tiling',
>>       'kms_frontbuffer_tracking',
>> +    'kms_joiner',
>>       'kms_legacy_colorkey',
>>       'kms_mmap_write_crc',
>>       'kms_pipe_b_c_ivb',


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