[igt-dev] [PATCH v4 i-g-t] tests/i915/kms_dsc: To test modeset on dsc with highest mode

Sharma, Swati2 swati2.sharma at intel.com
Wed Nov 17 07:38:55 UTC 2021


Thanks for the patch. Pushed.

On 17-Nov-21 1:01 PM, Sharma, Swati2 wrote:
> Reviewed-by:
> Swati Sharma <swati2.sharma at intel.com>
> 
> On 17-Nov-21 10:05 AM, Kulkarni, Vandita wrote:
>>> -----Original Message-----
>>> From: Patnana, Venkata Sai <venkata.sai.patnana at intel.com>
>>> Sent: Tuesday, November 16, 2021 1:55 PM
>>> To: igt-dev at lists.freedesktop.org
>>> Cc: Patnana, Venkata Sai <venkata.sai.patnana at intel.com>; Kulkarni,
>>> Vandita <vandita.kulkarni at intel.com>; B S, Karthik 
>>> <karthik.b.s at intel.com>;
>>> Modem, Bhanuprakash <bhanuprakash.modem at intel.com>; Sharma,
>>> Swati2 <swati2.sharma at intel.com>
>>> Subject: [PATCH v4 i-g-t] tests/i915/kms_dsc: To test modeset on dsc 
>>> with
>>> highest mode
>>>
>>> From: Patnana Venkata Sai <venkata.sai.patnana at intel.com>
>>>
>>> Force dsc enable supports resolutions above 5K in DP.
>>> Bigjoiner does not support dsc force bpp, also due to this bigjoiner 
>>> limitation
>>> we need to skip all subtests on pipe D.
>>>
>>> This patch will pick the mode with highest resolution rather the default
>>> mode.
>> It looks ok to me wrt the functionality.
>> Acked-by: Vandita Kulkarni <vandita.kulkarni at intel.com>
>>>
>>> v2: Updated indentation.
>>> v3: Split the restructuring the subtests logic.
>>> v4: Updated igt_skip_on_f condition.
>>>
>>> Cc: Vandita Kulkarni <vandita.kulkarni at intel.com>
>>> Cc: Karthik B S <karthik.b.s at intel.com>
>>> Cc: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
>>> Cc: Swati Sharma <swati2.sharma at intel.com>
>>>
>>> Signed-off-by: Patnana Venkata Sai <venkata.sai.patnana at intel.com>
>>> ---
>>>   tests/i915/kms_dsc.c | 66 ++++++++++++++++++++++++++++++++++-------
>>> ---
>>>   1 file changed, 51 insertions(+), 15 deletions(-)
>>>
>>> diff --git a/tests/i915/kms_dsc.c b/tests/i915/kms_dsc.c index
>>> dcfe8b9669..25f7676a4c 100644
>>> --- a/tests/i915/kms_dsc.c
>>> +++ b/tests/i915/kms_dsc.c
>>> @@ -63,6 +63,7 @@ typedef struct {
>>>   drmModeEncoder *encoder;
>>>   int crtc;
>>>   int compression_bpp;
>>> +int n_pipes;
>>>   enum pipe pipe;
>>>   char conn_name[128];
>>>   } data_t;
>>> @@ -151,6 +152,13 @@ static bool is_external_panel(drmModeConnector
>>> *connector)
>>>   }
>>>   }
>>>
>>> +static int sort_drm_modes(const void *a, const void *b) {
>>> +const drmModeModeInfo *mode1 = a, *mode2 = b;
>>> +
>>> +return (mode1->clock < mode2->clock) - (mode2->clock < mode1-
>>>> clock);
>>> +}
>>> +
>>>   static bool check_dsc_on_connector(data_t *data, uint32_t 
>>> drmConnector)
>>> {
>>>   drmModeConnector *connector;
>>> @@ -162,6 +170,19 @@ static bool check_dsc_on_connector(data_t *data,
>>> uint32_t drmConnector)
>>>   return false;
>>>
>>>   output = igt_output_from_connector(&data->display, connector);
>>> +
>>> +/*
>>> + * As dsc supports >= 5k modes, we need to suppress lower
>>> + * resolutions.
>>> + */
>>> +qsort(output->config.connector->modes,
>>> +      output->config.connector->count_modes,
>>> +      sizeof(drmModeModeInfo),
>>> +      sort_drm_modes);
>>> +if (output->config.connector->connector_type ==
>>> DRM_MODE_CONNECTOR_DisplayPort &&
>>> +    output->config.connector->modes[0].hdisplay < 5120)
>>> +return NULL;
>>> +
>>>   sprintf(data->conn_name, "%s-%d",
>>>   kmstest_connector_type_str(connector->connector_type),
>>>   connector->connector_type_id);
>>> @@ -203,6 +224,11 @@ static void update_display(data_t *data, enum
>>> dsc_test_type test_type)
>>>   }
>>>
>>>   igt_output_set_pipe(data->output, data->pipe);
>>> +qsort(data->output->config.connector->modes,
>>> +data->output->config.connector->count_modes,
>>> +sizeof(drmModeModeInfo),
>>> +sort_drm_modes);
>>> +igt_output_override_mode(data->output,
>>> +&data->output->config.connector->modes[0]);
>>>   primary = igt_output_get_plane_type(data->output,
>>>       DRM_PLANE_TYPE_PRIMARY);
>>>
>>> @@ -219,11 +245,9 @@ static void update_display(data_t *data, enum
>>> dsc_test_type test_type)
>>>   enabled = igt_is_dsc_enabled(data->drm_fd,
>>>   data->output->config.connector);
>>>   restore_force_dsc_en();
>>> -if (test_type == test_dsc_compression_bpp) {
>>> -igt_debug("Rest compression BPP \n");
>>> -data->compression_bpp = 0;
>>> -force_dsc_enable_bpp(data);
>>> -}
>>> +igt_debug("Reset compression BPP\n");
>>> +data->compression_bpp = 0;
>>> +force_dsc_enable_bpp(data);
>>>
>>>   igt_assert_f(enabled,
>>>        "Default DSC enable failed on Connector: %s Pipe: %s\n",
>>> @@ -235,10 +259,14 @@ static void run_test(data_t *data, enum
>>> dsc_test_type test_type)  {
>>>   enum pipe pipe;
>>>   char test_name[10];
>>> -drmModeModeInfo *mode = igt_output_get_mode(data->output);
>>>
>>> -igt_create_pattern_fb(data->drm_fd, mode->hdisplay,
>>> -      mode->vdisplay,
>>> +igt_skip_on_f(test_type == test_dsc_compression_bpp &&
>>> +      data->output->config.connector->modes[0].hdisplay >=
>>> 5120,
>>> +      "bigjoiner does not support force bpp\n");
>>> +
>>> +igt_create_pattern_fb(data->drm_fd,
>>> +      data->output->config.connector-
>>>> modes[0].hdisplay,
>>> +      data->output->config.connector-
>>>> modes[0].vdisplay,
>>>         DRM_FORMAT_XRGB8888,
>>>         DRM_FORMAT_MOD_LINEAR,
>>>         &data->fb_test_pattern);
>>> @@ -253,16 +281,21 @@ static void run_test(data_t *data, enum
>>> dsc_test_type test_type)
>>>   }
>>>
>>>   snprintf(test_name, sizeof(test_name), "-%dbpp", data-
>>>> compression_bpp);
>>> -if (igt_pipe_connector_valid(pipe, data->output)) {
>>> +if (!igt_pipe_connector_valid(pipe, data->output))
>>> +continue;
>>> +
>>> +igt_dynamic_f("%s-pipe-%s%s", data->output->name,
>>> +      kmstest_pipe_name(pipe),
>>> +      (test_type == test_dsc_compression_bpp) ?
>>> +      test_name : "") {
>>>   data->pipe = pipe;
>>> +igt_skip_on_f((data->output->config.connector-
>>>> modes[0].hdisplay >= 5120) &&
>>> +      (pipe  == (data->n_pipes - 1)),
>>> +      "pipe-%s not supported due to bigjoiner
>>> limitation\n",
>>> +      kmstest_pipe_name(pipe));
>>> +update_display(data, test_type);
>>>
>>> -igt_dynamic_f("%s-pipe-%s%s", data->output-
>>>> name,
>>> -kmstest_pipe_name(pipe),
>>> -(test_type ==
>>> test_dsc_compression_bpp) ?
>>> - test_name : "")
>>> -update_display(data, test_type);
>>>   }
>>> -
>>>   if (test_type == test_dsc_compression_bpp)
>>>   break;
>>>   }
>>> @@ -283,6 +316,9 @@ igt_main
>>>   igt_install_exit_handler(kms_dsc_exit_handler);
>>>   igt_display_require(&data.display, data.drm_fd);
>>>   igt_require(res = drmModeGetResources(data.drm_fd));
>>> +data.n_pipes = 0;
>>> +for_each_pipe(&data.display, i)
>>> +data.n_pipes++;
>>>   }
>>>   igt_subtest_with_dynamic("basic-dsc-enable") {
>>>   for (j = 0; j < res->count_connectors; j++) {
>>> -- 
>>> 2.25.1
>>
> 

-- 
~Swati Sharma


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