[igt-dev] [PATCH i-g-t v3] tests/kms_plane_alpha_blend: Limit the test execution

[Nautiyal, Ankit K]

On 2/9/2023 9:27 AM, Modem, Bhanuprakash wrote:
> Hi Nidhi,
>
> On Thu-09-02-2023 08:38 am, Nidhi Gupta wrote:
>> To optimize the test execution time on hardware and simulation,
>> limit the execution to two (first & last) pipes and 2 planes
>> (first & last).
>>
>> This patch will also provide an option (command line flag '-e') to
>> execute on all pipes and planes.
>>
>> Example: ./kms_plane_alpha_blend -e --run-subtest alpha-7efc
>>
>> V2: Edited commit message (Bhanu)
>> V3: New function for simulation constraints (Kamil)
>>      Update commit message (Bhanu)
>> v4: Restrict the execution only on 2 pipes for
>>      real hardware aswell (Ankit)
>> v5: Provide extended option for plane also (Bhanu)
>>      Move pipe declaration inside fixture (Ankit)
>>
>> Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem at intel.com>
>> Signed-off-by: Nidhi Gupta <nidhi1.gupta at intel.com>

Author's Signed-off-by should be first, followed by other contributors.

-Ankit

>> ---
>>   tests/kms_plane_alpha_blend.c | 69 ++++++++++++++++++++++++++++++++++-
>>   1 file changed, 67 insertions(+), 2 deletions(-)
>>
>> diff --git a/tests/kms_plane_alpha_blend.c 
>> b/tests/kms_plane_alpha_blend.c
>> index 38272ccb..dd93a6af 100644
>> --- a/tests/kms_plane_alpha_blend.c
>> +++ b/tests/kms_plane_alpha_blend.c
>> @@ -28,6 +28,10 @@
>>     IGT_TEST_DESCRIPTION("Test plane alpha and blending mode 
>> properties");
>>   +static bool extended;
>> +static enum pipe active_pipes[IGT_MAX_PIPES];
>> +static uint32_t last_pipe;
>> +
>>   typedef struct {
>>       int gfx_fd;
>>       igt_display_t display;
>> @@ -482,8 +486,10 @@ static void run_test_on_pipe_planes(data_t 
>> *data, enum pipe pipe, igt_output_t *
>>   {
>>       igt_display_t *display = &data->display;
>>       igt_plane_t *plane;
>> +    int first_plane = -1;
>> +    int last_plane = -1;
>>   -    for_each_plane_on_pipe(display, pipe, plane) {
>> +    for_each_plane_on_pipe(&data->display, pipe, plane) {
> --------------------------------^
> Why do we need this change? We already preserved the struct display at 
> the starting of this function.
>
>>           if (!igt_plane_has_prop(plane, IGT_PLANE_ALPHA))
>>               continue;
>>   @@ -496,6 +502,29 @@ static void run_test_on_pipe_planes(data_t 
>> *data, enum pipe pipe, igt_output_t *
>>           if (must_multiply && !has_multiplied_alpha(data, plane))
>>               continue;
>>   +        /* Get first & last valid planes. */
>> +        if (first_plane < 0)
>> +            first_plane = j__;
>> +
>> +        last_plane = j__;
>> +    }
>> +
>> +    for_each_plane_on_pipe(display, pipe, plane) {
> -------------------------------^
> Here you used it correctly.
>
>> +        if (!igt_plane_has_prop(plane, IGT_PLANE_ALPHA))
>> +            continue;
>> +
>> +        if (blend && !igt_plane_has_prop(plane, 
>> IGT_PLANE_PIXEL_BLEND_MODE))
>> +            continue;
>> +
>> +        /* Reset plane alpha properties between each plane. */
>> +        reset_alpha(display, pipe);
>> +
>> +        if (must_multiply && !has_multiplied_alpha(data, plane))
>> +            continue;
>> +
>> +        if (!extended && j__ != first_plane && j__ != last_plane)
>> +            continue;
>> +
>>           igt_info("Testing plane %u\n", plane->index);
>>           test(data, pipe, plane);
>>           igt_plane_set_fb(plane, NULL);
>> @@ -611,6 +640,16 @@ static bool pipe_check(data_t *data, enum pipe 
>> pipe,
>>       }
>>   }
>>   +static bool pipe_constraint(enum pipe pipe)
>
> As mentioned in earlier patches, please update the function name.
>
> I think it's better to drop this function & use the logic at caller, 
> since we are using this only once.
>
>> +{
>> +    if (!extended &&
>> +        pipe != active_pipes[0] &&
>> +        pipe != active_pipes[last_pipe])
>> +        return true;
>> +
>> +    return false;
>> +}
>> +
>>   static void run_subtests(data_t *data)
>>   {
>>       igt_output_t *output;
>> @@ -621,6 +660,8 @@ static void run_subtests(data_t *data)
>>             igt_subtest_with_dynamic(subtests[i].name) {
>> for_each_pipe_with_single_output(&data->display, pipe, output) {
>> +                if (pipe_constraint(pipe))
>
> Please check the above comment.
>
>> +                    continue;
>
> Please put a new line here.
>
>>                   prepare_crtc(data, output, pipe);
>>                   if (!pipe_check(data, pipe, subtests[i].blend, 
>> subtests[i].must_multiply))
>>                       continue;
>> @@ -633,15 +674,39 @@ static void run_subtests(data_t *data)
>>       }
>>   }
>>   -igt_main
>> +static int opt_handler(int opt, int opt_index, void *_data)
>> +{
>> +    switch (opt) {
>> +    case 'e':
>> +        extended = true;
>> +        break;
>> +    default:
>> +        return IGT_OPT_HANDLER_ERROR;
>> +    }
>> +
>> +    return IGT_OPT_HANDLER_SUCCESS;
>> +}
>> +
>> +const char *help_str =
>> +    "  -e \tExtended tests.\n";
>> +
>> +igt_main_args("e", NULL, help_str, opt_handler, NULL)
>>   {
>>       data_t data = {};
>>   +    last_pipe = 0;
>
> Maybe you can move this to igt_fixture.
>
>> +
>>       igt_fixture {
>> +        enum pipe pipe;
>> +
>>           data.gfx_fd = drm_open_driver_master(DRIVER_ANY);
>>           igt_require_pipe_crc(data.gfx_fd);
>>           igt_display_require(&data.display, data.gfx_fd);
>>           igt_require(data.display.is_atomic);
>
> Please put a new line here.
>
> - Bhanu
>
>> +        /* Get active pipes. */
>> +        for_each_pipe(&data.display, pipe)
>> +            active_pipes[last_pipe++] = pipe;
>> +        last_pipe--;
>>       }
>>         run_subtests(&data);