[PATCH 13/20] drm/sti: Use drm_fbdev_generic_setup()

Noralf Trønnes noralf at tronnes.org
Tue Sep 25 09:48:48 UTC 2018



Den 10.09.2018 11.39, skrev Benjamin Gaignard:
> 2018-09-08 15:46 GMT+02:00 Noralf Trønnes <noralf at tronnes.org>:
>> The CMA helper is already using the drm_fb_helper_generic_probe part of
>> the generic fbdev emulation. This patch makes full use of the generic
>> fbdev emulation by using its drm_client callbacks. This means that
>> drm_mode_config_funcs->output_poll_changed and drm_driver->lastclose are
>> now handled by the emulation code. Additionally fbdev unregister happens
>> automatically on drm_dev_unregister().
>>
>> If drm_fbdev_generic_setup() fails, an error is printed by the function.
>>
>> drm_fbdev_generic_setup() handles mode_config.num_connector being zero.
>> In that case it retries fbdev setup on the next .output_poll_changed.
>>
>> Cc: Benjamin Gaignard <benjamin.gaignard at linaro.org>
>> Cc: Vincent Abriou <vincent.abriou at st.com>
>> Signed-off-by: Noralf Trønnes <noralf at tronnes.org>
> Acked-by: Benjamin Gaignard <benjamin.gaignard at linaro.org>

Applied to drm-misc-next, thanks.

Noralf

>> ---
>>   drivers/gpu/drm/sti/sti_drv.c | 8 +-------
>>   1 file changed, 1 insertion(+), 7 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c
>> index 832fc43960ee..6dced8abcf16 100644
>> --- a/drivers/gpu/drm/sti/sti_drv.c
>> +++ b/drivers/gpu/drm/sti/sti_drv.c
>> @@ -121,7 +121,6 @@ static int sti_drm_dbg_init(struct drm_minor *minor)
>>
>>   static const struct drm_mode_config_funcs sti_mode_config_funcs = {
>>          .fb_create = drm_gem_fb_create,
>> -       .output_poll_changed = drm_fb_helper_output_poll_changed,
>>          .atomic_check = drm_atomic_helper_check,
>>          .atomic_commit = drm_atomic_helper_commit,
>>   };
>> @@ -206,7 +205,6 @@ static void sti_cleanup(struct drm_device *ddev)
>>   {
>>          struct sti_private *private = ddev->dev_private;
>>
>> -       drm_fb_cma_fbdev_fini(ddev);
>>          drm_kms_helper_poll_fini(ddev);
>>          component_unbind_all(ddev->dev, ddev);
>>          kfree(private);
>> @@ -236,11 +234,7 @@ static int sti_bind(struct device *dev)
>>
>>          drm_mode_config_reset(ddev);
>>
>> -       if (ddev->mode_config.num_connector) {
>> -               ret = drm_fb_cma_fbdev_init(ddev, 32, 0);
>> -               if (ret)
>> -                       DRM_DEBUG_DRIVER("Warning: fails to create fbdev\n");
>> -       }
>> +       drm_fbdev_generic_setup(ddev, 32);
>>
>>          return 0;
>>
>> --
>> 2.15.1
>>
>
>



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