Re: [PATCH v2] drm/qxl: remove dependency on DRM simple helpers

[Thomas Zimmermann <tzimmermann@suse.de>]

Merged into drm-misc-next

Am 08.07.26 um 14:33 schrieb Thomas Zimmermann:
>
>
> Am 07.07.26 um 18:14 schrieb Diogo Silva:
>> Simple KMS helper are deprecated since they only add an intermediate
>> layer between drivers and the atomic modesetting.
>> This patch removes the drm_simple_encoder_init() helper usage in the
>> qxl display driver by open coding it and using the encoder atomic
>> helpers directly. This is a step to eventually get rid of this simple
>> KMS helper, once all drivers that use it have been converted.
>>
>> Signed-off-by: Diogo Silva <diogompaissilva@gmail.com>
>
> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
>
>> ---
>> Changes in v2:
>> - fix type error
>> - Link to v1: 
>> https://lore.kernel.org/r/20260707-qxl-simple-v1-1-524f6316b5d5@gmail.com
>> ---
>>   drivers/gpu/drm/qxl/qxl_display.c | 12 ++++++++----
>>   1 file changed, 8 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/qxl/qxl_display.c 
>> b/drivers/gpu/drm/qxl/qxl_display.c
>> index a026bd35ef485..7f4178800afd7 100644
>> --- a/drivers/gpu/drm/qxl/qxl_display.c
>> +++ b/drivers/gpu/drm/qxl/qxl_display.c
>> @@ -31,12 +31,12 @@
>>   #include <drm/drm_atomic.h>
>>   #include <drm/drm_atomic_helper.h>
>>   #include <drm/drm_edid.h>
>> +#include <drm/drm_encoder.h>
>>   #include <drm/drm_framebuffer.h>
>>   #include <drm/drm_gem_framebuffer_helper.h>
>>   #include <drm/drm_plane_helper.h>
>>   #include <drm/drm_print.h>
>>   #include <drm/drm_probe_helper.h>
>> -#include <drm/drm_simple_kms_helper.h>
>>   #include <drm/drm_gem_atomic_helper.h>
>>   #include <drm/drm_vblank.h>
>>   #include <drm/drm_vblank_helper.h>
>> @@ -1095,6 +1095,10 @@ static const struct drm_connector_helper_funcs 
>> qxl_connector_helper_funcs = {
>>       .best_encoder = qxl_best_encoder,
>>   };
>>   +static const struct drm_encoder_funcs qxl_encoder_funcs = {
>> +    .destroy = drm_encoder_cleanup,
>> +};
>> +
>>   static enum drm_connector_status qxl_conn_detect(
>>               struct drm_connector *connector,
>>               bool force)
>> @@ -1169,10 +1173,10 @@ static int qdev_output_init(struct drm_device 
>> *dev, int num_output)
>>       drm_connector_init(dev, &qxl_output->base,
>>                  &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
>>   -    ret = drm_simple_encoder_init(dev, &qxl_output->enc,
>> -                      DRM_MODE_ENCODER_VIRTUAL);
>> +    ret = drm_encoder_init(dev, &qxl_output->enc, &qxl_encoder_funcs,
>> +                   DRM_MODE_ENCODER_VIRTUAL, NULL);
>>       if (ret) {
>> -        drm_err(dev, "drm_simple_encoder_init() failed, error %d\n",
>> +        drm_err(dev, "drm_encoder_init() failed, error %d\n",
>>               ret);
>>           goto err_drm_connector_cleanup;
>>       }
>>
>> ---
>> base-commit: ee2867b79f9bac3a6fc3221139b09598ce79099c
>> change-id: 20260707-qxl-simple-c01aa1a5c4eb
>>
>> Best regards,
>

-- 
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Frankenstr. 146, 90461 Nürnberg, Germany, www.suse.com
GF: Jochen Jaser, Andrew McDonald, (HRB 36809, AG Nürnberg)