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drm: drop unused drm_crtc callback

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struct drm_encoder_helper_funcs included a callback
named drm_crtc.

There are no users left - so drop it.
There was one reference in drm_crtc_helper.c,
which checked if the value was not NULL.
As it was never assigned this check could be dropped.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20200215173342.GA7458@ravnborg.org
This commit is contained in:
Sam Ravnborg 2020-02-15 18:33:42 +01:00
parent acce61bf85
commit 2f3ba73ae5
2 changed files with 0 additions and 20 deletions
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4
drivers/gpu/drm/drm_crtc_helper.c
View File

@ -244,10 +244,6 @@ drm_crtc_prepare_encoders(struct drm_device *dev)
/* Disable unused encoders */
if (encoder->crtc == NULL)
drm_encoder_disable(encoder);
/* Disable encoders whose CRTC is about to change */
if (encoder_funcs->get_crtc &&
encoder->crtc != (*encoder_funcs->get_crtc)(encoder))
drm_encoder_disable(encoder);
}
}

16
include/drm/drm_modeset_helper_vtables.h
View File

@ -692,22 +692,6 @@ struct drm_encoder_helper_funcs {
struct drm_crtc_state *crtc_state,
struct drm_connector_state *conn_state);
/**
* @get_crtc:
*
* This callback is used by the legacy CRTC helpers to work around
* deficiencies in its own book-keeping.
*
* Do not use, use atomic helpers instead, which get the book keeping
* right.
*
* FIXME:
*
* Currently only nouveau is using this, and as soon as nouveau is
* atomic we can ditch this hook.
*/
struct drm_crtc *(*get_crtc)(struct drm_encoder *encoder);
/**
* @detect:
*