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Commit 3d887368 authored by Thierry Reding's avatar Thierry Reding
Browse files

drm: Move drm_encoder_crtc_ok() to core 



Using the new drm_crtc_mask() function, drm_encoder_crtc_ok() can now be
written in a significantly shorter way, so it can be moved to a header
file and be made static inline.

Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent db5f7a6e

drivers/gpu/drm/drm_crtc_helper.c

+0 −13
Original line number Diff line number Diff line
@@ -324,19 +324,6 @@ void drm_helper_disable_unused_functions(struct drm_device *dev) 
}

EXPORT_SYMBOL(drm_helper_disable_unused_functions);



/**

 * drm_encoder_crtc_ok - can a given crtc drive a given encoder?

 * @encoder: encoder to test

 * @crtc: crtc to test

 *

 * Return false if @encoder can't be driven by @crtc, true otherwise.

 */

static bool drm_encoder_crtc_ok(struct drm_encoder *encoder,

				struct drm_crtc *crtc)

{

	return !!(encoder->possible_crtcs & drm_crtc_mask(crtc));

}



/*

 * Check the CRTC we're going to map each output to vs. its current

 * CRTC.  If they don't match, we have to disable the output and the CRTC

include/drm/drm_crtc.h

+13 −0
Original line number Diff line number Diff line
@@ -963,6 +963,19 @@ extern int drm_encoder_init(struct drm_device *dev, 
			    const struct drm_encoder_funcs *funcs,

			    int encoder_type);



/**

 * drm_encoder_crtc_ok - can a given crtc drive a given encoder?

 * @encoder: encoder to test

 * @crtc: crtc to test

 *

 * Return false if @encoder can't be driven by @crtc, true otherwise.

 */

static inline bool drm_encoder_crtc_ok(struct drm_encoder *encoder,

				       struct drm_crtc *crtc)

{

	return !!(encoder->possible_crtcs & drm_crtc_mask(crtc));

}



extern int drm_plane_init(struct drm_device *dev,

			  struct drm_plane *plane,

			  unsigned long possible_crtcs,