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Commit 2466db97 authored by Andrzej Hajda's avatar Andrzej Hajda Committed by Inki Dae
Browse files

drm/exynos: add mode_fixup callback to exynos_drm_crtc_ops 



crtc::mode_fixup callback is required by crtcs which internally use
a different mode than requested by user - case of Exynos Mixer.

Signed-off-by: default avatarAndrzej Hajda <a.hajda@samsung.com>
Reviewed-by: default avatarTobias Jakobi <tjakobi@math.uni-bielefeld.de>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 991ea04e

drivers/gpu/drm/exynos/exynos_drm_crtc.c

+15 −0
Original line number Diff line number Diff line
@@ -95,8 +95,23 @@ static enum drm_mode_status exynos_crtc_mode_valid(struct drm_crtc *crtc, 
	return MODE_OK;

}



static bool exynos_crtc_mode_fixup(struct drm_crtc *crtc,

		const struct drm_display_mode *mode,

		struct drm_display_mode *adjusted_mode)

{

	struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);



	if (exynos_crtc->ops->mode_fixup)

		return exynos_crtc->ops->mode_fixup(exynos_crtc, mode,

				adjusted_mode);



	return true;

}





static const struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {

	.mode_valid	= exynos_crtc_mode_valid,

	.mode_fixup	= exynos_crtc_mode_fixup,

	.atomic_check	= exynos_crtc_atomic_check,

	.atomic_begin	= exynos_crtc_atomic_begin,

	.atomic_flush	= exynos_crtc_atomic_flush,

drivers/gpu/drm/exynos/exynos_drm_drv.h

+3 −0
Original line number Diff line number Diff line
@@ -136,6 +136,9 @@ struct exynos_drm_crtc_ops { 
	u32 (*get_vblank_counter)(struct exynos_drm_crtc *crtc);

	enum drm_mode_status (*mode_valid)(struct exynos_drm_crtc *crtc,

		const struct drm_display_mode *mode);

	bool (*mode_fixup)(struct exynos_drm_crtc *crtc,

			   const struct drm_display_mode *mode,

			   struct drm_display_mode *adjusted_mode);

	int (*atomic_check)(struct exynos_drm_crtc *crtc,

			    struct drm_crtc_state *state);

	void (*atomic_begin)(struct exynos_drm_crtc *crtc);