From: Andrzej Hajda Date: Fri, 29 Sep 2017 10:05:38 +0000 (+0200) Subject: drm/exynos: add mode_fixup callback to exynos_drm_crtc_ops X-Git-Tag: v4.19~2077^2~14^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2466db97e39d5479bb44a09a56ca85043d3d3997;p=platform%2Fkernel%2Flinux-rpi.git 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: Andrzej Hajda Reviewed-by: Tobias Jakobi Signed-off-by: Inki Dae --- diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 6ce0821..dc01342 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -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, diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h index f8bae4cb..c6847fa 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.h +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h @@ -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);