From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stu Hsieh Subject: [PATCH v3 08/13] drm/mediatek: add function to get layer number for component Date: Mon, 6 Aug 2018 19:58:15 +0800 Message-ID: <1533556700-26525-9-git-send-email-stu.hsieh@mediatek.com> References: <1533556700-26525-1-git-send-email-stu.hsieh@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1533556700-26525-1-git-send-email-stu.hsieh@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: CK Hu , Philipp Zabel Cc: David Airlie , Matthias Brugger , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, srv_heupstream@mediatek.com, Stu Hsieh List-Id: linux-mediatek@lists.infradead.org This patch add function to get layer number for component Signed-off-by: Stu Hsieh --- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h index 7413ffeb3c9d..8399229e6ad2 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h @@ -78,6 +78,7 @@ struct mtk_ddp_comp_funcs { void (*stop)(struct mtk_ddp_comp *comp); void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc); void (*disable_vblank)(struct mtk_ddp_comp *comp); + unsigned int (*layer_nr)(struct mtk_ddp_comp *comp); void (*layer_on)(struct mtk_ddp_comp *comp, unsigned int idx); void (*layer_off)(struct mtk_ddp_comp *comp, unsigned int idx); void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx, @@ -128,6 +129,14 @@ static inline void mtk_ddp_comp_disable_vblank(struct mtk_ddp_comp *comp) comp->funcs->disable_vblank(comp); } +static inline unsigned int mtk_ddp_comp_layer_nr(struct mtk_ddp_comp *comp) +{ + if (comp->funcs && comp->funcs->layer_nr) + return comp->funcs->layer_nr(comp); + + return 0; +} + static inline void mtk_ddp_comp_layer_on(struct mtk_ddp_comp *comp, unsigned int idx) { -- 2.12.5.2.gbdf23ab