From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH v2 14/25] drm/medaitek: add layer_nr for ovl private data Date: Wed, 27 Mar 2019 14:19:10 +0800 Message-ID: <1553667561-25447-15-git-send-email-yongqiang.niu@mediatek.com> References: <1553667561-25447-1-git-send-email-yongqiang.niu@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1553667561-25447-1-git-send-email-yongqiang.niu@mediatek.com> Sender: linux-kernel-owner@vger.kernel.org To: ck.hu@mediatek.com, p.zabel@pengutronix.de, robh+dt@kernel.org, matthias.bgg@gmail.com Cc: airlied@linux.ie, mark.rutland@arm.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Bibby.Hsieh@mediatek.com, yt.shen@mediatek.com, Yongqiang Niu List-Id: dri-devel@lists.freedesktop.org From: Yongqiang Niu This patch add layer_nr for ovl private data ovl_2l almost same with with ovl hardware, except the layer number for ovl_2l is 2 and ovl is 4. this patch is a preparation for ovl-2l and ovl share the same driver. Signed-off-by: Yongqiang Niu --- drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c index afb313c..a0ab760 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -60,6 +60,7 @@ struct mtk_disp_ovl_data { unsigned int addr; unsigned int gmc_bits; + unsigned int layer_nr; bool fmt_rgb565_is_0; }; @@ -137,7 +138,9 @@ static void mtk_ovl_config(struct mtk_ddp_comp *comp, unsigned int w, static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp) { - return 4; + struct mtk_disp_ovl *ovl = comp_to_ovl(comp); + + return ovl->data->layer_nr; } static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx) @@ -342,12 +345,14 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev) static const struct mtk_disp_ovl_data mt2701_ovl_driver_data = { .addr = DISP_REG_OVL_ADDR_MT2701, .gmc_bits = 8, + .layer_nr = 4, .fmt_rgb565_is_0 = false, }; static const struct mtk_disp_ovl_data mt8173_ovl_driver_data = { .addr = DISP_REG_OVL_ADDR_MT8173, .gmc_bits = 8, + .layer_nr = 4, .fmt_rgb565_is_0 = true, }; -- 1.8.1.1.dirty