From: CK Hu <ck.hu@mediatek.com>
To: Stu Hsieh <stu.hsieh@mediatek.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>,
David Airlie <airlied@linux.ie>,
Matthias Brugger <matthias.bgg@gmail.com>,
<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>
Subject: Re: [PATCH v2 11/15] drm/mediatek: add callback function to return OVL layer number
Date: Fri, 3 Aug 2018 13:11:32 +0800 [thread overview]
Message-ID: <1533273092.31144.7.camel@mtksdaap41> (raw)
In-Reply-To: <1533265868-28110-12-git-send-email-stu.hsieh@mediatek.com>
Hi, Stu:
On Fri, 2018-08-03 at 11:11 +0800, Stu Hsieh wrote:
> This patch add callback function to return OVL layer number
>
> Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> index 978782a77629..a42cfa057f42 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> @@ -58,6 +58,7 @@
> struct mtk_disp_ovl_data {
> unsigned int addr;
> bool fmt_rgb565_is_0;
> + unsigned int layer_nr;
> };
>
> /**
> @@ -132,6 +133,13 @@ static void mtk_ovl_config(struct mtk_ddp_comp *comp, unsigned int w,
> writel(0x0, comp->regs + DISP_REG_OVL_RST);
> }
>
> +static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp)
> +{
> + struct mtk_disp_ovl *ovl = comp_to_ovl(comp);
> +
> + return ovl->data->layer_nr;
For now, MT8173, MT2712, MT2701 OVL all has 4 layer, so you could return
4 here. Once a SoC OVL has another layer number, then modified the code
to this statement.
Regards,
CK
> +}
> +
> static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx)
> {
> unsigned int reg;
> @@ -221,6 +229,7 @@ static const struct mtk_ddp_comp_funcs mtk_disp_ovl_funcs = {
> .stop = mtk_ovl_stop,
> .enable_vblank = mtk_ovl_enable_vblank,
> .disable_vblank = mtk_ovl_disable_vblank,
> + .layer_nr = mtk_ovl_layer_nr,
> .layer_on = mtk_ovl_layer_on,
> .layer_off = mtk_ovl_layer_off,
> .layer_config = mtk_ovl_layer_config,
> @@ -319,6 +328,7 @@ static const struct mtk_disp_ovl_data mt2701_ovl_driver_data = {
> static const struct mtk_disp_ovl_data mt8173_ovl_driver_data = {
> .addr = DISP_REG_OVL_ADDR_MT8173,
> .fmt_rgb565_is_0 = true,
> + .layer_nr = 4,
> };
>
> static const struct of_device_id mtk_disp_ovl_driver_dt_match[] = {
next prev parent reply other threads:[~2018-08-03 5:11 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-03 3:10 [PATCH v2 00/15] Add RDMA memory mode support for mediatek SOC MT2712 Stu Hsieh
2018-08-03 3:10 ` [PATCH v2 01/15] drm/mediatek: add connection from RDMA0 to DPI1 Stu Hsieh
2018-08-03 4:57 ` CK Hu
2018-08-03 3:10 ` [PATCH v2 02/15] drm/mediatek: add connection from RDMA0 to DSI1 Stu Hsieh
2018-08-03 4:58 ` CK Hu
2018-08-03 3:10 ` [PATCH v2 03/15] drm/mediatek: add connection from RDMA1 to DSI0 Stu Hsieh
2018-08-03 5:00 ` CK Hu
2018-08-03 3:10 ` [PATCH v2 04/15] drm/mediatek: add connection from RDMA2 " Stu Hsieh
2018-08-03 5:01 ` CK Hu
2018-08-03 3:10 ` [PATCH v2 05/15] drm/mediatek: add RDMA memory mode for crtc created Stu Hsieh
2018-08-03 3:10 ` [PATCH v2 06/15] drm/mediatek: add memory mode for RDMA Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 07/15] drm/mediatek: add layer config to set RDMA for plane setting Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 08/15] drm/mediatek: add RGB color format support for RDMA Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 09/15] drm/mediatek: add YUYV/UYVY " Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 10/15] drm/mediatek: add function to get layer number for component Stu Hsieh
2018-08-03 5:08 ` CK Hu
2018-08-03 3:11 ` [PATCH v2 11/15] drm/mediatek: add callback function to return OVL layer number Stu Hsieh
2018-08-03 5:11 ` CK Hu [this message]
2018-08-06 11:54 ` Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 12/15] drm/mediatek: add callback function to return RDMA " Stu Hsieh
2018-08-03 5:13 ` CK Hu
2018-08-06 11:53 ` Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 13/15] drm/mediatek: use layer_nr function to get layer number to init plane Stu Hsieh
2018-08-03 5:33 ` CK Hu
2018-08-06 11:55 ` Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 14/15] drm/mediatek: update some variable name from ovl to comp Stu Hsieh
2018-08-03 5:34 ` CK Hu
2018-08-03 3:11 ` [PATCH v2 15/15] drm/mediatek: fix connection from RDMA2 to DSI1 Stu Hsieh
2018-08-03 5:36 ` CK Hu
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