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From: Yongqiang Niu <yongqiang.niu@mediatek.com>
To: CK Hu <ck.hu@mediatek.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	"Rob Herring" <robh+dt@kernel.org>,
	Matthias Brugger <matthias.bgg@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org,
	Yongqiang Niu <yongqiang.niu@mediatek.com>,
	David Airlie <airlied@linux.ie>,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	Project_Global_Chrome_Upstream_Group@mediatek.com,
	linux-mediatek@lists.infradead.org,
	Daniel Vetter <daniel@ffwll.ch>,
	Hsin-Yi Wang <hsinyi@chromium.org>,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH v9, 01/11] dt-bindings: mediatek: add rdma-fifo-size description for mt8183 display
Date: Thu, 7 Jan 2021 11:11:11 +0800	[thread overview]
Message-ID: <1609989081-29353-2-git-send-email-yongqiang.niu@mediatek.com> (raw)
In-Reply-To: <1609989081-29353-1-git-send-email-yongqiang.niu@mediatek.com>

rdma fifo size may be different even in same SOC, add this
property to the corresponding rdma

Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,disp.txt       | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
index 33977e1..b07881e 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
@@ -66,6 +66,14 @@ Required properties (DMA function blocks):
   argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
   for details.
 
+Optional properties (RDMA function blocks):
+- mediatek,rdma-fifo-size: rdma fifo size may be different even in same SOC, add this
+  property to the corresponding rdma
+  the value is the Max value which defined in hardware data sheet.
+  mediatek,rdma-fifo-size of mt8173-rdma0 is 8K
+  mediatek,rdma-fifo-size of mt8183-rdma0 is 5K
+  mediatek,rdma-fifo-size of mt8183-rdma1 is 2K
+
 Examples:
 
 mmsys: clock-controller@14000000 {
@@ -103,6 +111,7 @@ rdma0: rdma@1400e000 {
 	clocks = <&mmsys CLK_MM_DISP_RDMA0>;
 	iommus = <&iommu M4U_PORT_DISP_RDMA0>;
 	mediatek,larb = <&larb0>;
+	mediatek,rdma-fifosize = <8192>;
 };
 
 rdma1: rdma@1400f000 {
-- 
1.8.1.1.dirty
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  reply	other threads:[~2021-01-07  3:11 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-07  3:11 [PATCH v9, 00/11] drm/mediatek: add support for mediatek SOC MT8183 Yongqiang Niu
2021-01-07  3:11 ` Yongqiang Niu [this message]
2021-01-07  9:54   ` [PATCH v9, 01/11] dt-bindings: mediatek: add rdma-fifo-size description for mt8183 display Chun-Kuang Hu
2021-01-12 14:49   ` Rob Herring
2021-01-13 15:28     ` Chun-Kuang Hu
2021-01-07  3:11 ` [PATCH v9, 02/11] dt-bindings: mediatek: add " Yongqiang Niu
2021-01-07 10:17   ` Chun-Kuang Hu
2021-01-07  3:11 ` [PATCH v9, 03/11] arm64: dts: mt8183: rename rdma fifo size Yongqiang Niu
2021-01-07  9:58   ` Chun-Kuang Hu
2021-01-07  3:11 ` [PATCH v9, 04/11] arm64: dts: mt8183: refine gamma compatible name Yongqiang Niu
2021-01-07  3:11 ` [PATCH v9, 05/11] drm/mediatek: add fifo_size into rdma private data Yongqiang Niu
2021-01-07 10:05   ` Chun-Kuang Hu
2021-01-14 23:27     ` Chun-Kuang Hu
2021-01-07  3:11 ` [PATCH v9, 06/11] drm/mediatek: add RDMA fifo size error handle Yongqiang Niu
2021-01-07  3:11 ` [PATCH v9, 07/11] drm/mediatek: separate gamma module Yongqiang Niu
2021-01-07 10:25   ` Chun-Kuang Hu
2021-01-07  3:11 ` [PATCH v9, 08/11] drm/mediatek: add has_dither private data for gamma Yongqiang Niu
2021-01-07 10:29   ` Chun-Kuang Hu
2021-01-07  3:11 ` [PATCH v9, 09/11] drm/mediatek: enable dither function Yongqiang Niu
2021-01-07  3:11 ` [PATCH v9, 10/11] drm/mediatek: add DDP support for MT8183 Yongqiang Niu
2021-01-07 12:08   ` Chun-Kuang Hu
2021-01-07  3:11 ` [PATCH v9, 11/11] This patch add support for mediatek SOC MT8183 Yongqiang Niu

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