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authorDave Airlie <airlied@redhat.com>2021-02-05 09:25:20 +1000
committerDave Airlie <airlied@redhat.com>2021-02-05 09:25:26 +1000
commit54c820d05ee8156b1379ca0efd011b77e23cabb2 (patch)
treeece3ed5cca3a8ce152a2999fa470e49d5fba1dbf /Documentation
parentce7c3bded64abbaabb1146803d0ce09694dc95e0 (diff)
parent738ed4156fbac6f6eb84c23b95cf25aa57707332 (diff)
Merge tag 'mediatek-drm-next-5.12' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
Mediatek DRM Next for Linux 5.12 1. Decouple Mediatek DRM sub driver 2. Share mtk mutex driver for both DRM and MDP 3. Add support for SoC MT8183 Signed-off-by: Dave Airlie <airlied@redhat.com> From: Chun-Kuang Hu <chunkuang.hu@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20210204151750.7550-1-chunkuang.hu@kernel.org
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt12
1 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
index 33977e15bebd..b47e1a0597c2 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
@@ -37,13 +37,14 @@ Required properties (all function blocks):
"mediatek,<chip>-disp-aal" - adaptive ambient light controller
"mediatek,<chip>-disp-gamma" - gamma correction
"mediatek,<chip>-disp-merge" - merge streams from two RDMA sources
+ "mediatek,<chip>-disp-postmask" - control round corner for display frame
"mediatek,<chip>-disp-split" - split stream to two encoders
"mediatek,<chip>-disp-ufoe" - data compression engine
"mediatek,<chip>-dsi" - DSI controller, see mediatek,dsi.txt
"mediatek,<chip>-dpi" - DPI controller, see mediatek,dpi.txt
"mediatek,<chip>-disp-mutex" - display mutex
"mediatek,<chip>-disp-od" - overdrive
- the supported chips are mt2701, mt7623, mt2712, mt8167 and mt8173.
+ the supported chips are mt2701, mt7623, mt2712, mt8167, mt8173, mt8183 and mt8192.
- reg: Physical base address and length of the function block register space
- interrupts: The interrupt signal from the function block (required, except for
merge and split function blocks).
@@ -66,6 +67,14 @@ 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 +112,7 @@ 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 {