在 2017-11-28 17:02，Maxime Ripard 写道：
Hi,
On Mon, Nov 27, 2017 at 05:01:49PM +0100, Jernej Škrabec wrote:
Dne ponedeljek, 27. november 2017 ob 16:41:35 CET je Maxime Ripard
napisal(a):
> Add support for the A83T display pipeline.
>
> Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx>
> Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt | 3 +++
> drivers/gpu/drm/sun4i/sun4i_drv.c | 2 ++
> drivers/gpu/drm/sun4i/sun4i_tcon.c | 5 +++++
> drivers/gpu/drm/sun4i/sun8i_mixer.c | 4 ++++
> 4 files changed, 14 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt index
> d4259a4f5171..d6b52e5c48c0 100644
> --- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> +++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> @@ -93,6 +93,7 @@ Required properties:
> * allwinner,sun6i-a31s-tcon
> * allwinner,sun7i-a20-tcon
> * allwinner,sun8i-a33-tcon
> + * allwinner,sun8i-a83t-tcon-lcd
> * allwinner,sun8i-v3s-tcon
> - reg: base address and size of memory-mapped region
> - interrupts: interrupt associated to this IP
> @@ -224,6 +225,7 @@ supported.
>
> Required properties:
> - compatible: value must be one of:
> + * allwinner,sun8i-a83t-de2-mixer
What will be the name of the second mixer, once support for HDMI is
added?
Should we start directly with 0 and 1 postfix ?
What are the differences exactly without the two mixers?
I was hoping to be able to cover them all using properties, indices
are usually pretty badly received in compatibles.
1. VEP is only available on the VI channel in mixer0. (VEP may mean
Video Enhance Processor)
2. Smart Backlight is only available in mixer0's on SoCs with LCD.
3. Writeback function is only available in mixer0.
> static const struct of_device_id sun8i_mixer_of_table[] = {
> {
> + .compatible = "allwinner,sun8i-a83t-de2-mixer",
> + .data = &sun8i_v3s_mixer_cfg,
> + },
> + {
Maybe you want to squash 12 patch since this works only by luck.
Yeah, I totally meant to do that :)
Thanks!
Maxime
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