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SubjectRe: [PATCH v3 3/4] drm/rockchip: Add support for Rockchip Soc RGB output interface
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On 2017年10月09日 16:06, Sandy Huang wrote:
> Some Rockchip CRTCs, like rv1108, can directly output parallel and
> serial RGB data to panel or conversion chip, so we add this driver to
> probe encoder and connector.
>
> Signed-off-by: Sandy Huang <hjc@rock-chips.com>
> ---
> Changes in v3:
> update for rgb-mode move to panel node.
> Changes in v2:
> 1. add error log when probe failed;
> 2. update name_to_output_mode() according to sean's suggest;
> 3. Fix uninitialized use of ret.
>
> drivers/gpu/drm/rockchip/Kconfig | 9 +
> drivers/gpu/drm/rockchip/Makefile | 1 +
> drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 2 +
> drivers/gpu/drm/rockchip/rockchip_drm_drv.h | 1 +
> drivers/gpu/drm/rockchip/rockchip_rgb.c | 343 ++++++++++++++++++++++++++++
> 5 files changed, 356 insertions(+)
> create mode 100644 drivers/gpu/drm/rockchip/rockchip_rgb.c
>
> diff --git a/drivers/gpu/drm/rockchip/Kconfig b/drivers/gpu/drm/rockchip/Kconfig
> index 0c31f0a..85c7cc5 100644
> --- a/drivers/gpu/drm/rockchip/Kconfig
> +++ b/drivers/gpu/drm/rockchip/Kconfig
> @@ -8,6 +8,7 @@ config DRM_ROCKCHIP
> select DRM_ANALOGIX_DP if ROCKCHIP_ANALOGIX_DP
> select DRM_DW_HDMI if ROCKCHIP_DW_HDMI
> select DRM_MIPI_DSI if ROCKCHIP_DW_MIPI_DSI
> + select DRM_RGB if ROCKCHIP_RGB
> select SND_SOC_HDMI_CODEC if ROCKCHIP_CDN_DP && SND_SOC
> help
> Choose this option if you have a Rockchip soc chipset.
> @@ -65,4 +66,12 @@ config ROCKCHIP_LVDS
> Rockchip rk3288 SoC has LVDS TX Controller can be used, and it
> support LVDS, rgb, dual LVDS output mode. say Y to enable its
> driver.
> +
> +config ROCKCHIP_RGB
> + bool "Rockchip RGB support"

See the fix[0] for lvds, RGB driver using pinctl also need "depends on PINCTRL".

[0]https://patchwork.kernel.org/patch/9987017/

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