Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9e74d292 authored by Emil Renner Berthing's avatar Emil Renner Berthing Committed by Greg Kroah-Hartman
Browse files

staging: imx-drm: add LVDS666 support for parallel display 



Support the LVDS666 format on the IPUv3 parallel display.
This makes the screen work on my Hercules eCAFE Slim HD.

Signed-off-by: default avatarEmil Renner Berthing <kernel@esmil.dk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d63bc1fb

Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt

+1 −0
Original line number Diff line number Diff line
@@ -61,6 +61,7 @@ Required properties: 
Optional properties:

- interface_pix_fmt: How this display is connected to the

  display interface. Currently supported types: "rgb24", "rgb565", "bgr666"

  and "lvds666".

- edid: verbatim EDID data block describing attached display.

- ddc: phandle describing the i2c bus handling the display data

  channel

drivers/staging/imx-drm/ipu-v3/ipu-dc.c

+9 −0
Original line number Diff line number Diff line
@@ -91,6 +91,7 @@ enum ipu_dc_map { 
	IPU_DC_MAP_RGB565,

	IPU_DC_MAP_GBR24, /* TVEv2 */

	IPU_DC_MAP_BGR666,

	IPU_DC_MAP_LVDS666,

	IPU_DC_MAP_BGR24,

};
@@ -153,6 +154,8 @@ static int ipu_pixfmt_to_map(u32 fmt) 
		return IPU_DC_MAP_GBR24;

	case V4L2_PIX_FMT_BGR666:

		return IPU_DC_MAP_BGR666;

	case v4l2_fourcc('L', 'V', 'D', '6'):

		return IPU_DC_MAP_LVDS666;

	case V4L2_PIX_FMT_BGR24:

		return IPU_DC_MAP_BGR24;

	default:
@@ -398,6 +401,12 @@ int ipu_dc_init(struct ipu_soc *ipu, struct device *dev, 
	ipu_dc_map_config(priv, IPU_DC_MAP_BGR666, 1, 11, 0xfc); /* green */

	ipu_dc_map_config(priv, IPU_DC_MAP_BGR666, 2, 17, 0xfc); /* red */



	/* lvds666 */

	ipu_dc_map_clear(priv, IPU_DC_MAP_LVDS666);

	ipu_dc_map_config(priv, IPU_DC_MAP_LVDS666, 0, 5, 0xfc); /* blue */

	ipu_dc_map_config(priv, IPU_DC_MAP_LVDS666, 1, 13, 0xfc); /* green */

	ipu_dc_map_config(priv, IPU_DC_MAP_LVDS666, 2, 21, 0xfc); /* red */



	/* bgr24 */

	ipu_dc_map_clear(priv, IPU_DC_MAP_BGR24);

	ipu_dc_map_config(priv, IPU_DC_MAP_BGR24, 2, 7, 0xff); /* red */

drivers/staging/imx-drm/parallel-display.c

+2 −0
Original line number Diff line number Diff line
@@ -219,6 +219,8 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data) 
			imxpd->interface_pix_fmt = V4L2_PIX_FMT_RGB565;

		else if (!strcmp(fmt, "bgr666"))

			imxpd->interface_pix_fmt = V4L2_PIX_FMT_BGR666;

		else if (!strcmp(fmt, "lvds666"))

			imxpd->interface_pix_fmt = v4l2_fourcc('L', 'V', 'D', '6');

	}



	panel_node = of_parse_phandle(np, "fsl,panel", 0);