From: Markus Niebel <markus.nie...@tqs.de> Since 18 bit is supported as datawidth in device tree it should be supported in driver. Beside the LDB channel the IPU channel has also to be configured to use BGR666.
Signed-off-by: Markus Niebel <markus.nie...@tqs.de> Signed-off-by: Steffen Trumtrar <s.trumt...@pengutronix.de> --- This is based on the series: "staging: drm/imx: Add LDB support" by Philipp. drivers/staging/imx-drm/imx-ldb.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/staging/imx-drm/imx-ldb.c b/drivers/staging/imx-drm/imx-ldb.c index d8fc93c..84bf7d3 100644 --- a/drivers/staging/imx-drm/imx-ldb.c +++ b/drivers/staging/imx-drm/imx-ldb.c @@ -179,6 +179,7 @@ static void imx_ldb_encoder_prepare(struct drm_encoder *encoder) struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder); struct imx_ldb *ldb = imx_ldb_ch->ldb; struct drm_display_mode *mode = &encoder->crtc->mode; + u32 pixel_fmt; unsigned long serial_clk; unsigned long di_clk = mode->clock * 1000; int mux = imx_drm_encoder_get_mux_id(imx_ldb_ch->imx_drm_encoder, @@ -194,8 +195,23 @@ static void imx_ldb_encoder_prepare(struct drm_encoder *encoder) imx_ldb_set_clock(ldb, mux, imx_ldb_ch->chno, serial_clk, di_clk); } + switch (imx_ldb_ch->chno) { + case 0: + pixel_fmt = (ldb->ldb_ctrl & LDB_DATA_WIDTH_CH0_24) ? + V4L2_PIX_FMT_RGB24 : V4L2_PIX_FMT_BGR666; + break; + case 1: + pixel_fmt = (ldb->ldb_ctrl & LDB_DATA_WIDTH_CH1_24) ? + V4L2_PIX_FMT_RGB24 : V4L2_PIX_FMT_BGR666; + break; + default: + dev_err(ldb->dev, "unable to config di%d panel format\n", + imx_ldb_ch->chno); + pixel_fmt = V4L2_PIX_FMT_RGB24; + } + imx_drm_crtc_panel_format_pins(encoder->crtc, DRM_MODE_ENCODER_LVDS, - V4L2_PIX_FMT_RGB24, 2, 3); + pixel_fmt, 2, 3); } static void imx_ldb_encoder_commit(struct drm_encoder *encoder) -- 1.8.2.rc2 _______________________________________________ devicetree-discuss mailing list devicetree-discuss@lists.ozlabs.org https://lists.ozlabs.org/listinfo/devicetree-discuss