Re: [PATCH 3/7] Add i.MX5 framebuffer driver
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: 2011-02-18 09:52:33
Also in:
linux-arm-kernel, lkml
Hi Jason, On Fri, Feb 18, 2011 at 05:22:09PM +0800, Jason Chen wrote:
hi, Sasha,quoted
+ if (var->vmode & FB_VMODE_ODD_FLD_FIRST) /* PAL */ + sig_cfg.odd_field_first = 1; + if (var->sync & FB_SYNC_EXT) + sig_cfg.ext_clk = 1; + if (var->sync & FB_SYNC_HOR_HIGH_ACT) + sig_cfg.Hsync_pol = 1;Please remove FB_SYNC_EXT support.
No problem, can do. But why? Is it nonfunctional in the hardware or is it that the current code just misses more pieces to support this?
+static void imx_ipu_fb_disable_overlay(struct fb_info *ovl)
+{
+ struct imx_ipu_fb_info *mxc_ovl = ovl->par;
+
+ if (!mxc_ovl->enabled)
+ return;
+
+ ipu_dp_disable_fg(mxc_ovl->dp);
+ ipu_wait_for_interrupt(451, 100);
+ ipu_idmac_disable_channel(mxc_ovl->ipu_ch);
+ ipu_dmfc_disable_channel(mxc_ovl->dmfc);
+ mxc_ovl->enabled = 0;
+}
Had better has a definition of ipu irq 451.Ok. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |