On Thu, Apr 24, 2008 at 06:57:48PM +0200, Simon Braunschmidt wrote:
> Hi all
>
> We are running 2.6.24-omap1.
>
> We have problems to get the framebuffer driver running on a
> SDP2430-VG5.0.1 board. At the moment the LCD stays dark, no penguin to
> be seen, test program not displaying anything, nothing. We tried
> different configurations already but we are not exactly sure which
> Kconfig options are relevant. The sdp2430 defconfig does not work for
> us.
>
> A .config for a known to be working framebuffer configuration would be
> very helpfull, together with kernel version or git tag.
>
> Also we are seeing a bug, instability, whatever coming from :
>
> drivers/video/omap/dispc.c
>
> in function:
>
> static irqreturn_t omap_dispc_irq_handler(int irq, void *dev)
>
> This patch adds extra debug output:
>
>
>
>
> Index: drivers/video/omap/dispc.c
> ===================================================================
> --- drivers/video/omap/dispc.c (revision 325)
> +++ drivers/video/omap/dispc.c (working copy)
> @@ -864,8 +864,13 @@
>
> if (stat & DISPC_IRQ_MASK_ERROR) {
> if (printk_ratelimit()) {
> - dev_err(dispc.fbdev->dev, "irq error status %04x\n",
> + dev_err(dispc.fbdev->dev, "irq error status %04x",
> stat & 0x7fff);
> + printk("%s",(stat & DISPC_IRQ_SYNC_LOST)? "
> DISPC_IRQ_SYNC_LOST " : " ");
> + printk("%s",(stat &
> DISPC_IRQ_VID2_FIFO_UNDERFLOW)? "DISPC_IRQ_VID2_FIFO_UNDERFLOW " : "
> ");
> + printk("%s",(stat &
> DISPC_IRQ_VID1_FIFO_UNDERFLOW)? "DISPC_IRQ_VID1_FIFO_UNDERFLOW " : "
> ");
> + printk("%s",(stat &
> DISPC_IRQ_GFX_FIFO_UNDERFLOW)? "DISPC_IRQ_GFX_FIFO_UNDERFLOW\n" :
> "\n");
It's wrapped and you need to add some spaces before %s in all of them
:-p
In any case, this is only for testing purpose, i think it shouldn't be
applied. I don't have lcd working on 3430sdp as well but never look at
it.
--
Best Regards,
Felipe Balbi
me@xxxxxxxxxxxxxxx
http://blog.felipebalbi.com
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