On Tue, 3 Oct 2006 16:55:52 +1000
Paul Mackerras <[email protected]> wrote:
> That is because the nvidia console driver has changed the line pitch
> from what the firmware set it to. This should fix it by making the
> nvidia driver inform the btext engine (which xmon uses if the screen
> is its output device) about changes to display resolution.
>
> Signed-off-by: Paul Mackerras <[email protected]>
> ---
> diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
> index d4f8501..18b9101 100644
> --- a/drivers/video/nvidia/nvidia.c
> +++ b/drivers/video/nvidia/nvidia.c
> @@ -28,6 +28,9 @@ #ifdef CONFIG_PPC_OF
> #include <asm/prom.h>
> #include <asm/pci-bridge.h>
> #endif
> +#ifdef CONFIG_BOOTX_TEXT
> +#include <asm/btext.h>
> +#endif
>
> #include "nv_local.h"
> #include "nv_type.h"
> @@ -681,6 +684,13 @@ #endif
>
> nvidia_vga_protect(par, 0);
>
> +#ifdef CONFIG_BOOTX_TEXT
> + /* Update debug text engine */
> + btext_update_display(info->fix.smem_start,
> + info->var.xres, info->var.yres,
> + info->var.bits_per_pixel, info->fix.line_length);
> +#endif
yup, that fixed it. xmon apparently doesn't know where fbcon's output
cursor is, but the characters are now readable.
-
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