On Tue, May 14, 2013 at 9:23 PM, Dave Airlie <airlied@xxxxxxxxx> wrote:
> From: Dave Airlie <airlied@xxxxxxxxxx>
>
> When UMS was deprecated it removed support for nomodeset commandline
> we really want this in distro land so we can debug stuff, everyone
> should fallback to vesa correctly.
>
> v2: oops -1 isn't used anymore, restore original behaviour
> -1 is default, so we can boot with nomodeset on the command line,
> then use radeon.modeset=1 to override it for debugging later.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
Whoops. Looks good to me. Do you want me take this patch through my
tree or do you want to apply it?
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/radeon/radeon_drv.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
> index d33f484..094e7e5 100644
> --- a/drivers/gpu/drm/radeon/radeon_drv.c
> +++ b/drivers/gpu/drm/radeon/radeon_drv.c
> @@ -147,7 +147,7 @@ static inline void radeon_unregister_atpx_handler(void) {}
> #endif
>
> int radeon_no_wb;
> -int radeon_modeset = 1;
> +int radeon_modeset = -1;
> int radeon_dynclks = -1;
> int radeon_r4xx_atom = 0;
> int radeon_agpmode = 0;
> @@ -456,6 +456,16 @@ static struct pci_driver radeon_kms_pci_driver = {
>
> static int __init radeon_init(void)
> {
> +#ifdef CONFIG_VGA_CONSOLE
> + if (vgacon_text_force() && radeon_modeset == -1) {
> + DRM_INFO("VGACON disable radeon kernel modesetting.\n");
> + radeon_modeset = 0;
> + }
> +#endif
> + /* set to modesetting by default if not nomodeset */
> + if (radeon_modeset == -1)
> + radeon_modeset = 1;
> +
> if (radeon_modeset == 1) {
> DRM_INFO("radeon kernel modesetting enabled.\n");
> driver = &kms_driver;
> --
> 1.8.1.2
>
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