[Nouveau] [PATCH] drm/nouveau: Add a module option to force card POST.

[Ben Skeggs]

On Wed, 2010-09-29 at 11:15 +0000, Marcin Kościelnicki wrote:

Yes, this is useful for development purposes in the very least.  I've
queued it up in my tree.

Thanks,
Ben.
> ---
>  drivers/gpu/drm/nouveau/nouveau_bios.c |    2 ++
>  drivers/gpu/drm/nouveau/nouveau_drv.c  |    4 ++++
>  drivers/gpu/drm/nouveau/nouveau_drv.h  |    1 +
>  3 files changed, 7 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
> index 0b844ea..4df6898 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_bios.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
> @@ -6871,6 +6871,8 @@ nouveau_bios_init(struct drm_device *dev)
>  			"running VBIOS init tables.\n");
>  		bios->execute = true;
>  	}
> +	if (nouveau_force_post)
> +		bios->execute = true;
>  
>  	ret = nouveau_run_vbios_init(dev);
>  	if (ret)
> diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
> index 39535c8..8006f30 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_drv.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
> @@ -80,6 +80,10 @@ MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration");
>  int nouveau_nofbaccel = 0;
>  module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400);
>  
> +MODULE_PARM_DESC(force_post, "Force POST");
> +int nouveau_force_post = 0;
> +module_param_named(force_post, nouveau_force_post, int, 0400);
> +
>  MODULE_PARM_DESC(override_conntype, "Ignore DCB connector type");
>  int nouveau_override_conntype = 0;
>  module_param_named(override_conntype, nouveau_override_conntype, int, 0400);
> diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
> index 591254e..6201c47 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_drv.h
> +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
> @@ -755,6 +755,7 @@ extern char *nouveau_vbios;
>  extern int nouveau_ignorelid;
>  extern int nouveau_nofbaccel;
>  extern int nouveau_noaccel;
> +extern int nouveau_force_post;
>  extern int nouveau_override_conntype;
>  extern char *nouveau_perflvl;
>  extern int nouveau_perflvl_wr;