[Intel-gfx] rfc: kms fix S3 resume

[Eric Anholt]

On Tue, 2009-02-10 at 14:11 +0800, Shaohua Li wrote:
> After enabling kms, my console can't get resumed from S3. Below patch
> makes it work, please check.

If we're going to do the resume this way (and it sounds like a pretty
good plan to me), it seems like we should skip all the preceding mode
restore code in that function.

> ---
>  drivers/gpu/drm/i915/i915_suspend.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> Index: linux/drivers/gpu/drm/i915/i915_suspend.c
> ===================================================================
> --- linux.orig/drivers/gpu/drm/i915/i915_suspend.c	2009-02-10 13:33:25.000000000 +0800
> +++ linux/drivers/gpu/drm/i915/i915_suspend.c	2009-02-10 14:10:46.000000000 +0800
> @@ -28,6 +28,7 @@
>  #include "drm.h"
>  #include "i915_drm.h"
>  #include "i915_drv.h"
> +#include <drm/drm_crtc_helper.h>
>  
>  static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe)
>  {
> @@ -519,6 +520,7 @@ int i915_restore_state(struct drm_device
>  
>  	i915_restore_vga(dev);
>  
> +	drm_helper_resume_force_mode(dev);
>  	return 0;
>  }
>  
> 
> 
> _______________________________________________
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> Intel-gfx at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx
-- 
Eric Anholt
eric at anholt.net                         eric.anholt at intel.com


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