[Intel-gfx] [DRM/I915]: Restore the modeset for every activated CRTC

[Zhenyu Wang]

On 2009.07.02 15:16:56 +0800, yakui.zhao at intel.com wrote:
> From: Zhao Yakui <yakui.zhao at intel.com>
> 
> Restore the modeset for every activated CRTC in course of resume.
> This is realized by calling the function of drm_helper_resume_force_mode.
> Note: it is meaningful only for the KMS mode.
> 
> Signed-off-by: Zhao Yakui <yakui.zhao at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.c |    5 +++++
>  1 file changed, 5 insertions(+)
> 
> Index: linux-2.6/drivers/gpu/drm/i915/i915_drv.c
> ===================================================================
> --- linux-2.6.orig/drivers/gpu/drm/i915/i915_drv.c	2009-07-02 14:24:44.000000000 +0800
> +++ linux-2.6/drivers/gpu/drm/i915/i915_drv.c	2009-07-02 14:25:52.000000000 +0800
> @@ -35,6 +35,7 @@
>  
>  #include "drm_pciids.h"
>  #include <linux/console.h>
> +#include "drm_crtc_helper.h"
>  
>  static unsigned int i915_modeset = -1;
>  module_param_named(modeset, i915_modeset, int, 0400);
> @@ -115,6 +116,10 @@
>  
>  		drm_irq_install(dev);
>  	}
> +	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
> +		/* Resume the modeset for every activated CRTC */
> +		drm_helper_resume_force_mode(dev);
> +	}

It can be folded into the if before, and with this one, do we still need save/restore?

>  
>  	return ret;
>  }
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> Intel-gfx at lists.freedesktop.org
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