[PATCH 12/31] drm/i915: Remove lingering pci_save_state

Gupta, Anshuman anshuman.gupta at intel.com
Fri Sep 27 08:45:14 UTC 2024



> -----Original Message-----
> From: Vivi, Rodrigo <rodrigo.vivi at intel.com>
> Sent: Wednesday, September 25, 2024 2:06 AM
> To: intel-gfx at lists.freedesktop.org; intel-xe at lists.freedesktop.org
> Cc: Deak, Imre <imre.deak at intel.com>; Vivi, Rodrigo <rodrigo.vivi at intel.com>;
> Gupta, Anshuman <anshuman.gupta at intel.com>; Ville Syrjälä
> <ville.syrjala at linux.intel.com>
> Subject: [PATCH 12/31] drm/i915: Remove lingering pci_save_state
> 
> The pairing pci_restore_state was removed by commit 'b7e53aba2f0e
> ("drm/i915: remove restore in resume")'
> to fix a hardware hang in resume.
> 
> Furthermore, it looks like PCI subsystem should be taking care of the save and
> restore here.
> 
> Remove the lingering/stand-alone pci_save_state call.
> 
> Cc: Anshuman Gupta <anshuman.gupta at intel.com>
> Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
> ---
>  drivers/gpu/drm/i915/i915_driver.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_driver.c
> b/drivers/gpu/drm/i915/i915_driver.c
> index ce2dd03136d3..4fc9d8bce1fd 100644
> --- a/drivers/gpu/drm/i915/i915_driver.c
> +++ b/drivers/gpu/drm/i915/i915_driver.c
> @@ -1008,8 +1008,6 @@ static int i915_drm_suspend(struct drm_device *dev)
>  		intel_display_driver_disable_user_access(dev_priv);
>  	}
> 
> -	pci_save_state(pdev);
Looks good to me!
Reviewed-by: Anshuman Gupta <anshuman.gupta at intel.com>

> -
>  	intel_display_driver_suspend(dev_priv);
> 
>  	intel_irq_suspend(dev_priv);
> --
> 2.46.0



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