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From: Daniel Vetter <daniel@ffwll.ch>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
	intel-gfx@lists.freedesktop.org, stable@vger.kernel.org
Subject: Re: [PATCH] drm/i915: Disable stolen on 865G
Date: Thu, 4 Aug 2016 18:31:21 +0200	[thread overview]
Message-ID: <20160804163121.GP6232@phenom.ffwll.local> (raw)
In-Reply-To: <1470304564-9842-1-git-send-email-chris@chris-wilson.co.uk>

On Thu, Aug 04, 2016 at 10:56:04AM +0100, Chris Wilson wrote:
> It appears our calculation for the address of stolen memory is incorrect
> for 865G, so for the time being disable our use of that memory.
> 
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96473
> Fixes: 0ad98c74e093 ("drm/i915: Deatermine the stolen memory base address...")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: stable@vger.kernel.org

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
>  drivers/gpu/drm/i915/i915_gem_stolen.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
> index e1791fe96674..8b501ddbc784 100644
> --- a/drivers/gpu/drm/i915/i915_gem_stolen.c
> +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
> @@ -122,6 +122,7 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev)
>  		 * always at TOUD? Ie. is it always the last
>  		 * one to be allocated by the BIOS?
>  		 */
> +		if (0) /* https://bugs.freedesktop.org/show_bug.cgi?id=96473 */
>  		pci_bus_read_config_word(dev->pdev->bus, PCI_DEVFN(0, 0),
>  					 I865_TOUD, &toud);
>  
> -- 
> 2.8.1
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

WARNING: multiple messages have this Message-ID (diff)
From: Daniel Vetter <daniel@ffwll.ch>
To: Chris Wilson <chris@chris-wilson.co.uk>
Cc: intel-gfx@lists.freedesktop.org,
	"Ville Syrjälä" <ville.syrjala@linux.intel.com>,
	"Daniel Vetter" <daniel.vetter@ffwll.ch>,
	stable@vger.kernel.org
Subject: Re: [PATCH] drm/i915: Disable stolen on 865G
Date: Thu, 4 Aug 2016 18:31:21 +0200	[thread overview]
Message-ID: <20160804163121.GP6232@phenom.ffwll.local> (raw)
In-Reply-To: <1470304564-9842-1-git-send-email-chris@chris-wilson.co.uk>

On Thu, Aug 04, 2016 at 10:56:04AM +0100, Chris Wilson wrote:
> It appears our calculation for the address of stolen memory is incorrect
> for 865G, so for the time being disable our use of that memory.
> 
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96473
> Fixes: 0ad98c74e093 ("drm/i915: Deatermine the stolen memory base address...")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Ville Syrj�l� <ville.syrjala@linux.intel.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: stable@vger.kernel.org

Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
> ---
>  drivers/gpu/drm/i915/i915_gem_stolen.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
> index e1791fe96674..8b501ddbc784 100644
> --- a/drivers/gpu/drm/i915/i915_gem_stolen.c
> +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
> @@ -122,6 +122,7 @@ static unsigned long i915_stolen_to_physical(struct drm_device *dev)
>  		 * always at TOUD? Ie. is it always the last
>  		 * one to be allocated by the BIOS?
>  		 */
> +		if (0) /* https://bugs.freedesktop.org/show_bug.cgi?id=96473 */
>  		pci_bus_read_config_word(dev->pdev->bus, PCI_DEVFN(0, 0),
>  					 I865_TOUD, &toud);
>  
> -- 
> 2.8.1
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

  parent reply	other threads:[~2016-08-04 16:31 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-04  9:56 [PATCH] drm/i915: Disable stolen on 865G Chris Wilson
2016-08-04  9:56 ` Chris Wilson
2016-08-04 11:11 ` ✗ Ro.CI.BAT: failure for " Patchwork
2016-08-04 16:31 ` Daniel Vetter [this message]
2016-08-04 16:31   ` [PATCH] " Daniel Vetter
2016-08-04 16:44   ` Ville Syrjälä
2016-08-04 16:44     ` Ville Syrjälä
2016-08-04 16:53     ` Chris Wilson
2016-08-04 16:53       ` Chris Wilson

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