From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm/i915: Disable stolen on 865G Date: Thu, 4 Aug 2016 18:31:21 +0200 Message-ID: <20160804163121.GP6232@phenom.ffwll.local> References: <1470304564-9842-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-x241.google.com (mail-wm0-x241.google.com [IPv6:2a00:1450:400c:c09::241]) by gabe.freedesktop.org (Postfix) with ESMTPS id 097A16E9EC for ; Thu, 4 Aug 2016 16:31:27 +0000 (UTC) Received: by mail-wm0-x241.google.com with SMTP id x83so14796wma.3 for ; Thu, 04 Aug 2016 09:31:26 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1470304564-9842-1-git-send-email-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Chris Wilson Cc: Daniel Vetter , intel-gfx@lists.freedesktop.org, stable@vger.kernel.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCBBdWcgMDQsIDIwMTYgYXQgMTA6NTY6MDRBTSArMDEwMCwgQ2hyaXMgV2lsc29uIHdy b3RlOgo+IEl0IGFwcGVhcnMgb3VyIGNhbGN1bGF0aW9uIGZvciB0aGUgYWRkcmVzcyBvZiBzdG9s ZW4gbWVtb3J5IGlzIGluY29ycmVjdAo+IGZvciA4NjVHLCBzbyBmb3IgdGhlIHRpbWUgYmVpbmcg ZGlzYWJsZSBvdXIgdXNlIG9mIHRoYXQgbWVtb3J5Lgo+IAo+IEJ1Z3ppbGxhOiBodHRwczovL2J1 Z3MuZnJlZWRlc2t0b3Aub3JnL3Nob3dfYnVnLmNnaT9pZD05NjQ3Mwo+IEZpeGVzOiAwYWQ5OGM3 NGUwOTMgKCJkcm0vaTkxNTogRGVhdGVybWluZSB0aGUgc3RvbGVuIG1lbW9yeSBiYXNlIGFkZHJl c3MuLi4iKQo+IFNpZ25lZC1vZmYtYnk6IENocmlzIFdpbHNvbiA8Y2hyaXNAY2hyaXMtd2lsc29u LmNvLnVrPgo+IENjOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwu Y29tPgo+IENjOiBEYW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVyQGZmd2xsLmNoPgo+IENjOiBz dGFibGVAdmdlci5rZXJuZWwub3JnCgpBY2tlZC1ieTogRGFuaWVsIFZldHRlciA8ZGFuaWVsLnZl dHRlckBmZndsbC5jaD4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9nZW1fc3Rv bGVuLmMgfCAxICsKPiAgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspCj4gCj4gZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX3N0b2xlbi5jIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaTkxNV9nZW1fc3RvbGVuLmMKPiBpbmRleCBlMTc5MWZlOTY2NzQuLjhiNTAx ZGRiYzc4NCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2dlbV9zdG9s ZW4uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZ2VtX3N0b2xlbi5jCj4gQEAg LTEyMiw2ICsxMjIsNyBAQCBzdGF0aWMgdW5zaWduZWQgbG9uZyBpOTE1X3N0b2xlbl90b19waHlz aWNhbChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2KQo+ICAJCSAqIGFsd2F5cyBhdCBUT1VEPyBJZS4g aXMgaXQgYWx3YXlzIHRoZSBsYXN0Cj4gIAkJICogb25lIHRvIGJlIGFsbG9jYXRlZCBieSB0aGUg QklPUz8KPiAgCQkgKi8KPiArCQlpZiAoMCkgLyogaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9y Zy9zaG93X2J1Zy5jZ2k/aWQ9OTY0NzMgKi8KPiAgCQlwY2lfYnVzX3JlYWRfY29uZmlnX3dvcmQo ZGV2LT5wZGV2LT5idXMsIFBDSV9ERVZGTigwLCAwKSwKPiAgCQkJCQkgSTg2NV9UT1VELCAmdG91 ZCk7Cj4gIAo+IC0tIAo+IDIuOC4xCj4gCgotLSAKRGFuaWVsIFZldHRlcgpTb2Z0d2FyZSBFbmdp bmVlciwgSW50ZWwgQ29ycG9yYXRpb24KaHR0cDovL2Jsb2cuZmZ3bGwuY2gKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlz dApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-f67.google.com ([74.125.82.67]:36538 "EHLO mail-wm0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758858AbcHDQb1 (ORCPT ); Thu, 4 Aug 2016 12:31:27 -0400 Received: by mail-wm0-f67.google.com with SMTP id x83so14797wma.3 for ; Thu, 04 Aug 2016 09:31:25 -0700 (PDT) Date: Thu, 4 Aug 2016 18:31:21 +0200 From: Daniel Vetter To: Chris Wilson Cc: intel-gfx@lists.freedesktop.org, Ville =?iso-8859-1?Q?Syrj=E4l=E4?= , Daniel Vetter , stable@vger.kernel.org Subject: Re: [PATCH] drm/i915: Disable stolen on 865G Message-ID: <20160804163121.GP6232@phenom.ffwll.local> References: <1470304564-9842-1-git-send-email-chris@chris-wilson.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1470304564-9842-1-git-send-email-chris@chris-wilson.co.uk> Sender: stable-owner@vger.kernel.org List-ID: 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 > Cc: Ville Syrj�l� > Cc: Daniel Vetter > Cc: stable@vger.kernel.org Acked-by: Daniel Vetter > --- > 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