From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 9/9] drm/vc4: Add an interface for capturing the GPU state after a hang. Date: Wed, 2 Dec 2015 23:26:29 +0100 Message-ID: <20151202222629.GC10243@phenom.ffwll.local> References: <1449002158-19156-1-git-send-email-eric@anholt.net> <1449002158-19156-9-git-send-email-eric@anholt.net> <87r3j48wzv.fsf@eliezer.anholt.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-f42.google.com (mail-wm0-f42.google.com [74.125.82.42]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5503E6EAFA for ; Wed, 2 Dec 2015 14:26:33 -0800 (PST) Received: by wmww144 with SMTP id w144so234367810wmw.1 for ; Wed, 02 Dec 2015 14:26:31 -0800 (PST) Content-Disposition: inline In-Reply-To: <87r3j48wzv.fsf@eliezer.anholt.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Eric Anholt Cc: Emil Velikov , "Linux-Kernel@Vger. Kernel. Org" , ML dri-devel List-Id: dri-devel@lists.freedesktop.org T24gV2VkLCBEZWMgMDIsIDIwMTUgYXQgMTE6MzU6MTZBTSAtMDgwMCwgRXJpYyBBbmhvbHQgd3Jv dGU6Cj4gRW1pbCBWZWxpa292IDxlbWlsLmwudmVsaWtvdkBnbWFpbC5jb20+IHdyaXRlczoKPiAK PiA+IE9uIDEgRGVjZW1iZXIgMjAxNSBhdCAyMDozNSwgRXJpYyBBbmhvbHQgPGVyaWNAYW5ob2x0 Lm5ldD4gd3JvdGU6Cj4gPj4gVGhpcyBjYW4gYmUgcGFyc2VkIHdpdGggdmM0LWdwdS10b29scyB0 b29scyBmb3IgdHJ5aW5nIHRvIGZpZ3VyZSBvdXQKPiA+PiB3aGF0IHdhcyBnb2luZyBvbi4KPiA+ Pgo+ID4gSSBtaWdodCBiZSBwdXNoaW5nIG15IGx1Y2sgaGVyZSAuLi4gaGF2ZSB5b3UgdGhvdWdo dCBhYm91dCBiYXNpbmcKPiA+IChmb3JraW5nKSB2YzQtZ3B1LXRvb2xzIG9mIGludGVsLWdwdS10 b29scyA/IEknZCBpbWFnaW5lIHRoYXQgdGhlCj4gPiBtYWNyb3MgYW5kIGhlbHBlcnMgd2lsbCBj b21lIGluIGhhbmR5LCBkZXNwaXRlIHRoYXQgc29tZSBhcmUgcXVpdGUKPiA+IGludGVsIHNwZWNp ZmljLgo+ID4KPiA+IE9uIGEgcmVsYXRlZCBub3RlIC0gd2l0aCB0aGUgYWJvdmUgcHJvamVjdCBp biBwbGFjZSBJJ2QgaW1hZ2luZSB5b3UKPiA+IGhhdmUgKHJlKWNvbnNpZGVyZWQgYWJvdXQgaGF2 aW5nIGxpYmRybS12YzQgPyBDb3B5aW5nIGh1bmtzIGFyb3VuZAo+ID4gbWlnaHQgbGVhZCB0byBp bnRlcmVzdGluZyBtb21lbnRzIChhcyB5b3UgaGF2ZSBhbHJlYWR5IG5vdGljZWQgOi1QKQo+ID4K PiA+IE9uIHRoYXQgbm90ZSBJJ2xsIHN0b3Agbm93IHdpdGggYmVhdGluZyB0aGUgbGliZHJtIGRy dW0gOi0pCj4gCj4gVGhlIGhlYWRlcnMgYW5kIGNvZGUgdGhhdCBJIGNvcHkgYmV0d2VlbiB0aGUg dHdvIHVzZXJzcGFjZSBsb2NhdGlvbnMKPiB3aWxsIGdvIGluIGxpYmRybSB3aGVuIEkgaGF2ZSBh IGtlcm5lbCBBQkksIGJ1dCB2YzRfZHJtLmggY2FuJ3QgZ28gaW4KPiB1bnRpbCBtZXJnaW5nIHRv IHRoZSBrZXJuZWwsIGFuZCB0aGVyZSdzIG5vdCBhIHdob2xlIGxvdCBvZiBwb2ludAo+IHdpdGhv dXQgdGhhdC4KPiAKPiBZZXMsIEkgaGF2ZSB0aG91Z2h0IGFib3V0IGJhc2luZyB2YzQtZ3B1LXRv b2xzIG9mZiBvZiBpbnRlbC1ncHUtdG9vbHMuCj4gSSd2ZSBhY3R1YWxseSB0cmllZCB0byBidWls ZCBhbmQgdXNlIHRoZSBrbXMgdGVzdGluZyBzdHVmZiBvbiB2YzQsIGFuZAo+IGl0IHdhcyBhIHRv dGFsIGJ1c3QuICBTb21lb25lIG5lZWRzIHRvIGRvIGEgbG90IG9mIHdvcmsgdG8gbWFrZSBpZ3QK PiB1c2VmdWwgZm9yIG5vbi1pbnRlbC4gIElmIHlvdSdkIGxpa2UgbWUgdG8gYnVpbGQgbXkgdmM0 IHRlc3RpbmcgaW5zaWRlCj4gb2YgaWd0LCBJJ2Qgc29tZW9uZSB0byBkZW1vIG9uZSBvZiBteSB0 ZXN0cyBidWlsZGluZyBpbnNpZGUgb2YgaWd0LCB3aXRoCj4gdGhlIHRlc3QgcnVubmVyIHdvcmtp bmcgYW5kIG5vbmUgb2YgdGhlIGludGVsLXNwZWNpZmljIHRlc3RzIHJlcG9ydGluZwo+IGZhaWx1 cmUsIGFuZCBnZXQgbWUgcGVybWlzc2lvbiB0byBqdXN0IHB1c2ggY29kZSB0byB0aGF0IHJlcG9z aXRvcnkKPiAoSXQncyBoYXJkIGVub3VnaCBnZXR0aW5nIHBpZ2xpdCB0ZXN0cyByZXZpZXdlZCwg dmM0LXNwZWNpZmljIHRlc3RzIGFuZAo+IHRvb2xzIHdvdWxkIG5ldmVyIGdldCByZXZpZXcpLgoK RGFuaWVsIFN0b25lIGNsYWltZWQgdGhhdCB0aGlzIEp1c3QgV29ya3MgYnV0IGV2aWRlbnRseSBp dCBkb2Vzbid0LgpUaGVyZSdzIHNvbWUgYXV0b2NvbmZpZyBmYWlsIHdoZXJlIGlndCB3YW50cyB0 b28gbXVjaCBpbnRlbCBjcmFwIHRoYXQganVzdApkb2Vzbid0IGJ1aWxkIG9uIGFybS4gSWlyYyBE YW5pZWwgaGFkIHNvbWUgcGF0Y2hlcyBmbG9hdGluZyBhcm91bmQgZm9yCnRoYXQuCgpXcnQgYnVp bGRpbmcgdGVzdHMgaXRzZWxmIEkgdGhpbmsgd2Ugc2hvdWxkIHJlcXVpcmUgbGliZHJtXyR2ZW5k b3IKZXZlcnl3aGVyZSwgc2luY2Ugd2l0aG91dCB0aGF0IHlvdSBjYW4gZW1iZWRkZWQgYSB2ZW5k b3Igc3BlY2lmaWMgdGVzdGNhc2UKaW50byBhIHNoYXJlZCBvbmUgKGUuZy4gdG8gdGVzdCB0aWxl ZCBwYWdlZmxpcHBpbmcpLiBBbmQgaWYgdGhhdCdzIG5vdApwb3NzaWJsZSB0aGVuIGVpdGhlciB3 ZSdsbCBlbmQgdXAgaW4gI2lmZGVmIGhlbGwgb3IgY29kZSBzaGFyaW5nIGlzIHJlYWxseQpoYXJk LCByZW5kZXJpbmcgYSBzaGFyZWQgdGVzdHN1aXRlIHByZXR0eSB1c2VsZXNzLgoKV3J0IGNvbW1p dCBhY2Nlc3MgSSdtIG9rIHdpdGggdGhhdCwgYXRtIHJ1bGUgZm9yIGlndCBpcyB0byBzZW5kIHRv CmludGVsLWdmeCBhbmQgcHVzaCBhZnRlciAyNGggb2Ygbm8gY29tcGxhaW50cy4gRm9yIHB1cmVs eSB2YzQtc3BlY2lmaWMKc3R1ZmYgd2Ugc2hvdWxkIHByb2JhYmx5IGNyZWF0ZSBhIHZjNCBzdWJk aXIuCgpXcnQgdGVzdHMgZmFpbGluZzogSSBzb21ldGltZXMgcnVuIHRoZSBlbnRpcmUgc3VpdGUg aGVyZSBvbiBhIHJhZGVvbiwgYW5kCmF0IGxlYXN0IGluIHRoZSBwYXN0IHRoYXQgcmVzdWx0ZWQg aW4gYSBwZXJmZWN0IDEwMCUgc2tpcCBzY29yZS4gU28gc2hvdWxkCndvcmssIHRvby4KCkNoZWVy cywgRGFuaWVsCi0tIApEYW5pZWwgVmV0dGVyClNvZnR3YXJlIEVuZ2luZWVyLCBJbnRlbCBDb3Jw b3JhdGlvbgpodHRwOi8vYmxvZy5mZndsbC5jaApfX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xp c3RpbmZvL2RyaS1kZXZlbAo=