From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhang, Jerry (Junwei)" Subject: Re: [PATCH] drm/amdgpu: fix NULL pointer dereference when run App with DRI_PRIME=1 Date: Mon, 28 May 2018 15:23:20 +0800 Message-ID: <5B0BAE68.7020401@amd.com> References: <1527226896-29270-1-git-send-email-Jerry.Zhang@amd.com> <5B07B933.4060701@amd.com> <2a876b66-abaa-5ca0-5975-2b458ab9dba5@amd.com> <5B07C807.4050806@amd.com> <98ef8cf3-31bf-229b-fee2-88f426e3a91f@amd.com> <5B07DCAA.509@amd.com> <31572675-9d62-2acf-5cbf-7a389ac87554@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <31572675-9d62-2acf-5cbf-7a389ac87554-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: christian.koenig-5C7GfCeVMHo@public.gmane.org, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org T24gMDUvMjUvMjAxOCAwNzoyMyBQTSwgQ2hyaXN0aWFuIEvDtm5pZyB3cm90ZToKPiBBbSAyNS4w NS4yMDE4IHVtIDExOjUxIHNjaHJpZWIgWmhhbmcsIEplcnJ5IChKdW53ZWkpOgo+PiBPbiAwNS8y NS8yMDE4IDA1OjM1IFBNLCBDaHJpc3RpYW4gS8O2bmlnIHdyb3RlOgo+Pj4gQW0gMjUuMDUuMjAx OCB1bSAxMDoyMyBzY2hyaWViIFpoYW5nLCBKZXJyeSAoSnVud2VpKToKPj4+PiBPbiAwNS8yNS8y MDE4IDAzOjU0IFBNLCBDaHJpc3RpYW4gS8O2bmlnIHdyb3RlOgo+Pj4+PiBBbSAyNS4wNS4yMDE4 IHVtIDA5OjIwIHNjaHJpZWIgWmhhbmcsIEplcnJ5IChKdW53ZWkpOgo+Pj4+Pj4gT24gMDUvMjUv MjAxOCAwMjo0NCBQTSwgQ2hyaXN0aWFuIEvDtm5pZyB3cm90ZToKPj4+Pj4+PiBOQUssIHRoYXQg cHJvYmFibHkganVzdCBmaXhlZCB0aGUgc3ltcHRvbSBidXQgbm90IHRoZSB1bmRlcmx5aW5nIHBy b2JsZW0uCj4+Pj4+Pj4KPj4+Pj4+PiBTb21lYm9keSBpcyBhY2Nlc3NpbmcgdGhlIHBhZ2UgYXJy YXkgd2hlbiBpdCBzaG91bGQgbmV2ZXIgYmUgYWNjZXNzZWQuCj4+Pj4+Pgo+Pj4+Pj4gSWYgcHJp bWUgaW1wb3J0IGFzIEdUVCBibyBieSBkZWZhdWx0KG5vdyBpdCdzIENQVSBibyksIGl0IHdvdWxk IGhhcHBlbnMKPj4+Pj4+IHF1aWNrbHkgd2hlbiBHVFQgc2cgYm8gY3JlYXRpb24gcmF0aGVyIHRo YW4gbmV4dCBjcyB2YWxpZGF0aW9uLgo+Pj4+Pj4KPj4+Pj4+IFNpbmNlIHR0bV9zZ190dF9pbml0 KCkgb25seSBhbGxvY2F0ZXMgZ3R0LT50dG0uZG1hX2FkZHJlc3MgaWYgc2cgYm8gaXMKPj4+Pj4+ IGNyZWF0ZWQsIGl0IHdvdWxkIGZhaWwgdG8gYWNjZXNzIHR0bS0+cGFnZXMgd2hlbiB0dG0gcG9w dWxhdGUuCj4+Pj4+Cj4+Pj4+IEFuZCBleGFjdGx5IHRoYXQncyB0aGUgcHJvYmxlbSwgYW5kIGlt cG9ydGVkIEJPIHNob3VsZCBuZXZlciBwb3B1bGF0ZS4KPj4+Pj4KPj4+Pj4+Cj4+Pj4+PiBjdXJy ZW50IGVycm9yIGhhcHBlbnMgaW4gdHRtIHBvcHVsYXRlIGZyb20gY3MgdmFsaWRhdGlvbiwgdGhl IHNnIGJvIGlzCj4+Pj4+PiBpbXBvcnRlZCBmcm9tIGV4cG9ydGVyLgo+Pj4+Pj4KPj4+Pj4+Pgo+ Pj4+Pj4+IEhvdyBkaWQgeW91IG1hbmFnZSB0byB0cmlnZ2VyIHRoaXM/Cj4+Pj4+Pgo+Pj4+Pj4g UFJJX1BSSU1FPTEgd2l0aCBVbmlnaW5lIGhlYXZlbi4KPj4+Pj4KPj4+Pj4gR29pbmcgdG8gZ2l2 ZSB0aGF0IGEgdHJ5LCBidXQgdGhlIGxhc3QgdGltZSBJIGNoZWNrIHRoYXQgd29ya2VkIGFzIGV4 cGVjdGVkLgo+Pj4+Cj4+Pj4gRllJLgo+Pj4+IFBSSV9QUklNRT0xIGdseGluZm8gd2lsbCBub3Qg dHJpZ2dlciB0aGF0LCBidXQgdGhlIGdhbWUgZG9lcy4KPj4+Cj4+PiBKdXN0IHRlc3RlZCBhbmQg aXQgd29ya3MgcGVyZmVjdGx5IGZpbmUuCj4+Pgo+Pj4gSXMgdGhhdCBvbiB0aGUgY2xvc2VkIHN0 YWNrIG9yIHRoZSBvcGVuIHN0YWNrPwo+Pgo+PiBJIHVzZWQgdW5pZmllZCBkcml2ZXIobGF0ZXN0 IDE4LjIwIGJ1aWxkKSArIGRybS1uZXh0IGtlcm5lbCwgaW5zdGFsbGVkIGFzIGFsbAo+PiBvcGVu IHN0YWNrIG9uIEErQSBwbGF0Zm9ybS4KPj4gKGlzc3VlIHdhcyBmb3VuZCBieSAxOC4yMCBidWls ZCwgYWxsIG9wZW4gc3RhY2soZGttcyBkcml2ZXIpKQo+Pgo+PiBCVFcsIEhvdyBkaWQgeW91IGdl dCB0aGUgVU1EPyBhcHQtZ2V0IG9yIGJ1aWxkIGJ5IHlvdXJzZWxmPwo+Cj4gVGhhdCdzIHNlbGYg YnVpbGQgTWVzYStsaWJkcm0uCj4KPiBEbyB5b3UgaGF2ZSB0aGUgYXB0IHVybCBhbmQvb3IgcGFj a2FnZSB2ZXJzaW9ucyBhdCBoYW5kIHlvdSB1c2VkIGZvciB0aGUgdGVzdD8KCkkgZm91bmQgdGhh dCB0aGUgVWJ1bnR1IGtlcm5lbCA0LjEzLzQuMTUgaGFzIG5vIGJlbG93IHBhdGNoOgogICAqIApo dHRwczovL2NnaXQuZnJlZWRlc2t0b3Aub3JnL35hZ2Q1Zi9saW51eC9jb21taXQvP2g9YW1kLXN0 YWdpbmctZHJtLW5leHQmaWQ9MTg2Y2E0NDZhZWExOWU0OWQyZTE0MzNkZDE3MGM2ZTFjMjExYTUy YQoKU28gd2UgY291bGQgZml4IHRoYXQgaW4gREtNUyBzdXBwb3J0IHJhdGhlciB0aGFuIGluIHVw c3RyZWFtLgoKRG91YmxlIGNvbmZpcm1lZCBkcm0tbmV4dCBrZXJuZWwgdGhhdCBoYXMgbm8gc3Vj aCBpc3N1ZS4KKG5vdCBzdXJlIHdoYXQncyBnb2luZyBvbiBsYXN0IHdlZWssIEkgZGlkIGdldCB0 aGUgbGF0ZXN0IGNvZGUgYW5kIGJ1aWxkIHRoZSAKa2VybmVsIGFuZCBpdCBmYWlsZWQuIFNvcnJ5 IGZvciB0aGlzIGluY29udmVuaWVuY2UpCgpUaGFua3MgZm9yIHlvdXIgdGltZSB0byBjaGVjayBp dC4KCkplcnJ5Cgo+Cj4gQ2hyaXN0aWFuLgo+Cj4+Cj4+Cj4+IEplcnJ5Cj4KX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QK YW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg==