From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jordan Crouse Subject: Re: [PATCH] drm/msm: Optimize GPU crashstate capture read path Date: Fri, 2 Nov 2018 08:06:13 -0600 Message-ID: <20181102140613.GC19984@jcrouse-lnx.qualcomm.com> References: <1541061341-29994-1-git-send-email-smasetty@codeaurora.org> <20181101150449.GA20483@jcrouse-lnx.qualcomm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Freedreno" To: Sharat Masetty Cc: linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: linux-arm-msm@vger.kernel.org T24gRnJpLCBOb3YgMDIsIDIwMTggYXQgMDM6MTI6NTFQTSArMDUzMCwgU2hhcmF0IE1hc2V0dHkg d3JvdGU6Cj4gVGhhbmtzIGZvciB0aGUgY29tbWVudHMgSm9yZGFuIC0KPiAKPiBPbiAxMS8xLzIw MTggODozNCBQTSwgSm9yZGFuIENyb3VzZSB3cm90ZToKPiA+T24gVGh1LCBOb3YgMDEsIDIwMTgg YXQgMDI6MDU6NDFQTSArMDUzMCwgU2hhcmF0IE1hc2V0dHkgd3JvdGU6Cj4gPj5XaGVuIHRoZSB1 c2Vyc3BhY2UgdHJpZXMgdG8gcmVhZCB0aGUgY3Jhc2hzdGF0ZSBkdW1wLCB0aGUgcmVhZCBzaWRl Cj4gPj5pbXBsZW1lbnRhdGlvbiBpbiB0aGUgZHJpdmVyIGN1cnJlbnRseSBhc2NpaTg1IGVuY29k ZXMgYWxsIHRoZSBiaW5hcnkKPiA+PmJ1ZmZlcnMgYW5kIGl0IGRvZXMgdGhpcyBlYWNoIHRpbWUg dGhlIHJlYWQgc3lzdGVtIGNhbGwgaXMgY2FsbGVkLgo+ID4+QSB1c2Vyc3BhY2UgdG9vbCBsaWtl IGNhdCB0eXBpY2FsbHkgZG9lcyBhIHBhZ2UgYnkgcGFnZSByZWFkIGFuZCB0aGUKPiA+Pm51bWJl ciBvZiByZWFkIGNhbGxzIGRlcGVuZHMgb24gdGhlIHNpemUgb2YgdGhlIGRhdGEgY2FwdHVyZWQg YnkgdGhlCj4gPj5kcml2ZXIuIFRoaXMgaXMgY2VydGFpbmx5IG5vdCBkZXNpcmFibGUgYW5kIGRv ZXMgbm90IHNjYWxlIHdlbGwgd2l0aAo+ID4+bGFyZ2UgY2FwdHVyZXMuCj4gPj4KPiA+PlRoaXMg cGF0Y2ggc3RhcnRzIG9mZiB3aXRoIG1vdmluZyB0aGUgZW5jb2RpbmcgcGFydCB0byB0aGUgY2Fw dHVyZSB0aW1lLAo+ID4+dGhhdCBpcyB3aGVuIHRoZSBHUFUgdHJpZXMgdG8gcmVjb3ZlciBhZnRl ciBhIGhhbmcuIE5vdyB3ZSBvbmx5IGVuY29kZQo+ID4+b25jZSBwZXIgYnVmZmVyIG9iamVjdCBh bmQgbm90IHBlciBwYWdlIHJlYWQuIFdpdGggdGhpcyB0aGVyZSBpcyBhbgo+ID4+aW1tZWRpYXRl ID4xMFggc3BlZWQgaW1wcm92ZW1lbnQgaW4gY3Jhc2hzdGF0ZSBzYXZlIHRpbWUuCj4gPj4KPiA+ PlRoZSBmbGlwIHNpZGUgaG93ZXZlciBpcyB0aGF0IHRoZSBHUFUgcmVjb3ZlcnkgdGltZSBpbmNy ZWFzZXMgYW5kIHRoaXMKPiA+Pm5lZ2F0aXZlbHkgaW1wYWN0cyB0aGUgdXNlciBleHBlcmllbmNl LCBzbyB0aGlzIGlzIGhhbmRsZWQgYnkgbW92aW5nIHRoZQo+ID4+ZW5jb2RpbmcgcGFydCB0byBh IHdvcmtlciB0aHJlYWQgYW5kIG9ubHkgcmVnaXN0ZXIgd2l0aCB0aGUgZGV2X2NvcmVkdW1wCj4g Pj5vbmNlIHRoZSBlbmNvZGluZyBvZiB0aGUgYnVmZmVycyBpcyBjb21wbGV0ZS4KPiA+Cj4gPkRv ZXMgeW91ciB0cmVlIGhhdmUgaHR0cHM6Ly9wYXRjaHdvcmsuZnJlZWRlc2t0b3Aub3JnL3BhdGNo LzI1NzE4MS8gPyBUaGF0IHdpbGwKPiA+aGVscCB3aXRoIGEgbG90IG9mIHRoZSBwcm9ibGVtcyB5 b3UgaGF2ZSBkZXNjcmliZWQuCj4gVGhlIGlzc3VlIGlzIHRoYXQgZXZlbiB3aXRoIHNtYWxsIHNp emVkIGZpbGVzIGxpa2UgfjVNQiBvciBzbywgdGhlCj4gY2FwdHVyZSB0aW1lIGlzIGh1Z2UgYW5k IHNvbWV0aW1lIGRvZXMgbm90IHN1cnZpdmUgdGhlIGRldl9jb3JlZHVtcAo+IHRpbWVvdXQgb2Yg NSBtaW51dGVzLiBXaXRoIHRoaXMgY2hhbmdlIGhvd2V2ZXIgSSBhbSBhYmxlIHRvIGR1bXAKPiBs YXJnZSBmaWxlIHNpemVzIGxpa2UgNjBNQiBvciBzbyBpbiByZWFzb25hYmxlIGFtb3VudCBvZiB0 aW1lICh+NTAKPiBzZWNvbmRzKS4KPiAKPiBBcyBmb3IgdGhlIHBhdGNoIHRoYXQgeW91IHNoYXJl ZCwgSSBhbSB0aGlua2luZyB0aGF0IHdlIHNob3VsZCBkcm9wCj4gaXQgYW5kIGluc3RlYWQgZ28g d2l0aCB0aGlzIG9yIHdoYXRldmVyIHdlIGFncmVlIG9uLiBUaGUgcGF0Y2ggbG9zZXMKPiBzdHVm ZiBsaWtlIElCMidzIHdoaWNoIG1pZ2h0IGJlIGltcG9ydGFudCB3aGlsZSBkZWJ1Z2dpbmcgaGFu Zwo+IGlzc3Vlcy4KCllvdSB3b24ndCBsb3NlIElCMnMgaWYgeW91IG1hcmsgdGhlbSBhcyBNU01f U1VCTUlUX0NNRF9JQl9UQVJHRVRfQlVGIGFuZCBSb2IgaXMKd29ya2luZyBvbiBzb21lIG5ldyBj aGFuZ2VzIGZvciB1c2Vyc3BhY2UgdG8gaWRlbnRpZnkgYnVmZmVycyBhcyAiZHVtcGFibGUiCndo aWNoIHdpbGwgY29pbmNpZGUgd2l0aCB0aGUgcGF0Y2ggSSBwb3N0ZWQuCgpUaGF0cyBub3QgdG8g c2F5IHRoYXQgeW91ciBwYXRjaCBpc24ndCBhcHByb3ByaWF0ZSAtIHRoZXJlIGlzIGdvb2Qgc3R1 ZmYgaGVyZQpidXQgZXZlbiB3aXRoIGl0IGluIHBsYWNlIHdlIHByb2JhYmx5IHNob3VsZG4ndCBi ZSBnZW5lcmF0aW5nIDYwTUIgZHVtcHMgdW5sZXNzCndlJ3JlIGdvaW5nIGZvciBzb21lIHNvcnQg b2YgcmVwbGF5IHNjZW5hcmlvICh3aGljaCB3ZSBjb3VsZCBlbmFibGVkIHdpdGggYW4KYXBwcm9w cmlhdGUgZGVidWdmcyBmbGFnKS4KCkpvcmRhbgoKLS0gClRoZSBRdWFsY29tbSBJbm5vdmF0aW9u IENlbnRlciwgSW5jLiBpcyBhIG1lbWJlciBvZiBDb2RlIEF1cm9yYSBGb3J1bSwKYSBMaW51eCBG b3VuZGF0aW9uIENvbGxhYm9yYXRpdmUgUHJvamVjdApfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpGcmVlZHJlbm8gbWFpbGluZyBsaXN0CkZyZWVkcmVub0Bs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9mcmVlZHJlbm8K