From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Zhang, Jerry (Junwei)" Subject: Re: [PATCH] drm/amdgpu: check scratch registers to see if we need post (v2) Date: Fri, 7 Jul 2017 12:59:58 +0800 Message-ID: <595F154E.5000700@amd.com> References: <1499113203-21777-1-git-send-email-alexander.deucher@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1499113203-21777-1-git-send-email-alexander.deucher-5C7GfCeVMHo@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: Alex Deucher , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: Alex Deucher VGhhbmtzIGZvciB1cGRhdGUuClRoYXQncyBmaW5lIGZvciBtZS4KCkZlZWwgZnJlZSB0byBhZGQg bXkgUkIuClJldmlld2VkLWJ5OiBKdW53ZWkgWmhhbmcgPEplcnJ5LlpoYW5nQGFtZC5jb20+CgoK T24gMDcvMDQvMjAxNyAwNDoyMCBBTSwgQWxleCBEZXVjaGVyIHdyb3RlOgo+IFJhdGhlciB0aGFu IGNoZWNraW5nIHRoZSBDT05HSUdfTUVNU0laRSByZWdpc3RlciBhcyB0aGF0IG1heQo+IG5vdCBi ZSByZWxpYWJsZSBvbiBzb21lIEFQVXMuCj4KPiB2MjogVGhlIHNjcmF0Y2ggcmVnaXN0ZXIgaXMg b25seSB1c2VkIG9uIENJSysKPgo+IFJldmlld2VkLWJ5OiBDaHJpc3RpYW4gS8O2bmlnIDxjaHJp c3RpYW4ua29lbmlnQGFtZC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogQWxleCBEZXVjaGVyIDxhbGV4 YW5kZXIuZGV1Y2hlckBhbWQuY29tPgo+IC0tLQo+ICAgZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRn cHUvYW1kZ3B1X2RldmljZS5jIHwgNyArKysrKystCj4gICAxIGZpbGUgY2hhbmdlZCwgNiBpbnNl cnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJt L2FtZC9hbWRncHUvYW1kZ3B1X2RldmljZS5jIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUv YW1kZ3B1X2RldmljZS5jCj4gaW5kZXggNjNmNGJlZC4uODA0MmE4YSAxMDA2NDQKPiAtLS0gYS9k cml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZGV2aWNlLmMKPiArKysgYi9kcml2ZXJz L2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfZGV2aWNlLmMKPiBAQCAtNzIyLDcgKzcyMiwxMiBA QCBib29sIGFtZGdwdV9uZWVkX3Bvc3Qoc3RydWN0IGFtZGdwdV9kZXZpY2UgKmFkZXYpCj4gICAJ CWFkZXYtPmhhc19od19yZXNldCA9IGZhbHNlOwo+ICAgCQlyZXR1cm4gdHJ1ZTsKPiAgIAl9Cj4g LQkvKiB0aGVuIGNoZWNrIE1FTV9TSVpFLCBpbiBjYXNlIHRoZSBjcnRjcyBhcmUgb2ZmICovCj4g Kwo+ICsJLyogYmlvcyBzY3JhdGNoIHVzZWQgb24gQ0lLKyAqLwo+ICsJaWYgKGFkZXYtPmFzaWNf dHlwZSA+PSBDSElQX0JPTkFJUkUpCj4gKwkJcmV0dXJuIGFtZGdwdV9hdG9tYmlvc19zY3JhdGNo X25lZWRfYXNpY19pbml0KGFkZXYpOwo+ICsKPiArCS8qIGNoZWNrIE1FTV9TSVpFIGZvciBvbGRl ciBhc2ljcyAqLwo+ICAgCXJlZyA9IGFtZGdwdV9hc2ljX2dldF9jb25maWdfbWVtc2l6ZShhZGV2 KTsKPgo+ICAgCWlmICgocmVnICE9IDApICYmIChyZWcgIT0gMHhmZmZmZmZmZikpCj4KX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5n IGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVz a3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg==