From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Lothian Subject: Re: [PATCH] drm/amdgpu: fix "mitigate workaround for i915" Date: Wed, 21 Mar 2018 14:48:47 +0000 Message-ID: References: <20180321130818.10130-1-christian.koenig@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180321130818.10130-1-christian.koenig-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: =?UTF-8?Q?Christian_K=C3=B6nig?= Cc: amd-gfx list T24gMjEgTWFyY2ggMjAxOCBhdCAxMzowOCwgQ2hyaXN0aWFuIEvDtm5pZwo8Y2tvZW5pZy5sZWlj aHR6dW1lcmtlbkBnbWFpbC5jb20+IHdyb3RlOgo+IE1peGVkIHVwIGV4cG9ydGVyIGFuZCBpbXBv cnRlciBoZXJlLiBFLmcuIHdoaWxlIG1hcHBpbmcgdGhlIEJPIHdlIG5lZWQKPiB0byBjaGVjayB0 aGUgaW1wb3J0ZXIgbm90IHRoZSBleHBvcnRlci4KPgo+IFNpZ25lZC1vZmYtYnk6IENocmlzdGlh biBLw7ZuaWcgPGNocmlzdGlhbi5rb2VuaWdAYW1kLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUv ZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3ByaW1lLmMgfCA4ICsrKysrLS0tCj4gIDEgZmlsZSBjaGFu Z2VkLCA1IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEvZHJp dmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3ByaW1lLmMgYi9kcml2ZXJzL2dwdS9kcm0v YW1kL2FtZGdwdS9hbWRncHVfcHJpbWUuYwo+IGluZGV4IDFjOTk5MTczODQ3Ny4uNGI1ODRjYjc1 YmY0IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV9wcmlt ZS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3ByaW1lLmMKPiBA QCAtMTMyLDYgKzEzMiw3IEBAIHN0YXRpYyBpbnQgYW1kZ3B1X2dlbV9tYXBfYXR0YWNoKHN0cnVj dCBkbWFfYnVmICpkbWFfYnVmLAo+ICB7Cj4gICAgICAgICBzdHJ1Y3QgZHJtX2dlbV9vYmplY3Qg Km9iaiA9IGRtYV9idWYtPnByaXY7Cj4gICAgICAgICBzdHJ1Y3QgYW1kZ3B1X2JvICpibyA9IGdl bV90b19hbWRncHVfYm8ob2JqKTsKPiArICAgICAgIHN0cnVjdCBhbWRncHVfZGV2aWNlICphZGV2 ID0gYW1kZ3B1X3R0bV9hZGV2KGJvLT50Ym8uYmRldik7Cj4gICAgICAgICBsb25nIHI7Cj4KPiAg ICAgICAgIHIgPSBkcm1fZ2VtX21hcF9hdHRhY2goZG1hX2J1ZiwgdGFyZ2V0X2RldiwgYXR0YWNo KTsKPiBAQCAtMTQzLDcgKzE0NCw3IEBAIHN0YXRpYyBpbnQgYW1kZ3B1X2dlbV9tYXBfYXR0YWNo KHN0cnVjdCBkbWFfYnVmICpkbWFfYnVmLAo+ICAgICAgICAgICAgICAgICBnb3RvIGVycm9yX2Rl dGFjaDsKPgo+Cj4gLSAgICAgICBpZiAoZG1hX2J1Zi0+b3BzICE9ICZhbWRncHVfZG1hYnVmX29w cykgewo+ICsgICAgICAgaWYgKGF0dGFjaC0+ZGV2LT5kcml2ZXIgIT0gYWRldi0+ZGV2LT5kcml2 ZXIpIHsKPiAgICAgICAgICAgICAgICAgLyoKPiAgICAgICAgICAgICAgICAgICogV2FpdCBmb3Ig YWxsIHNoYXJlZCBmZW5jZXMgdG8gY29tcGxldGUgYmVmb3JlIHdlIHN3aXRjaCB0byBmdXR1cmUK PiAgICAgICAgICAgICAgICAgICogdXNlIG9mIGV4Y2x1c2l2ZSBmZW5jZSBvbiB0aGlzIHByaW1l IHNoYXJlZCBiby4KPiBAQCAtMTYyLDcgKzE2Myw3IEBAIHN0YXRpYyBpbnQgYW1kZ3B1X2dlbV9t YXBfYXR0YWNoKHN0cnVjdCBkbWFfYnVmICpkbWFfYnVmLAo+ICAgICAgICAgaWYgKHIpCj4gICAg ICAgICAgICAgICAgIGdvdG8gZXJyb3JfdW5yZXNlcnZlOwo+Cj4gLSAgICAgICBpZiAoZG1hX2J1 Zi0+b3BzICE9ICZhbWRncHVfZG1hYnVmX29wcykKPiArICAgICAgIGlmIChhdHRhY2gtPmRldi0+ ZHJpdmVyICE9IGFkZXYtPmRldi0+ZHJpdmVyKQo+ICAgICAgICAgICAgICAgICBiby0+cHJpbWVf c2hhcmVkX2NvdW50Kys7Cj4KPiAgZXJyb3JfdW5yZXNlcnZlOgo+IEBAIC0xNzksNiArMTgwLDcg QEAgc3RhdGljIHZvaWQgYW1kZ3B1X2dlbV9tYXBfZGV0YWNoKHN0cnVjdCBkbWFfYnVmICpkbWFf YnVmLAo+ICB7Cj4gICAgICAgICBzdHJ1Y3QgZHJtX2dlbV9vYmplY3QgKm9iaiA9IGRtYV9idWYt PnByaXY7Cj4gICAgICAgICBzdHJ1Y3QgYW1kZ3B1X2JvICpibyA9IGdlbV90b19hbWRncHVfYm8o b2JqKTsKPiArICAgICAgIHN0cnVjdCBhbWRncHVfZGV2aWNlICphZGV2ID0gYW1kZ3B1X3R0bV9h ZGV2KGJvLT50Ym8uYmRldik7Cj4gICAgICAgICBpbnQgcmV0ID0gMDsKPgo+ICAgICAgICAgcmV0 ID0gYW1kZ3B1X2JvX3Jlc2VydmUoYm8sIHRydWUpOwo+IEBAIC0xODYsNyArMTg4LDcgQEAgc3Rh dGljIHZvaWQgYW1kZ3B1X2dlbV9tYXBfZGV0YWNoKHN0cnVjdCBkbWFfYnVmICpkbWFfYnVmLAo+ ICAgICAgICAgICAgICAgICBnb3RvIGVycm9yOwo+Cj4gICAgICAgICBhbWRncHVfYm9fdW5waW4o Ym8pOwo+IC0gICAgICAgaWYgKGRtYV9idWYtPm9wcyAhPSAmYW1kZ3B1X2RtYWJ1Zl9vcHMgJiYg Ym8tPnByaW1lX3NoYXJlZF9jb3VudCkKPiArICAgICAgIGlmIChhdHRhY2gtPmRldi0+ZHJpdmVy ICE9IGFkZXYtPmRldi0+ZHJpdmVyICYmIGJvLT5wcmltZV9zaGFyZWRfY291bnQpCj4gICAgICAg ICAgICAgICAgIGJvLT5wcmltZV9zaGFyZWRfY291bnQtLTsKPiAgICAgICAgIGFtZGdwdV9ib191 bnJlc2VydmUoYm8pOwo+Cj4gLS0KPiAyLjE0LjEKPgo+IF9fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fCj4gYW1kLWdmeCBtYWlsaW5nIGxpc3QKPiBhbWQtZ2Z4 QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwo+IGh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vYW1kLWdmeAoKQXMgcGVyIHRoZSBidWcgcmVwb3J0CgpUZXN0ZWQtYnk6 IE1pa2UgTG90aGlhbiA8bWlrZUBmaXJlYnVybi5jby51az4KX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QKYW1kLWdmeEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9hbWQtZ2Z4Cg==