From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark yao Subject: Re: [PATCH] drm/rockchip: vop: do axi reset in vop initial time Date: Wed, 1 Jun 2016 17:49:32 +0800 Message-ID: <574EAFAC.6010201@rock-chips.com> References: <1464772752-9808-1-git-send-email-ykk@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1464772752-9808-1-git-send-email-ykk@rock-chips.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Yakir Yang , Mark Yao , Heiko Stuebner , tfiga@chromium.org Cc: daniel.vetter@ffwll.ch, dianders@chromium.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Thierry Reding List-Id: linux-rockchip.vger.kernel.org T24gMjAxNuW5tDA25pyIMDHml6UgMTc6MTksIFlha2lyIFlhbmcgd3JvdGU6Cj4gVGhlcmUgaXMg YSBidWcgaW4gUkszMzk5IFZPUCwgd2hlbiBib290bG9hZGVyL2tlcm5lbCBvbmx5IGVuYWJsZQo+ IFZPUCBCaWcgb3IgVk9QIExpdHRsZSB0byBkaXNwbGF5LCB0aGVuIFZPUCBJT01NVSB3b3VsZCBm YWlsZWQgdG8KPiByZXNldCBhdCB0aGUgaW5pdGlhbCB0aW1lIGFuZCBWT1AgcmVnaXN0ZXIgY291 bGRuJ3Qgd3JpdGUgcmlnaHRseS4KPgo+IEFmdGVyIGRvIHRoZSBwdXJlIHJlc2V0IG9mIFZPUCBt b2R1bGUsIHRoZW4gdGhpbmdzIGJhY2sgdG8gcmlnaHQuCj4KPiBTaWduZWQtb2ZmLWJ5OiBZYWtp ciBZYW5nIDx5a2tAcm9jay1jaGlwcy5jb20+CkhpIFlha2lyCgpJIHRoaW5rIHlvdSBnZXQgdm9w IGlvbW11IHJlc2V0IGZhaWxlZCBzaG91bGQgYmUgSU9NTVUgUGFnZSBmYXVsdCwgdGhlIAp2b3Ag aW9tbXUgYWNjZXNzIGEgdW1tYXAgYWRkcmVzcy4KCllvdSBzaG91bGQgZW5zdXJlIGFsbCB2b3Ag d2luZG93cyBhY2Nlc3MgcmlnaHQgaW9tbXUgbWFwcGluZyBhZGRyZXNzIApiZWZvcmUgYXR0YWNo IGlvbW11LgoKQWN0dWFsbHksIEknbSB3b3JraW5nIG5vIGZsYXNoIGRpc3BsYXkgZnJvbSBib290 bG9hZGVyIHRvIGtlcm5lbCwgYW5kIApwcmVwYXJlIHJlbW92ZSBhbGwgdGhlIHJlc2V0IG9uIHZv cCBpbml0aWFsLCBiZWNhdXNlIGl0IHdvdWxkIGZsYXNoIHRoZSAKZGlzcGxheS4KClRoYW5rcy4K Cj4gLS0tCj4gICBkcml2ZXJzL2dwdS9kcm0vcm9ja2NoaXAvcm9ja2NoaXBfZHJtX3ZvcC5jIHwg MTUgKysrKysrKysrKysrKystCj4gICAxIGZpbGUgY2hhbmdlZCwgMTQgaW5zZXJ0aW9ucygrKSwg MSBkZWxldGlvbigtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9yb2NrY2hpcC9y b2NrY2hpcF9kcm1fdm9wLmMgYi9kcml2ZXJzL2dwdS9kcm0vcm9ja2NoaXAvcm9ja2NoaXBfZHJt X3ZvcC5jCj4gaW5kZXggMWM0ZDViNS4uNDE1MDMyMyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dw dS9kcm0vcm9ja2NoaXAvcm9ja2NoaXBfZHJtX3ZvcC5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJt L3JvY2tjaGlwL3JvY2tjaGlwX2RybV92b3AuYwo+IEBAIC0xMjkyLDcgKzEyOTIsNyBAQCBzdGF0 aWMgaW50IHZvcF9pbml0aWFsKHN0cnVjdCB2b3AgKnZvcCkKPiAgIHsKPiAgIAljb25zdCBzdHJ1 Y3Qgdm9wX2RhdGEgKnZvcF9kYXRhID0gdm9wLT5kYXRhOwo+ICAgCWNvbnN0IHN0cnVjdCB2b3Bf cmVnX2RhdGEgKmluaXRfdGFibGUgPSB2b3BfZGF0YS0+aW5pdF90YWJsZTsKPiAtCXN0cnVjdCBy ZXNldF9jb250cm9sICphaGJfcnN0Owo+ICsJc3RydWN0IHJlc2V0X2NvbnRyb2wgKmFoYl9yc3Qs ICpheGlfcnN0Owo+ICAgCWludCBpLCByZXQ7Cj4gICAKPiAgIAl2b3AtPmhjbGsgPSBkZXZtX2Ns a19nZXQodm9wLT5kZXYsICJoY2xrX3ZvcCIpOwo+IEBAIC0xMzMxLDYgKzEzMzEsMTkgQEAgc3Rh dGljIGludCB2b3BfaW5pdGlhbChzdHJ1Y3Qgdm9wICp2b3ApCj4gICAJfQo+ICAgCj4gICAJLyoK PiArCSAqIGRvIGFjbGtfcmVzZXQsIHJlc2V0IGFsbCB2b3AgcmVnaXN0ZXJzLgo+ICsJICovCj4g KwlheGlfcnN0ID0gZGV2bV9yZXNldF9jb250cm9sX2dldCh2b3AtPmRldiwgImF4aSIpOwo+ICsJ aWYgKElTX0VSUihheGlfcnN0KSkgewo+ICsJCWRldl9lcnIodm9wLT5kZXYsICJmYWlsZWQgdG8g Z2V0IGF4aSByZXNldFxuIik7Cj4gKwkJcmV0ID0gUFRSX0VSUihheGlfcnN0KTsKPiArCQlnb3Rv IGVycl9kaXNhYmxlX2FjbGs7Cj4gKwl9Cj4gKwlyZXNldF9jb250cm9sX2Fzc2VydChheGlfcnN0 KTsKPiArCXVzbGVlcF9yYW5nZSgxMCwgMjApOwo+ICsJcmVzZXRfY29udHJvbF9kZWFzc2VydChh eGlfcnN0KTsKPiArCj4gKwkvKgo+ICAgCSAqIGRvIGhjbGtfcmVzZXQsIHJlc2V0IGFsbCB2b3Ag cmVnaXN0ZXJzLgo+ICAgCSAqLwo+ICAgCWFoYl9yc3QgPSBkZXZtX3Jlc2V0X2NvbnRyb2xfZ2V0 KHZvcC0+ZGV2LCAiYWhiIik7CgoKLS0gCu+8rWFyayBZYW8KCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1k ZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK