From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: [PATCH 08/14] drm/i915: Disable FIFO underrun reporting around IBX transcoder B workaround Date: Fri, 30 Oct 2015 12:11:45 +0200 Message-ID: <87611or7ha.fsf@intel.com> References: <1446146763-31821-1-git-send-email-ville.syrjala@linux.intel.com> <1446146763-31821-9-git-send-email-ville.syrjala@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id E4B856E7E5 for ; Fri, 30 Oct 2015 03:07:53 -0700 (PDT) In-Reply-To: <1446146763-31821-9-git-send-email-ville.syrjala@linux.intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: ville.syrjala@linux.intel.com, intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVGh1LCAyOSBPY3QgMjAxNSwgdmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20gd3JvdGU6 Cj4gRnJvbTogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4K Pgo+IERvaW5nIHRoZSBJQlggdHJhbnNjb2RlciBCIHdvcmthcm91bmQgY2F1c2VzIHVuZGVycnVu cyBvbgo+IHBpcGUvdHJhbnNjb2RlciBBLiBKdXN0IGhpZGUgdGhlbSBieSBkaXNhYmxpbmcgdW5k ZXJydW4gcmVwb3J0aW5nIGZvcgo+IHBpcGUgQSBhcm91bmQgdGhlIHdvcmthcm91bmQuCj4KPiBJ dCBtaWdodCBiZSBwb3NzaWJsZSB0byBhdm9pZCB0aGUgdW5kZXJydW5zIGJ5IG1vdmluZyB0aGUg d29ya2Fyb3VuZAo+IHRvIGJlIGFwcGxpZWQgb25seSB3aGVuIGVuYWJsaW5nIHBpcGUgQS4gQnV0 IEkgd2FzIHRvbyBsYXp5IHRvIHRyeSBpdAo+IHJpZ2h0IG5vdywgYW5kIHRoZSBjdXJyZW50IG1l dGhvZCBoYXMgYmVlbiBwcm92ZW4gdG8gd29yaywgc28gZGlkbid0Cj4gd2FudCB0byBjaGFuZ2Ug aXQgdG9vIGhhc3RpbHkuCgpJcyBpdCBwb3NzaWJsZSB0aGlzIGVuYWJsZXMgdW5kZXJydW4gcmVw b3J0aW5nIG9uIHBpcGUgQSBldmVuIGlmIGl0Cndhc24ndCBlbmFibGVkIGJlZm9yZT8KCkJSLApK YW5pLgoKPgo+IFNpZ25lZC1vZmYtYnk6IFZpbGxlIFN5cmrDpGzDpCA8dmlsbGUuc3lyamFsYUBs aW51eC5pbnRlbC5jb20+Cj4gLS0tCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMg ICB8IDExICsrKysrKysrKysrCj4gIGRyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rydi5oICB8 ICA5ICsrKysrKysrKwo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9oZG1pLmMgfCAxMSAr KysrKysrKysrKwo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9zZHZvLmMgfCAxMSArKysr KysrKysrKwo+ICA0IGZpbGVzIGNoYW5nZWQsIDQyIGluc2VydGlvbnMoKykKPgo+IGRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZHAuYwo+IGluZGV4IDgyODdkZjQuLjRhMGZiNjMgMTAwNjQ0Cj4gLS0tIGEvZHJp dmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX2RwLmMKPiBAQCAtMzk1Nyw2ICszOTU3LDEzIEBAIGludGVsX2RwX2xpbmtfZG93bihz dHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+ICAJICogbWF0Y2hpbmcgSERNSSBwb3J0IHRvIGJl IGVuYWJsZWQgb24gdHJhbnNjb2RlciBBLgo+ICAJICovCj4gIAlpZiAoSEFTX1BDSF9JQlgoZGV2 KSAmJiBjcnRjLT5waXBlID09IFBJUEVfQiAmJiBwb3J0ICE9IFBPUlRfQSkgewo+ICsJCS8qCj4g KwkJICogV2UgZ2V0IENQVS9QQ0ggRklGTyB1bmRlcnJ1bnMgb24gdGhlIG90aGVyIHBpcGUgd2hl bgo+ICsJCSAqIGRvaW5nIHRoZSB3b3JrYXJvdW5kLiBTd2VlcCB0aGVtIHVuZGVyIHRoZSBydWcu Cj4gKwkJICovCj4gKwkJaW50ZWxfc2V0X2NwdV9maWZvX3VuZGVycnVuX3JlcG9ydGluZyhkZXZf cHJpdiwgUElQRV9BLCBmYWxzZSk7Cj4gKwkJaW50ZWxfc2V0X3BjaF9maWZvX3VuZGVycnVuX3Jl cG9ydGluZyhkZXZfcHJpdiwgUElQRV9BLCBmYWxzZSk7Cj4gKwo+ICAJCS8qIGFsd2F5cyBlbmFi bGUgd2l0aCBwYXR0ZXJuIDEgKGFzIHBlciBzcGVjKSAqLwo+ICAJCURQICY9IH4oRFBfUElQRUJf U0VMRUNUIHwgRFBfTElOS19UUkFJTl9NQVNLKTsKPiAgCQlEUCB8PSBEUF9QT1JUX0VOIHwgRFBf TElOS19UUkFJTl9QQVRfMTsKPiBAQCAtMzk2Niw2ICszOTczLDEwIEBAIGludGVsX2RwX2xpbmtf ZG93bihzdHJ1Y3QgaW50ZWxfZHAgKmludGVsX2RwKQo+ICAJCURQICY9IH5EUF9QT1JUX0VOOwo+ ICAJCUk5MTVfV1JJVEUoaW50ZWxfZHAtPm91dHB1dF9yZWcsIERQKTsKPiAgCQlQT1NUSU5HX1JF QUQoaW50ZWxfZHAtPm91dHB1dF9yZWcpOwo+ICsKPiArCQlpbnRlbF93YWl0X2Zvcl92Ymxhbmtf aWZfYWN0aXZlKGRldl9wcml2LT5kZXYsIFBJUEVfQSk7Cj4gKwkJaW50ZWxfc2V0X2NwdV9maWZv X3VuZGVycnVuX3JlcG9ydGluZyhkZXZfcHJpdiwgUElQRV9BLCB0cnVlKTsKPiArCQlpbnRlbF9z ZXRfcGNoX2ZpZm9fdW5kZXJydW5fcmVwb3J0aW5nKGRldl9wcml2LCBQSVBFX0EsIHRydWUpOwo+ ICAJfQo+ICAKPiAgCW1zbGVlcChpbnRlbF9kcC0+cGFuZWxfcG93ZXJfZG93bl9kZWxheSk7Cj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rydi5oIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmgKPiBpbmRleCA3MmNjMjcyLi4zNWYxNDU3IDEwMDY0NAo+ IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rydi5oCj4gKysrIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvaW50ZWxfZHJ2LmgKPiBAQCAtMTA3Myw2ICsxMDczLDE1IEBAIGludGVsX3dh aXRfZm9yX3ZibGFuayhzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LCBpbnQgcGlwZSkKPiAgewo+ICAJ ZHJtX3dhaXRfb25lX3ZibGFuayhkZXYsIHBpcGUpOwo+ICB9Cj4gK3N0YXRpYyBpbmxpbmUgdm9p ZAo+ICtpbnRlbF93YWl0X2Zvcl92YmxhbmtfaWZfYWN0aXZlKHN0cnVjdCBkcm1fZGV2aWNlICpk ZXYsIGludCBwaXBlKQo+ICt7Cj4gKwljb25zdCBzdHJ1Y3QgaW50ZWxfY3J0YyAqY3J0YyA9Cj4g KwkJdG9faW50ZWxfY3J0YyhpbnRlbF9nZXRfY3J0Y19mb3JfcGlwZShkZXYsIHBpcGUpKTsKPiAr Cj4gKwlpZiAoY3J0Yy0+YWN0aXZlKQo+ICsJCWludGVsX3dhaXRfZm9yX3ZibGFuayhkZXYsIHBp cGUpOwo+ICt9Cj4gIGludCBpcm9ubGFrZV9nZXRfbGFuZXNfcmVxdWlyZWQoaW50IHRhcmdldF9j bG9jaywgaW50IGxpbmtfYncsIGludCBicHApOwo+ICB2b2lkIHZsdl93YWl0X3BvcnRfcmVhZHko c3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LAo+ICAJCQkgc3RydWN0IGludGVsX2Rp Z2l0YWxfcG9ydCAqZHBvcnQsCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX2hkbWkuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2hkbWkuYwo+IGluZGV4IDAx M2JkN2QuLmJjY2JlNzAgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxf aGRtaS5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfaGRtaS5jCj4gQEAgLTEx MDgsNiArMTEwOCwxMyBAQCBzdGF0aWMgdm9pZCBpbnRlbF9kaXNhYmxlX2hkbWkoc3RydWN0IGlu dGVsX2VuY29kZXIgKmVuY29kZXIpCj4gIAkgKiBtYXRjaGluZyBEUCBwb3J0IHRvIGJlIGVuYWJs ZWQgb24gdHJhbnNjb2RlciBBLgo+ICAJICovCj4gIAlpZiAoSEFTX1BDSF9JQlgoZGV2KSAmJiBj cnRjLT5waXBlID09IFBJUEVfQikgewo+ICsJCS8qCj4gKwkJICogV2UgZ2V0IENQVS9QQ0ggRklG TyB1bmRlcnJ1bnMgb24gdGhlIG90aGVyIHBpcGUgd2hlbgo+ICsJCSAqIGRvaW5nIHRoZSB3b3Jr YXJvdW5kLiBTd2VlcCB0aGVtIHVuZGVyIHRoZSBydWcuCj4gKwkJICovCj4gKwkJaW50ZWxfc2V0 X2NwdV9maWZvX3VuZGVycnVuX3JlcG9ydGluZyhkZXZfcHJpdiwgUElQRV9BLCBmYWxzZSk7Cj4g KwkJaW50ZWxfc2V0X3BjaF9maWZvX3VuZGVycnVuX3JlcG9ydGluZyhkZXZfcHJpdiwgUElQRV9B LCBmYWxzZSk7Cj4gKwo+ICAJCXRlbXAgJj0gflNEVk9fUElQRV9CX1NFTEVDVDsKPiAgCQl0ZW1w IHw9IFNEVk9fRU5BQkxFOwo+ICAJCS8qCj4gQEAgLTExMjIsNiArMTEyOSwxMCBAQCBzdGF0aWMg dm9pZCBpbnRlbF9kaXNhYmxlX2hkbWkoc3RydWN0IGludGVsX2VuY29kZXIgKmVuY29kZXIpCj4g IAkJdGVtcCAmPSB+U0RWT19FTkFCTEU7Cj4gIAkJSTkxNV9XUklURShpbnRlbF9oZG1pLT5oZG1p X3JlZywgdGVtcCk7Cj4gIAkJUE9TVElOR19SRUFEKGludGVsX2hkbWktPmhkbWlfcmVnKTsKPiAr Cj4gKwkJaW50ZWxfd2FpdF9mb3JfdmJsYW5rX2lmX2FjdGl2ZShkZXZfcHJpdi0+ZGV2LCBQSVBF X0EpOwo+ICsJCWludGVsX3NldF9jcHVfZmlmb191bmRlcnJ1bl9yZXBvcnRpbmcoZGV2X3ByaXYs IFBJUEVfQSwgdHJ1ZSk7Cj4gKwkJaW50ZWxfc2V0X3BjaF9maWZvX3VuZGVycnVuX3JlcG9ydGlu ZyhkZXZfcHJpdiwgUElQRV9BLCB0cnVlKTsKPiAgCX0KPiAgCj4gIAlpbnRlbF9oZG1pLT5zZXRf aW5mb2ZyYW1lcygmZW5jb2Rlci0+YmFzZSwgZmFsc2UsIE5VTEwpOwo+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9zZHZvLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9zZHZvLmMKPiBpbmRleCBjNDJiNjM2Li4yNjdlNmNiIDEwMDY0NAo+IC0tLSBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2ludGVsX3Nkdm8uYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX3Nkdm8uYwo+IEBAIC0xNDY0LDEyICsxNDY0LDIzIEBAIHN0YXRpYyB2b2lkIGludGVs X2Rpc2FibGVfc2R2byhzdHJ1Y3QgaW50ZWxfZW5jb2RlciAqZW5jb2RlcikKPiAgCSAqIG1hdGNo aW5nIERQIHBvcnQgdG8gYmUgZW5hYmxlZCBvbiB0cmFuc2NvZGVyIEEuCj4gIAkgKi8KPiAgCWlm IChIQVNfUENIX0lCWChkZXZfcHJpdikgJiYgY3J0Yy0+cGlwZSA9PSBQSVBFX0IpIHsKPiArCQkv Kgo+ICsJCSAqIFdlIGdldCBDUFUvUENIIEZJRk8gdW5kZXJydW5zIG9uIHRoZSBvdGhlciBwaXBl IHdoZW4KPiArCQkgKiBkb2luZyB0aGUgd29ya2Fyb3VuZC4gU3dlZXAgdGhlbSB1bmRlciB0aGUg cnVnLgo+ICsJCSAqLwo+ICsJCWludGVsX3NldF9jcHVfZmlmb191bmRlcnJ1bl9yZXBvcnRpbmco ZGV2X3ByaXYsIFBJUEVfQSwgZmFsc2UpOwo+ICsJCWludGVsX3NldF9wY2hfZmlmb191bmRlcnJ1 bl9yZXBvcnRpbmcoZGV2X3ByaXYsIFBJUEVfQSwgZmFsc2UpOwo+ICsKPiAgCQl0ZW1wICY9IH5T RFZPX1BJUEVfQl9TRUxFQ1Q7Cj4gIAkJdGVtcCB8PSBTRFZPX0VOQUJMRTsKPiAgCQlpbnRlbF9z ZHZvX3dyaXRlX3Nkdm94KGludGVsX3Nkdm8sIHRlbXApOwo+ICAKPiAgCQl0ZW1wICY9IH5TRFZP X0VOQUJMRTsKPiAgCQlpbnRlbF9zZHZvX3dyaXRlX3Nkdm94KGludGVsX3Nkdm8sIHRlbXApOwo+ ICsKPiArCQlpbnRlbF93YWl0X2Zvcl92YmxhbmtfaWZfYWN0aXZlKGRldl9wcml2LT5kZXYsIFBJ UEVfQSk7Cj4gKwkJaW50ZWxfc2V0X2NwdV9maWZvX3VuZGVycnVuX3JlcG9ydGluZyhkZXZfcHJp diwgUElQRV9BLCB0cnVlKTsKPiArCQlpbnRlbF9zZXRfcGNoX2ZpZm9fdW5kZXJydW5fcmVwb3J0 aW5nKGRldl9wcml2LCBQSVBFX0EsIHRydWUpOwo+ICAJfQo+ICB9CgotLSAKSmFuaSBOaWt1bGEs IEludGVsIE9wZW4gU291cmNlIFRlY2hub2xvZ3kgQ2VudGVyCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4Cg==