From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [v4] drm/i915/skl: If needed sanitize bios programmed cdclk Date: Tue, 20 Oct 2015 15:52:10 +0300 Message-ID: <20151020125210.GK26517@intel.com> References: <1445001533-28070-1-git-send-email-shobhit.kumar@intel.com> <1445344992-14658-1-git-send-email-shobhit.kumar@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id 828A76E7AF for ; Tue, 20 Oct 2015 05:52:13 -0700 (PDT) Content-Disposition: inline In-Reply-To: <1445344992-14658-1-git-send-email-shobhit.kumar@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Shobhit Kumar Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBPY3QgMjAsIDIwMTUgYXQgMDY6MTM6MTJQTSArMDUzMCwgU2hvYmhpdCBLdW1hciB3 cm90ZToKPiBFc3BlY2lhbGx5IGluIGNhc2VzIHdoZXJlIHByZS1vcyBkb2VzIG5vdCBlbmFibGUg ZGlzcGxheSwgY2RjbGsgbWlnaHQKPiBub3QgYmUgaW4gc2FuZSBzdGF0ZS4gRHVyaW5nIHNhbml0 aXphdGlvbiBpbml0aWFsaXplIGNkY2xrIHdpdGggbWF4aW11bQo+IHZhbHVlIHRpbGwgd2UgZ2V0 IGR5bmFtaWMgY2RjbGsgc3VwcG9ydC4KPiAKPiB2MjogQ2hlY2sgaWYgQklPUyBwcm9ncmFtbWVk IGNvcnJlY3RseSByYXRoZXIgdGhhbiBhbHdheXMgY2FsbGluZyBpbml0Cj4gICAgIC0gRG8gdmFs aWRhdGlvbiBvZiBwcm9ncmFtbWVkIGNkY3RsIGFuZCB3aGF0IGl0IGlzIGV4cGVjdGVkCj4gICAg IC0gT25seSBkbyBzbGtfaW5pdF9jZGNsayBpZiB2YWxpZGF0aW9uIGZhaWxlZCBlbHNlIHJldXNl IEJJT1MKPiAgICAgICBwcm9ncmFtbWVkIHZhbHVlCj4gCj4gdjM6IE1vdmUgdGhlIHZhbGlkYXRp b24gbG9naWMgaW4gYSBzZXBhcmF0ZSBzYW5pdGl6ZSBmdW5jdGlvbiAoVmlsbGUpCj4gCj4gdjQ6 IE5vIG5lZWQgdG8gY2hlY2sgTENQTEwgYWZ0ZXIgc2FuaXRpemUgYW5kIHVzZSBtYXhfY2RjbGtf ZnJlcSBpbnN0ZWFkCj4gICAgIG9mIGhhcmRjb2RlZCB2YWx1ZSAoVmlsbGUpCj4gCj4gQ2M6IElt cmUgRGVhayA8aW1yZS5kZWFrQGludGVsLmNvbT4KPiBDYzogVmlsbGUgU3lyasOkbMOkIDx2aWxs ZS5zeXJqYWxhQGxpbnV4LmludGVsLmNvbT4KPiBTaWduZWQtb2ZmLWJ5OiBTaG9iaGl0IEt1bWFy IDxzaG9iaGl0Lmt1bWFyQGludGVsLmNvbT4KClJldmlld2VkLWJ5OiBWaWxsZSBTeXJqw6Rsw6Qg PHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgoKPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJt L2k5MTUvaW50ZWxfZGRpLmMgICAgIHwgIDQgKystLQo+ICBkcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9kaXNwbGF5LmMgfCAzMSArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrCj4gIGRy aXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rydi5oICAgICB8ICAxICsKPiAgMyBmaWxlcyBjaGFu Z2VkLCAzNCBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kZGkuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX2RkaS5jCj4gaW5kZXggYjI1ZTk5YS4uODI0Yjg2MyAxMDA2NDQKPiAtLS0gYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9kZGkuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2lu dGVsX2RkaS5jCj4gQEAgLTI5NDksOCArMjk0OSw4IEBAIHZvaWQgaW50ZWxfZGRpX3BsbF9pbml0 KHN0cnVjdCBkcm1fZGV2aWNlICpkZXYpCj4gIAo+ICAJCWNkY2xrX2ZyZXEgPSBkZXZfcHJpdi0+ ZGlzcGxheS5nZXRfZGlzcGxheV9jbG9ja19zcGVlZChkZXYpOwo+ICAJCWRldl9wcml2LT5za2xf Ym9vdF9jZGNsayA9IGNkY2xrX2ZyZXE7Cj4gLQkJaWYgKCEoSTkxNV9SRUFEKExDUExMMV9DVEwp ICYgTENQTExfUExMX0VOQUJMRSkpCj4gLQkJCURSTV9FUlJPUigiTENQTEwxIGlzIGRpc2FibGVk XG4iKTsKPiArCQlpZiAoc2tsX3Nhbml0aXplX2NkY2xrKGRldl9wcml2KSkKPiArCQkJRFJNX0RF QlVHX0tNUygiU2FuaXRpemVkIGNkY2xrIHByb2dyYW1tZWQgYnkgcHJlLW9zXG4iKTsKPiAgCQll bHNlCj4gIAkJCWludGVsX2Rpc3BsYXlfcG93ZXJfZ2V0KGRldl9wcml2LCBQT1dFUl9ET01BSU5f UExMUyk7Cj4gIAl9IGVsc2UgaWYgKElTX0JST1hUT04oZGV2KSkgewo+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kaXNwbGF5LmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pbnRlbF9kaXNwbGF5LmMKPiBpbmRleCA1ZjM3Zjg0Li40OTMzYjcyIDEwMDY0NAo+IC0tLSBh L2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYwo+ICsrKyBiL2RyaXZlcnMvZ3B1 L2RybS9pOTE1L2ludGVsX2Rpc3BsYXkuYwo+IEBAIC01Nzg0LDYgKzU3ODQsMzcgQEAgdm9pZCBz a2xfaW5pdF9jZGNsayhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCj4gIAkJRFJN X0VSUk9SKCJEQnVmIHBvd2VyIGVuYWJsZSB0aW1lb3V0XG4iKTsKPiAgfQo+ICAKPiAraW50IHNr bF9zYW5pdGl6ZV9jZGNsayhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCj4gK3sK PiArCXVpbnQzMl90IGxjcGxsMSA9IEk5MTVfUkVBRChMQ1BMTDFfQ1RMKTsKPiArCXVpbnQzMl90 IGNkY3RsID0gSTkxNV9SRUFEKENEQ0xLX0NUTCk7Cj4gKwlpbnQgZnJlcSA9IGRldl9wcml2LT5z a2xfYm9vdF9jZGNsazsKPiArCj4gKwkvKiBJcyBQTEwgZW5hYmxlZCBhbmQgbG9ja2VkID8gKi8K PiArCWlmICghKChsY3BsbDEgJiBMQ1BMTF9QTExfRU5BQkxFKSAmJiAobGNwbGwxICYgTENQTExf UExMX0xPQ0spKSkKPiArCQlnb3RvIHNhbml0aXplOwo+ICsKPiArCS8qIERQTEwgb2theTsgdmVy aWZ5IHRoZSBjZGNsb2NrCj4gKwkgKgo+ICsJICogTm90aWNlZCBpbiBzb21lIGluc3RhbmNlcyB0 aGF0IHRoZSBmcmVxIHNlbGVjdGlvbiBpcyBjb3JyZWN0IGJ1dAo+ICsJICogZGVjaW1hbCBwYXJ0 IGlzIHByb2dyYW1tZWQgd3JvbmcgZnJvbSBCSU9TIHdoZXJlIHByZS1vcyBkb2VzIG5vdAo+ICsJ ICogZW5hYmxlIGRpc3BsYXkuIFZlcmlmeSB0aGUgc2FtZSBhcyB3ZWxsLgo+ICsJICovCj4gKwlp ZiAoY2RjdGwgPT0gKChjZGN0bCAmIENEQ0xLX0ZSRVFfU0VMX01BU0spIHwgc2tsX2NkY2xrX2Rl Y2ltYWwoZnJlcSkpKQo+ICsJCS8qIEFsbCB3ZWxsOyBub3RoaW5nIHRvIHNhbml0aXplICovCj4g KwkJcmV0dXJuIGZhbHNlOwo+ICtzYW5pdGl6ZToKPiArCS8qCj4gKwkgKiBBcyBvZiBub3cgaW5p dGlhbGl6ZSB3aXRoIG1heCBjZGNsayB0aWxsCj4gKwkgKiB3ZSBnZXQgZHluYW1pYyBjZGNsayBz dXBwb3J0Cj4gKwkgKiAqLwo+ICsJZGV2X3ByaXYtPnNrbF9ib290X2NkY2xrID0gZGV2X3ByaXYt Pm1heF9jZGNsa19mcmVxOwo+ICsJc2tsX2luaXRfY2RjbGsoZGV2X3ByaXYpOwo+ICsKPiArCS8q IHdlIGRpZCBoYXZlIHRvIHNhbml0aXplICovCj4gKwlyZXR1cm4gdHJ1ZTsKPiArfQo+ICsKPiAg LyogQWRqdXN0IENEY2xrIGRpdmlkZXJzIHRvIGFsbG93IGhpZ2ggcmVzIG9yIHNhdmUgcG93ZXIg aWYgcG9zc2libGUgKi8KPiAgc3RhdGljIHZvaWQgdmFsbGV5dmlld19zZXRfY2RjbGsoc3RydWN0 IGRybV9kZXZpY2UgKmRldiwgaW50IGNkY2xrKQo+ICB7Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2 LmgKPiBpbmRleCAwNTk4OTMyLi5lYzEwZTZhIDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZ3B1L2Ry bS9pOTE1L2ludGVsX2Rydi5oCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHJ2 LmgKPiBAQCAtMTE1Miw2ICsxMTUyLDcgQEAgdm9pZCBicm94dG9uX2RkaV9waHlfdW5pbml0KHN0 cnVjdCBkcm1fZGV2aWNlICpkZXYpOwo+ICB2b2lkIGJ4dF9lbmFibGVfZGM5KHN0cnVjdCBkcm1f aTkxNV9wcml2YXRlICpkZXZfcHJpdik7Cj4gIHZvaWQgYnh0X2Rpc2FibGVfZGM5KHN0cnVjdCBk cm1faTkxNV9wcml2YXRlICpkZXZfcHJpdik7Cj4gIHZvaWQgc2tsX2luaXRfY2RjbGsoc3RydWN0 IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KTsKPiAraW50IHNrbF9zYW5pdGl6ZV9jZGNsayhz dHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpOwo+ICB2b2lkIHNrbF91bmluaXRfY2Rj bGsoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KTsKPiAgdm9pZCBpbnRlbF9kcF9n ZXRfbV9uKHN0cnVjdCBpbnRlbF9jcnRjICpjcnRjLAo+ICAJCSAgICAgIHN0cnVjdCBpbnRlbF9j cnRjX3N0YXRlICpwaXBlX2NvbmZpZyk7Cj4gLS0gCj4gMi40LjMKCi0tIApWaWxsZSBTeXJqw6Rs w6QKSW50ZWwgT1RDCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9y ZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4 Cg==