From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: [PATCH 2/2] drm/i915/dp: workaround BIOS eDP bpp clamping issue Date: Wed, 16 Oct 2013 17:06:18 +0300 Message-ID: <1381932378-14890-2-git-send-email-jani.nikula@intel.com> References: <1381932378-14890-1-git-send-email-jani.nikula@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 [143.182.124.37]) by gabe.freedesktop.org (Postfix) with ESMTP id 85D37E7FA1 for ; Wed, 16 Oct 2013 07:04:53 -0700 (PDT) In-Reply-To: <1381932378-14890-1-git-send-email-jani.nikula@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org Cc: jani.nikula@intel.com List-Id: intel-gfx@lists.freedesktop.org VGhpcyBpc24ndCBhIHJlYWwgZml4IHRvIHRoZSBwcm9ibGVtLCBidXQgcmF0aGVyIGEgc3RvcGdh cCBtZWFzdXJlIHdoaWxlCnRyeWluZyB0byBmaW5kIGEgcHJvcGVyIHNvbHV0aW9uLgoKVGhlcmUg YXJlIHNldmVyYWwgbGFwdG9wcyBvdXQgdGhlcmUgdGhhdCBmYWlsIHRvIGxpZ2h0IHVwIHRoZSBl RFAgcGFuZWwKaW4gVUVGSSBib290IG1vZGUuIFRoZXkgc2VlbSB0byBiZSBtb3N0bHkgSVZCIG1h Y2hpbmVzLCBpbmNsdWRpbmcgYnV0CmFwcGFyZW50bHkgbm90IGxpbWl0ZWQgdG8gRGVsbCBYUFMg MTMsIEFzdXMgVFgzMDAsIEFzdXMgVVgzMUEsIEFzdXMKVVgzMlZELCBBY2VyIEFzcGlyZSBTNy4g VGhleSBzZWVtIHRvIHdvcmsgaW4gQ1NNIG9yIGxlZ2FjeSBib290LgoKVGhlIGRpZmZlcmVuY2Ug YmV0d2VlbiBVRUZJIGFuZCBDU00gaXMgdGhhdCB0aGUgQklPUyBwcm92aWRlcyBhCmRpZmZlcmVu dCBWQlQgdG8gdGhlIGtlcm5lbC4gVGhlIFVFRkkgVkJUIHR5cGljYWxseSBzcGVjaWZpZXMgMTgg YnBwIGFuZAoxLjYyIEdIeiBsaW5rIGZvciBlRFAsIHdoaWxlIENTTSBWQlQgaGFzIDI0IGJwcCBh bmQgMi43IEdIeiBsaW5rLiBXZSBlbmQKdXAgY2xhbXBpbmcgdG8gMTggYnBwIGluIFVFRkkgbW9k ZSwgd2hpY2ggd2UgY2FuIGZpdCBpbiB0aGUgMS42MiBHaHoKbGluaywgYW5kIGZvciByZWFzb25z IHlldCB1bmtub3duIGZhaWwgdG8gbGlnaHQgdXAgdGhlIHBhbmVsLgoKRGl0aGVyaW5nIGZyb20g MjQgdG8gMTggYnBwIGl0c2VsZiBzZWVtcyB0byB3b3JrOyBpZiB3ZSB1c2UgMTggYnBwIHdpdGgK Mi43IEdIeiBsaW5rLCB0aGUgZURQIHBhbmVsIGxpZ2h0cyB1cC4gU28gZXNzZW50aWFsbHkgdGhp cyBpcyBhIGxpbmsKc3BlZWQgaXNzdWUsIGFuZCAqbm90KiBhIGJwcCBjbGFtcGluZyBpc3N1ZS4K ClRoZSBidWcgcmFpc2VkIGl0cyBoZWFkIHNpbmNlCmNvbW1pdCA2NTc0NDVmZTg2NjAxMDBhZDE3 NDYwMGViZmE2MTUzNjM5MmI3NjI0CkF1dGhvcjogRGFuaWVsIFZldHRlciA8ZGFuaWVsLnZldHRl ckBmZndsbC5jaD4KRGF0ZTogICBTYXQgTWF5IDQgMTA6MDk6MTggMjAxMyArMDIwMAoKICAgIFJl dmVydCAiZHJtL2k5MTU6IHJldmVydCBlRFAgYnBwIGNsYW1waW5nIGNvZGUgY2hhbmdlcyIKCndo aWNoIHN0YXJ0ZWQgY2xhbXBpbmcgYnBwICpiZWZvcmUqIGNvbXB1dGluZyB0aGUgbGluayByZXF1 aXJlbWVudHMsIGFuZAp0aHVzIGFmZmVjdGluZyB0aGUgcmVxdWlyZWQgYmFuZHdpZHRoLiBDbGFt cGluZyBhZnRlciB0aGUgY29tcHV0YXRpb25zCmtlcHQgdGhlIGxpbmsgYXQgMi43IEdIei4KCkV2 ZW4gdGhvdWdoIHRoZSBCSU9TIHRlbGxzIHVzIHRvIHVzZSAxOCBicHAgdGhyb3VnaCB0aGUgVkJU LCBpdCBoYXBwaWx5CmJvb3RzIHVwIGF0IDI0IGJwcCBhbmQgMi43IEdIeiBpdHNlbGYhIFVzZSB0 aGlzIGluZm9ybWF0aW9uIHRvCnNlbGVjdGl2ZWx5IGlnbm9yZSB0aGUgVkJUIHByb3ZpZGVkIHZh bHVlLgoKV2UgY2FuJ3QgaWdub3JlIHRoZSBWQlQgZURQIGJwcCBhbHRvZ2V0aGVyLCBhcyB0aGVy ZSBhcmUgb3RoZXIgbGFwdG9wcwp0aGF0IGRvIHJlcXVpcmUgdGhlIGNsYW1waW5nIHRvIGJlIHVz ZWQgZHVlIHRvIEVESUQgcmVwb3J0aW5nIGhpZ2hlciBicHAKdGhhbiB0aGUgcGFuZWwgY2FuIHN1 cHBvcnQuCgpCdWd6aWxsYTogaHR0cHM6Ly9idWd6aWxsYS5rZXJuZWwub3JnL3Nob3dfYnVnLmNn aT9pZD01OTg0MQpCdWd6aWxsYTogaHR0cHM6Ly9idWdzLmZyZWVkZXNrdG9wLm9yZy9zaG93X2J1 Zy5jZ2k/aWQ9Njc5NTAKQ0M6IHN0YWJsZUB2Z2VyLmtlcm5lbC5vcmcKU2lnbmVkLW9mZi1ieTog SmFuaSBOaWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4KCi0tLQoKRm9yIGJhY2twb3J0aW5n IHRvIHYzLjEyLCB5b3UgYWxzbyBuZWVkCmNvbW1pdCA4NGE0NGFkYzE2YWIxMThjZjdlMDUxODg2 MTIxNmNiYzkxY2VlNmU0CkF1dGhvcjogVmlsbGUgU3lyasOkbMOkIDx2aWxsZS5zeXJqYWxhQGxp bnV4LmludGVsLmNvbT4KRGF0ZTogICBGcmkgU2VwIDYgMjM6Mjk6MDAgMjAxMyArMDMwMAoKICAg IGRybS9pOTE1OiBBZGQgc3VwcG9ydCBmb3IgcGlwZV9icHAgcmVhZG91dAotLS0KIGRyaXZlcnMv Z3B1L2RybS9pOTE1L2ludGVsX2RwLmMgfCAgIDIxICsrKysrKysrKysrKysrKysrKysrKwogMSBm aWxlIGNoYW5nZWQsIDIxIGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9kcC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZHAuYwppbmRl eCBmNjNhYThjLi5jYjg5NWQ4IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRl bF9kcC5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKQEAgLTE0NzYsNiAr MTQ3NiwyNyBAQCBzdGF0aWMgdm9pZCBpbnRlbF9kcF9nZXRfY29uZmlnKHN0cnVjdCBpbnRlbF9l bmNvZGVyICplbmNvZGVyLAogCQlpcm9ubGFrZV9jaGVja19lbmNvZGVyX2RvdGNsb2NrKHBpcGVf Y29uZmlnLCBkb3RjbG9jayk7CiAKIAlwaXBlX2NvbmZpZy0+YWRqdXN0ZWRfbW9kZS5jcnRjX2Ns b2NrID0gZG90Y2xvY2s7CisKKwlpZiAoaXNfZWRwKGludGVsX2RwKSAmJiBkZXZfcHJpdi0+dmJ0 LmVkcF9icHAgJiYKKwkgICAgcGlwZV9jb25maWctPnBpcGVfYnBwID4gZGV2X3ByaXYtPnZidC5l ZHBfYnBwKSB7CisJCS8qCisJCSAqIFRoaXMgaXMgYSBiaWcgZmF0IHVnbHkgaGFjay4KKwkJICoK KwkJICogU29tZSBtYWNoaW5lcyBpbiBVRUZJIGJvb3QgbW9kZSBwcm92aWRlIHVzIGEgVkJUIHRo YXQgaGFzIDE4CisJCSAqIGJwcCBhbmQgMS42MiBHSHogbGluayBiYW5kd2lkdGggZm9yIGVEUCwg d2hpY2ggZm9yIHJlYXNvbnMKKwkJICogdW5rbm93biB3ZSBmYWlsIHRvIGxpZ2h0IHVwLiBZZXQg dGhlIHNhbWUgQklPUyBib290cyB1cCB3aXRoCisJCSAqIDI0IGJwcCBhbmQgMi43IEdIeiBsaW5r LiBVc2UgdGhlIHNhbWUgYnBwIGFzIHRoZSBCSU9TIHVzZXMgYXMKKwkJICogbWF4LCBub3Qgd2hh dCBpdCB0ZWxscyB1cyB0byB1c2UuCisJCSAqCisJCSAqIE5vdGU6IFRoaXMgd2lsbCBzdGlsbCBi ZSBicm9rZW4gaWYgdGhlIGVEUCBwYW5lbCBpcyBub3QgbGl0CisJCSAqIHVwIGJ5IHRoZSBCSU9T LCBhbmQgdGh1cyB3ZSBjYW4ndCBnZXQgdGhlIG1vZGUgYXQgbW9kdWxlCisJCSAqIGxvYWQuCisJ CSAqLworCQlEUk1fREVCVUdfS01TKCJwaXBlIGhhcyAlZCBicHAgZm9yIGVEUCBwYW5lbCwgb3Zl cnJpZGluZyBCSU9TLXByb3ZpZGVkIG1heCAlZCBicHBcbiIsCisJCQkgICAgICBwaXBlX2NvbmZp Zy0+cGlwZV9icHAsIGRldl9wcml2LT52YnQuZWRwX2JwcCk7CisJCWRldl9wcml2LT52YnQuZWRw X2JwcCA9IHBpcGVfY29uZmlnLT5waXBlX2JwcDsKKwl9CisKIH0KIAogc3RhdGljIGJvb2wgaXNf ZWRwX3BzcihzdHJ1Y3QgZHJtX2RldmljZSAqZGV2KQotLSAKMS43LjkuNQoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlz dApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK