From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shobhit Kumar Subject: [v2 6/6] drm/i915/skl: WA for watermark calculation based on Arbitrated Display BW Date: Wed, 27 Jan 2016 21:40:03 +0530 Message-ID: <1453911003-9856-6-git-send-email-shobhit.kumar@intel.com> References: <1453911003-9856-1-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 D79EB6E711 for ; Wed, 27 Jan 2016 08:10:53 -0800 (PST) In-Reply-To: <1453911003-9856-1-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: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org RnJvbTogIkt1bWFyLCBNYWhlc2giIDxtYWhlc2gxLmt1bWFyQGludGVsLmNvbT4KCiBJZiB0aGUg YXJiaXRhcnkgZGlzcGxheSBiYW5kd2lkdGggaXMgPiA2MCUgb2YgbWVtb3J5IGJhbmR3aXRoLCBm b3IKIHgtdGlsZSB3ZSBzaG91bGQgaW5jcmVhc2UgbGF0ZW5jeSBhdCBhbGwgbGV2ZWxzIGJ5IDE1 dXMuCgogSWYgdGhlIGFyYml0YXJ5IGRzcGxheSBiYW5kd2lkdGggaXMgZ3JlYXRlciB0aGFuIDIw JSBvZiBtZW1vcnkgYmFuZHdpdGgKIGluIGNhc2Ugb2YgeS10aWxlICBiZWluZyBlbmFibGVkLCBk b3VibGUgdGhlIHNjYW4gbGluZXMKCnYyOiBVcGRhdGUgdGhlIGNvbW1pdCBtZXNzYWdlIHRvIGV4 cGxhaW4gdGhlIFdBIChzaG9iaGl0KQoKdjM6IC0gQWRkcmVzcyBEYW1pZW4ncyBjb21tZW50LCB1 c2UgRElWX1JPVU5EX1VQX1VMTCBtYWNybwogICAgLSBDaGVjayBib3RoIG1lbV9zcGVlZCBhbmQg bWVtX2NoYW5uZWwgdG8gYmUgdmFsaWQgYmVmb3JlIGFwcGx5aW5nCiAgICAgIFdBKHNob2JoaXQp CgpTaWduZWQtb2ZmLWJ5OiBTaG9iaGl0IEt1bWFyIDxzaG9iaGl0Lmt1bWFyQGludGVsLmNvbT4K U2lnbmVkLW9mZi1ieTogS3VtYXIsIE1haGVzaCA8bWFoZXNoMS5rdW1hckBpbnRlbC5jb20+ClNp Z25lZC1vZmYtYnk6IFNob2JoaXQgS3VtYXIgPHNob2JoaXQua3VtYXJAaW50ZWwuY29tPgotLS0K IGRyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2LmggfCAgOSArKysrCiBkcml2ZXJzL2dwdS9k cm0vaTkxNS9pbnRlbF9wbS5jIHwgOTIgKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysKIDIgZmlsZXMgY2hhbmdlZCwgMTAxIGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQg YS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rydi5oIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUv aTkxNV9kcnYuaAppbmRleCBiMDQwZTdhLi40NTBlNmQzIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pOTE1X2Rydi5oCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZHJ2 LmgKQEAgLTE2MjQsNiArMTYyNCwxMiBAQCBlbnVtIGludGVsX3BpcGVfY3JjX3NvdXJjZSB7CiAJ SU5URUxfUElQRV9DUkNfU09VUkNFX01BWCwKIH07CiAKK2VudW0gd2F0ZXJtYXJrX21lbW9yeV93 YSB7CisJV0FURVJNQVJLX1dBX05PTkUsCisJV0FURVJNQVJLX1dBX1hfVElMRUQsCisJV0FURVJN QVJLX1dBX1lfVElMRUQsCit9OworCiBzdHJ1Y3QgaW50ZWxfcGlwZV9jcmNfZW50cnkgewogCXVp bnQzMl90IGZyYW1lOwogCXVpbnQzMl90IGNyY1s1XTsKQEAgLTE5MjYsNiArMTkzMiw5IEBAIHN0 cnVjdCBkcm1faTkxNV9wcml2YXRlIHsKIAkJLyogQ29tbWl0dGVkIHdtIGNvbmZpZyAqLwogCQlz dHJ1Y3QgaW50ZWxfd21fY29uZmlnIGNvbmZpZzsKIAorCQkvKiBUaGlzIHN0b3JlcyBpZiBXYXRl ck1hcmsgbWVtb3J5IHdvcmthcm91bmQgaXMgbmVlZGVkICovCisJCWVudW0gd2F0ZXJtYXJrX21l bW9yeV93YSBtZW1fd2E7CisKIAkJLyoKIAkJICogVGhlIHNrbF93bV92YWx1ZXMgc3RydWN0dXJl IGlzIGEgYml0IHRvbyBiaWcgZm9yIHN0YWNrCiAJCSAqIGFsbG9jYXRpb24sIHNvIHdlIGtlZXAg dGhlIHN0YWdpbmcgc3RydWN0IHdoZXJlIHdlIHN0b3JlCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9wbS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfcG0uYwpp bmRleCBhOWY5Mzk2Li5kYTVmZjM0IDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p bnRlbF9wbS5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX3BtLmMKQEAgLTMyMjUs NiArMzIyNSwxMSBAQCBzdGF0aWMgYm9vbCBza2xfY29tcHV0ZV9wbGFuZV93bShjb25zdCBzdHJ1 Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYsCiAJaWYgKGxhdGVuY3kgPT0gMCB8fCAhY3N0 YXRlLT5iYXNlLmFjdGl2ZSB8fCAhaW50ZWxfcHN0YXRlLT52aXNpYmxlKQogCQlyZXR1cm4gZmFs c2U7CiAKKwlpZiAoZGV2X3ByaXYtPndtLm1lbV93YSAhPSBXQVRFUk1BUktfV0FfTk9ORSkgewor CQlpZiAoZmItPm1vZGlmaWVyWzBdID09IEk5MTVfRk9STUFUX01PRF9YX1RJTEVEKQorCQkJbGF0 ZW5jeSArPSAxNTsKKwl9CisKIAl3aWR0aCA9IGRybV9yZWN0X3dpZHRoKCZpbnRlbF9wc3RhdGUt PnNyYykgPj4gMTY7CiAJaGVpZ2h0ID0gZHJtX3JlY3RfaGVpZ2h0KCZpbnRlbF9wc3RhdGUtPnNy YykgPj4gMTY7CiAKQEAgLTMyNjUsNiArMzI3MCw5IEBAIHN0YXRpYyBib29sIHNrbF9jb21wdXRl X3BsYW5lX3dtKGNvbnN0IHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKIAkJCQlX QVJOKDEsICJVbnN1cHBvcnRlZCBwaXhlbCBkZXB0aCBmb3Igcm90YXRpb24iKTsKIAkJCX0KIAkJ fQorCQlpZiAoZGV2X3ByaXYtPndtLm1lbV93YSA9PSBXQVRFUk1BUktfV0FfWV9USUxFRCkKKwkJ CW1pbl9zY2FubGluZXMgKj0gMjsKKwogCQl5X3RpbGVfbWluaW11bSA9IHBsYW5lX2Jsb2Nrc19w ZXJfbGluZSAqIG1pbl9zY2FubGluZXM7CiAJCXNlbGVjdGVkX3Jlc3VsdCA9IG1heChtZXRob2Qy LCB5X3RpbGVfbWluaW11bSk7CiAJfSBlbHNlIHsKQEAgLTM3MTUsNiArMzcyMyw4OSBAQCBzdGF0 aWMgdm9pZCBza2xfc2V0X3BsYW5lX3BpeGVsX3JhdGUoc3RydWN0IGRybV9jcnRjICpjcnRjKQog CiB9CiAKK3N0YXRpYyB2b2lkCitza2xfc2V0X2Rpc3BsYXlfbWVtb3J5X3dhKHN0cnVjdCBkcm1f ZGV2aWNlICpkZXYpCit7CisJc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2ID0gZGV2 LT5kZXZfcHJpdmF0ZTsKKwlzdHJ1Y3QgaW50ZWxfY3J0YyAqaW50ZWxfY3J0YyA9IE5VTEw7CisJ c3RydWN0IGludGVsX3BsYW5lICppbnRlbF9wbGFuZSA9IE5VTEw7CisJdWludDMyX3QgbnVtX2Fj dGl2ZV9jcnRjID0gMDsKKwl1aW50NjRfdCBtYXhfcGl4ZWxfcmF0ZV9waXBlID0gMDsKKwl1aW50 NjRfdCBkaXNwbGF5X2J3ID0gMCwgYXZhaWxhYmxlX2J3ID0gMDsKKwlib29sIHlfdGlsZV9lbmFi bGVkID0gZmFsc2U7CisJaW50IG1lbW9yeV9wb3J0aW9uID0gMDsKKworCS8qIFZlcmlmeSB0aGF0 IHdlIGdvdCBwcm9wZXIgbWVtb3J5IGluZm9ybWF0aW9uICovCisJaWYgKGRldl9wcml2LT5kbWku bWVtX2NoYW5uZWwgPT0gMCB8fCBkZXZfcHJpdi0+ZG1pLm1lbV9zcGVlZCA9PSAtMSkgeworCQlk ZXZfcHJpdi0+d20ubWVtX3dhID0gV0FURVJNQVJLX1dBX05PTkU7CisJCXJldHVybjsKKwl9CisK Kwlmb3JfZWFjaF9pbnRlbF9jcnRjKGRldiwgaW50ZWxfY3J0YykgeworCQl1aW50NjRfdCBtYXhf cGl4ZWxfcmF0ZV9wbGFuZSA9IDA7CisJCXVpbnQ2NF90IHBpcGVfYnc7CisJCXVpbnQzMl90IG51 bV9hY3RpdmVfcGxhbmUgPSAwOworCQljb25zdCBzdHJ1Y3QgaW50ZWxfY3J0Y19zdGF0ZSAqY3N0 YXRlID0gTlVMTDsKKworCQlpZiAoIWludGVsX2NydGMtPmFjdGl2ZSkKKwkJCWNvbnRpbnVlOwor CQljc3RhdGUgPSB0b19pbnRlbF9jcnRjX3N0YXRlKGludGVsX2NydGMtPmJhc2Uuc3RhdGUpOwor CQludW1fYWN0aXZlX2NydGMrKzsKKworCQlmb3JfZWFjaF9pbnRlbF9wbGFuZV9vbl9jcnRjKGRl diwgaW50ZWxfY3J0YywgaW50ZWxfcGxhbmUpIHsKKwkJCXN0cnVjdCBkcm1fcGxhbmUgKnBsYW5l ID0gJmludGVsX3BsYW5lLT5iYXNlOworCQkJc3RydWN0IGRybV9mcmFtZWJ1ZmZlciAqZmIgPSBw bGFuZS0+c3RhdGUtPmZiOworCQkJdWludDY0X3QgcGxhbmVfYncsIGludGVybV9idyA9IDEwMDAw MDAwOworCisJCQlpZiAoZmIgPT0gTlVMTCkKKwkJCQljb250aW51ZTsKKwkJCWlmIChwbGFuZS0+ dHlwZSA9PSBEUk1fUExBTkVfVFlQRV9DVVJTT1IpCisJCQkJY29udGludWU7CisJCQludW1fYWN0 aXZlX3BsYW5lKys7CisKKwkJCWlmIChmYi0+bW9kaWZpZXJbMF0gPT0gSTkxNV9GT1JNQVRfTU9E X1lfVElMRUQpCisJCQkJeV90aWxlX2VuYWJsZWQgPSB0cnVlOworCisJCQkvKgorCQkJICogcGxh bmVCVyA9IHBpeGVsX3JhdGUoTUh6KSAqIEJQUCAqIHBsYW5lIGRvd25zY2FsZQorCQkJICoJCWFt b3VudCAqIHBpcGUgZG93bnNjYWxlIGFtb3VudDsKKwkJCSAqCisJCQkgKiBza2xfcGlwZV9waXhl bF9yYXRlIHJldHVybiBhZGp1c3RlZCB2YWx1ZSBhY2NvcmRpbmcKKwkJCSAqIHRvIGRvd25zY2Fs aW5nICBhbW91bnQKKwkJCSAqIHBpeGVsIHJhdGUgaXMgaW4gS0h6ICYgZG93bnNjYWxlIGZhY3Rv ciBpcyBtdWx0aXBsaWVkCisJCQkgKiBieSAxMDAwLCBzbyBkZXZpZGUgYnkgMTAwMCoxMDAwCisJ CQkgKi8KKwkJCWludGVybV9idyA9IHNrbF9waXBlX3BpeGVsX3JhdGUoY3N0YXRlKSAqCisJCQkJ ZHJtX2Zvcm1hdF9wbGFuZV9jcHAoZmItPnBpeGVsX2Zvcm1hdCwgMCkgKgorCQkJCXNrbF9wbGFu ZV9kb3duc2NhbGVfYW1vdW50KGludGVsX3BsYW5lKTsKKworCQkJaWYgKGZiLT5waXhlbF9mb3Jt YXQgPT0gRFJNX0ZPUk1BVF9OVjEyKQorCQkJCWludGVybV9idyArPSBza2xfcGlwZV9waXhlbF9y YXRlKGNzdGF0ZSkgKgorCQkJCWRybV9mb3JtYXRfcGxhbmVfY3BwKGZiLT5waXhlbF9mb3JtYXQs IDEpICoKKwkJCQlza2xfcGxhbmVfZG93bnNjYWxlX2Ftb3VudChpbnRlbF9wbGFuZSk7CisKKwkJ CXBsYW5lX2J3ID0gRElWX1JPVU5EX1VQKGludGVybV9idywgKHVpbnQ2NF90KSAoMTAwMCAqCisJ CQkJCQkxMDAwKSk7CisJCQltYXhfcGl4ZWxfcmF0ZV9wbGFuZSA9IG1heChtYXhfcGl4ZWxfcmF0 ZV9wbGFuZSwKKwkJCQkJcGxhbmVfYncpOworCQl9CisJCXBpcGVfYncgPSBtYXhfcGl4ZWxfcmF0 ZV9wbGFuZSAqIG51bV9hY3RpdmVfcGxhbmU7CisJCW1heF9waXhlbF9yYXRlX3BpcGUgPSBtYXgo bWF4X3BpeGVsX3JhdGVfcGlwZSwgcGlwZV9idyk7CisJfQorCWRpc3BsYXlfYncgPSBtYXhfcGl4 ZWxfcmF0ZV9waXBlICogbnVtX2FjdGl2ZV9jcnRjOworCisJYXZhaWxhYmxlX2J3ID0gZGV2X3By aXYtPmRtaS5tZW1fY2hhbm5lbCAqIGRldl9wcml2LT5kbWkubWVtX3NwZWVkICogODsKKworCW1l bW9yeV9wb3J0aW9uID0gRElWX1JPVU5EX1VQX1VMTCgoZGlzcGxheV9idyAqIDEwMCksIGF2YWls YWJsZV9idyk7CisKKwlpZiAoeV90aWxlX2VuYWJsZWQgJiYgKG1lbW9yeV9wb3J0aW9uID49IDIw KSkKKwkJZGV2X3ByaXYtPndtLm1lbV93YSA9IFdBVEVSTUFSS19XQV9ZX1RJTEVEOworCWVsc2Ug aWYgKG1lbW9yeV9wb3J0aW9uID49IDYwKQorCQlkZXZfcHJpdi0+d20ubWVtX3dhID0gV0FURVJN QVJLX1dBX1hfVElMRUQ7CisJZWxzZQorCQlkZXZfcHJpdi0+d20ubWVtX3dhID0gV0FURVJNQVJL X1dBX05PTkU7Cit9CisKIHN0YXRpYyB2b2lkIHNrbF9jbGVhcl93bShzdHJ1Y3Qgc2tsX3dtX3Zh bHVlcyAqd2F0ZXJtYXJrcywgZW51bSBwaXBlIHBpcGUpCiB7CiAJd2F0ZXJtYXJrcy0+d21fbGlu ZXRpbWVbcGlwZV0gPSAwOwpAQCAtMzc1Miw2ICszODQzLDcgQEAgc3RhdGljIHZvaWQgc2tsX3Vw ZGF0ZV93bShzdHJ1Y3QgZHJtX2NydGMgKmNydGMpCiAKIAkvKiBDYWxjdWxhdGUgcGxhbmUgcGl4 ZWwgcmF0ZSBmb3IgZWFjaCBwbGFuZSBpbiBhZHZhbmNlICovCiAJc2tsX3NldF9wbGFuZV9waXhl bF9yYXRlKGNydGMpOworCXNrbF9zZXRfZGlzcGxheV9tZW1vcnlfd2EoZGV2KTsKIAogCWlmICgh c2tsX3VwZGF0ZV9waXBlX3dtKGNydGMsICZyZXN1bHRzLT5kZGIsIHBpcGVfd20pKQogCQlyZXR1 cm47Ci0tIAoyLjUuMAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Au b3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1n ZngK