From mboxrd@z Thu Jan 1 00:00:00 1970 From: Uma Shankar Subject: [v10 03/12] drm: Parse HDR metadata info from EDID Date: Tue, 14 May 2019 23:06:25 +0530 Message-ID: <1557855394-12214-4-git-send-email-uma.shankar@intel.com> References: <1557855394-12214-1-git-send-email-uma.shankar@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1557855394-12214-1-git-send-email-uma.shankar@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, dri-devel@lists.freedesktop.org Cc: dcastagna@chromium.org, jonas@kwiboo.se, seanpaul@chromium.org List-Id: intel-gfx@lists.freedesktop.org SERSIG1ldGFkYXRhIGJsb2NrIGlzIGludHJvZHVjZWQgaW4gQ0VBLTg2MS4zIHNwZWMuClBhcnNp bmcgdGhlIHNhbWUgdG8gZ2V0IHRoZSBwYW5lbCdzIEhEUiBtZXRhZGF0YS4KCnYyOiBSZWJhc2Ug YW5kIGFkZGVkIFZpbGxlJ3MgUE9DIGNoYW5nZXMgdG8gdGhlIHBhdGNoLgoKdjM6IE5vIENoYW5n ZQoKdjQ6IEFkZHJlc3NlZCBTaGFzaGFuaydzIHJldmlldyBjb21tZW50cwoKdjU6IEFkZHJlc3Nl ZCBTaGFzaGFuaydzIGNvbW1lbnQgYW5kIGFkZGVkIGhpcyBSQi4KCnY2OiBBZGRyZXNzZWQgSm9u YXMgS2FybG1hbiByZXZpZXcgY29tbWVudHMuCgp2NzogQWRyZXNzZWQgVmlsbGUncyByZXZpZXcg Y29tbWVudHMgYW5kIGZpeGVkIHRoZSBpc3N1ZQp3aXRoIGxlbmd0aCBoYW5kbGluZy4KClNpZ25l ZC1vZmYtYnk6IFVtYSBTaGFua2FyIDx1bWEuc2hhbmthckBpbnRlbC5jb20+ClJldmlld2VkLWJ5 OiBTaGFzaGFuayBTaGFybWEgPHNoYXNoYW5rLnNoYXJtYUBpbnRlbC5jb20+Ci0tLQogZHJpdmVy cy9ncHUvZHJtL2RybV9lZGlkLmMgfCA0OSArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrCiAxIGZpbGUgY2hhbmdlZCwgNDkgaW5zZXJ0aW9ucygrKQoKZGlmZiAt LWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9kcm1fZWRpZC5jIGIvZHJpdmVycy9ncHUvZHJtL2RybV9l ZGlkLmMKaW5kZXggODUyYmRkOC4uMmUwYjViZSAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJt L2RybV9lZGlkLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL2RybV9lZGlkLmMKQEAgLTI4NTIsNiAr Mjg1Miw3IEBAIHN0YXRpYyBpbnQgZHJtX2N2dF9tb2RlcyhzdHJ1Y3QgZHJtX2Nvbm5lY3RvciAq Y29ubmVjdG9yLAogI2RlZmluZSBWSURFT19CTE9DSyAgICAgMHgwMgogI2RlZmluZSBWRU5ET1Jf QkxPQ0sgICAgMHgwMwogI2RlZmluZSBTUEVBS0VSX0JMT0NLCTB4MDQKKyNkZWZpbmUgSERSX1NU QVRJQ19NRVRBREFUQV9CTE9DSwkweDYKICNkZWZpbmUgVVNFX0VYVEVOREVEX1RBRyAweDA3CiAj ZGVmaW5lIEVYVF9WSURFT19DQVBBQklMSVRZX0JMT0NLIDB4MDAKICNkZWZpbmUgRVhUX1ZJREVP X0RBVEFfQkxPQ0tfNDIwCTB4MEUKQEAgLTM4MzQsNiArMzgzNSw1MiBAQCBzdGF0aWMgdm9pZCBm aXh1cF9kZXRhaWxlZF9jZWFfbW9kZV9jbG9jayhzdHJ1Y3QgZHJtX2Rpc3BsYXlfbW9kZSAqbW9k ZSkKIAltb2RlLT5jbG9jayA9IGNsb2NrOwogfQogCitzdGF0aWMgYm9vbCBjZWFfZGJfaXNfaGRt aV9oZHJfbWV0YWRhdGFfYmxvY2soY29uc3QgdTggKmRiKQoreworCWlmIChjZWFfZGJfdGFnKGRi KSAhPSBVU0VfRVhURU5ERURfVEFHKQorCQlyZXR1cm4gZmFsc2U7CisKKwlpZiAoZGJbMV0gIT0g SERSX1NUQVRJQ19NRVRBREFUQV9CTE9DSykKKwkJcmV0dXJuIGZhbHNlOworCisJcmV0dXJuIHRy dWU7Cit9CisKK3N0YXRpYyB1aW50OF90IGVvdGZfc3VwcG9ydGVkKGNvbnN0IHU4ICplZGlkX2V4 dCkKK3sKKwlyZXR1cm4gZWRpZF9leHRbMl0gJgorCQkoQklUKEhETUlfRU9URl9UUkFESVRJT05B TF9HQU1NQV9TRFIpIHwKKwkJIEJJVChIRE1JX0VPVEZfVFJBRElUSU9OQUxfR0FNTUFfSERSKSB8 CisJCSBCSVQoSERNSV9FT1RGX1NNUFRFX1NUMjA4NCkpOworfQorCitzdGF0aWMgdWludDhfdCBo ZHJfbWV0YWRhdGFfdHlwZShjb25zdCB1OCAqZWRpZF9leHQpCit7CisJcmV0dXJuIGVkaWRfZXh0 WzNdICYKKwkJQklUKEhETUlfU1RBVElDX01FVEFEQVRBX1RZUEUxKTsKK30KKworc3RhdGljIHZv aWQKK2RybV9wYXJzZV9oZHJfbWV0YWRhdGFfYmxvY2soc3RydWN0IGRybV9jb25uZWN0b3IgKmNv bm5lY3RvciwgY29uc3QgdTggKmRiKQoreworCXUxNiBsZW47CisKKwlsZW4gPSBjZWFfZGJfcGF5 bG9hZF9sZW4oZGIpOworCWlmIChsZW4gPj0gMykgeworCQljb25uZWN0b3ItPmhkcl9zaW5rX21l dGFkYXRhLmhkbWlfdHlwZTEuZW90ZiA9CisJCQkJCQllb3RmX3N1cHBvcnRlZChkYik7CisJCWNv bm5lY3Rvci0+aGRyX3NpbmtfbWV0YWRhdGEuaGRtaV90eXBlMS5tZXRhZGF0YV90eXBlID0KKwkJ CQkJCWhkcl9tZXRhZGF0YV90eXBlKGRiKTsKKwl9CisKKwlpZiAobGVuID49IDQpCisJCWNvbm5l Y3Rvci0+aGRyX3NpbmtfbWV0YWRhdGEuaGRtaV90eXBlMS5tYXhfY2xsID0gZGJbNF07CisJaWYg KGxlbiA+PSA1KQorCQljb25uZWN0b3ItPmhkcl9zaW5rX21ldGFkYXRhLmhkbWlfdHlwZTEubWF4 X2ZhbGwgPSBkYls1XTsKKwlpZiAobGVuID49IDYpCisJCWNvbm5lY3Rvci0+aGRyX3NpbmtfbWV0 YWRhdGEuaGRtaV90eXBlMS5taW5fY2xsID0gZGJbNl07Cit9CisKIHN0YXRpYyB2b2lkCiBkcm1f cGFyc2VfaGRtaV92c2RiX2F1ZGlvKHN0cnVjdCBkcm1fY29ubmVjdG9yICpjb25uZWN0b3IsIGNv bnN0IHU4ICpkYikKIHsKQEAgLTQ0NjEsNiArNDUwOCw4IEBAIHN0YXRpYyB2b2lkIGRybV9wYXJz ZV9jZWFfZXh0KHN0cnVjdCBkcm1fY29ubmVjdG9yICpjb25uZWN0b3IsCiAJCQlkcm1fcGFyc2Vf eTQyMGNtZGJfYml0bWFwKGNvbm5lY3RvciwgZGIpOwogCQlpZiAoY2VhX2RiX2lzX3ZjZGIoZGIp KQogCQkJZHJtX3BhcnNlX3ZjZGIoY29ubmVjdG9yLCBkYik7CisJCWlmIChjZWFfZGJfaXNfaGRt aV9oZHJfbWV0YWRhdGFfYmxvY2soZGIpKQorCQkJZHJtX3BhcnNlX2hkcl9tZXRhZGF0YV9ibG9j ayhjb25uZWN0b3IsIGRiKTsKIAl9CiB9CiAKLS0gCjEuOS4xCgpfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVs LWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZng=