From mboxrd@z Thu Jan 1 00:00:00 1970 From: Deepak M Subject: [MIPI SEQ PARSING v3 06/13] drm/i915: Parsing VBT if size of VBT exceeds 6KB Date: Tue, 1 Dec 2015 04:17:09 +0530 Message-ID: <1448923632-16760-7-git-send-email-m.deepak@intel.com> References: <1448923632-16760-1-git-send-email-m.deepak@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id E140F6E5B3 for ; Mon, 30 Nov 2015 09:13:24 -0800 (PST) In-Reply-To: <1448923632-16760-1-git-send-email-m.deepak@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 Cc: Deepak M , Jani Nikula List-Id: intel-gfx@lists.freedesktop.org Q3VycmVudGx5IHRoZSBpb21hcCBmb3IgVkJUIHdvcmtzIG9ubHkgaWYgdGhlIHNpemUgb2YgdGhl ClZCVCBpcyBsZXNzIHRoYW4gNktCLCBidXQgaWYgdGhlIHNpemUgb2YgdGhlIFZCVCBleGNlZWRz CjZLQiB0aGFuIHRoZSBwaHlzaWNhbCBhZGRyZXNzIGFuZCB0aGUgc2l6ZSBvZiB0aGUgVkJUIHRv CmJlIGlvbWFwcGVkIGlzIHNwZWNpZmllZCBpbiB0aGUgbWFpbGJveDMgYW5kIGlzIGlvbWFwcGVk CmFjY29yZGluZ2x5LgoKdjM6IC1TcGxpdHRlZCB0aGUgcGF0Y2ggaW50byBzbWFsbCBvbmVzCiAg ICAtSGFuZGVsZWQgbWVtb3J5IHVubWFwIGluIGludGVsX29wcmVnaW9uX2ZpbmkKICAgIC1yZW1v dmVkIHRoZSBuZXcgZmlsZSBjcmVhdGVkIGZvciBvcHJlZ2lvbiBtYWNyb2BzCgpDYzogSmFuaSBO aWt1bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4KU2lnbmVkLW9mZi1ieTogRGVlcGFrIE0gPG0u ZGVlcGFrQGludGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9vcHJlZ2lv bi5jIHwgMzMgKysrKysrKysrKysrKysrKysrKysrKysrKysrLS0tLS0tCiAxIGZpbGUgY2hhbmdl ZCwgMjcgaW5zZXJ0aW9ucygrKSwgNiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9vcHJlZ2lvbi5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50 ZWxfb3ByZWdpb24uYwppbmRleCA3OTA4YTFkLi5iM2E1NzA5IDEwMDY0NAotLS0gYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9vcHJlZ2lvbi5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2ludGVsX29wcmVnaW9uLmMKQEAgLTg1Niw2ICs4NTYsOCBAQCB2b2lkIGludGVsX29wcmVnaW9u X2Zpbmkoc3RydWN0IGRybV9kZXZpY2UgKmRldikKIAl9CiAKIAkvKiBqdXN0IGNsZWFyIGFsbCBv cHJlZ2lvbiBtZW1vcnkgcG9pbnRlcnMgbm93ICovCisJaWYgKG9wcmVnaW9uLT5oZWFkZXItPm9w cmVnaW9uX3ZlciA+PSAyICYmIG9wcmVnaW9uLT5hc2xlLT5ydmRhKQorCQltZW11bm1hcChvcHJl Z2lvbi0+dmJ0KTsKIAltZW11bm1hcChvcHJlZ2lvbi0+aGVhZGVyKTsKIAlvcHJlZ2lvbi0+aGVh ZGVyID0gTlVMTDsKIAlvcHJlZ2lvbi0+YWNwaSA9IE5VTEw7CkBAIC05MzMsNyArOTM1LDggQEAg aW50IGludGVsX29wcmVnaW9uX3NldHVwKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYpCiAJY2hhciBi dWZbc2l6ZW9mKE9QUkVHSU9OX1NJR05BVFVSRSldOwogCWNvbnN0IHN0cnVjdCB2YnRfaGVhZGVy ICp2YnQgPSBOVUxMOwogCWludCBlcnIgPSAwOwotCXZvaWQgKmJhc2U7CisJdm9pZCAqYmFzZSwg KnZidF9iYXNlOworCXNpemVfdCBzaXplOwogCiAJQlVJTERfQlVHX09OKHNpemVvZihzdHJ1Y3Qg b3ByZWdpb25faGVhZGVyKSAhPSAweDEwMCk7CiAJQlVJTERfQlVHX09OKHNpemVvZihzdHJ1Y3Qg b3ByZWdpb25fYWNwaSkgIT0gMHgxMDApOwpAQCAtOTYzLDE5ICs5NjYsMzcgQEAgaW50IGludGVs X29wcmVnaW9uX3NldHVwKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYpCiAJCWdvdG8gZXJyX291dDsK IAl9CiAKLQl2YnQgPSB2YWxpZGF0ZV92YnQoYmFzZSArIE9QUkVHSU9OX1ZCVF9PRkZTRVQsCi0J CQkJTUFJTEJPWF80X1NJWkUsICJPcFJlZ2lvbiIpOworCS8qCisJICogTm9uLXplcm8gdmFsdWUg aW4gcnZkYSBmaWVsZCBpcyBhbiBpbmRpY2F0aW9uIHRvIGRyaXZlciB0aGF0IGEKKwkgKiB2YWxp ZCBSYXcgVkJUIGlzIHN0b3JlZCBpbiB0aGF0IGFkZHJlc3MgYW5kIGRyaXZlciBzaG91bGQgbm90 IHJlZmVyCisJICogdG8gbWFpbGJveDQgZm9yIGdldHRpbmcgVkJULgorCSAqLworCWlmIChvcHJl Z2lvbi0+aGVhZGVyLT5vcHJlZ2lvbl92ZXIgPj0gMiAmJiBvcHJlZ2lvbi0+YXNsZS0+cnZkYSkg eworCQlzaXplID0gb3ByZWdpb24tPmFzbGUtPnJ2ZHM7CisJCXZidF9iYXNlID0gbWVtcmVtYXAo b3ByZWdpb24tPmFzbGUtPnJ2ZGEsCisJCQkJc2l6ZSwgTUVNUkVNQVBfV0IpOworCX0gZWxzZSB7 CisJCXNpemUgPSBNQUlMQk9YXzRfU0laRTsKKwkJdmJ0X2Jhc2UgPSBiYXNlICsgT1BSRUdJT05f VkJUX09GRlNFVDsKKwl9CisKKwl2YnQgPSB2YWxpZGF0ZV92YnQodmJ0X2Jhc2UsIHNpemUsICJP cFJlZ2lvbiIpOwogCiAJaWYgKHZidCA9PSBOVUxMKSB7CiAJCWVyciA9IC1FSU5WQUw7CiAJCWdv dG8gZXJyX291dDsKIAl9CiAKLQl2YnQgPSAoY29uc3Qgc3RydWN0IHZidF9oZWFkZXIgKikoYmFz ZSArIE9QUkVHSU9OX1ZCVF9PRkZTRVQpOwotCWRldl9wcml2LT5vcHJlZ2lvbi52YnRfc2l6ZSA9 IHZidC0+dmJ0X3NpemU7CisJLyogQXNzaWduaW5nIHRoZSB2YnRfc2l6ZSBiYXNlZCBvbiB0aGUg VkJUIGxvY2F0aW9uICovCisJaWYgKG9wcmVnaW9uLT5oZWFkZXItPm9wcmVnaW9uX3ZlciA+PSAy ICYmIG9wcmVnaW9uLT5hc2xlLT5ydmRhKQorCQlkZXZfcHJpdi0+b3ByZWdpb24udmJ0X3NpemUg PSBvcHJlZ2lvbi0+YXNsZS0+cnZkczsKKwllbHNlIHsKKwkJdmJ0ID0gKGNvbnN0IHN0cnVjdCB2 YnRfaGVhZGVyICopKGJhc2UgKyBPUFJFR0lPTl9WQlRfT0ZGU0VUKTsKKwkJZGV2X3ByaXYtPm9w cmVnaW9uLnZidF9zaXplID0gdmJ0LT52YnRfc2l6ZTsKKwl9CiAKIAlvcHJlZ2lvbi0+aGVhZGVy ID0gYmFzZTsKLQlvcHJlZ2lvbi0+dmJ0ID0gYmFzZSArIE9QUkVHSU9OX1ZCVF9PRkZTRVQ7CisJ b3ByZWdpb24tPnZidCA9IHZidF9iYXNlOwogCiAJb3ByZWdpb24tPmxpZF9zdGF0ZSA9IGJhc2Ug KyBBQ1BJX0NMSUQ7CiAJb3ByZWdpb24tPmFzbGVfZXh0ID0gYmFzZSArIE9QUkVHSU9OX0FTTEVf RVhUX09GRlNFVDsKLS0gCjEuOS4xCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVl ZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2ludGVsLWdmeAo=