From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Keeping Subject: [PATCH v3 04/24] drm/rockchip: dw-mipi-dsi: fix command header writes Date: Sun, 29 Jan 2017 13:24:24 +0000 Message-ID: <20170129132444.25251-5-john@metanate.com> References: <20170129132444.25251-1-john@metanate.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170129132444.25251-1-john@metanate.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Mark Yao Cc: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, Chris Zhong , linux-arm-kernel@lists.infradead.org List-Id: linux-rockchip.vger.kernel.org SW4gYSBjb3VwbGUgb2YgcGxhY2VzIGhlcmUgd2UgdXNlICJ2YWwiIGZvciB0aGUgdmFsdWUgdGhh dCBpcyBhYm91dCB0bwpiZSB3cml0dGVuIHRvIGEgcmVnaXN0ZXIgYnV0IHRoZW4gcmV1c2UgdGhl IHNhbWUgdmFyaWFibGUgZm9yIHRoZSB2YWx1ZQpvZiBhIHN0YXR1cyByZWdpc3RlciBiZWZvcmUg d2UgZ2V0IGFyb3VuZCB0byB3cml0aW5nIGl0LiAgUmVuYW1lIHRoZQp2YWx1ZSB0byBiZSB3cml0 dGVuIHRvIHNvIHRoYXQgd2Ugd3JpdGUgdGhlIHZhbHVlIHdlIGludGVuZCB0byBhbmQgbm90Cndo YXQgd2UgaGF2ZSBqdXN0IHJlYWQgZnJvbSB0aGUgc3RhdHVzIHJlZ2lzdGVyLgoKU2lnbmVkLW9m Zi1ieTogSm9obiBLZWVwaW5nIDxqb2huQG1ldGFuYXRlLmNvbT4KVGVzdGVkLWJ5OiBDaHJpcyBa aG9uZyA8enl3QHJvY2stY2hpcHMuY29tPgpSZXZpZXdlZC1ieTogQ2hyaXMgWmhvbmcgPHp5d0By b2NrLWNoaXBzLmNvbT4KLS0tClVuY2hhbmdlZCBpbiB2MwpVbmNoYW5nZWQgaW4gdjIKCiBkcml2 ZXJzL2dwdS9kcm0vcm9ja2NoaXAvZHctbWlwaS1kc2kuYyB8IDEwICsrKysrKy0tLS0KIDEgZmls ZSBjaGFuZ2VkLCA2IGluc2VydGlvbnMoKyksIDQgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEv ZHJpdmVycy9ncHUvZHJtL3JvY2tjaGlwL2R3LW1pcGktZHNpLmMgYi9kcml2ZXJzL2dwdS9kcm0v cm9ja2NoaXAvZHctbWlwaS1kc2kuYwppbmRleCBiZDkyZTU4YjY0ZjMuLjRjYmJiY2I2MTliNyAx MDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL3JvY2tjaGlwL2R3LW1pcGktZHNpLmMKKysrIGIv ZHJpdmVycy9ncHUvZHJtL3JvY2tjaGlwL2R3LW1pcGktZHNpLmMKQEAgLTU0Miw5ICs1NDIsMTAg QEAgc3RhdGljIGludCBkd19taXBpX2RzaV9ob3N0X2RldGFjaChzdHJ1Y3QgbWlwaV9kc2lfaG9z dCAqaG9zdCwKIAlyZXR1cm4gMDsKIH0KIAotc3RhdGljIGludCBkd19taXBpX2RzaV9nZW5fcGt0 X2hkcl93cml0ZShzdHJ1Y3QgZHdfbWlwaV9kc2kgKmRzaSwgdTMyIHZhbCkKK3N0YXRpYyBpbnQg ZHdfbWlwaV9kc2lfZ2VuX3BrdF9oZHJfd3JpdGUoc3RydWN0IGR3X21pcGlfZHNpICpkc2ksIHUz MiBoZHJfdmFsKQogewogCWludCByZXQ7CisJdTMyIHZhbDsKIAogCXJldCA9IHJlYWR4X3BvbGxf dGltZW91dChyZWFkbCwgZHNpLT5iYXNlICsgRFNJX0NNRF9QS1RfU1RBVFVTLAogCQkJCSB2YWws ICEodmFsICYgR0VOX0NNRF9GVUxMKSwgMTAwMCwKQEAgLTU1NCw3ICs1NTUsNyBAQCBzdGF0aWMg aW50IGR3X21pcGlfZHNpX2dlbl9wa3RfaGRyX3dyaXRlKHN0cnVjdCBkd19taXBpX2RzaSAqZHNp LCB1MzIgdmFsKQogCQlyZXR1cm4gcmV0OwogCX0KIAotCWRzaV93cml0ZShkc2ksIERTSV9HRU5f SERSLCB2YWwpOworCWRzaV93cml0ZShkc2ksIERTSV9HRU5fSERSLCBoZHJfdmFsKTsKIAogCXJl dCA9IHJlYWR4X3BvbGxfdGltZW91dChyZWFkbCwgZHNpLT5iYXNlICsgRFNJX0NNRF9QS1RfU1RB VFVTLAogCQkJCSB2YWwsIHZhbCAmIChHRU5fQ01EX0VNUFRZIHwgR0VOX1BMRF9XX0VNUFRZKSwK QEAgLTU4Nyw4ICs1ODgsOSBAQCBzdGF0aWMgaW50IGR3X21pcGlfZHNpX2Rjc19sb25nX3dyaXRl KHN0cnVjdCBkd19taXBpX2RzaSAqZHNpLAogewogCWNvbnN0IHUzMiAqdHhfYnVmID0gbXNnLT50 eF9idWY7CiAJaW50IGxlbiA9IG1zZy0+dHhfbGVuLCBwbGRfZGF0YV9ieXRlcyA9IHNpemVvZigq dHhfYnVmKSwgcmV0OwotCXUzMiB2YWwgPSBHRU5fSERBVEEobXNnLT50eF9sZW4pIHwgR0VOX0hU WVBFKG1zZy0+dHlwZSk7CisJdTMyIGhkcl92YWwgPSBHRU5fSERBVEEobXNnLT50eF9sZW4pIHwg R0VOX0hUWVBFKG1zZy0+dHlwZSk7CiAJdTMyIHJlbWFpbmRlciA9IDA7CisJdTMyIHZhbDsKIAog CWlmIChtc2ctPnR4X2xlbiA8IDMpIHsKIAkJZGV2X2Vycihkc2ktPmRldiwgIndyb25nIHR4IGJ1 ZiBsZW5ndGggJXp1IGZvciBsb25nIHdyaXRlXG4iLApAQCAtNjE3LDcgKzYxOSw3IEBAIHN0YXRp YyBpbnQgZHdfbWlwaV9kc2lfZGNzX2xvbmdfd3JpdGUoc3RydWN0IGR3X21pcGlfZHNpICpkc2ks CiAJCX0KIAl9CiAKLQlyZXR1cm4gZHdfbWlwaV9kc2lfZ2VuX3BrdF9oZHJfd3JpdGUoZHNpLCB2 YWwpOworCXJldHVybiBkd19taXBpX2RzaV9nZW5fcGt0X2hkcl93cml0ZShkc2ksIGhkcl92YWwp OwogfQogCiBzdGF0aWMgc3NpemVfdCBkd19taXBpX2RzaV9ob3N0X3RyYW5zZmVyKHN0cnVjdCBt aXBpX2RzaV9ob3N0ICpob3N0LAotLSAKMi4xMS4wLjE5Ny5nYjU1NmRlNS5kaXJ0eQoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxp bmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJl ZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==