From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tiago Vignatti Subject: [PATCH i-g-t 5/5] tests/kms_mmap_write_crc: Demonstrate the need for end_cpu_access Date: Tue, 11 Aug 2015 17:59:28 -0300 Message-ID: <1439326768-5611-10-git-send-email-tiago.vignatti@intel.com> References: <1439326768-5611-1-git-send-email-tiago.vignatti@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1439326768-5611-1-git-send-email-tiago.vignatti@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org Cc: daniel.vetter@ffwll.ch, intel-gfx@lists.freedesktop.org, daniel.thompson@linaro.org List-Id: intel-gfx@lists.freedesktop.org SXQgcmVxdWlyZXMgaTkxNSBjaGFuZ2VzIHRvIGFkZCBlbmRfY3B1X2FjY2VzcygpLgoKU2lnbmVk LW9mZi1ieTogVGlhZ28gVmlnbmF0dGkgPHRpYWdvLnZpZ25hdHRpQGludGVsLmNvbT4KLS0tCiB0 ZXN0cy9rbXNfbW1hcF93cml0ZV9jcmMuYyB8IDYzICsrKysrKysrKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKystLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCA1NSBpbnNlcnRpb25zKCspLCA4 IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL3Rlc3RzL2ttc19tbWFwX3dyaXRlX2NyYy5jIGIv dGVzdHMva21zX21tYXBfd3JpdGVfY3JjLmMKaW5kZXggZTI0ZDUzNS4uNTlhYzllNyAxMDA2NDQK LS0tIGEvdGVzdHMva21zX21tYXBfd3JpdGVfY3JjLmMKKysrIGIvdGVzdHMva21zX21tYXBfd3Jp dGVfY3JjLmMKQEAgLTY3LDYgKzY3LDI0IEBAIHN0YXRpYyBjaGFyICpkbWFidWZfbW1hcF9mcmFt ZWJ1ZmZlcihpbnQgZHJtX2ZkLCBzdHJ1Y3QgaWd0X2ZiICpmYikKIAlyZXR1cm4gcHRyOwogfQog CitzdGF0aWMgdm9pZCBkbWFidWZfc3luY19zdGFydCh2b2lkKQoreworCXN0cnVjdCBkbWFfYnVm X3N5bmMgc3luY19zdGFydDsKKworCW1lbXNldCgmc3luY19zdGFydCwgMCwgc2l6ZW9mKHN5bmNf c3RhcnQpKTsKKwlzeW5jX3N0YXJ0LmZsYWdzID0gRE1BX0JVRl9TWU5DX1NUQVJUIHwgRE1BX0JV Rl9TWU5DX1JXOworCWRvX2lvY3RsKGRtYV9idWZfZmQsIERNQV9CVUZfSU9DVExfU1lOQywgJnN5 bmNfc3RhcnQpOworfQorCitzdGF0aWMgdm9pZCBkbWFidWZfc3luY19lbmQodm9pZCkKK3sKKwlz dHJ1Y3QgZG1hX2J1Zl9zeW5jIHN5bmNfZW5kOworCisJbWVtc2V0KCZzeW5jX2VuZCwgMCwgc2l6 ZW9mKHN5bmNfZW5kKSk7CisJc3luY19lbmQuZmxhZ3MgPSBETUFfQlVGX1NZTkNfRU5EIHwgRE1B X0JVRl9TWU5DX1JXOworCWRvX2lvY3RsKGRtYV9idWZfZmQsIERNQV9CVUZfSU9DVExfU1lOQywg JnN5bmNfZW5kKTsKK30KKwogc3RhdGljIHZvaWQgdGVzdF9iZWdpbl9hY2Nlc3MoZGF0YV90ICpk YXRhKQogewogCWlndF9kaXNwbGF5X3QgKmRpc3BsYXkgPSAmZGF0YS0+ZGlzcGxheTsKQEAgLTEw MywxNCArMTIxLDExIEBAIHN0YXRpYyB2b2lkIHRlc3RfYmVnaW5fYWNjZXNzKGRhdGFfdCAqZGF0 YSkKIAljYWNoaW5nID0gZ2VtX2dldF9jYWNoaW5nKGRhdGEtPmRybV9mZCwgZmItPmdlbV9oYW5k bGUpOwogCWlndF9hc3NlcnQoY2FjaGluZyA9PSBJOTE1X0NBQ0hJTkdfTk9ORSB8fCBjYWNoaW5n ID09IEk5MTVfQ0FDSElOR19ESVNQTEFZKTsKIAotCS8vIFVuY29tbWVudCB0aGUgZm9sbG93aW5n IGZvciBmbHVzaCBhbmQgdGhlIGNyYyBjaGVjayBuZXh0IHBhc3Nlcy4gSXQKLQkvLyByZXF1aXJl cyB0aGUga2VybmVsIGNvdW50ZXItcGFydCBvZiBpdCBpbXBsZW1lbnRlZCBvYnZpb3VzbHkuCi0J Ly8gewotCS8vIHN0cnVjdCBkbWFfYnVmX3N5bmMgc3luY19zdGFydDsKLQkvLyBtZW1zZXQoJnN5 bmNfc3RhcnQsIDAsIHNpemVvZihzeW5jX3N0YXJ0KSk7Ci0JLy8gc3luY19zdGFydC5mbGFncyA9 IERNQV9CVUZfU1lOQ19TVEFSVCB8IERNQV9CVUZfU1lOQ19SVzsKLQkvLyBkb19pb2N0bChkbWFf YnVmX2ZkLCBETUFfQlVGX0lPQ1RMX1NZTkMsICZzeW5jX3N0YXJ0KTsKLQkvLyB9CisJLyoKKwkg KiBmaXJzdGx5IGRlbW9uc3RyYXRlIHRoZSBuZWVkIGZvciBETUFfQlVGX1NZTkNfU1RBUlQgKCJi ZWdpbl9jcHVfYWNjZXNzIikKKwkgKi8KKworCWRtYWJ1Zl9zeW5jX3N0YXJ0KCk7CiAKIAkvKiB1 c2UgZG1hYnVmIHBvaW50ZXIgdG8gbWFrZSB0aGUgb3RoZXIgZmIgYWxsIHdoaXRlIHRvbyAqLwog CWJ1ZiA9IG1hbGxvYyhmYi0+c2l6ZSk7CkBAIC0xMjYsNiArMTQxLDM4IEBAIHN0YXRpYyB2b2lk IHRlc3RfYmVnaW5fYWNjZXNzKGRhdGFfdCAqZGF0YSkKIAkvKiBjaGVjayB0aGF0IHRoZSBjcmMg aXMgYXMgZXhwZWN0ZWQsIHdoaWNoIHJlcXVpcmVzIHRoYXQgY2FjaGVzIGdvdCBmbHVzaGVkICov CiAJaWd0X3BpcGVfY3JjX2NvbGxlY3RfY3JjKGRhdGEtPnBpcGVfY3JjLCAmY3JjKTsKIAlpZ3Rf YXNzZXJ0X2NyY19lcXVhbCgmY3JjLCAmZGF0YS0+cmVmX2NyYyk7CisKKwkvKgorCSAqIG5vdyBk ZW1vbnN0cmF0ZXMgdGhlIG5lZWQgZm9yIERNQV9CVUZfU1lOQ19FTkQgKCJlbmRfY3B1X2FjY2Vz cyIpCisJICovCisKKwkvKiBzdGFydCBvdmVyLCB3cml0aW5nIG5vbi13aGl0ZSB0byB0aGUgZmIg YWdhaW4gYW5kIGZsaXAgdG8gaXQgdG8gbWFrZSBpdAorCSAqIGZ1bGx5IGZsdXNoZWQgKi8KKwlj ciA9IGlndF9nZXRfY2Fpcm9fY3R4KGRhdGEtPmRybV9mZCwgZmIpOworCWlndF9wYWludF90ZXN0 X3BhdHRlcm4oY3IsIGZiLT53aWR0aCwgZmItPmhlaWdodCk7CisJY2Fpcm9fZGVzdHJveShjcik7 CisKKwlpZ3RfcGxhbmVfc2V0X2ZiKGRhdGEtPnByaW1hcnksIGZiKTsKKwlpZ3RfZGlzcGxheV9j b21taXQoZGlzcGxheSk7CisKKwkvKiBzeW5jIHN0YXJ0LCB0byBtb3ZlIHRvIENQVSBkb21haW4g Ki8KKwlkbWFidWZfc3luY19zdGFydCgpOworCisJLyogdXNlIGRtYWJ1ZiBwb2ludGVyIGluIHRo ZSBzYW1lIGZiIHRvIG1ha2UgaXQgYWxsIHdoaXRlICovCisJYnVmID0gbWFsbG9jKGZiLT5zaXpl KTsKKwlpZ3RfYXNzZXJ0KGJ1ZiAhPSBOVUxMKTsKKwltZW1zZXQoYnVmLCAweGZmLCBmYi0+c2l6 ZSk7CisJbWVtY3B5KHB0ciwgYnVmLCBmYi0+c2l6ZSk7CisJZnJlZShidWYpOworCisJLyogdGhl cmUncyBhbiBpbXBsaWNpdCBmbHVzaCBpbiBzZXRfZmIoKSBhcyB3ZWxsICh0byBzZXQgdG8gdGhl IEdUVCBkb21haW4pLAorCSAqIHNvIGlmIHdlIGRvbid0IGRvIGl0IGFuZCBpbnN0ZWFkIHdyaXRl IGRpcmVjdGx5IGludG8gdGhlIGZiIGFzIGl0IGlzIHRoZQorCSAqIHNjYW5vdXQsIHRoYXQgc2hv dWxkIGRlbW9uc3RyYXRlIHRoZSBuZWVkIGZvciBlbmRfY3B1X2FjY2VzcyAqLworCWRtYWJ1Zl9z eW5jX2VuZCgpOworCisJLyogY2hlY2sgdGhhdCB0aGUgY3JjIGlzIGFzIGV4cGVjdGVkLCB3aGlj aCByZXF1aXJlcyB0aGF0IGNhY2hlcyBnb3QgZmx1c2hlZCAqLworCWlndF9waXBlX2NyY19jb2xs ZWN0X2NyYyhkYXRhLT5waXBlX2NyYywgJmNyYyk7CisJaWd0X2Fzc2VydF9jcmNfZXF1YWwoJmNy YywgJmRhdGEtPnJlZl9jcmMpOwogfQogCiBzdGF0aWMgYm9vbCBwcmVwYXJlX2NydGMoZGF0YV90 ICpkYXRhKQotLSAKMi4xLjAKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNr dG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJp LWRldmVsCg==