From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Clark Subject: [PATCH v2 3/3] drm/vgem: use normal cached mmap'ings Date: Tue, 16 Jul 2019 10:43:23 -0700 Message-ID: <20190716174331.7371-3-robdclark@gmail.com> References: <20190716174331.7371-1-robdclark@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190716174331.7371-1-robdclark@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: dri-devel@lists.freedesktop.org Cc: Rob Clark , Deepak Sharma , Thomas Zimmermann , Eric Biggers , David Airlie , Intel Graphics Development , linux-kernel@vger.kernel.org, Emil Velikov List-Id: dri-devel@lists.freedesktop.org RnJvbTogUm9iIENsYXJrIDxyb2JkY2xhcmtAY2hyb21pdW0ub3JnPgoKU2luY2UgdGhlcmUgaXMg bm8gcmVhbCBkZXZpY2UgYXNzb2NpYXRlZCB3aXRoIFZHRU0sIGl0IGlzIGltcG9zc2libGUgdG8K ZW5kIHVwIHdpdGggYXBwcm9wcmlhdGUgZGV2LT5kbWFfb3BzLCBtZWFuaW5nIHRoYXQgd2UgaGF2 ZSBubyB3YXkgdG8KaW52YWxpZGF0ZSB0aGUgc2htZW0gcGFnZXMgYWxsb2NhdGVkIGJ5IFZHRU0u ICBTbywgYXQgbGVhc3Qgb24gcGxhdGZvcm1zCndpdGhvdXQgZHJtX2NmbHVzaF9wYWdlcygpLCB3 ZSBlbmQgdXAgd2l0aCBjb3JydXB0aW9uIHdoZW4gY2FjaGUgbGluZXMKZnJvbSBwcmV2aW91cyB1 c2FnZSBvZiBWR0VNIGJvIHBhZ2VzIGdldCBldmljdGVkIHRvIG1lbW9yeS4KClRoZSBvbmx5IHNh bmUgb3B0aW9uIGlzIHRvIHVzZSBjYWNoZWQgbWFwcGluZ3MuCgpTaWduZWQtb2ZmLWJ5OiBSb2Ig Q2xhcmsgPHJvYmRjbGFya0BjaHJvbWl1bS5vcmc+Ci0tLQogZHJpdmVycy9ncHUvZHJtL3ZnZW0v dmdlbV9kcnYuYyB8IDI0ICsrKysrKysrKysrKysrLS0tLS0tLS0tLQogMSBmaWxlIGNoYW5nZWQs IDE0IGluc2VydGlvbnMoKyksIDEwIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMv Z3B1L2RybS92Z2VtL3ZnZW1fZHJ2LmMgYi9kcml2ZXJzL2dwdS9kcm0vdmdlbS92Z2VtX2Rydi5j CmluZGV4IGExNzllOTYyYjc5ZS4uYjYwNzFhNDY2YjkyIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dw dS9kcm0vdmdlbS92Z2VtX2Rydi5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS92Z2VtL3ZnZW1fZHJ2 LmMKQEAgLTI1OSw5ICsyNTksNiBAQCBzdGF0aWMgaW50IHZnZW1fbW1hcChzdHJ1Y3QgZmlsZSAq ZmlscCwgc3RydWN0IHZtX2FyZWFfc3RydWN0ICp2bWEpCiAJaWYgKHJldCkKIAkJcmV0dXJuIHJl dDsKIAotCS8qIEtlZXAgdGhlIFdDIG1tYXBpbmcgc2V0IGJ5IGRybV9nZW1fbW1hcCgpIGJ1dCBv dXIgcGFnZXMKLQkgKiBhcmUgb3JkaW5hcnkgYW5kIG5vdCBzcGVjaWFsLgotCSAqLwogCXZtYS0+ dm1fZmxhZ3MgPSBmbGFncyB8IFZNX0RPTlRFWFBBTkQgfCBWTV9ET05URFVNUDsKIAlyZXR1cm4g MDsKIH0KQEAgLTMxMCwxNyArMzA3LDE3IEBAIHN0YXRpYyB2b2lkIHZnZW1fdW5waW5fcGFnZXMo c3RydWN0IGRybV92Z2VtX2dlbV9vYmplY3QgKmJvKQogc3RhdGljIGludCB2Z2VtX3ByaW1lX3Bp bihzdHJ1Y3QgZHJtX2dlbV9vYmplY3QgKm9iaiwgc3RydWN0IGRldmljZSAqZGV2KQogewogCXN0 cnVjdCBkcm1fdmdlbV9nZW1fb2JqZWN0ICpibyA9IHRvX3ZnZW1fYm8ob2JqKTsKLQlsb25nIG5f cGFnZXMgPSBvYmotPnNpemUgPj4gUEFHRV9TSElGVDsKKwlsb25nIGksIG5fcGFnZXMgPSBvYmot PnNpemUgPj4gUEFHRV9TSElGVDsKIAlzdHJ1Y3QgcGFnZSAqKnBhZ2VzOwogCiAJcGFnZXMgPSB2 Z2VtX3Bpbl9wYWdlcyhibyk7CiAJaWYgKElTX0VSUihwYWdlcykpCiAJCXJldHVybiBQVFJfRVJS KHBhZ2VzKTsKIAotCS8qIEZsdXNoIHRoZSBvYmplY3QgZnJvbSB0aGUgQ1BVIGNhY2hlIHNvIHRo YXQgaW1wb3J0ZXJzIGNhbiByZWx5Ci0JICogb24gY29oZXJlbnQgaW5kaXJlY3QgYWNjZXNzIHZp YSB0aGUgZXhwb3J0ZWQgZG1hLWFkZHJlc3MuCi0JICovCi0JZHJtX2NsZmx1c2hfcGFnZXMocGFn ZXMsIG5fcGFnZXMpOworCWZvciAoaSA9IDA7IGkgPCBuX3BhZ2VzOyBpKyspIHsKKwkJZG1hX3N5 bmNfc2luZ2xlX2Zvcl9kZXZpY2UoZGV2LCBwYWdlX3RvX3BoeXMocGFnZXNbaV0pLAorCQkJCQkg ICBQQUdFX1NJWkUsIERNQV9CSURJUkVDVElPTkFMKTsKKwl9CiAKIAlyZXR1cm4gMDsKIH0KQEAg LTMyOCw2ICszMjUsMTMgQEAgc3RhdGljIGludCB2Z2VtX3ByaW1lX3BpbihzdHJ1Y3QgZHJtX2dl bV9vYmplY3QgKm9iaiwgc3RydWN0IGRldmljZSAqZGV2KQogc3RhdGljIHZvaWQgdmdlbV9wcmlt ZV91bnBpbihzdHJ1Y3QgZHJtX2dlbV9vYmplY3QgKm9iaiwgc3RydWN0IGRldmljZSAqZGV2KQog ewogCXN0cnVjdCBkcm1fdmdlbV9nZW1fb2JqZWN0ICpibyA9IHRvX3ZnZW1fYm8ob2JqKTsKKwls b25nIGksIG5fcGFnZXMgPSBvYmotPnNpemUgPj4gUEFHRV9TSElGVDsKKwlzdHJ1Y3QgcGFnZSAq KnBhZ2VzID0gYm8tPnBhZ2VzOworCisJZm9yIChpID0gMDsgaSA8IG5fcGFnZXM7IGkrKykgewor CQlkbWFfc3luY19zaW5nbGVfZm9yX2NwdShkZXYsIHBhZ2VfdG9fcGh5cyhwYWdlc1tpXSksCisJ CQkJCVBBR0VfU0laRSwgRE1BX0JJRElSRUNUSU9OQUwpOworCX0KIAogCXZnZW1fdW5waW5fcGFn ZXMoYm8pOwogfQpAQCAtMzgyLDcgKzM4Niw3IEBAIHN0YXRpYyB2b2lkICp2Z2VtX3ByaW1lX3Zt YXAoc3RydWN0IGRybV9nZW1fb2JqZWN0ICpvYmopCiAJaWYgKElTX0VSUihwYWdlcykpCiAJCXJl dHVybiBOVUxMOwogCi0JcmV0dXJuIHZtYXAocGFnZXMsIG5fcGFnZXMsIDAsIHBncHJvdF93cml0 ZWNvbWJpbmUoUEFHRV9LRVJORUwpKTsKKwlyZXR1cm4gdm1hcChwYWdlcywgbl9wYWdlcywgMCwg UEFHRV9LRVJORUwpOwogfQogCiBzdGF0aWMgdm9pZCB2Z2VtX3ByaW1lX3Z1bm1hcChzdHJ1Y3Qg ZHJtX2dlbV9vYmplY3QgKm9iaiwgdm9pZCAqdmFkZHIpCkBAIC00MTEsNyArNDE1LDcgQEAgc3Rh dGljIGludCB2Z2VtX3ByaW1lX21tYXAoc3RydWN0IGRybV9nZW1fb2JqZWN0ICpvYmosCiAJZnB1 dCh2bWEtPnZtX2ZpbGUpOwogCXZtYS0+dm1fZmlsZSA9IGdldF9maWxlKG9iai0+ZmlscCk7CiAJ dm1hLT52bV9mbGFncyB8PSBWTV9ET05URVhQQU5EIHwgVk1fRE9OVERVTVA7Ci0Jdm1hLT52bV9w YWdlX3Byb3QgPSBwZ3Byb3Rfd3JpdGVjb21iaW5lKHZtX2dldF9wYWdlX3Byb3Qodm1hLT52bV9m bGFncykpOworCXZtYS0+dm1fcGFnZV9wcm90ID0gdm1fZ2V0X3BhZ2VfcHJvdCh2bWEtPnZtX2Zs YWdzKTsKIAogCXJldHVybiAwOwogfQotLSAKMi4yMS4wCgpfX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdm eEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFp bG1hbi9saXN0aW5mby9pbnRlbC1nZng=