From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Sinclair Yeh" Subject: [PATCH 1/2] drm/vmwgfx: Work around mode set failure in 2D VMs Date: Wed, 29 Jun 2016 17:14:47 -0700 Message-ID: <1467245688-24449-2-git-send-email-syeh@vmware.com> References: <1467245688-24449-1-git-send-email-syeh@vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from smtp-outbound-1.vmware.com (smtp-outbound-1.vmware.com [208.91.2.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id D69666E7AC for ; Thu, 30 Jun 2016 00:16:07 +0000 (UTC) In-Reply-To: <1467245688-24449-1-git-send-email-syeh@vmware.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: linux-graphics-maintainer@vmware.com, stable@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org SW4gYSBsb3ctbWVtb3J5IDJEIFZNLCBmYmRldiBjYW4gdGFrZSB1cCBhIGxhcmdlIHBlcmNlbnRh Z2Ugb2YKYXZhaWxhYmxlIG1lbW9yeSwgbWFraW5nIHRoZW0gdW5hdmFpbGFibGUgZm9yIG90aGVy IERSTSBjbGllbnRzLgoKU2luY2Ugd2UgZG8gbm90IHRha2UgZmJkZXYgaW50byBhY2NvdW50IHdo ZW4gZmlsdGVyaW5nIG1vZGVzLAp3ZSBlbmQgdXAgY2xhaW1pbmcgdG8gc3VwcG9ydCBtb3JlIG1v ZGVzIHRoYW4gd2UgYWN0dWFsbHkgZG8uCgpUaGUgY3VycmVudCBtb2RlIGZpbHRlcmluZyBtZWNo YW5pc20ga2V5cyBvZmYgb2YKU1ZHQV9SRUdfU1VHR0VTVEVEX0dCT0JKRUNUX01FTV9TSVpFX0tC LCBpLmUuIHRoZSBtYXhpbXVtIGFtb3VudApvZiBzdXJmYWNlIG1lbW9yeSB3ZSBoYXZlLiAgU2lu Y2UgdGhpcyB2YWx1ZSBpcyBhIHBlcmZvcm1hbmNlCnN1Z2dlc3Rpb24sIG5vdCBhIGhhcmQgbGlt aXQsIGFuZCBzaW5jZSB0aGVyZSBzaG91bGQgbm90IGJlIG11Y2gKb2YgYSBwZXJmb3JtYW5jZSBp bXBhY3QgZm9yIGEgMkQgVk0sIHJhdGhlciB0aGFuIGZpbHRlcmluZyBvdXQKbW9yZSBtb2Rlcywg d2Ugd2lsbCBqdXN0IGFsbG93IG91cnNlbHZlcyB0byBleGNlZWQgdGhlIFNWR0EncwpwZXJmb3Jt YW5jZSBzdWdnZXN0aW9uLgoKQWxzbyBjaGFuZ2VkIGFzc3VtZWQgYnBwIHRvIDMyIGZyb20gMTYg dG8gbWFrZSBzdXJlIHdlIGNhbgphY3R1YWxseSBzdXBwb3J0IGFsbCB0aGUgbW9kZXMgbGlzdGVk LgoKU2lnbmVkLW9mZi1ieTogU2luY2xhaXIgWWVoIDxzeWVoQHZtd2FyZS5jb20+ClJldmlld2Vk LWJ5OiBUaG9tYXMgSGVsbHN0cm9tIDx0aGVsbHN0cm9tQHZtd2FyZS5jb20+CkNjOiA8c3RhYmxl QHZnZXIua2VybmVsLm9yZz4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vdm13Z2Z4L3Ztd2dmeF9kcnYu YyB8IDcgKysrKysrKwogZHJpdmVycy9ncHUvZHJtL3Ztd2dmeC92bXdnZnhfa21zLmMgfCA5ICst LS0tLS0tLQogMiBmaWxlcyBjaGFuZ2VkLCA4IGluc2VydGlvbnMoKyksIDggZGVsZXRpb25zKC0p CgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL3Ztd2dmeC92bXdnZnhfZHJ2LmMgYi9kcml2 ZXJzL2dwdS9kcm0vdm13Z2Z4L3Ztd2dmeF9kcnYuYwppbmRleCA5ZmNkODIwLi5mYzlhZDAwIDEw MDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vdm13Z2Z4L3Ztd2dmeF9kcnYuYworKysgYi9kcml2 ZXJzL2dwdS9kcm0vdm13Z2Z4L3Ztd2dmeF9kcnYuYwpAQCAtNzA2LDYgKzcwNiwxMyBAQCBzdGF0 aWMgaW50IHZtd19kcml2ZXJfbG9hZChzdHJ1Y3QgZHJtX2RldmljZSAqZGV2LCB1bnNpZ25lZCBs b25nIGNoaXBzZXQpCiAJCQl2bXdfcmVhZChkZXZfcHJpdiwKIAkJCQkgU1ZHQV9SRUdfU1VHR0VT VEVEX0dCT0JKRUNUX01FTV9TSVpFX0tCKTsKIAorCQkvKgorCQkgKiBXb3JrYXJvdW5kIGZvciBs b3cgbWVtb3J5IDJEIFZNcyB0byBjb21wZW5zYXRlIGZvciB0aGUKKwkJICogYWxsb2NhdGlvbiB0 YWtlbiBieSBmYmRldgorCQkgKi8KKwkJaWYgKCEoZGV2X3ByaXYtPmNhcGFiaWxpdGllcyAmIFNW R0FfQ0FQXzNEKSkKKwkJCW1lbV9zaXplICo9IDI7CisKIAkJZGV2X3ByaXYtPm1heF9tb2JfcGFn ZXMgPSBtZW1fc2l6ZSAqIDEwMjQgLyBQQUdFX1NJWkU7CiAJCWRldl9wcml2LT5wcmltX2JiX21l bSA9CiAJCQl2bXdfcmVhZChkZXZfcHJpdiwKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS92 bXdnZngvdm13Z2Z4X2ttcy5jIGIvZHJpdmVycy9ncHUvZHJtL3Ztd2dmeC92bXdnZnhfa21zLmMK aW5kZXggNTUyMzFjYy4uMDc3ZjE2ZCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL3Ztd2dm eC92bXdnZnhfa21zLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL3Ztd2dmeC92bXdnZnhfa21zLmMK QEAgLTE1NTMsMTQgKzE1NTMsNyBAQCBpbnQgdm13X2R1X2Nvbm5lY3Rvcl9maWxsX21vZGVzKHN0 cnVjdCBkcm1fY29ubmVjdG9yICpjb25uZWN0b3IsCiAJCURSTV9NT0RFX0ZMQUdfTkhTWU5DIHwg RFJNX01PREVfRkxBR19QVlNZTkMpCiAJfTsKIAlpbnQgaTsKLQl1MzIgYXNzdW1lZF9icHAgPSAy OwotCi0JLyoKLQkgKiBJZiB1c2luZyBzY3JlZW4gb2JqZWN0cywgdGhlbiBhc3N1bWUgMzItYnBw IGJlY2F1c2UgdGhhdCdzIHdoYXQgdGhlCi0JICogU1ZHQSBkZXZpY2UgaXMgYXNzdW1pbmcKLQkg Ki8KLQlpZiAoZGV2X3ByaXYtPmFjdGl2ZV9kaXNwbGF5X3VuaXQgPT0gdm13X2R1X3NjcmVlbl9v YmplY3QpCi0JCWFzc3VtZWRfYnBwID0gNDsKKwl1MzIgYXNzdW1lZF9icHAgPSA0OwogCiAJaWYg KGRldl9wcml2LT5hY3RpdmVfZGlzcGxheV91bml0ID09IHZtd19kdV9zY3JlZW5fdGFyZ2V0KSB7 CiAJCW1heF93aWR0aCAgPSBtaW4obWF4X3dpZHRoLCAgZGV2X3ByaXYtPnN0ZHVfbWF4X3dpZHRo KTsKLS0gCjIuNy40CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2 ZWwK