From mboxrd@z Thu Jan 1 00:00:00 1970 From: Geert Uytterhoeven Subject: [PATCH 3/4] fbdev: atafb: Fix broken frame buffer after kexec Date: Fri, 15 Feb 2019 09:59:00 +0100 Message-ID: <20190215085901.21479-4-geert@linux-m68k.org> References: <20190215085901.21479-1-geert@linux-m68k.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190215085901.21479-1-geert@linux-m68k.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Bartlomiej Zolnierkiewicz , Michael Schmitz Cc: Paul Gortmaker , linux-fbdev@vger.kernel.org, Geert Uytterhoeven , linux-m68k@vger.kernel.org, dri-devel@lists.freedesktop.org List-Id: linux-m68k@vger.kernel.org T24gRmFsY29uLCBBdGFyaSBmcmFtZSBidWZmZXIgaW5pdGlhbGl6YXRpb24gcmVsaWVzIG9uIHBy ZXByb2dyYW1tZWQKcmVnaXN0ZXIgdmFsdWVzLiAgVGhlc2UgcmVnaXN0ZXIgdmFsdWVzIGFyZSBj aGFuZ2VkIHRvIGJsYW5rIHRoZQpjb25zb2xlLgoKSGVuY2Ugd2hlbiB1c2luZyBrZXhlYyB0byBi b290IGludG8gYSBuZXcga2VybmVsIHdoaWxlIHRoZSBjb25zb2xlIGlzCmJsYW5rZWQsIHRoZSBu ZXcga2VybmVsIGNhbm5vdCBkZXRlcm1pbmUgdGhlIGN1cnJlbnQgdmlkZW8KY29uZmlndXJhdGlv biwgYW5kIHRoZSBBdGFyaSBmcmFtZSBidWZmZXIgZHJpdmVyIGZhaWxzIHRvIGluaXRpYWxpemU6 CgogICAgYXRhZmI6IHBoeXNfc2NyZWVuX2Jhc2UgNmNlMDAwIHNjcmVlbl9sZW4gNDA5NgoKRml4 IHRoaXMgYnkgZG9pbmcgYSBzdHJhaWdodC1mb3J3YXJkIGNvbnZlcnNpb24gb2YgdGhlIGRyaXZl ciB0byBhCnBsYXRmb3JtIGRldmljZSBkcml2ZXIsIGFuZCBhZGRpbmcgYSBzaHV0ZG93biBoYW5k bGVyIHRoYXQgdW5ibGFua3MgdGhlCmRpc3BsYXkuCgpTaWduZWQtb2ZmLWJ5OiBHZWVydCBVeXR0 ZXJob2V2ZW4gPGdlZXJ0QGxpbnV4LW02OGsub3JnPgotLS0KIGRyaXZlcnMvdmlkZW8vZmJkZXYv YXRhZmIuYyB8IDM0ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0tLS0KIDEgZmlsZSBj aGFuZ2VkLCAzMCBpbnNlcnRpb25zKCspLCA0IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2Ry aXZlcnMvdmlkZW8vZmJkZXYvYXRhZmIuYyBiL2RyaXZlcnMvdmlkZW8vZmJkZXYvYXRhZmIuYwpp bmRleCBkODIwMDdjMTEzZTYzMDNjLi40ZGI4MTY2ZDExYjMwNDA5IDEwMDY0NAotLS0gYS9kcml2 ZXJzL3ZpZGVvL2ZiZGV2L2F0YWZiLmMKKysrIGIvZHJpdmVycy92aWRlby9mYmRldi9hdGFmYi5j CkBAIC01NCw2ICs1NCw3IEBACiAjaW5jbHVkZSA8bGludXgvZGVsYXkuaD4KICNpbmNsdWRlIDxs aW51eC9pbml0Lmg+CiAjaW5jbHVkZSA8bGludXgvaW50ZXJydXB0Lmg+CisjaW5jbHVkZSA8bGlu dXgvcGxhdGZvcm1fZGV2aWNlLmg+CiAKICNpbmNsdWRlIDxhc20vc2V0dXAuaD4KICNpbmNsdWRl IDxsaW51eC91YWNjZXNzLmg+CkBAIC0zMDcyLDcgKzMwNzMsNyBAQCBpbnQgX19pbml0IGF0YWZi X3NldHVwKGNoYXIgKm9wdGlvbnMpCiAJcmV0dXJuIDA7CiB9CiAKLWludCBfX2luaXQgYXRhZmJf aW5pdCh2b2lkKQorc3RhdGljIGludCBfX2luaXQgYXRhZmJfcHJvYmUoc3RydWN0IHBsYXRmb3Jt X2RldmljZSAqcGRldikKIHsKIAlpbnQgcGFkLCBkZXRlY3RlZF9tb2RlLCBlcnJvcjsKIAl1bnNp Z25lZCBpbnQgZGVmbW9kZSA9IDA7CkBAIC0zMDg0LDkgKzMwODUsNiBAQCBpbnQgX19pbml0IGF0 YWZiX2luaXQodm9pZCkKIAlhdGFmYl9zZXR1cChvcHRpb24pOwogCXByaW50aygiYXRhZmJfaW5p dDogc3RhcnRcbiIpOwogCi0JaWYgKCFNQUNIX0lTX0FUQVJJKQotCQlyZXR1cm4gLUVOT0RFVjsK LQogCWRvIHsKICNpZmRlZiBBVEFGQl9FWFQKIAkJaWYgKGV4dGVybmFsX2FkZHIpIHsKQEAgLTMy NDcsNCArMzI0NSwzMiBAQCBpbnQgX19pbml0IGF0YWZiX2luaXQodm9pZCkKIAlyZXR1cm4gMDsK IH0KIAorc3RhdGljIHZvaWQgYXRhZmJfc2h1dGRvd24oc3RydWN0IHBsYXRmb3JtX2RldmljZSAq cGRldikKK3sKKwkvKiBVbmJsYW5rIGJlZm9yZSBrZXhlYyAqLworCWlmIChmYmh3LT5ibGFuaykK KwkJZmJody0+YmxhbmsoMCk7Cit9CisKK3N0YXRpYyBzdHJ1Y3QgcGxhdGZvcm1fZHJpdmVyIGF0 YWZiX2RyaXZlciA9IHsKKwkuc2h1dGRvd24JPSBhdGFmYl9zaHV0ZG93biwKKwkuZHJpdmVyCT0g eworCQkubmFtZQk9ICJhdGFmYiIsCisJfSwKK307CisKK3N0YXRpYyBpbnQgX19pbml0IGF0YWZi X2luaXQodm9pZCkKK3sKKwlzdHJ1Y3QgcGxhdGZvcm1fZGV2aWNlICpwZGV2OworCisJaWYgKCFN QUNIX0lTX0FUQVJJKQorCQlyZXR1cm4gLUVOT0RFVjsKKworCXBkZXYgPSBwbGF0Zm9ybV9kZXZp Y2VfcmVnaXN0ZXJfc2ltcGxlKCJhdGFmYiIsIC0xLCBOVUxMLCAwKTsKKwlpZiAoSVNfRVJSKHBk ZXYpKQorCQlyZXR1cm4gUFRSX0VSUihwZGV2KTsKKworCXJldHVybiBwbGF0Zm9ybV9kcml2ZXJf cHJvYmUoJmF0YWZiX2RyaXZlciwgYXRhZmJfcHJvYmUpOworfQorCiBkZXZpY2VfaW5pdGNhbGwo YXRhZmJfaW5pdCk7Ci0tIAoyLjE3LjEKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZy ZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3Rp bmZvL2RyaS1kZXZlbA==