From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0333FCD6E4A for ; Sat, 30 May 2026 11:35:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Reply-To:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: References:In-Reply-To:Cc:To:Subject:From:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=3Rah/MJm6OJ/G4qHC+Vcb9e43uZFMMf8mVIM/7GYaNw=; b=cDByKbk2HBI8cu NATHdslv7DGwWPffoeChDKz3R3v80XKkj/hBaOc+9INFbVTXiIn146Zbr/Bk9GIT7U/c0axvLqptW Gb/Fbi6mDAe3SasEbfJ7QxKAwrEWhibpfc6F0XPjt6puIb/toFy/vaX5R08cIApOuS6MkEQ8BzHsn EPu8S98TwiASumEuIPHYjl1swBmHA0KvdIepGVw2QcWNaxhH2Qv5FqBP1UmNTyl06uukVMTWDHXH2 RIdLJDIrLj+ma5s7HG/hAM3veSYMbv6nOLHiTm3zpqv/OydUs6LQk9jDNWjHdjNFtBT8crRpLssv1 qTGlzRqPWqYpy9q9uVuA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wTHyc-00000008gex-0tdT; Sat, 30 May 2026 11:35:38 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wTHya-00000008geZ-3xFi for linux-amlogic@lists.infradead.org; Sat, 30 May 2026 11:35:37 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 1062C600AB; Sat, 30 May 2026 11:35:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D3611F00893; Sat, 30 May 2026 11:35:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780140935; bh=Yc77usDQiigwdpgTMTiMuOA07l23X/cNQcNayeUOeQo=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=TSWS4knbk7cSeJgo8H+6wyxrc2ivB7BhmdvAMtz2WDM8wLsnbhmKQQcg4bu/E4UJA rGbg80Nwk3QGAlCfUDgXUq9A2EJflkbesc0Lf1TMlWDVc3QpNQeuAxd3vtC27nWpnq ADfgt9dbpulnjY58BfcHxk4w2W3V2HNQQG0sB+mkO6QBu8G9rbERADWrtyD1/LYssQ Rt8gk+hkJGoLScYGC3vD3dP+FLlzBNmTzOVfOlAknA8aUej1b29Dj9evKYE+0mim4n o6VSLHIvpAdG+0NHfbV6h8jZ7gTsmfFHuWDL93cNnk4gO6xrPjhQDoXrr80asD76sF 8P6sBT6VpqZmw== From: sashiko-bot@kernel.org Subject: Re: [PATCH v6 8/8] gpu: drm: meson: Fix DMA max segment size for DMABUF imports To: "Anand Moon" Cc: neil.armstrong@linaro.org, linux-media@vger.kernel.org, linux-amlogic@lists.infradead.org In-Reply-To: <20260530094326.11892-9-linux.amoon@gmail.com> References: <20260530094326.11892-9-linux.amoon@gmail.com> Date: Sat, 30 May 2026 11:35:34 +0000 Message-Id: <20260530113535.1D3611F00893@smtp.kernel.org> X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: sashiko-reviews@lists.linux.dev MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org VGhhbmsgeW91IGZvciB5b3VyIGNvbnRyaWJ1dGlvbiEgU2FzaGlrbyBBSSByZXZpZXcgZm91bmQg MyBwb3RlbnRpYWwgaXNzdWUocykgdG8gY29uc2lkZXI6CgpQcmUtZXhpc3RpbmcgaXNzdWVzOgot IFtIaWdoXSBEZXJlZmVyZW5jaW5nIGEgTlVMTCBgcHJpdmAgcG9pbnRlciBvbiB0aGUgYGRldm1f a3phbGxvY2AgZXJyb3IgcGF0aC4KLSBbSGlnaF0gTWlzc2luZyBgZHJtX2JyaWRnZV9yZW1vdmUo KWAgb24gZW5jb2RlciBwcm9iZSBlcnJvciBwYXRocyBsZWF2ZXMgYSBkYW5nbGluZyBicmlkZ2Ug aW4gdGhlIGdsb2JhbCBEUk0gbGlzdCwgbGVhZGluZyB0byBhIFVzZS1BZnRlci1GcmVlLgotIFtI aWdoXSBQcmVtYXR1cmVseSBkcm9wcGluZyB0aGUgY2FudmFzIGRldmljZSByZWZlcmVuY2Ugd2l0 aG91dCBhIGRldmljZSBsaW5rIGNhdXNlcyBhIFVzZS1BZnRlci1GcmVlIGlmIHRoZSBjYW52YXMg ZHJpdmVyIGlzIHVuYm91bmQuCi0tCgpjb21taXQgYTM1NDdjNjM2NmJmZDMwZDE3Y2I5MWU2ODdi OGVkMGM1M2MyNDE0NgpBdXRob3I6IEFuYW5kIE1vb24gPGxpbnV4LmFtb29uQGdtYWlsLmNvbT4K CmdwdTogZHJtOiBtZXNvbjogRml4IERNQSBtYXggc2VnbWVudCBzaXplIGZvciBETUFCVUYgaW1w b3J0cwoKV2hlbiB1c2luZyBoYXJkd2FyZS1hY2NlbGVyYXRlZCB2aWRlbyBkZWNvZGluZyB2aWEg djRsMm0ybS1jb3B5IHdpdGggbXB2IG9yCnNpbWlsYXIgcGxheWVycywgdGhlIHZpZGVvIGRlY29k ZXIgZHJpdmVyIChtZXNvbl92ZGVjKSBleHBvcnRzIGNvbnRpZ3VvdXMKbWVtb3J5IGFsbG9jYXRp b25zIGFzIERNQUJVRnMuIFdoZW4gdGhlc2UgYnVmZmVycyBhcmUgc3Vic2VxdWVudGx5IGltcG9y dGVkCmJ5IHRoZSBkaXNwbGF5IGNvbnRyb2xsZXIgZHJpdmVyIChtZXNvbi1kcm0pIGZvciByZW5k ZXJpbmcgdmlhIHRoZSBHUFUgb3IKY29tcG9zaXRvciwgdGhlIERNQSBBUEkgdGhyb3dzIGNvbnN0 cmFpbnQgdmFsaWRhdGlvbiB3YXJuaW5ncy4KCj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2Ry bS9tZXNvbi9tZXNvbl9kcnYuYyBiL2RyaXZlcnMvZ3B1L2RybS9tZXNvbi9tZXNvbl9kcnYuYwo+ IGluZGV4IDQ5ZmY5ZjFmMTZkMzIuLjg1NzBhZGQ4YjgzMTUgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVy cy9ncHUvZHJtL21lc29uL21lc29uX2Rydi5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL21lc29u L21lc29uX2Rydi5jCj4gQEAgLTI0Nyw2ICsyNDcsOCBAQCBzdGF0aWMgaW50IG1lc29uX2Rydl9i aW5kX21hc3RlcihzdHJ1Y3QgZGV2aWNlICpkZXYsIGJvb2wgaGFzX2NvbXBvbmVudHMpCj4gIAkJ Z290byBmcmVlX2RybTsKPiAgCX0KCltTZXZlcml0eTogSGlnaF0KVGhpcyBpcyBhIHByZS1leGlz dGluZyBpc3N1ZSwgYnV0IGRvZXMgdGhlIGVycm9yIHBhdGggaW4KbWVzb25fZHJ2X2JpbmRfbWFz dGVyKCkgY2F1c2UgYSBOVUxMIHBvaW50ZXIgZGVyZWZlcmVuY2U/CgpJZiBkZXZtX2t6YWxsb2Mo KSBmYWlscyBlYXJsaWVyIGluIHRoaXMgZnVuY3Rpb246Cgpkcml2ZXJzL2dwdS9kcm0vbWVzb24v bWVzb25fZHJ2LmM6bWVzb25fZHJ2X2JpbmRfbWFzdGVyKCkgewogICAgLi4uCglwcml2ID0gZGV2 bV9remFsbG9jKGRldiwgc2l6ZW9mKCpwcml2KSwgR0ZQX0tFUk5FTCk7CglpZiAoIXByaXYpIHsK CQlyZXQgPSAtRU5PTUVNOwoJCWdvdG8gZnJlZV9kcm07Cgl9CiAgICAuLi4KfQoKSXQganVtcHMg dG8gdGhlIGZyZWVfZHJtIGxhYmVsIHdpdGggcHJpdiBzZXQgdG8gTlVMTC4gVGhlIGNsZWFudXAg cGF0aApzZXF1ZW50aWFsbHkgY2FsbHMgbWVzb25fZW5jb2Rlcl9kc2lfcmVtb3ZlKHByaXYpLApt ZXNvbl9lbmNvZGVyX2hkbWlfcmVtb3ZlKHByaXYpLCBhbmQgbWVzb25fZW5jb2Rlcl9jdmJzX3Jl bW92ZShwcml2KS4KCkNhbiB0aGlzIGNhdXNlIGEga2VybmVsIHBhbmljIHdoZW4gdGhlc2UgZnVu Y3Rpb25zIHVuY29uZGl0aW9uYWxseSBkZXJlZmVyZW5jZQpwcml2LCBzdWNoIGFzIGhlcmUgaW4g bWVzb25fZW5jb2Rlcl9kc2lfcmVtb3ZlKCk/Cgpkcml2ZXJzL2dwdS9kcm0vbWVzb24vbWVzb25f ZW5jb2Rlcl9kc2kuYzptZXNvbl9lbmNvZGVyX2RzaV9yZW1vdmUoKSB7CiAgICAuLi4KCWlmIChw cml2LT5lbmNvZGVyc1tNRVNPTl9FTkNfRFNJXSkgewogICAgLi4uCn0KCltTZXZlcml0eTogSGln aF0KVGhpcyBpcyBhIHByZS1leGlzdGluZyBpc3N1ZSwgYnV0IGRvZXMgbWVzb25fY2FudmFzX2dl dCgpIGxlYXZlIHRoZSBzeXN0ZW0KdnVsbmVyYWJsZSB0byBhIHVzZS1hZnRlci1mcmVlPwoKTG9v a2luZyBhdCBtZXNvbl9jYW52YXNfZ2V0KCkgaW4gZHJpdmVycy9zb2MvYW1sb2dpYy9tZXNvbi1j YW52YXMuYywgdGhlCmRldmljZSByZWZlcmVuY2UgaXMgZHJvcHBlZCBhZnRlciBleHRyYWN0aW5n IHRoZSBjYW52YXMgcG9pbnRlcjoKCmRyaXZlcnMvc29jL2FtbG9naWMvbWVzb24tY2FudmFzLmM6 bWVzb25fY2FudmFzX2dldCgpIHsKICAgIC4uLgoJY2FudmFzID0gZGV2X2dldF9kcnZkYXRhKCZj YW52YXNfcGRldi0+ZGV2KTsKCXB1dF9kZXZpY2UoJmNhbnZhc19wZGV2LT5kZXYpOwoJaWYgKCFj YW52YXMpCiAgICAuLi4KfQoKU2luY2Ugbm8gZGV2aWNlX2xpbmtfYWRkKCkgaXMgdXNlZCB0byB0 cmFjayB0aGUgZGVwZW5kZW5jeSBiZXR3ZWVuIHRoZSBEUk0KZHJpdmVyIGFuZCB0aGUgY2FudmFz IGRyaXZlciwgdGhlIGRyaXZlciBjb3JlIHBlcm1pdHMgdW5iaW5kaW5nIHRoZQphbWxvZ2ljLWNh bnZhcyBkcml2ZXIuCgpXb3VsZCBkb2luZyBzbyBmcmVlIGl0cyBkZXZtLW1hbmFnZWQgbWVtb3J5 IGFuZCBsZWF2ZSBtZXNvbi1kcm0gd2l0aCBhCmRhbmdsaW5nIHBvaW50ZXIgdGhhdCBjYXVzZXMg YSB1c2UtYWZ0ZXItZnJlZSB3aGVuIGRlcmVmZXJlbmNlZCBsYXRlciwgc3VjaAphcyB3aGVuIGxv Y2tpbmcgY2FudmFzLT5sb2NrIGluIG1lc29uX2NhbnZhc19hbGxvYygpPwoKW1NldmVyaXR5OiBI aWdoXQpUaGlzIGlzIGEgcHJlLWV4aXN0aW5nIGlzc3VlLCBidXQgZG9lcyBtZXNvbl9lbmNvZGVy X2N2YnNfcHJvYmUoKSBsZWFrIGEKYnJpZGdlIHJlZmVyZW5jZSBvbiBlcnJvciBwYXRocz8KCklu IGRyaXZlcnMvZ3B1L2RybS9tZXNvbi9tZXNvbl9lbmNvZGVyX2N2YnMuYywgdGhlIGJyaWRnZSBp cyBhZGRlZCBnbG9iYWxseToKCmRyaXZlcnMvZ3B1L2RybS9tZXNvbi9tZXNvbl9lbmNvZGVyX2N2 YnMuYzptZXNvbl9lbmNvZGVyX2N2YnNfcHJvYmUoKSB7CiAgICAuLi4KCWRybV9icmlkZ2VfYWRk KCZtZXNvbl9lbmNvZGVyX2N2YnMtPmJyaWRnZSk7CgoJbWVzb25fZW5jb2Rlcl9jdmJzLT5wcml2 ID0gcHJpdjsKCgkvKiBFbmNvZGVyICovCglyZXQgPSBkcm1fc2ltcGxlX2VuY29kZXJfaW5pdChw cml2LT5kcm0sICZtZXNvbl9lbmNvZGVyX2N2YnMtPmVuY29kZXIsCgkJCQkgICAgICBEUk1fTU9E RV9FTkNPREVSX1RWREFDKTsKCWlmIChyZXQpCgkJcmV0dXJuIGRldl9lcnJfcHJvYmUocHJpdi0+ ZGV2LCByZXQsCgkJCQkgICAgICJGYWlsZWQgdG8gaW5pdCBDVkJTIGVuY29kZXJcbiIpOwogICAg Li4uCn0KCklmIGEgc3Vic2VxdWVudCBpbml0aWFsaXphdGlvbiBzdGVwIGZhaWxzLCB0aGUgZnVu Y3Rpb24gcmV0dXJucyBhbiBlcnJvcgp3aXRob3V0IGNhbGxpbmcgZHJtX2JyaWRnZV9yZW1vdmUo KS4gVGhlIG1hc3RlciBjbGVhbnVwIGZ1bmN0aW9uIGZhaWxzIHRvCnJlbW92ZSBpdCBiZWNhdXNl IHByaXYtPmVuY29kZXJzW01FU09OX0VOQ19DVkJTXSBpcyBvbmx5IHBvcHVsYXRlZCB1cG9uCnN1 Y2Nlc3NmdWwgcHJvYmUgY29tcGxldGlvbi4KCkR1cmluZyBkZXZyZXMgdGVhcmRvd24sIHRoZSBy ZWZlcmVuY2UgY291bnQgZHJvcHMgdG8gMSwgYnV0IHRoZSBicmlkZ2UgaXMKbm90IGZyZWVkLiBD YW4gdGhpcyBsZWF2ZSB0aGUgYnJpZGdlIGFjY2Vzc2libGUgaW4gdGhlIGdsb2JhbCBicmlkZ2Vf bGlzdAp3aXRoIGRhbmdsaW5nIHBvaW50ZXJzIHRvIHRoZSBmcmVlZCBwcml2IHN0cnVjdHVyZSwg bGVhZGluZyB0byBtZW1vcnkKY29ycnVwdGlvbiBpZiBhY2Nlc3NlZCBieSBvdGhlciBEUk0gc3Vi c3lzdGVtcz8KCj4gIAo+ICsJZG1hX3NldF9tYXhfc2VnX3NpemUoZGV2LCBVSU5UX01BWCk7Cj4g Kwo+ICAJcmV0ID0gbWVzb25fY2FudmFzX2FsbG9jKHByaXYtPmNhbnZhcywgJnByaXYtPmNhbnZh c19pZF9vc2QxKTsKPiAgCWlmIChyZXQpCj4gIAkJZ290byBmcmVlX2RybTsKCi0tIApTYXNoaWtv IEFJIHJldmlldyDCtyBodHRwczovL3Nhc2hpa28uZGV2LyMvcGF0Y2hzZXQvMjAyNjA1MzAwOTQz MjYuMTE4OTItMS1saW51eC5hbW9vbkBnbWFpbC5jb20/cGFydD04CgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hbWxvZ2ljIG1haWxpbmcgbGlz dApsaW51eC1hbWxvZ2ljQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVh ZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hbWxvZ2ljCg==