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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 051D1F357DA for ; Wed, 25 Feb 2026 07:47:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 66D6610E6D7; Wed, 25 Feb 2026 07:47:51 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=suse.de header.i=@suse.de header.b="leMgShkJ"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="Y2ighZs1"; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="pzGSu68u"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="Ogq0jHd2"; dkim-atps=neutral Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.223.130]) by gabe.freedesktop.org (Postfix) with ESMTPS id CCFAC10E6D0 for ; Wed, 25 Feb 2026 07:47:47 +0000 (UTC) Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 9F5673F6B9; Wed, 25 Feb 2026 07:47:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1772005666; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=GXcXBIPwk/nrxk+kPcbphRuderA+jrBf/lMk0e/kpsE=; b=leMgShkJlk5p4ur3hMzfybEKC1N0iU9aocsLnvjWi3+cA1uL30lx/si4EW6ZCYoH6gPeoT tFfmZgoxNJq+EjJgyZTdng4mbNbudm2KzDlyggJmFTx1fd3w/yOhH3BPApB/iYC6Cx62Pa yY4Aoj/8GrHHfPOAKscWF7J1A3Ffktg= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1772005666; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=GXcXBIPwk/nrxk+kPcbphRuderA+jrBf/lMk0e/kpsE=; b=Y2ighZs1rg8EA5UuhIU4GrECATcZBkJijyD6jVyVEdt3errugpZKyRl4rG1ARwrbBSH+dd e5AZyla2K5uetHDw== Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=pzGSu68u; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=Ogq0jHd2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1772005664; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=GXcXBIPwk/nrxk+kPcbphRuderA+jrBf/lMk0e/kpsE=; b=pzGSu68u82Z0solw9fxyCUoVHyZTVwp6L++uAGEc7qt2ZYrdbA+rWP1PLjPRIHZnTQF8zN IogQhh4/WpsS3WLuLIIQlDgxNSg1WBYMw0M2xxSMi0lahz0zBF9jsq5llQihgmT8ecTYdj dNFepfQ5cpQUUrpPIOeACtm1KMC7SAg= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1772005664; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=GXcXBIPwk/nrxk+kPcbphRuderA+jrBf/lMk0e/kpsE=; b=Ogq0jHd2GoilRSdExkitCBaoxySgK1KaEfZ4dX1WeTC1BjitDAnfgef6p5Q/4aAsw3MLFr bx1ukKMVuhHzVLDQ== Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 5E55A3EA65; Wed, 25 Feb 2026 07:47:44 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id m+aRFSCpnmmuLgAAD6G6ig (envelope-from ); Wed, 25 Feb 2026 07:47:44 +0000 Message-ID: <131b54f7-a611-4a02-aca8-5613643a6276@suse.de> Date: Wed, 25 Feb 2026 08:47:43 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] drm/dumb-buffers: document that it's only for linear FB To: Icenowy Zheng , Maarten Lankhorst , Maxime Ripard , David Airlie , Simona Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20260225061315.1003811-1-zhengxingda@iscas.ac.cn> <6515820a-3bb3-4868-9b30-9c1f80709ab2@suse.de> <35fba9692636a2f6ba9fabc8e67f5684a54b17f1.camel@iscas.ac.cn> Content-Language: en-US From: Thomas Zimmermann Autocrypt: addr=tzimmermann@suse.de; keydata= xsBNBFs50uABCADEHPidWt974CaxBVbrIBwqcq/WURinJ3+2WlIrKWspiP83vfZKaXhFYsdg XH47fDVbPPj+d6tQrw5lPQCyqjwrCPYnq3WlIBnGPJ4/jreTL6V+qfKRDlGLWFjZcsrPJGE0 BeB5BbqP5erN1qylK9i3gPoQjXGhpBpQYwRrEyQyjuvk+Ev0K1Jc5tVDeJAuau3TGNgah4Yc hdHm3bkPjz9EErV85RwvImQ1dptvx6s7xzwXTgGAsaYZsL8WCwDaTuqFa1d1jjlaxg6+tZsB 9GluwvIhSezPgnEmimZDkGnZRRSFiGP8yjqTjjWuf0bSj5rUnTGiyLyRZRNGcXmu6hjlABEB AAHNJ1Rob21hcyBaaW1tZXJtYW5uIDx0emltbWVybWFubkBzdXNlLmRlPsLAjgQTAQgAOAIb AwULCQgHAgYVCgkICwIEFgIDAQIeAQIXgBYhBHIX+6yM6c9jRKFo5WgNwR1TC3ojBQJftODH AAoJEGgNwR1TC3ojx1wH/0hKGWugiqDgLNXLRD/4TfHBEKmxIrmfu9Z5t7vwUKfwhFL6hqvo lXPJJKQpQ2z8+X2vZm/slsLn7J1yjrOsoJhKABDi+3QWWSGkaGwRJAdPVVyJMfJRNNNIKwVb U6B1BkX2XDKDGffF4TxlOpSQzdtNI/9gleOoUA8+jy8knnDYzjBNOZqLG2FuTdicBXblz0Mf vg41gd9kCwYXDnD91rJU8tzylXv03E75NCaTxTM+FBXPmsAVYQ4GYhhgFt8S2UWMoaaABLDe 7l5FdnLdDEcbmd8uLU2CaG4W2cLrUaI4jz2XbkcPQkqTQ3EB67hYkjiEE6Zy3ggOitiQGcqp j//OwE0EWznS4AEIAMYmP4M/V+T5RY5at/g7rUdNsLhWv1APYrh9RQefODYHrNRHUE9eosYb T6XMryR9hT8XlGOYRwKWwiQBoWSDiTMo/Xi29jUnn4BXfI2px2DTXwc22LKtLAgTRjP+qbU6 3Y0xnQN29UGDbYgyyK51DW3H0If2a3JNsheAAK+Xc9baj0LGIc8T9uiEWHBnCH+RdhgATnWW GKdDegUR5BkDfDg5O/FISymJBHx2Dyoklv5g4BzkgqTqwmaYzsl8UxZKvbaxq0zbehDda8lv hFXodNFMAgTLJlLuDYOGLK2AwbrS3Sp0AEbkpdJBb44qVlGm5bApZouHeJ/+n+7r12+lqdsA EQEAAcLAdgQYAQgAIAIbDBYhBHIX+6yM6c9jRKFo5WgNwR1TC3ojBQJftOH6AAoJEGgNwR1T C3ojVSkIALpAPkIJPQoURPb1VWjh34l0HlglmYHvZszJWTXYwavHR8+k6Baa6H7ufXNQtThR yIxJrQLW6rV5lm7TjhffEhxVCn37+cg0zZ3j7zIsSS0rx/aMwi6VhFJA5hfn3T0TtrijKP4A SAQO9xD1Zk9/61JWk8OysuIh7MXkl0fxbRKWE93XeQBhIJHQfnc+YBLprdnxR446Sh8Wn/2D Ya8cavuWf2zrB6cZurs048xe0UbSW5AOSo4V9M0jzYI4nZqTmPxYyXbm30Kvmz0rYVRaitYJ 4kyYYMhuULvrJDMjZRvaNe52tkKAvMevcGdt38H4KSVXAylqyQOW5zvPc4/sq9c= In-Reply-To: <35fba9692636a2f6ba9fabc8e67f5684a54b17f1.camel@iscas.ac.cn> Content-Type: text/plain; charset="utf-8"; format="flowed" Content-Transfer-Encoding: base64 X-Rspamd-Action: no action X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Spamd-Result: default: False [-4.51 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-0.990]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; FREEMAIL_TO(0.00)[iscas.ac.cn,linux.intel.com,kernel.org,gmail.com,ffwll.ch]; RBL_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:104:10:150:64:97:from]; ARC_NA(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[]; DKIM_TRACE(0.00)[suse.de:+]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; SPAMHAUS_XBL(0.00)[2a07:de40:b281:104:10:150:64:97:from]; MID_RHS_MATCH_FROM(0.00)[]; RECEIVED_SPAMHAUS_BLOCKED_OPENRESOLVER(0.00)[2a07:de40:b281:106:10:150:64:167:received]; RCPT_COUNT_SEVEN(0.00)[7]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:url, suse.de:dkim, suse.de:mid, iscas.ac.cn:email, bootlin.com:url] X-Rspamd-Queue-Id: 9F5673F6B9 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" CgpBbSAyNS4wMi4yNiB1bSAwODozOCBzY2hyaWViIEljZW5vd3kgWmhlbmc6Cj4g5ZyoIDIwMjYt MDItMjXkuInnmoQgMDg6MjYgKzAxMDDvvIxUaG9tYXMgWmltbWVybWFubuWGmemBk++8mgo+PiBI aSwKPj4KPj4gQW0gMjUuMDIuMjYgdW0gMDc6MTMgc2NocmllYiBJY2Vub3d5IFpoZW5nOgo+Pj4g VGhlIGlvY3RsIGludGVyZmFjZXMgZm9yIGR1bWIgYnVmZmVycyBjdXJyZW50bHkgb25seSBwcm9w ZXJseQo+Pj4gc3VwcG9ydAo+Pj4gbGluZWFyIGJ1ZmZlcnMuCj4+Pgo+Pj4gTWVudGlvbiB0aGlz IGluIHRoZSBkb2N1bWVudGF0aW9uIHNuaXBwZXQgb2YgZHVtYi1idWZmZXJzIHNvdXJjZQo+Pj4g Y29kZSwKPj4+IHdoaWNoIGlzIHJlZmVyZW5jZWQgYnkgZHJtLWttcy5yc3QgYW5kIHdpbGwgZW5k IHVwIGluIHRoZSBidWlsdAo+Pj4ga2VybmVsCj4+PiBkb2N1bWVudGF0aW9uLgo+Pj4KPj4+IEFs c28gbWVudGlvbiB0aGUgZXhpc3RlbmNlIG9mIGN1cnJlbnQgZHJpdmVycyBhYnVzaW5nIGR1bWIg YnVmZmVycwo+Pj4gZm9yCj4+PiBBRkJDIHRvIHJlZHVjZSBjb25mdXNpb24gYWJvdXQgdGhpcy4K Pj4+Cj4+PiBTaWduZWQtb2ZmLWJ5OiBJY2Vub3d5IFpoZW5nIDx6aGVuZ3hpbmdkYUBpc2Nhcy5h Yy5jbj4KPj4+IC0tLQo+Pj4gIMKgIGRyaXZlcnMvZ3B1L2RybS9kcm1fZHVtYl9idWZmZXJzLmMg fCA3ICsrKysrKy0KPj4gV2UgZG9jdW1lbnRlZCB0aGUgbWVhbmluZyBvZiB0aGUgY29sb3IgYml0 cyBhbmQgdGhlIGJlaGF2aW9yIG9mIHRoZQo+PiBkdW1iLWJ1ZmZlciBpbnRlcmZhY2UgYXQgWzFd LiBJZiBhbnl0aGluZyBpcyBtaXNzaW5nLCBpdCBzaG91bGQgYmUKPj4gYWRkZWQKPj4gdGhlcmUu Cj4gWWVzLCBJIHNhdyB0aGlzIHBpZWNlIG9mIGRvY3VtZW50OyBob3dldmVyIGl0J3MgcGFydCBv ZiB0aGUgaW50ZXJmYWNlCj4gZG9jdW1lbnQgaW5zdGVhZCBvZiBhIGNvbmNlcHQgZG9jdW1lbnQs IGFuZCB0aGUgd2hvbGUgZXhpc3RlbmNlIG9mIHRoZQoKV2hhdCBpcyBhIGNvbmNlcHQgZG9jdW1l bnQ/Cgo+IGRvY3VtZW50IHNuaXBwZXQgSSBhbSBjaGFuZ2luZyBjYW4gYmUgY29uc2lkZXJlZCBh IGR1cGxpY2F0ZSBvZiB0aGUKPiBpbnRlcmZhY2UgZG9jdW1lbnQuCj4KPiBUaGFua3MKPiBJY2Vu b3d5Cj4KPj4gQmVzdCByZWdhcmRzCj4+IFRob21hcwo+Pgo+PiBbMV0KPj4gaHR0cHM6Ly9lbGl4 aXIuYm9vdGxpbi5jb20vbGludXgvdjYuMTkvc291cmNlL2luY2x1ZGUvdWFwaS9kcm0vZHJtX21v ZGUuaCNMMTIwMAo+Pgo+Pj4gIMKgIDEgZmlsZSBjaGFuZ2VkLCA2IGluc2VydGlvbnMoKyksIDEg ZGVsZXRpb24oLSkKPj4+Cj4+PiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL2RybV9kdW1i X2J1ZmZlcnMuYwo+Pj4gYi9kcml2ZXJzL2dwdS9kcm0vZHJtX2R1bWJfYnVmZmVycy5jCj4+PiBp bmRleCBlMmI2MmU1ZmI4OTFiLi4wNmY3NDQ2MGFkZjYyIDEwMDY0NAo+Pj4gLS0tIGEvZHJpdmVy cy9ncHUvZHJtL2RybV9kdW1iX2J1ZmZlcnMuYwo+Pj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2Ry bV9kdW1iX2J1ZmZlcnMuYwo+Pj4gQEAgLTU3LDcgKzU3LDEyIEBACj4+PiAgwqDCoCAqCj4+PiAg wqDCoCAqIE5vdGUgdGhhdCBkdW1iIG9iamVjdHMgbWF5IG5vdCBiZSB1c2VkIGZvciBncHUgYWNj ZWxlcmF0aW9uLAo+Pj4gYXMgaGFzIGJlZW4KPj4+ICDCoMKgICogYXR0ZW1wdGVkIG9uIHNvbWUg QVJNIGVtYmVkZGVkIHBsYXRmb3Jtcy4gU3VjaCBkcml2ZXJzIHJlYWxseQo+Pj4gbXVzdCBoYXZl Cj4+PiAtICogYSBoYXJkd2FyZS1zcGVjaWZpYyBpb2N0bCB0byBhbGxvY2F0ZSBzdWl0YWJsZSBi dWZmZXIgb2JqZWN0cy4KPj4+ICsgKiBhIGhhcmR3YXJlLXNwZWNpZmljIGlvY3RsIHRvIGFsbG9j YXRlIHN1aXRhYmxlIGJ1ZmZlciBvYmplY3RzLgo+Pj4gVGhleSBhcmUKPj4+ICsgKiBhbHNvIGN1 cnJlbnRseSBtZWFudCBmb3Igb25seSBsaW5lYXIgYnVmZmVycywgYW5kIHVzaW5nIHRoZW0KPj4+ IHdpdGggYW55Cj4+PiArICogbW9kaWZpZXIgb3RoZXIgdGhhbiBEUk1fRk9STUFUX01PRF9MSU5F QVIgaXMgdW5kZWZpbmVkCj4+PiBiZWhhdmlvci4gVGhlcmUKPj4+ICsgKiBleGlzdCBzb21lIEtN UyBkcml2ZXJzIGFidXNpbmcgZHVtYiBvYmplY3RzIGZvciBBRkJDCj4+PiBmcmFtZWJ1ZmZlcnMs IGJ1dCB0aGlzCj4+PiArICogYmVoYXZpb3IgaXMgZGlzY291cmFnZWQsIG9ubHkgZXhpc3RzIGFz IGEgaGFjayBub3cgYW5kCj4+PiBzaG91bGRuJ3QgYmUKPj4+ICsgKiByZXBsaWNhdGVkLgo+Pj4g IMKgwqAgKi8KPj4+ICAgIAo+Pj4gIMKgIHN0YXRpYyBpbnQgZHJtX21vZGVfYWxpZ25fZHVtYihz dHJ1Y3QgZHJtX21vZGVfY3JlYXRlX2R1bWIgKmFyZ3MsCgotLSAKLS0KVGhvbWFzIFppbW1lcm1h bm4KR3JhcGhpY3MgRHJpdmVyIERldmVsb3BlcgpTVVNFIFNvZnR3YXJlIFNvbHV0aW9ucyBHZXJt YW55IEdtYkgKRnJhbmtlbnN0ci4gMTQ2LCA5MDQ2MSBOw7xybmJlcmcsIEdlcm1hbnksIHd3dy5z dXNlLmNvbQpHRjogSm9jaGVuIEphc2VyLCBBbmRyZXcgTWNEb25hbGQsIFdlcm5lciBLbm9ibGlj aCwgKEhSQiAzNjgwOSwgQUcgTsO8cm5iZXJnKQoKCg==