From nobody Sun Feb 8 18:31:16 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 00C33C0015E for ; Thu, 13 Jul 2023 13:17:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235108AbjGMNRo (ORCPT ); Thu, 13 Jul 2023 09:17:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234791AbjGMNRb (ORCPT ); Thu, 13 Jul 2023 09:17:31 -0400 Received: from laurent.telenet-ops.be (laurent.telenet-ops.be [IPv6:2a02:1800:110:4::f00:19]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A689271F for ; Thu, 13 Jul 2023 06:17:25 -0700 (PDT) Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed40:6264:77e5:42e2:477d]) by laurent.telenet-ops.be with bizsmtp id LdHN2A00P3wy6xv01dHNpY; Thu, 13 Jul 2023 15:17:23 +0200 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtp (Exim 4.95) (envelope-from ) id 1qJwC3-001Gqo-0L; Thu, 13 Jul 2023 15:17:22 +0200 Received: from geert by rox.of.borg with local (Exim 4.95) (envelope-from ) id 1qJwCA-00GWyV-MV; Thu, 13 Jul 2023 15:17:22 +0200 From: Geert Uytterhoeven To: Javier Martinez Canillas , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH 1/8] drm/ssd130x: Fix pitch calculation in ssd130x_fb_blit_rect() Date: Thu, 13 Jul 2023 15:17:09 +0200 Message-Id: <54deec2ec533e90544faa8c60a0c2518c58f3e9c.1689252746.git.geert@linux-m68k.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The page height must be taken into account only for vertical coordinates and heights, not for horizontal coordinates and widths. Fixes: 179a790aaf2a0127 ("drm/ssd130x: Set the page height value in the dev= ice info data") Signed-off-by: Geert Uytterhoeven Reviewed-by: Javier Martinez Canillas --- drivers/gpu/drm/solomon/ssd130x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ss= d130x.c index afb08a8aa9fcdaf2..b4c376962629580b 100644 --- a/drivers/gpu/drm/solomon/ssd130x.c +++ b/drivers/gpu/drm/solomon/ssd130x.c @@ -596,7 +596,7 @@ static int ssd130x_fb_blit_rect(struct drm_framebuffer = *fb, const struct iosys_m rect->y1 =3D round_down(rect->y1, page_height); rect->y2 =3D min_t(unsigned int, round_up(rect->y2, page_height), ssd130x= ->height); =20 - dst_pitch =3D DIV_ROUND_UP(drm_rect_width(rect), page_height); + dst_pitch =3D DIV_ROUND_UP(drm_rect_width(rect), 8); =20 ret =3D drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE); if (ret) --=20 2.34.1