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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1755764546; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EGdQCJTAJonWrK7A3SIV2WBOFqYns5b0kXahZKMX9F4=; b=zqMovemcQ2URK/snj1BBYYshh3+IoTCbuX2CLjy/NksYBTrHq4/jfdX0ANr2/PiVKxDzvn V8NIsj9sLtZfQUAw== From: Thomas Zimmermann To: simona@ffwll.ch, airlied@gmail.com, mripard@kernel.org, maarten.lankhorst@linux.intel.com, geert@linux-m68k.org, tomi.valkeinen@ideasonboard.com Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, imx@lists.linux.dev, linux-samsung-soc@vger.kernel.org, nouveau@lists.freedesktop.org, virtualization@lists.linux.dev, spice-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-tegra@vger.kernel.org, intel-xe@lists.freedesktop.org, xen-devel@lists.xenproject.org, Thomas Zimmermann , Oleksandr Andrushchenko Subject: [PATCH v6 24/25] drm/xen: Compute dumb-buffer sizes with drm_mode_size_dumb() Date: Thu, 21 Aug 2025 10:17:31 +0200 Message-ID: <20250821081918.79786-25-tzimmermann@suse.de> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250821081918.79786-1-tzimmermann@suse.de> References: <20250821081918.79786-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spam-Level: X-Spam-Flag: NO X-Rspamd-Queue-Id: 9495A22654 X-Rspamd-Action: no action X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spamd-Result: default: False [-1.51 / 50.00]; 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charset="utf-8" Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and buffer size. Align the pitch to a multiple of 8. Signed-off-by: Thomas Zimmermann Cc: Oleksandr Andrushchenko --- drivers/gpu/drm/xen/xen_drm_front.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_= drm_front.c index 1bda7ef606cc..fd2f250fbc33 100644 --- a/drivers/gpu/drm/xen/xen_drm_front.c +++ b/drivers/gpu/drm/xen/xen_drm_front.c @@ -14,6 +14,7 @@ =20 #include #include +#include #include #include #include @@ -414,8 +415,10 @@ static int xen_drm_drv_dumb_create(struct drm_file *fi= lp, * object without pages etc. * For details also see drm_gem_handle_create */ - args->pitch =3D DIV_ROUND_UP(args->width * args->bpp, 8); - args->size =3D args->pitch * args->height; + + ret =3D drm_mode_size_dumb(dev, args, SZ_8, 0); + if (ret) + return ret; =20 obj =3D xen_drm_front_gem_create(dev, args->size); if (IS_ERR(obj)) { --=20 2.50.1