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c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1755764541; 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=5jjJ1T1v/aZMEH6qEuFOLLTT1MbnehEC6ADbpMxNn/Y=; b=Ko8NiJHS05xtmCsxqe8GU7aiqtH97ywiCmDn3phzu80rJ2+SG3P04U4b5vZNupcKxO8oeL HETIc6If+883LbDw== 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 , Dave Airlie , Gerd Hoffmann Subject: [PATCH v6 16/25] drm/qxl: Compute dumb-buffer sizes with drm_mode_size_dumb() Date: Thu, 21 Aug 2025 10:17:23 +0200 Message-ID: <20250821081918.79786-17-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-Spamd-Result: default: False [-1.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,suse.de:email]; RCPT_COUNT_TWELVE(0.00)[23]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; FUZZY_RATELIMITED(0.00)[rspamd.com]; FROM_HAS_DN(0.00)[]; FREEMAIL_TO(0.00)[ffwll.ch,gmail.com,kernel.org,linux.intel.com,linux-m68k.org,ideasonboard.com]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_TLS_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLqirfcw6gnbcr9a9yhi49fhi6),to(RLbwen1niosrcqbxsafh1)]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Spam-Flag: NO X-Spam-Level: X-Spam-Score: -1.30 X-ZohoMail-DKIM: pass (identity @suse.de) X-ZM-MESSAGEID: 1755765212035116600 Content-Type: text/plain; charset="utf-8" Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and buffer size. No alignment required. Signed-off-by: Thomas Zimmermann Cc: Dave Airlie Cc: Gerd Hoffmann --- drivers/gpu/drm/qxl/qxl_dumb.c | 17 ++++++++--------- 1 file changed, 8 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/qxl/qxl_dumb.c b/drivers/gpu/drm/qxl/qxl_dumb.c index 17df5c7ccf69..1200946767ce 100644 --- a/drivers/gpu/drm/qxl/qxl_dumb.c +++ b/drivers/gpu/drm/qxl/qxl_dumb.c @@ -23,6 +23,8 @@ * Alon Levy */ =20 +#include + #include "qxl_drv.h" #include "qxl_object.h" =20 @@ -35,14 +37,13 @@ int qxl_mode_dumb_create(struct drm_file *file_priv, struct qxl_device *qdev =3D to_qxl(dev); struct qxl_bo *qobj; struct drm_gem_object *gobj; - uint32_t handle; int r; struct qxl_surface surf; - uint32_t pitch, format; + u32 format; =20 - pitch =3D args->width * ((args->bpp + 1) / 8); - args->size =3D pitch * args->height; - args->size =3D ALIGN(args->size, PAGE_SIZE); + r =3D drm_mode_size_dumb(dev, args, 0, 0); + if (r) + return r; =20 switch (args->bpp) { case 16: @@ -57,20 +58,18 @@ int qxl_mode_dumb_create(struct drm_file *file_priv, =20 surf.width =3D args->width; surf.height =3D args->height; - surf.stride =3D pitch; + surf.stride =3D args->pitch; surf.format =3D format; surf.data =3D 0; =20 r =3D qxl_gem_object_create_with_handle(qdev, file_priv, QXL_GEM_DOMAIN_CPU, args->size, &surf, &gobj, - &handle); + &args->handle); if (r) return r; qobj =3D gem_to_qxl_bo(gobj); qobj->is_dumb =3D true; drm_gem_object_put(gobj); - args->pitch =3D pitch; - args->handle =3D handle; return 0; } --=20 2.50.1