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c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1755764536; 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=y0sBWYzzHHIXkCjtkfqfw50BlzV6U7Mnh7Ds7UZEBxk=; b=T0eM0wjCvvR6t/NTjfhfXi8RPhmhOBJ9lMQ2dYNaQYe6NNqbepD4xT/xEbVeYbxxX8lYM6 H2kAA+0xS9ac79BQ== 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 , Patrik Jakobsson Subject: [PATCH v6 08/25] drm/gma500: Compute dumb-buffer sizes with drm_mode_size_dumb() Date: Thu, 21 Aug 2025 10:17:15 +0200 Message-ID: <20250821081918.79786-9-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]; 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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 64. Signed-off-by: Thomas Zimmermann Cc: Patrik Jakobsson --- drivers/gpu/drm/gma500/gem.c | 21 ++++++--------------- 1 file changed, 6 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c index 4b7627a72637..fc337db0a948 100644 --- a/drivers/gpu/drm/gma500/gem.c +++ b/drivers/gpu/drm/gma500/gem.c @@ -16,6 +16,7 @@ #include =20 #include +#include #include =20 #include "gem.h" @@ -199,35 +200,25 @@ psb_gem_create(struct drm_device *dev, u64 size, cons= t char *name, bool stolen, int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args) { - size_t pitch, size; struct psb_gem_object *pobj; struct drm_gem_object *obj; - u32 handle; int ret; =20 - pitch =3D args->width * DIV_ROUND_UP(args->bpp, 8); - pitch =3D ALIGN(pitch, 64); - - size =3D pitch * args->height; - size =3D roundup(size, PAGE_SIZE); - if (!size) - return -EINVAL; + ret =3D drm_mode_size_dumb(dev, args, SZ_64, 0); + if (ret) + return ret; =20 - pobj =3D psb_gem_create(dev, size, "gem", false, PAGE_SIZE); + pobj =3D psb_gem_create(dev, args->size, "gem", false, PAGE_SIZE); if (IS_ERR(pobj)) return PTR_ERR(pobj); obj =3D &pobj->base; =20 - ret =3D drm_gem_handle_create(file, obj, &handle); + ret =3D drm_gem_handle_create(file, obj, &args->handle); if (ret) goto err_drm_gem_object_put; =20 drm_gem_object_put(obj); =20 - args->pitch =3D pitch; - args->size =3D size; - args->handle =3D handle; - return 0; =20 err_drm_gem_object_put: --=20 2.50.1