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c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1755764544; 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=N0hUhOL8OEDGTSoY8dJmhtx0oObts8atje33DKIE3YE=; b=ENmftYPKsykS+zfJX2g3eGwG8Avol3XHVncn3y2rJ7HnkTtSleYDrtXgBN5aczupmPGyKq 66LRLlWWnWFVr/Cw== 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 , Thierry Reding , Thierry Reding , Mikko Perttunen Subject: [PATCH v6 20/25] drm/tegra: Compute dumb-buffer sizes with drm_mode_size_dumb() Date: Thu, 21 Aug 2025 10:17:27 +0200 Message-ID: <20250821081918.79786-21-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-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 according to hardware requirements. Signed-off-by: Thomas Zimmermann Acked-by: Thierry Reding Cc: Thierry Reding Cc: Mikko Perttunen --- drivers/gpu/drm/tegra/gem.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c index 41a285ec889f..84719c9d8720 100644 --- a/drivers/gpu/drm/tegra/gem.c +++ b/drivers/gpu/drm/tegra/gem.c @@ -16,6 +16,7 @@ #include =20 #include +#include #include =20 #include "drm.h" @@ -542,12 +543,13 @@ void tegra_bo_free_object(struct drm_gem_object *gem) int tegra_bo_dumb_create(struct drm_file *file, struct drm_device *drm, struct drm_mode_create_dumb *args) { - unsigned int min_pitch =3D DIV_ROUND_UP(args->width * args->bpp, 8); struct tegra_drm *tegra =3D drm->dev_private; struct tegra_bo *bo; + int ret; =20 - args->pitch =3D round_up(min_pitch, tegra->pitch_align); - args->size =3D args->pitch * args->height; + ret =3D drm_mode_size_dumb(drm, args, tegra->pitch_align, 0); + if (ret) + return ret; =20 bo =3D tegra_bo_create_with_handle(file, drm, args->size, 0, &args->handle); --=20 2.50.1