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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1755764542; 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=xijqT1x/c6ExTCIr+MaR/AHlHHs2pRlUXr04ECasbYs=; b=CSG9dMpHynGwEqa2ibkqqxhnKlhelvv6YUbArTPtcqYyCgB80ZQodTgpzlHkD821PVT0Bz wWbYpooL5Fpw4yCQ== 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 , Laurent Pinchart , Kieran Bingham , Laurent Pinchart , Tomi Valkeinen Subject: [PATCH v6 17/25] drm/renesas/rcar-du: Compute dumb-buffer sizes with drm_mode_size_dumb() Date: Thu, 21 Aug 2025 10:17:24 +0200 Message-ID: <20250821081918.79786-18-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 [-1.51 / 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 according to hardware requirements. Signed-off-by: Thomas Zimmermann Cc: Laurent Pinchart Cc: Kieran Bingham Reviewed-by: Laurent Pinchart Reviewed-by: Tomi Valkeinen --- drivers/gpu/drm/renesas/rcar-du/rcar_du_kms.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/renesas/rcar-du/rcar_du_kms.c b/drivers/gpu/dr= m/renesas/rcar-du/rcar_du_kms.c index 216219accfd9..6294443f6068 100644 --- a/drivers/gpu/drm/renesas/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/renesas/rcar-du/rcar_du_kms.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -407,8 +408,8 @@ int rcar_du_dumb_create(struct drm_file *file, struct d= rm_device *dev, struct drm_mode_create_dumb *args) { struct rcar_du_device *rcdu =3D to_rcar_du_device(dev); - unsigned int min_pitch =3D DIV_ROUND_UP(args->width * args->bpp, 8); unsigned int align; + int ret; =20 /* * The R8A7779 DU requires a 16 pixels pitch alignment as documented, @@ -419,7 +420,9 @@ int rcar_du_dumb_create(struct drm_file *file, struct d= rm_device *dev, else align =3D 16 * args->bpp / 8; =20 - args->pitch =3D roundup(min_pitch, align); + ret =3D drm_mode_size_dumb(dev, args, align, 0); + if (ret) + return ret; =20 return drm_gem_dma_dumb_create_internal(file, dev, args); } --=20 2.50.1