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Wed, 16 Feb 2022 04:16:37 -0500 (EST) Date: Wed, 16 Feb 2022 10:16:35 +0100 From: Maxime Ripard To: Javier Martinez Canillas Cc: linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, Andy Shevchenko , Daniel Vetter , Geert Uytterhoeven , Thomas Zimmermann , Sam Ravnborg , dri-devel@lists.freedesktop.org, Noralf =?utf-8?Q?Tr=C3=B8nnes?= , Daniel Vetter , David Airlie , Maarten Lankhorst Subject: Re: [PATCH v6 2/6] drm/format-helper: Add drm_fb_xrgb8888_to_mono_reversed() Message-ID: <20220216091635.6me7zh4l6p6qvoqz@houat> References: <20220214133710.3278506-1-javierm@redhat.com> <20220214133710.3278506-3-javierm@redhat.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="yxsysjzabnrzwwaz" Content-Disposition: inline In-Reply-To: <20220214133710.3278506-3-javierm@redhat.com> Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org --yxsysjzabnrzwwaz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Feb 14, 2022 at 02:37:06PM +0100, Javier Martinez Canillas wrote: > Add support to convert from XR24 to reversed monochrome for drivers that > control monochromatic display panels, that only have 1 bit per pixel. >=20 > The function does a line-by-line conversion doing an intermediate step > first from XR24 to 8-bit grayscale and then to reversed monochrome. >=20 > The drm_fb_gray8_to_mono_reversed_line() helper was based on code from > drivers/gpu/drm/tiny/repaper.c driver. >=20 > Signed-off-by: Javier Martinez Canillas > Reviewed-by: Thomas Zimmermann > Reviewed-by: Andy Shevchenko Reviewed-by: Maxime Ripard Maxime --yxsysjzabnrzwwaz Content-Type: application/pgp-signature; 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