Message ID | 20221013-rpi-dpi-improvements-v2-4-7691903fb9c8@cerno.tech |
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State | New |
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Thu, 20 Oct 2022 04:51:05 -0400 (EDT) From: Maxime Ripard <maxime@cerno.tech> Date: Thu, 20 Oct 2022 10:30:48 +0200 Subject: [PATCH v2 4/7] drm/vc4: dpi: Support RGB565 format MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20221013-rpi-dpi-improvements-v2-4-7691903fb9c8@cerno.tech> References: <20221013-rpi-dpi-improvements-v2-0-7691903fb9c8@cerno.tech> In-Reply-To: <20221013-rpi-dpi-improvements-v2-0-7691903fb9c8@cerno.tech> To: Emma Anholt <emma@anholt.net>, Maxime Ripard <mripard@kernel.org>, Rob Herring <robh@kernel.org>, Daniel Vetter <daniel@ffwll.ch>, Eric Anholt <eric@anholt.net>, David Airlie <airlied@linux.ie> Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Joerg Quinten <aBUGSworstnightmare@gmail.com>, Chris Morgan <macromorgan@hotmail.com>, Dave Stevenson <dave.stevenson@raspberrypi.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Maxime Ripard <maxime@cerno.tech> X-Mailer: b4 0.10.1 X-Developer-Signature: v=1; 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Series |
drm/vc4: dpi: Various improvements
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Commit Message
Maxime Ripard
Oct. 20, 2022, 8:30 a.m. UTC
From: Chris Morgan <macromorgan@hotmail.com> The RGB565 format with padding over 24 bits (MEDIA_BUS_FMT_RGB565_1X24_CPADHI) is supported by the vc4 DPI controller. This is what the Geekworm MZP280 DPI display uses, so let's add support for it in the DPI controller driver. Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Signed-off-by: Chris Morgan <macromorgan@hotmail.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Maxime Ripard <maxime@cerno.tech> --- drivers/gpu/drm/vc4/vc4_dpi.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c index 1f8f44b7b5a5..7da3dd1db50e 100644 --- a/drivers/gpu/drm/vc4/vc4_dpi.c +++ b/drivers/gpu/drm/vc4/vc4_dpi.c @@ -182,6 +182,10 @@ static void vc4_dpi_encoder_enable(struct drm_encoder *encoder) dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_3, DPI_FORMAT); break; + case MEDIA_BUS_FMT_RGB565_1X24_CPADHI: + dpi_c |= VC4_SET_FIELD(DPI_FORMAT_16BIT_565_RGB_2, + DPI_FORMAT); + break; default: DRM_ERROR("Unknown media bus format %d\n", bus_format);