From: Chris Morgan <macroalpha82@gmail.com> To: dri-devel@lists.freedesktop.org Cc: devicetree@vger.kernel.org, thierry.reding@gmail.com, sam@ravnborg.org, airlied@linux.ie, daniel@ffwll.ch, robh+dt@kernel.org, mchehab@kernel.org, emma@anholt.net, mripard@kernel.org, linux-media@vger.kernel.org, Chris Morgan <macromorgan@hotmail.com> Subject: [PATCH 5/5] drm/vc4: dpi: Support DPI interface in mode3 for RGB565 Date: Mon, 3 Jan 2022 11:41:06 -0600 [thread overview] Message-ID: <20220103174106.907-6-macroalpha82@gmail.com> (raw) In-Reply-To: <20220103174106.907-1-macroalpha82@gmail.com> From: Chris Morgan <macromorgan@hotmail.com> Add support for the VC4 DPI driver to utilize DPI mode 3. This is defined here as xxxRRRRRxxGGGGGGxxxBBBBB: https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#parallel-display-interface-dpi This mode is required to use the Geekworm MZP280 DPI display. Signed-off-by: Chris Morgan <macromorgan@hotmail.com> --- 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 c180eb60bee8..3c58ade2549e 100644 --- a/drivers/gpu/drm/vc4/vc4_dpi.c +++ b/drivers/gpu/drm/vc4/vc4_dpi.c @@ -173,6 +173,10 @@ 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); break; -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Chris Morgan <macroalpha82@gmail.com> To: dri-devel@lists.freedesktop.org Cc: devicetree@vger.kernel.org, Chris Morgan <macromorgan@hotmail.com>, emma@anholt.net, airlied@linux.ie, robh+dt@kernel.org, thierry.reding@gmail.com, mchehab@kernel.org, sam@ravnborg.org, linux-media@vger.kernel.org Subject: [PATCH 5/5] drm/vc4: dpi: Support DPI interface in mode3 for RGB565 Date: Mon, 3 Jan 2022 11:41:06 -0600 [thread overview] Message-ID: <20220103174106.907-6-macroalpha82@gmail.com> (raw) In-Reply-To: <20220103174106.907-1-macroalpha82@gmail.com> From: Chris Morgan <macromorgan@hotmail.com> Add support for the VC4 DPI driver to utilize DPI mode 3. This is defined here as xxxRRRRRxxGGGGGGxxxBBBBB: https://www.raspberrypi.com/documentation/computers/raspberry-pi.html#parallel-display-interface-dpi This mode is required to use the Geekworm MZP280 DPI display. Signed-off-by: Chris Morgan <macromorgan@hotmail.com> --- 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 c180eb60bee8..3c58ade2549e 100644 --- a/drivers/gpu/drm/vc4/vc4_dpi.c +++ b/drivers/gpu/drm/vc4/vc4_dpi.c @@ -173,6 +173,10 @@ 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); break; -- 2.25.1
next prev parent reply other threads:[~2022-01-03 17:41 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-03 17:41 [PATCH 0/5] Support Geekworm MZP280 Panel for Raspberry Pi Chris Morgan 2022-01-03 17:41 ` Chris Morgan 2022-01-03 17:41 ` [PATCH 1/5] media: uapi: Document format MEDIA_BUS_FMT_RGB565_1X24_CPADHI Chris Morgan 2022-01-03 17:41 ` Chris Morgan 2022-01-03 17:41 ` [PATCH 2/5] media: uapi: add MEDIA_BUS_FMT_RGB565_1X24_CPADHI Chris Morgan 2022-01-03 17:41 ` Chris Morgan 2022-01-03 17:41 ` [PATCH 3/5] dt-bindings: display: simple: add Geekworm MZP280 Panel Chris Morgan 2022-01-03 17:41 ` Chris Morgan 2022-01-11 10:39 ` Maxime Ripard 2022-01-11 10:39 ` Maxime Ripard 2022-01-03 17:41 ` [PATCH 4/5] drm/panel: " Chris Morgan 2022-01-03 17:41 ` Chris Morgan 2022-01-11 10:40 ` Maxime Ripard 2022-01-11 10:40 ` Maxime Ripard 2022-01-03 17:41 ` Chris Morgan [this message] 2022-01-03 17:41 ` [PATCH 5/5] drm/vc4: dpi: Support DPI interface in mode3 for RGB565 Chris Morgan 2022-01-04 11:49 ` Dave Stevenson 2022-01-04 11:49 ` Dave Stevenson
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