| Message ID | 20220516072245.10745-1-christianshewitt@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/meson: add YUV422 output support | expand |
On 16/05/2022 09:22, Christian Hewitt wrote: > From: Dongjin Kim <tobetter@gmail.com> > > Support YUV422 output from the Amlogic Meson SoC VPU to the HDMI > controller. Without this YUV422 format out of the HDMI encoder > leads to using the dw-hdmi YUV444 to YUV422 color conversion which > gives wrong colors and a green line on the left edge of the screen. > > Signed-off-by: Dongjin Kim <tobetter@gmail.com> > Signed-off-by: Christian Hewitt <christianshewitt@gmail.com> > Tested-by: Furkan Kardame <f.kardame@manjaro.org> > --- > I've had this patch in my sources for some time now; originally picked > from Dongjin's mainline branches for Hardkernel boards and tweaked for > some minor renaming after DRM bridge changes were merged. Furkhan has > reminded me this is still needed a couple of days ago and now the same > issue is reported on the mailing list [0] so best to submit it. If a > fixes tag is required? please advise the commit and i'll resend. > > drivers/gpu/drm/meson/meson_encoder_hdmi.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/meson/meson_encoder_hdmi.c b/drivers/gpu/drm/meson/meson_encoder_hdmi.c > index 5e306de6f485..08529efb4405 100644 > --- a/drivers/gpu/drm/meson/meson_encoder_hdmi.c > +++ b/drivers/gpu/drm/meson/meson_encoder_hdmi.c > @@ -218,7 +218,8 @@ static void meson_encoder_hdmi_atomic_enable(struct drm_bridge *bridge, > if (encoder_hdmi->output_bus_fmt == MEDIA_BUS_FMT_UYYVYY8_0_5X24) { > ycrcb_map = VPU_HDMI_OUTPUT_CRYCB; > yuv420_mode = true; > - } > + } else if (encoder_hdmi->output_bus_fmt == MEDIA_BUS_FMT_UYVY8_1X16) > + ycrcb_map = VPU_HDMI_OUTPUT_CRYCB; > > /* VENC + VENC-DVI Mode setup */ > meson_venc_hdmi_mode_set(priv, vic, ycrcb_map, yuv420_mode, mode); > @@ -230,6 +231,10 @@ static void meson_encoder_hdmi_atomic_enable(struct drm_bridge *bridge, > /* Setup YUV420 to HDMI-TX, no 10bit diphering */ > writel_relaxed(2 | (2 << 2), > priv->io_base + _REG(VPU_HDMI_FMT_CTRL)); > + else if (encoder_hdmi->output_bus_fmt == MEDIA_BUS_FMT_UYVY8_1X16) > + /* Setup YUV422 to HDMI-TX, no 10bit diphering */ > + writel_relaxed(1 | (2 << 2), > + priv->io_base + _REG(VPU_HDMI_FMT_CTRL)); > else > /* Setup YUV444 to HDMI-TX, no 10bit diphering */ > writel_relaxed(0, priv->io_base + _REG(VPU_HDMI_FMT_CTRL)); > @@ -257,6 +262,7 @@ static void meson_encoder_hdmi_atomic_disable(struct drm_bridge *bridge, > > static const u32 meson_encoder_hdmi_out_bus_fmts[] = { > MEDIA_BUS_FMT_YUV8_1X24, > + MEDIA_BUS_FMT_UYVY8_1X16, > MEDIA_BUS_FMT_UYYVYY8_0_5X24, > }; > Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Hi, On Mon, 16 May 2022 07:22:45 +0000, Christian Hewitt wrote: > From: Dongjin Kim <tobetter@gmail.com> > > Support YUV422 output from the Amlogic Meson SoC VPU to the HDMI > controller. Without this YUV422 format out of the HDMI encoder > leads to using the dw-hdmi YUV444 to YUV422 color conversion which > gives wrong colors and a green line on the left edge of the screen. > > [...] Thanks, Applied to https://anongit.freedesktop.org/git/drm/drm-misc.git (drm-misc-next) [1/1] drm/meson: add YUV422 output support https://cgit.freedesktop.org/drm/drm-misc/commit/?id=c193a003dc46ae601f46908b41d6f485b87db1ad
diff --git a/drivers/gpu/drm/meson/meson_encoder_hdmi.c b/drivers/gpu/drm/meson/meson_encoder_hdmi.c index 5e306de6f485..08529efb4405 100644 --- a/drivers/gpu/drm/meson/meson_encoder_hdmi.c +++ b/drivers/gpu/drm/meson/meson_encoder_hdmi.c @@ -218,7 +218,8 @@ static void meson_encoder_hdmi_atomic_enable(struct drm_bridge *bridge, if (encoder_hdmi->output_bus_fmt == MEDIA_BUS_FMT_UYYVYY8_0_5X24) { ycrcb_map = VPU_HDMI_OUTPUT_CRYCB; yuv420_mode = true; - } + } else if (encoder_hdmi->output_bus_fmt == MEDIA_BUS_FMT_UYVY8_1X16) + ycrcb_map = VPU_HDMI_OUTPUT_CRYCB; /* VENC + VENC-DVI Mode setup */ meson_venc_hdmi_mode_set(priv, vic, ycrcb_map, yuv420_mode, mode); @@ -230,6 +231,10 @@ static void meson_encoder_hdmi_atomic_enable(struct drm_bridge *bridge, /* Setup YUV420 to HDMI-TX, no 10bit diphering */ writel_relaxed(2 | (2 << 2), priv->io_base + _REG(VPU_HDMI_FMT_CTRL)); + else if (encoder_hdmi->output_bus_fmt == MEDIA_BUS_FMT_UYVY8_1X16) + /* Setup YUV422 to HDMI-TX, no 10bit diphering */ + writel_relaxed(1 | (2 << 2), + priv->io_base + _REG(VPU_HDMI_FMT_CTRL)); else /* Setup YUV444 to HDMI-TX, no 10bit diphering */ writel_relaxed(0, priv->io_base + _REG(VPU_HDMI_FMT_CTRL)); @@ -257,6 +262,7 @@ static void meson_encoder_hdmi_atomic_disable(struct drm_bridge *bridge, static const u32 meson_encoder_hdmi_out_bus_fmts[] = { MEDIA_BUS_FMT_YUV8_1X24, + MEDIA_BUS_FMT_UYVY8_1X16, MEDIA_BUS_FMT_UYYVYY8_0_5X24, };