On Tue, Jun 14, 2016 at 7:46 AM, Yakir Yang <ykk at rock-chips.com> wrote: > Rockchip VOP couldn't output YUV video format for eDP controller, so > when driver detect connector support YUV video format, we need to hack > it down to RGB888. > > Signed-off-by: Yakir Yang <ykk at rock-chips.com> > Acked-by: Mark Yao <mark.yao at rock-chips.com> > --- > Changes in v3: > - Hook the connector's color_formats in .get_modes directly. (Tomasz, reviewed at Google Gerrit) > [https://chromium-review.googlesource.com/#/c/346317/15] > - Add the acked flag from Mark. > > Changes in v2: None > > drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c > index da2e844..95a6f60 100644 > --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c > +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c > @@ -102,6 +102,22 @@ static int rockchip_dp_powerdown(struct analogix_dp_plat_data *plat_data) > return 0; > } > > +static int rockchip_dp_get_modes(struct analogix_dp_plat_data *plat_data, > + struct drm_connector *connector) > +{ > + struct drm_display_info *di = &connector->display_info; > + > + if (di->color_formats & DRM_COLOR_FORMAT_YCRCB444 || > + di->color_formats & DRM_COLOR_FORMAT_YCRCB422) { > + di->color_formats &= ~(DRM_COLOR_FORMAT_YCRCB422 | > + DRM_COLOR_FORMAT_YCRCB444); > + di->color_formats |= DRM_COLOR_FORMAT_RGB444; > + di->bpc = 8; Probably a stupid question, but are you guaranteed that the panel will support this color format? > + } > + I think this can be simplified as follows: /* A comment here about why we're doing this */ u32 mask = DRM_COLOR_FORMAT_YCRCB444 | DRM_COLOR_FORMAT_YCRCB422; if ((di->color_formats & mask)) { DRM_DEBUG_KMS("Swapping display color format from YUV to RGB\n"); di->color_formats &= ~mask; di->color_formats |= DRM_COLOR_FORMAT_RGB444; di->bpc = 8; } > + return 0; > +} > + > static bool > rockchip_dp_drm_encoder_mode_fixup(struct drm_encoder *encoder, > const struct drm_display_mode *mode, > @@ -313,6 +329,7 @@ static int rockchip_dp_bind(struct device *dev, struct device *master, > dp->plat_data.subdev_type = dp_data->chip_type; > dp->plat_data.power_on = rockchip_dp_poweron; > dp->plat_data.power_off = rockchip_dp_powerdown; > + dp->plat_data.get_modes = rockchip_dp_get_modes; > > return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data); > } > -- > 1.9.1 > > > _______________________________________________ > dri-devel mailing list > dri-devel at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel
