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drm: rockchip: analogix_dp: correct the connector display color format and bpc

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Rockchip VOP couldn't output YUV video format for eDP controller, so
when driver detect connector support YUV video format, we could hack
it down to RGB888.

Change-Id: Ia876bb49e772f85bef201af2b62dd558d6b99257
Signed-off-by: Yakir Yang <ykk@rock-chips.com>
This commit is contained in:
Yakir Yang
2016-04-13 12:06:59 +08:00
committed by Huang, Tao
parent 280a4db610
commit f154f17040
1 changed files with 22 additions and 0 deletions
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22
drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
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@@ -95,6 +95,27 @@ static int rockchip_dp_powerdown(struct analogix_dp_plat_data *plat_data)
return 0;
}
static enum drm_mode_status
rockchip_dp_mode_valid(struct analogix_dp_plat_data *plat_data,
struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct drm_display_info *di = &connector->display_info;
struct rockchip_dp_device *dp = to_dp(plat_data);
if (dp->plat_data.dev_type == RK3288_DP) {
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;
}
}
return MODE_OK;
}
static bool
rockchip_dp_drm_encoder_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
@@ -270,6 +291,7 @@ static int rockchip_dp_bind(struct device *dev, struct device *master,
dp->plat_data.dev_type = RK3288_DP;
dp->plat_data.power_on = rockchip_dp_poweron;
dp->plat_data.power_off = rockchip_dp_powerdown;
dp->plat_data.mode_valid = rockchip_dp_mode_valid;
return analogix_dp_bind(dev, dp->drm_dev, &dp->plat_data);
}