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@xxxxxxxxxxxxxx>
Acked-by: Mark Yao <mark.yao@xxxxxxxxxxxxxx>
---
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;
+ }
+
+ 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
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