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drm/sun4i: Introduce color encoding and range properties 

In order to correctly convert YUV color space to RGB, we have to know
color encoding and range.

Introduce these two properties using helper method.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190713120346.30349-2-jernej.skrabec@siol.net
This commit is contained in:
Jernej Skrabec 2019-07-13 14:03:44 +02:00 committed by Maxime Ripard
parent 1eef08cb7d
commit 5917e0bdbc
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GPG Key ID: E3EF0D6F671851C5
1 changed files with 17 additions and 0 deletions
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17
drivers/gpu/drm/sun4i/sun8i_vi_layer.c
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@ -440,6 +440,7 @@ struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
struct sun8i_mixer *mixer,
int index)
{
u32 supported_encodings, supported_ranges;
struct sun8i_vi_layer *layer;
unsigned int plane_cnt;
int ret;
@ -468,6 +469,22 @@ struct sun8i_vi_layer *sun8i_vi_layer_init_one(struct drm_device *drm,
return ERR_PTR(ret);
}
supported_encodings = BIT(DRM_COLOR_YCBCR_BT601) |
BIT(DRM_COLOR_YCBCR_BT709);
supported_ranges = BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
BIT(DRM_COLOR_YCBCR_FULL_RANGE);
ret = drm_plane_create_color_properties(&layer->plane,
supported_encodings,
supported_ranges,
DRM_COLOR_YCBCR_BT709,
DRM_COLOR_YCBCR_LIMITED_RANGE);
if (ret) {
dev_err(drm->dev, "Couldn't add encoding and range properties!\n");
return ERR_PTR(ret);
}
drm_plane_helper_add(&layer->plane, &sun8i_vi_layer_helper_funcs);
layer->mixer = mixer;
layer->channel = index;