Unverified Commit 5917e0bd authored by Jernej Skrabec's avatar Jernej Skrabec Committed by Maxime Ripard
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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: default avatarJernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190713120346.30349-2-jernej.skrabec@siol.net
parent 1eef08cb

drivers/gpu/drm/sun4i/sun8i_vi_layer.c

+17 −0
Original line number Diff line number Diff line
@@ -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;