[PATCH v4 11/29] drm/rockchip: inno_hdmi: Remove YUV-based csc coefficents

Alex Bee
2023-12-22T17:43:45Z

Now that the unneeded support for YUV based input formats is gone, the csc
coefficients for those formats can be dropped as well.

Signed-off-by: Alex Bee <knaerzche@gmail.com>
---
changes in v2:
- new patch

changes in v3:
- none

changes in v4:
- none

drivers/gpu/drm/rockchip/inno_hdmi.c | 37 ----------------------------
1 file changed, 37 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index 7c75feedacad..04344ee1265d 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -74,49 +74,12 @@ static struct inno_hdmi *connector_to_inno_hdmi(struct drm_connector *connector)
}

enum {
- CSC_ITU601_16_235_TO_RGB_0_255_8BIT,
- CSC_ITU601_0_255_TO_RGB_0_255_8BIT,
- CSC_ITU709_16_235_TO_RGB_0_255_8BIT,
CSC_RGB_0_255_TO_ITU601_16_235_8BIT,
CSC_RGB_0_255_TO_ITU709_16_235_8BIT,
CSC_RGB_0_255_TO_RGB_16_235_8BIT,
};

static const char coeff_csc[][24] = {
- /*
- * YUV2RGB:601 SD mode(Y[16:235], UV[16:240], RGB[0:255]):
- * R = 1.164*Y + 1.596*V - 204
- * G = 1.164*Y - 0.391*U - 0.813*V + 154
- * B = 1.164*Y + 2.018*U - 258
- */
- {
- 0x04, 0xa7, 0x00, 0x00, 0x06, 0x62, 0x02, 0xcc,
- 0x04, 0xa7, 0x11, 0x90, 0x13, 0x40, 0x00, 0x9a,
- 0x04, 0xa7, 0x08, 0x12, 0x00, 0x00, 0x03, 0x02
- },
- /*
- * YUV2RGB:601 SD mode(YUV[0:255],RGB[0:255]):
- * R = Y + 1.402*V - 248
- * G = Y - 0.344*U - 0.714*V + 135
- * B = Y + 1.772*U - 227
- */
- {
- 0x04, 0x00, 0x00, 0x00, 0x05, 0x9b, 0x02, 0xf8,
- 0x04, 0x00, 0x11, 0x60, 0x12, 0xdb, 0x00, 0x87,
- 0x04, 0x00, 0x07, 0x16, 0x00, 0x00, 0x02, 0xe3
- },
- /*
- * YUV2RGB:709 HD mode(Y[16:235],UV[16:240],RGB[0:255]):
- * R = 1.164*Y + 1.793*V - 248
- * G = 1.164*Y - 0.213*U - 0.534*V + 77
- * B = 1.164*Y + 2.115*U - 289
- */
- {
- 0x04, 0xa7, 0x00, 0x00, 0x07, 0x2c, 0x02, 0xf8,
- 0x04, 0xa7, 0x10, 0xda, 0x12, 0x22, 0x00, 0x4d,
- 0x04, 0xa7, 0x08, 0x74, 0x00, 0x00, 0x03, 0x21
- },
-
/*
* RGB2YUV:601 SD mode:
* Cb = -0.291G - 0.148R + 0.439B + 128