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

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Message-ID: <20231222174220.55249-12-knaerzche@gmail.com>
Date: Fri, 22 Dec 2023 18:42:02 +0100
From: Alex Bee <knaerzche@...il.com>
To: Sandy Huang <hjc@...k-chips.com>,
	Heiko Stübner <heiko@...ech.de>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Alex Bee <knaerzche@...il.com>
Subject: [PATCH v4 11/29] drm/rockchip: inno_hdmi: Remove YUV-based csc coefficents

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@...il.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
-- 
2.43.0