[PATCH v3 10/29] drm/rockchip: inno_hdmi: Remove useless input format

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From: Maxime Ripard <mripard@xxxxxxxxxx>

The driver has a lot of logic to deal with multiple input formats, but
hardcodes it to RGB. This means that most of that code has been dead
code, so let's get rid of it.

Signed-off-by: Maxime Ripard <mripard@xxxxxxxxxx>
Tested-by: Alex Bee <knaerzche@xxxxxxxxx>
[made checkpatch happy]
Signed-off-by: Alex Bee <knaerzche@xxxxxxxxx>
---
changes in v2:
 - imported patch

changes in v3:
 - none

 drivers/gpu/drm/rockchip/inno_hdmi.c | 41 ++++++++--------------------
 1 file changed, 11 insertions(+), 30 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c
index 58aff7a9c09a..7c75feedacad 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -28,7 +28,6 @@
 #include "inno_hdmi.h"
 
 struct hdmi_data_info {
-	unsigned int enc_in_format;
 	unsigned int enc_out_format;
 	unsigned int colorimetry;
 };
@@ -328,47 +327,30 @@ static int inno_hdmi_config_video_csc(struct inno_hdmi *hdmi)
 		v_VIDEO_INPUT_CSP(0);
 	hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL2, value);
 
-	if (data->enc_in_format == data->enc_out_format) {
-		if ((data->enc_in_format == HDMI_COLORSPACE_RGB) ||
-		    (data->enc_in_format >= HDMI_COLORSPACE_YUV444)) {
-			value = v_SOF_DISABLE | v_COLOR_DEPTH_NOT_INDICATED(1);
-			hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL3, value);
-
-			hdmi_modb(hdmi, HDMI_VIDEO_CONTRL,
-				  m_VIDEO_AUTO_CSC | m_VIDEO_C0_C2_SWAP,
-				  v_VIDEO_AUTO_CSC(AUTO_CSC_DISABLE) |
-				  v_VIDEO_C0_C2_SWAP(C0_C2_CHANGE_DISABLE));
-			return 0;
-		}
+	if (data->enc_out_format == HDMI_COLORSPACE_RGB) {
+		value = v_SOF_DISABLE | v_COLOR_DEPTH_NOT_INDICATED(1);
+		hdmi_writeb(hdmi, HDMI_VIDEO_CONTRL3, value);
+
+		hdmi_modb(hdmi, HDMI_VIDEO_CONTRL,
+			  m_VIDEO_AUTO_CSC | m_VIDEO_C0_C2_SWAP,
+			  v_VIDEO_AUTO_CSC(AUTO_CSC_DISABLE) |
+			  v_VIDEO_C0_C2_SWAP(C0_C2_CHANGE_DISABLE));
+		return 0;
 	}
 
 	if (data->colorimetry == HDMI_COLORIMETRY_ITU_601) {
-		if ((data->enc_in_format == HDMI_COLORSPACE_RGB) &&
-		    (data->enc_out_format == HDMI_COLORSPACE_YUV444)) {
+		if (data->enc_out_format == HDMI_COLORSPACE_YUV444) {
 			csc_mode = CSC_RGB_0_255_TO_ITU601_16_235_8BIT;
 			auto_csc = AUTO_CSC_DISABLE;
 			c0_c2_change = C0_C2_CHANGE_DISABLE;
 			csc_enable = v_CSC_ENABLE;
-		} else if ((data->enc_in_format == HDMI_COLORSPACE_YUV444) &&
-			   (data->enc_out_format == HDMI_COLORSPACE_RGB)) {
-			csc_mode = CSC_ITU601_16_235_TO_RGB_0_255_8BIT;
-			auto_csc = AUTO_CSC_ENABLE;
-			c0_c2_change = C0_C2_CHANGE_DISABLE;
-			csc_enable = v_CSC_DISABLE;
 		}
 	} else {
-		if ((data->enc_in_format == HDMI_COLORSPACE_RGB) &&
-		    (data->enc_out_format == HDMI_COLORSPACE_YUV444)) {
+		if (data->enc_out_format == HDMI_COLORSPACE_YUV444) {
 			csc_mode = CSC_RGB_0_255_TO_ITU709_16_235_8BIT;
 			auto_csc = AUTO_CSC_DISABLE;
 			c0_c2_change = C0_C2_CHANGE_DISABLE;
 			csc_enable = v_CSC_ENABLE;
-		} else if ((data->enc_in_format == HDMI_COLORSPACE_YUV444) &&
-			   (data->enc_out_format == HDMI_COLORSPACE_RGB)) {
-			csc_mode = CSC_ITU709_16_235_TO_RGB_0_255_8BIT;
-			auto_csc = AUTO_CSC_ENABLE;
-			c0_c2_change = C0_C2_CHANGE_DISABLE;
-			csc_enable = v_CSC_DISABLE;
 		}
 	}
 
@@ -443,7 +425,6 @@ static int inno_hdmi_setup(struct inno_hdmi *hdmi,
 	struct drm_display_info *display = &hdmi->connector.display_info;
 	u8 vic = drm_match_cea_mode(mode);
 
-	hdmi->hdmi_data.enc_in_format = HDMI_COLORSPACE_RGB;
 	hdmi->hdmi_data.enc_out_format = HDMI_COLORSPACE_RGB;
 
 	if (vic == 6 || vic == 7 ||
-- 
2.43.0





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