hdmitx: fix 1.4 cts 7-19 [1/2]

PD#SWPL-52240

Problem:
hdmi1.4 cts 7-19 fail, it will sent
non-zero CD in GCP under y422

Solution:
set CD of GCP to 0 when EDID not support
deep color

Verify:
ap222

Change-Id: I500a470188d6f045ff054ac4ac44fce09f64a6af
Signed-off-by: hang cheng <hang.cheng@amlogic.com>

diff --git a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
index 8b0eb3da312a1c62b0bc85905b2803a77565fb54..ed5e7811dcc8b08aa9d71f7b30be7e5db763712d 100644 (file)
--- a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
+++ b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
@@ -292,108 +292,6 @@ static int read_avmute(void)
        return ret;
 }
 
-static void config_video_mapping(enum hdmi_color_space cs,
-       enum hdmi_color_depth cd)
-{
-       unsigned int val = 0;
-
-       pr_info("config: cs = %d cd = %d\n", cs, cd);
-       switch (cs) {
-       case COLORSPACE_RGB444:
-               switch (cd) {
-               case COLORDEPTH_24B:
-                       val = 0x1;
-                       break;
-               case COLORDEPTH_30B:
-                       val = 0x3;
-                       break;
-               case COLORDEPTH_36B:
-                       val = 0x5;
-                       break;
-               case COLORDEPTH_48B:
-                       val = 0x7;
-                       break;
-               default:
-                       break;
-               }
-               break;
-       case COLORSPACE_YUV444:
-       case COLORSPACE_YUV420:
-               switch (cd) {
-               case COLORDEPTH_24B:
-                       val = 0x9;
-                       break;
-               case COLORDEPTH_30B:
-                       val = 0xb;
-                       break;
-               case COLORDEPTH_36B:
-                       val = 0xd;
-                       break;
-               case COLORDEPTH_48B:
-                       val = 0xf;
-                       break;
-               default:
-                       break;
-               }
-               break;
-       case COLORSPACE_YUV422:
-               switch (cd) {
-               case COLORDEPTH_24B:
-                       val = 0x16;
-                       break;
-               case COLORDEPTH_30B:
-                       val = 0x14;
-                       break;
-               case COLORDEPTH_36B:
-                       val = 0x12;
-                       break;
-               case COLORDEPTH_48B:
-                       pr_info("y422 no 48bits mode\n");
-                       break;
-               default:
-                       break;
-               }
-               break;
-       default:
-               break;
-       }
-       hdmitx_set_reg_bits(HDMITX_DWC_TX_INVID0, val, 0, 4);
-
-       switch (cd) {
-       case COLORDEPTH_24B:
-               val = 0x4;
-               break;
-       case COLORDEPTH_30B:
-               val = 0x5;
-               break;
-       case COLORDEPTH_36B:
-               val = 0x6;
-               break;
-       case COLORDEPTH_48B:
-               val = 0x7;
-               break;
-       default:
-               break;
-       }
-       hdmitx_set_reg_bits(HDMITX_DWC_VP_PR_CD, val, 4, 4);
-
-       switch (cd) {
-       case COLORDEPTH_30B:
-       case COLORDEPTH_36B:
-       case COLORDEPTH_48B:
-               hdmitx_set_reg_bits(HDMITX_DWC_VP_CONF, 0, 6, 1);
-               hdmitx_set_reg_bits(HDMITX_DWC_VP_CONF, 1, 5, 1);
-               hdmitx_set_reg_bits(HDMITX_DWC_VP_CONF, 1, 2, 1);
-               hdmitx_set_reg_bits(HDMITX_DWC_VP_CONF, 0, 0, 2);
-               break;
-       case COLORDEPTH_24B:
-               break;
-       default:
-               break;
-       }
-       hdmitx_set_reg_bits(HDMITX_DWC_VP_PR_CD, val, 4, 4);
-}
-
 /* record HDMITX current format, matched with uboot */
 /* ISA_DEBUG_REG0 0x2600
  * bit[11]: Y420
@@ -4243,9 +4141,6 @@ static int hdmitx_cntl_config(struct hdmitx_dev *hdev, unsigned int cmd,
                if (hdmitx_rd_reg(HDMITX_DWC_FC_VSDPAYLOAD0) == 0x20)
                        hdmitx_wr_reg(HDMITX_DWC_FC_VSDPAYLOAD1, 0);
                break;
-       case CONF_VIDEO_MAPPING:
-               config_video_mapping(hdev->para->cs, hdev->para->cd);
-               break;
        case CONF_CLR_AUDINFO_PACKET:
                break;
        case CONF_AVI_BT2020:
@@ -4810,11 +4705,10 @@ static void config_hdmi20_tx(enum hdmi_vic vic,
        data32 |= (((output_color_format == COLORSPACE_YUV422) ?
                COLORDEPTH_24B : color_depth) << 4);
        data32 |= (0 << 0);
+       /* HDMI1.4 CTS7-19, CD of GCP for Y422 should be 0 */
        if ((data32 & 0xf0) == 0x40)
                data32 &= ~(0xf << 4);
-       hdmitx_wr_reg(HDMITX_DWC_VP_PR_CD,  data32);
-       if (output_color_format == COLORSPACE_YUV422)
-               hdmitx_set_reg_bits(HDMITX_DWC_VP_PR_CD, 0x4, 4, 4);
+       hdmitx_wr_reg(HDMITX_DWC_VP_PR_CD, data32);
 
        /* Video Packet Stuffing */
        data32  = 0;