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media: i2c: rk628: fix YUV420-10bit hdmirx input support

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Signed-off-by: Jianwei Fan <jianwei.fan@rock-chips.com>
Change-Id: Ifa0880c563d04a44f43054596a48d622155e491d
This commit is contained in:
Jianwei Fan
2024-03-26 20:05:18 +08:00
committed by Tao Huang
parent ae0bee6029
commit 4fb1432e67
1 changed files with 25 additions and 7 deletions
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32
drivers/media/i2c/rk628/rk628_hdmirx.c
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@@ -1549,6 +1549,7 @@ static int rk628_hdmirx_read_timing(struct rk628 *rk628,
u32 tmds_clk, tmdsclk_cnt;
u64 tmp_data;
u8 video_fmt, vic, color_range, color_space;
u32 format;
memset(timings, 0, sizeof(struct v4l2_dv_timings));
timings->type = V4L2_DV_BT_656_1120;
@@ -1611,15 +1612,26 @@ static int rk628_hdmirx_read_timing(struct rk628 *rk628,
rk628_i2c_read(rk628, HDMI_RX_PDEC_AVI_PB, &val);
vic = (val & VID_IDENT_CODE_MASK) >> 24;
rk628_i2c_read(rk628, HDMI_RX_PDEC_GCP_AVMUTE, &format);
format = (format & PKTDEC_GCP_CD_MASK) >> 4;
video_fmt = rk628_hdmirx_get_format(rk628);
color_range = rk628_hdmirx_get_range(rk628);
color_space = rk628_hdmirx_get_color_space(rk628);
if (video_fmt == BUS_FMT_YUV420) {
htotal *= 2;
hact *= 2;
hfp *= 2;
hbp *= 2;
hs *= 2;
//format:color depth, 5: 10bit, 4: 8bit
if (format == 5) {
htotal = htotal * 2 * 8 / 10;
hact = hact * 2 * 8 / 10;
hfp = hfp * 2 * 8 / 10;
hbp = hbp * 2 * 8 / 10;
hs = hs * 2 * 8 / 10;
} else {
htotal *= 2;
hact *= 2;
hfp *= 2;
hbp *= 2;
hs *= 2;
}
}
rk628_dbg(rk628, "cnt_num:%d, tmds_cnt:%d, hs_cnt:%d, vs_cnt:%d, hofs:%d\n",
@@ -1645,8 +1657,14 @@ static int rk628_hdmirx_read_timing(struct rk628 *rk628,
bt->il_vsync = bt->vsync + 1;
bt->pixelclock /= 2;
}
if (video_fmt == BUS_FMT_YUV420)
bt->pixelclock *= 2;
if (video_fmt == BUS_FMT_YUV420) {
if (format == 5) {
bt->pixelclock = bt->pixelclock * 8 * 2;
do_div(bt->pixelclock, 10);
} else {
bt->pixelclock *= 2;
}
}
if (vact == 1080 && vtotal > 1500)
goto TIMING_ERR;