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media: i2c: rk628: fix problem of false trigger signal change

Browse Source 
Type: Fix
Redmine ID: #503357
Associated modifications: N/A
Test: N/A

Signed-off-by: Chen Shunqing <csq@rock-chips.com>
Change-Id: I15657cf8b6fc729fe08061c73a5f13362aad288d
This commit is contained in:
Chen Shunqing
2024-08-26 09:59:48 +08:00
parent de3d3362d4
commit c0e0c0e05f
2 changed files with 18 additions and 2 deletions
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3
drivers/media/i2c/rk628/rk628.h
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@@ -300,6 +300,9 @@ struct rk628 {
u8 version;
void *txphy;
u8 dphy_lane_en;
u8 color_format;
u8 color_range;
u8 color_space;
bool dual_mipi;
struct mipi_timing mipi_timing[2];
struct mutex rst_lock;

17
drivers/media/i2c/rk628/rk628_hdmirx.c
View File

@@ -1615,8 +1615,11 @@ static int rk628_hdmirx_read_timing(struct rk628 *rk628,
rk628_i2c_read(rk628, HDMI_RX_PDEC_GCP_AVMUTE, &format);
format = (format & PKTDEC_GCP_CD_MASK) >> 4;
video_fmt = rk628_hdmirx_get_format(rk628);
rk628->color_format = video_fmt;
color_range = rk628_hdmirx_get_range(rk628);
rk628->color_range = color_range;
color_space = rk628_hdmirx_get_color_space(rk628);
rk628->color_space = color_space;
if (video_fmt == BUS_FMT_YUV420) {
//format:color depth, 5: 10bit, 4: 8bit
if (format == 5) {
@@ -1872,6 +1875,7 @@ EXPORT_SYMBOL(rk628_hdmirx_scdc_ced_err);
bool rk628_hdmirx_is_signal_change_ists(struct rk628 *rk628, u32 md_ints, u32 pdec_ints)
{
u32 md_mask, pded_madk;
u8 video_fmt, color_range, color_space;
md_mask = VACT_LIN_ISTS | HACT_PIX_ISTS |
HS_CLK_ISTS | DE_ACTIVITY_ISTS |
@@ -1880,8 +1884,17 @@ bool rk628_hdmirx_is_signal_change_ists(struct rk628 *rk628, u32 md_ints, u32 pd
return true;
pded_madk = AVI_CKS_CHG_ISTS;
if (pdec_ints & pded_madk)
return true;
if (pdec_ints & pded_madk) {
video_fmt = rk628_hdmirx_get_format(rk628);
if (rk628->color_format != video_fmt)
return true;
color_range = rk628_hdmirx_get_range(rk628);
if (rk628->color_range != color_range)
return true;
color_space = rk628_hdmirx_get_color_space(rk628);
if (rk628->color_space != color_space)
return true;
}
return false;
}