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hdmitx: optimise the sup_2160p60hz of DV [1/1]

Browse Source 
PD#SWPL-10065

Problem:
TV claims that supporting DV version2, but it lacks
the Max_TMDS_Clock2 600MHz

Solution:
if max tmds clock is less than 600MHz, clear sup_2160p60hz

Verify:
G12/U212

Change-Id: I77c024dfa860bca60020db689c2a07ae8f502528
Signed-off-by: Zongdong Jiao <zongdong.jiao@amlogic.com>
This commit is contained in:
Zongdong Jiao
2019-06-22 18:48:11 +08:00
committed by Luan Yuan
parent a4bf3fec6f
commit 9289463074
2 changed files with 10 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_edid.c
View File

@@ -2194,6 +2194,7 @@ int hdmitx_edid_parse(struct hdmitx_dev *hdmitx_device)
int i, j, ret_val;
int idx[4];
struct rx_cap *pRXCap = &(hdmitx_device->RXCap);
struct dv_info *dv = &(hdmitx_device->RXCap.dv_info);
struct vinfo_s *info = NULL;
if (check_dvi_hdmi_edid_valid(hdmitx_device->EDID_buf)) {
@@ -2415,6 +2416,13 @@ int hdmitx_edid_parse(struct hdmitx_dev *hdmitx_device)
rxlatency_to_vinfo(info, pRXCap);
}
}
/* if sup_2160p60hz of dv is true, check the MAX_TMDS*/
if (dv->sup_2160p60hz) {
if (pRXCap->Max_TMDS_Clock2 * 5 < 590) {
dv->sup_2160p60hz = 0;
pr_info(EDID "clear sup_2160p60hz\n");
}
}
return 0;
}

4
drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c
View File

@@ -2791,8 +2791,8 @@ static ssize_t show_dv_cap(struct device *dev,
if (dv->ver == 2) {
pos += snprintf(buf + pos, PAGE_SIZE,
"VSVDB Version: V%d\n", dv->ver);
pos += snprintf(buf + pos, PAGE_SIZE,
"2160p60hz: 1\n");
pos += snprintf(buf + pos, PAGE_SIZE, "2160p%shz: 1\n",
dv->sup_2160p60hz ? "60" : "30");
pos += snprintf(buf + pos, PAGE_SIZE,
"Support mode:\n");
if ((dv->Interface != 0x00) && (dv->Interface != 0x01)) {