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-rw-r--r--drivers/gpu/drm/bridge/ite-it6505.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c
index e6badb2540f3..264779f14366 100644
--- a/drivers/gpu/drm/bridge/ite-it6505.c
+++ b/drivers/gpu/drm/bridge/ite-it6505.c
@@ -2096,12 +2096,13 @@ static void it6505_hdcp_wait_ksv_list(struct work_struct *work)
struct it6505 *it6505 = container_of(work, struct it6505,
hdcp_wait_ksv_list);
struct device *dev = it6505->dev;
- unsigned int timeout = 5000;
- u8 bstatus = 0;
+ u8 bstatus;
bool ksv_list_check;
+ /* 1B-04 wait ksv list for 5s */
+ unsigned long timeout = jiffies +
+ msecs_to_jiffies(5000) + 1;
- timeout /= 20;
- while (timeout > 0) {
+ for (;;) {
if (!it6505_get_sink_hpd_status(it6505))
return;
@@ -2110,13 +2111,12 @@ static void it6505_hdcp_wait_ksv_list(struct work_struct *work)
if (bstatus & DP_BSTATUS_READY)
break;
- msleep(20);
- timeout--;
- }
+ if (time_after(jiffies, timeout)) {
+ DRM_DEV_DEBUG_DRIVER(dev, "KSV list wait timeout");
+ goto timeout;
+ }
- if (timeout == 0) {
- DRM_DEV_DEBUG_DRIVER(dev, "timeout and ksv list wait failed");
- goto timeout;
+ msleep(20);
}
ksv_list_check = it6505_hdcp_part2_ksvlist_check(it6505);