ARM has a 2000us limit for udelay. Switch to msleep. This code
executes in a worker thread so shouldn't be an atomic context.
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
index bcbc0b8a9aa0..f730b94ac3c0 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_execution.c
@@ -153,7 +153,7 @@ static enum mod_hdcp_status poll_l_prime_available(struct mod_hdcp *hdcp)
{
enum mod_hdcp_status status;
uint8_t size;
- uint16_t max_wait = 20000; // units of us
+ uint16_t max_wait = 20; // units of ms
uint16_t num_polls = 5;
uint16_t wait_time = max_wait / num_polls;
@@ -161,7 +161,7 @@ static enum mod_hdcp_status poll_l_prime_available(struct mod_hdcp *hdcp)
status = MOD_HDCP_STATUS_INVALID_OPERATION;
else
for (; num_polls; num_polls--) {
- udelay(wait_time);
+ msleep(wait_time);
status = mod_hdcp_read_rxstatus(hdcp);
if (status != MOD_HDCP_STATUS_SUCCESS)
@@ -474,7 +474,7 @@ static enum mod_hdcp_status locality_check(struct mod_hdcp *hdcp,
hdcp, "lc_init_write"))
goto out;
if (is_dp_hdcp(hdcp))
- udelay(16000);
+ msleep(16);
else
if (!mod_hdcp_execute_and_set(poll_l_prime_available,
&input->l_prime_available_poll, &status,
--
2.23.0
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