[PATCH 03/23] drm/amd/display: Fix monitor flash issue
Hamza Mahfooz
hamza.mahfooz at amd.com
Fri Jun 10 20:52:25 UTC 2022
From: "Shah, Dharati" <Dharati.Shah at amd.com>
[Why & How]
For a some specific monitors, when connected on boot or hot plug,
monitor flash for 1/2 seconds can happen during first HDCP query
operation. Ading some delay in the init sequence for these monitors
fixes the issue, so it is implemented as monitor specific patch.
Co-authored-by: Shah Dharati <dharshah at amd.com>
Reviewed-by: Hansen Dsouza <Hansen.Dsouza at amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas at amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz at amd.com>
Signed-off-by: Shah Dharati <dharshah at amd.com>
---
drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
index 1f4095b26409..c5f6c11de7e5 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp2_transition.c
@@ -524,7 +524,7 @@ enum mod_hdcp_status mod_hdcp_hdcp2_dp_transition(struct mod_hdcp *hdcp,
set_watchdog_in_ms(hdcp, 3000, output);
set_state_id(hdcp, output, D2_A6_WAIT_FOR_RX_ID_LIST);
} else {
- callback_in_ms(0, output);
+ callback_in_ms(1, output);
set_state_id(hdcp, output, D2_SEND_CONTENT_STREAM_TYPE);
}
break;
--
2.36.1
More information about the amd-gfx
mailing list