On 10/18/23 13:41, Roman.Li@xxxxxxx wrote:
From: Agustin Gutierrez <agustin.gutierrez@xxxxxxx>
[Why]
Some ASICs keep backlight powered on after dpms off
command has been issued.
[How]
The check for no edp power sequencing was never going to pass.
The value is never changed from what it is set by design.
Cc: stable@xxxxxxxxxxxxxxx
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2765
Reviewed-by: Swapnil Patel <swapnil.patel@xxxxxxx>
Acked-by: Roman Li <roman.li@xxxxxxx>
Signed-off-by: Agustin Gutierrez <agustin.gutierrez@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/link/link_dpms.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
index 4538451945b4..34a4a8c0e18c 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_dpms.c
@@ -1932,8 +1932,7 @@ static void disable_link_dp(struct dc_link *link,
dp_disable_link_phy(link, link_res, signal);
if (link->connector_signal == SIGNAL_TYPE_EDP) {
- if (!link->dc->config.edp_no_power_sequencing &&
- !link->skip_implict_edp_power_control)
+ if (!link->skip_implict_edp_power_control)
link->dc->hwss.edp_power_control(link, false);
}
--
Hamza
