[PATCH 12/33] drm/amd/display: DCN2.1 Disable 48MHz Powerdown Debug Option

[Aurabindo Pillai]

From: Sung Lee <sung.lee at amd.com>

[WHY & HOW]
Currently disable 48mhz debug option only disables on boot.
Need to put option check in update_clocks as well to make it
affect more areas.

Signed-off-by: Sung Lee <sung.lee at amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
---
 drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
index 2f8fee05547a..c42d2f4e81e8 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c
@@ -124,7 +124,7 @@ void rn_update_clocks(struct clk_mgr *clk_mgr_base,
 	 * if it is safe to lower, but we are already in the lower state, we don't have to do anything
 	 * also if safe to lower is false, we just go in the higher state
 	 */
-	if (safe_to_lower) {
+	if (safe_to_lower && !dc->debug.disable_48mhz_pwrdwn) {
 		/* check that we're not already in lower */
 		if (clk_mgr_base->clks.pwr_state != DCN_PWR_STATE_LOW_POWER) {
 
-- 
2.25.1