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path: root/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce/dce_abm.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce/dce_abm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
index da30ae04e82b..555bbaa0665f 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
@@ -72,6 +72,9 @@ static bool dce_abm_set_pipe(struct abm *abm, uint32_t controller_id)
/* notifyDMCUMsg */
REG_UPDATE(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 1);
+ REG_WAIT(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 0,
+ 1, 80000);
+
return true;
}