[Why]
we only want the lowest voltage to be available for dali.

[How]
Use the get_highest_allowed_voltage_level function
to return 0 for dali

Signed-off-by: Bhawanpreet Lakha <[email protected]>
Reviewed-by: Huang Rui <[email protected]>
---
 drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c 
b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
index 383f4f8db8f4..9b2cb57bf2ba 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -708,6 +708,10 @@ static void hack_bounding_box(struct dcn_bw_internal_vars 
*v,
 
 unsigned int get_highest_allowed_voltage_level(uint32_t hw_internal_rev)
 {
+       /* for dali, the highest voltage level we want is 0 */
+       if (ASICREV_IS_DALI(hw_internal_rev))
+               return 0;
+
        /* we are ok with all levels */
        return 4;
 }
-- 
2.17.1

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