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| author | Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> | 2019-09-06 16:32:44 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-09-17 14:39:55 -0500 |
| commit | e42a34dec68950ebad7904f235ed2dfff5bb27b5 (patch) | |
| tree | a648bfcb2e50ec93b30f79c50c4917a1ab2e5e8a /drivers/gpu | |
| parent | 8ad050e6a67822a4adf1e22f396e141b3deaf8ef (diff) | |
| download | blackbird-op-linux-e42a34dec68950ebad7904f235ed2dfff5bb27b5.tar.gz blackbird-op-linux-e42a34dec68950ebad7904f235ed2dfff5bb27b5.zip | |
drm/amd/display: Implement voltage limitation for dali
[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 <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 4 |
1 files changed, 4 insertions, 0 deletions
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; } |
