diff options
| author | Charlene Liu <[email protected]> | 2018-01-15 23:22:51 -0500 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2018-02-19 14:19:22 -0500 |
| commit | c3b1c061f4ccacba17ef83c4d49fa289424b2958 (patch) | |
| tree | 8bf691c56556ebd8f3913e5a8dc9d438dcaf4e0f | |
| parent | d89746ec4fcc16aac75bb51f43f9452d95bf7a31 (diff) | |
drm/amd/display: BL setting save/restore
Signed-off-by: Charlene Liu <[email protected]>
Reviewed-by: Tony Cheng <[email protected]>
Acked-by: Harry Wentland <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce/dce_abm.c | 9 |
1 files changed, 9 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 b48190f54907..b231bd53613e 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c @@ -323,6 +323,15 @@ static bool dce_abm_immediate_disable(struct abm *abm) /* notifyDMCUMsg */ REG_UPDATE(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT, 1); + abm->stored_backlight_registers.BL_PWM_CNTL = + REG_READ(BL_PWM_CNTL); + abm->stored_backlight_registers.BL_PWM_CNTL2 = + REG_READ(BL_PWM_CNTL2); + abm->stored_backlight_registers.BL_PWM_PERIOD_CNTL = + REG_READ(BL_PWM_PERIOD_CNTL); + + REG_GET(LVTMA_PWRSEQ_REF_DIV, BL_PWM_REF_DIV, + &abm->stored_backlight_registers.LVTMA_PWRSEQ_REF_DIV_BL_PWM_REF_DIV); return true; } |