diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb.c index f8667be57046..80779e85e2c5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb.c @@ -299,6 +299,17 @@ void dwb2_set_scaler(struct dwbc *dwbc, struct dc_dwb_params *params) } } + + if (dwbc20->dwbc_mask->WBSCL_COEF_RAM_SEL) { + /* Swap double buffered coefficient set */ + uint32_t wbscl_mode = REG_READ(WBSCL_MODE); + bool coef_ram_current = get_reg_field_value_ex( + wbscl_mode, dwbc20->dwbc_mask->WBSCL_COEF_RAM_SEL_CURRENT, + dwbc20->dwbc_shift->WBSCL_COEF_RAM_SEL_CURRENT); + + REG_UPDATE(WBSCL_MODE, WBSCL_COEF_RAM_SEL, !coef_ram_current); + } + } static const struct dwbc_funcs dcn20_dwbc_funcs = { |