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 | 17 |
1 files changed, 14 insertions, 3 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 8d3884b306dd..80779e85e2c5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb.c @@ -101,8 +101,8 @@ static bool dwb2_enable(struct dwbc *dwbc, struct dc_dwb_params *params) struct dcn20_dwbc *dwbc20 = TO_DCN20_DWBC(dwbc); /* Only chroma scaling (sub-sampling) is supported in DCN2 */ -if ((params->cnv_params.src_width != params->dest_width) || - (params->cnv_params.src_height != params->dest_height)) { + if ((params->cnv_params.src_width != params->dest_width) || + (params->cnv_params.src_height != params->dest_height)) { DC_LOG_DWB("%s inst = %d, FAILED!LUMA SCALING NOT SUPPORTED", __func__, dwbc20->base.inst); return false; @@ -299,9 +299,20 @@ 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); + } + } -const struct dwbc_funcs dcn20_dwbc_funcs = { +static const struct dwbc_funcs dcn20_dwbc_funcs = { .get_caps = dwb2_get_caps, .enable = dwb2_enable, .disable = dwb2_disable, |