diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c index f2a08b156cf0..080c25383a4a 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c @@ -424,6 +424,26 @@ void dpp1_set_cursor_position( } +void dpp1_dppclk_control( + struct dpp *dpp_base, + bool dppclk_div, + bool enable) +{ + struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base); + + if (enable) { + if (dpp->tf_mask->DPPCLK_RATE_CONTROL) { + REG_UPDATE_2(DPP_CONTROL, + DPPCLK_RATE_CONTROL, dppclk_div, + DPP_CLOCK_ENABLE, 1); + } else { + ASSERT(dppclk_div == false); + REG_UPDATE(DPP_CONTROL, DPP_CLOCK_ENABLE, 1); + } + } else + REG_UPDATE(DPP_CONTROL, DPP_CLOCK_ENABLE, 0); +} + static const struct dpp_funcs dcn10_dpp_funcs = { .dpp_reset = dpp_reset, .dpp_set_scaler = dpp1_dscl_set_scaler_manual_scale, @@ -445,6 +465,7 @@ static const struct dpp_funcs dcn10_dpp_funcs = { .dpp_full_bypass = dpp1_full_bypass, .set_cursor_attributes = dpp1_set_cursor_attributes, .set_cursor_position = dpp1_set_cursor_position, + .dpp_dppclk_control = dpp1_dppclk_control, }; static struct dpp_caps dcn10_dpp_cap = { |