diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c index 878b53d85694..efa86d5c6847 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp_dscl.c @@ -198,6 +198,20 @@ static enum dscl_mode_sel dpp1_dscl_get_dscl_mode( return DSCL_MODE_SCALING_420_YCBCR_ENABLE; } +static void dpp1_power_on_dscl( + struct dpp *dpp_base, + bool power_on) +{ + struct dcn10_dpp *dpp = TO_DCN10_DPP(dpp_base); + + if (dpp->tf_regs->DSCL_MEM_PWR_CTRL) { + REG_UPDATE(DSCL_MEM_PWR_CTRL, LUT_MEM_PWR_FORCE, power_on ? 0 : 3); + if (power_on) + REG_WAIT(DSCL_MEM_PWR_STATUS, LUT_MEM_PWR_STATE, 0, 1, 5); + } +} + + static void dpp1_dscl_set_lb( struct dcn10_dpp *dpp, const struct line_buffer_params *lb_params, @@ -678,6 +692,11 @@ void dpp1_dscl_set_scaler_manual_scale( dpp->scl_data = *scl_data; + if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.dscl) { + if (dscl_mode != DSCL_MODE_DSCL_BYPASS) + dpp1_power_on_dscl(dpp_base, true); + } + /* Autocal off */ REG_SET_3(DSCL_AUTOCAL, 0, AUTOCAL_MODE, AUTOCAL_MODE_OFF, @@ -697,8 +716,11 @@ void dpp1_dscl_set_scaler_manual_scale( /* SCL mode */ REG_UPDATE(SCL_MODE, DSCL_MODE, dscl_mode); - if (dscl_mode == DSCL_MODE_DSCL_BYPASS) + if (dscl_mode == DSCL_MODE_DSCL_BYPASS) { + if (dpp_base->ctx->dc->debug.enable_mem_low_power.bits.dscl) + dpp1_power_on_dscl(dpp_base, false); return; + } /* LB */ lb_config = dpp1_dscl_find_lb_memory_config(dpp, scl_data); |