diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.c new file mode 100644 index 000000000000..e7a694835e3e --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_hw_sequencer.c @@ -0,0 +1,152 @@ +/* + * Copyright 2015 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ +#include "dm_services.h" +#include "dc.h" +#include "core_types.h" +#include "hw_sequencer.h" +#include "dce100_hw_sequencer.h" +#include "resource.h" + +#include "dce110/dce110_hw_sequencer.h" + +/* include DCE10 register header files */ +#include "dce/dce_10_0_d.h" +#include "dce/dce_10_0_sh_mask.h" + +struct dce100_hw_seq_reg_offsets { + uint32_t blnd; + uint32_t crtc; +}; + +static const struct dce100_hw_seq_reg_offsets reg_offsets[] = { +{ + .crtc = (mmCRTC0_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL), +}, +{ + .crtc = (mmCRTC1_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL), +}, +{ + .crtc = (mmCRTC2_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL), +}, +{ + .crtc = (mmCRTC3_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL), +}, +{ + .crtc = (mmCRTC4_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL), +}, +{ + .crtc = (mmCRTC5_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL), +} +}; + +#define HW_REG_CRTC(reg, id)\ + (reg + reg_offsets[id].crtc) + +/******************************************************************************* + * Private definitions + ******************************************************************************/ +/***************************PIPE_CONTROL***********************************/ + +static bool dce100_enable_display_power_gating( + struct dc *dc, + uint8_t controller_id, + struct dc_bios *dcb, + enum pipe_gating_control power_gating) +{ + enum bp_result bp_result = BP_RESULT_OK; + enum bp_pipe_control_action cntl; + struct dc_context *ctx = dc->ctx; + + if (power_gating == PIPE_GATING_CONTROL_INIT) + cntl = ASIC_PIPE_INIT; + else if (power_gating == PIPE_GATING_CONTROL_ENABLE) + cntl = ASIC_PIPE_ENABLE; + else + cntl = ASIC_PIPE_DISABLE; + + if (!(power_gating == PIPE_GATING_CONTROL_INIT && controller_id != 0)){ + + bp_result = dcb->funcs->enable_disp_power_gating( + dcb, controller_id + 1, cntl); + + /* Revert MASTER_UPDATE_MODE to 0 because bios sets it 2 + * by default when command table is called + */ + dm_write_reg(ctx, + HW_REG_CRTC(mmMASTER_UPDATE_MODE, controller_id), + 0); + } + + if (bp_result == BP_RESULT_OK) + return true; + else + return false; +} + +static void dce100_pplib_apply_display_requirements( + struct dc *dc, + struct dc_state *context) +{ + struct dm_pp_display_configuration *pp_display_cfg = &context->pp_display_cfg; + + pp_display_cfg->avail_mclk_switch_time_us = + dce110_get_min_vblank_time_us(context); + /*pp_display_cfg->min_memory_clock_khz = context->bw.dce.yclk_khz + / MEMORY_TYPE_MULTIPLIER;*/ + + dce110_fill_display_configs(context, pp_display_cfg); + + if (memcmp(&dc->prev_display_config, pp_display_cfg, sizeof( + struct dm_pp_display_configuration)) != 0) + dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg); + + dc->prev_display_config = *pp_display_cfg; +} + +void dce100_set_bandwidth( + struct dc *dc, + struct dc_state *context, + bool decrease_allowed) +{ + if (decrease_allowed || context->bw.dce.dispclk_khz > dc->current_state->bw.dce.dispclk_khz) { + dc->res_pool->display_clock->funcs->set_clock( + dc->res_pool->display_clock, + context->bw.dce.dispclk_khz * 115 / 100); + dc->current_state->bw.dce.dispclk_khz = context->bw.dce.dispclk_khz; + } + dce100_pplib_apply_display_requirements(dc, context); +} + + +/**************************************************************************/ + +void dce100_hw_sequencer_construct(struct dc *dc) +{ + dce110_hw_sequencer_construct(dc); + + dc->hwss.enable_display_power_gating = dce100_enable_display_power_gating; + dc->hwss.set_bandwidth = dce100_set_bandwidth; +} + |