diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c new file mode 100644 index 000000000000..ccfcf1c0eeb3 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dce80/dce80_hw_sequencer.c @@ -0,0 +1,117 @@ +/* + * 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 "dce80_hw_sequencer.h" + +#include "dce/dce_hwseq.h" +#include "dce110/dce110_hw_sequencer.h" +#include "dce100/dce100_hw_sequencer.h" + +/* include DCE8 register header files */ +#include "dce/dce_8_0_d.h" +#include "dce/dce_8_0_sh_mask.h" + +struct dce80_hw_seq_reg_offsets { + uint32_t crtc; +}; + +static const struct dce80_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 dce80_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; +} + +void dce80_hw_sequencer_construct(struct dc *dc) +{ + dce110_hw_sequencer_construct(dc); + + dc->hwss.enable_display_power_gating = dce80_enable_display_power_gating; + dc->hwss.pipe_control_lock = dce_pipe_control_lock; + dc->hwss.set_bandwidth = dce100_set_bandwidth; +} + |