/*
* 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 "clk_mgr.h"
#include "dce100_hwseq.h"
#include "resource.h"
#include "dce110/dce110_hwseq.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***********************************/
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 ;
}
void dce100_prepare_bandwidth(
struct dc *dc,
struct dc_state *context)
{
dce110_set_safe_displaymarks(&context->res_ctx, dc->res_pool);
dc->clk_mgr->funcs->update_clocks(
dc->clk_mgr,
context,
false );
}
void dce100_optimize_bandwidth(
struct dc *dc,
struct dc_state *context)
{
dce110_set_safe_displaymarks(&context->res_ctx, dc->res_pool);
dc->clk_mgr->funcs->update_clocks(
dc->clk_mgr,
context,
true );
}
/**************************************************************************/
void dce100_hw_sequencer_construct(struct dc *dc)
{
dce110_hw_sequencer_construct(dc);
dc->hwseq->funcs.enable_display_power_gating = dce100_enable_display_power_gating;
dc->hwss.prepare_bandwidth = dce100_prepare_bandwidth;
dc->hwss.optimize_bandwidth = dce100_optimize_bandwidth;
dc->hwss.clear_surface_dcc_and_tiling = dce100_reset_surface_dcc_and_tiling;
}
/**
* dce100_reset_surface_dcc_and_tiling - Set DCC and tiling in DCE to their disable mode .
*
* @ pipe_ctx : Pointer to the pipe context structure .
* @ plane_state : Surface state
* @ clear_tiling : If true set tiling to Linear , otherwise does not change tiling
*
* This function is responsible for call the HUBP block to disable DCC and set
* tiling to the linear mode .
*/
void dce100_reset_surface_dcc_and_tiling(struct pipe_ctx *pipe_ctx,
struct dc_plane_state *plane_state,
bool clear_tiling)
{
struct mem_input *mi = pipe_ctx->plane_res.mi;
if (!mi)
return ;
/* if framebuffer is tiled, disable tiling */
if (clear_tiling && mi->funcs->mem_input_clear_tiling)
mi->funcs->mem_input_clear_tiling(mi);
/* force page flip to see the new content of the framebuffer */
mi->funcs->mem_input_program_surface_flip_and_addr(mi,
&plane_state->address,
true );
}
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