drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubp.c

   1 /*
   2  * Copyright 2012-20 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: AMD
  23  *
  24  */
  25
  26 #include "dm_services.h"
  27 #include "dce_calcs.h"
  28 #include "reg_helper.h"
  29 #include "basics/conversion.h"
  30 #include "dcn31_hubp.h"
  31
  32 #define REG(reg)\
  33         hubp2->hubp_regs->reg
  34
  35 #define CTX \
  36         hubp2->base.ctx
  37
  38 #undef FN
  39 #define FN(reg_name, field_name) \
  40         hubp2->hubp_shift->field_name, hubp2->hubp_mask->field_name
  41
  42 void hubp31_set_unbounded_requesting(struct hubp *hubp, bool enable)
  43 {
  44         struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
  45
  46         REG_UPDATE(DCHUBP_CNTL, HUBP_UNBOUNDED_REQ_MODE, enable);
  47         REG_UPDATE(CURSOR_CONTROL, CURSOR_REQ_MODE, enable);
  48 }
  49
  50 void hubp31_soft_reset(struct hubp *hubp, bool reset)
  51 {
  52         struct dcn20_hubp *hubp2 = TO_DCN20_HUBP(hubp);
  53
  54         REG_UPDATE(DCHUBP_CNTL, HUBP_SOFT_RESET, reset);
  55 }
  56
  57 static struct hubp_funcs dcn31_hubp_funcs = {
  58         .hubp_enable_tripleBuffer = hubp2_enable_triplebuffer,
  59         .hubp_is_triplebuffer_enabled = hubp2_is_triplebuffer_enabled,
  60         .hubp_program_surface_flip_and_addr = hubp3_program_surface_flip_and_addr,
  61         .hubp_program_surface_config = hubp3_program_surface_config,
  62         .hubp_is_flip_pending = hubp2_is_flip_pending,
  63         .hubp_setup = hubp3_setup,
  64         .hubp_setup_interdependent = hubp2_setup_interdependent,
  65         .hubp_set_vm_system_aperture_settings = hubp3_set_vm_system_aperture_settings,
  66         .set_blank = hubp2_set_blank,
  67         .dcc_control = hubp3_dcc_control,
  68         .mem_program_viewport = min_set_viewport,
  69         .set_cursor_attributes  = hubp2_cursor_set_attributes,
  70         .set_cursor_position    = hubp2_cursor_set_position,
  71         .hubp_clk_cntl = hubp2_clk_cntl,
  72         .hubp_vtg_sel = hubp2_vtg_sel,
  73         .dmdata_set_attributes = hubp3_dmdata_set_attributes,
  74         .dmdata_load = hubp2_dmdata_load,
  75         .dmdata_status_done = hubp2_dmdata_status_done,
  76         .hubp_read_state = hubp3_read_state,
  77         .hubp_clear_underflow = hubp2_clear_underflow,
  78         .hubp_set_flip_control_surface_gsl = hubp2_set_flip_control_surface_gsl,
  79         .hubp_init = hubp3_init,
  80         .set_unbounded_requesting = hubp31_set_unbounded_requesting,
  81         .hubp_soft_reset = hubp31_soft_reset,
  82         .hubp_in_blank = hubp1_in_blank,
  83 };
  84
  85 bool hubp31_construct(
  86         struct dcn20_hubp *hubp2,
  87         struct dc_context *ctx,
  88         uint32_t inst,
  89         const struct dcn_hubp2_registers *hubp_regs,
  90         const struct dcn_hubp2_shift *hubp_shift,
  91         const struct dcn_hubp2_mask *hubp_mask)
  92 {
  93         hubp2->base.funcs = &dcn31_hubp_funcs;
  94         hubp2->base.ctx = ctx;
  95         hubp2->hubp_regs = hubp_regs;
  96         hubp2->hubp_shift = hubp_shift;
  97         hubp2->hubp_mask = hubp_mask;
  98         hubp2->base.inst = inst;
  99         hubp2->base.opp_id = OPP_ID_INVALID;
 100         hubp2->base.mpcc_id = 0xf;
 101
 102         return true;
 103 }