LXR linux/drivers/gpu/drm/amd/display/dc/dcn31/dcn31

   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
  42void 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
  50void 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
  57static 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
  85bool 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}
 104