[PATCH v2 04/10] drm/amd/display: dc/bios: add support for DCE6
Alex Deucher
alexdeucher at gmail.com
Wed Oct 17 20:42:24 UTC 2018
On Wed, Oct 17, 2018 at 4:16 PM Wentland, Harry <Harry.Wentland at amd.com> wrote:
>
> On 2018-10-17 4:10 p.m., Alex Deucher wrote:
> > On Wed, Oct 17, 2018 at 3:54 PM Wentland, Harry <Harry.Wentland at amd.com> wrote:
> >>
> >> On 2018-10-17 4:35 a.m., Mauro Rossi wrote:
> >>> DCE6 targets are added replicating existing DCE8 implementation.
> >>> ---
> >>> drivers/gpu/drm/amd/display/dc/bios/Makefile | 9 +
> >>> .../display/dc/bios/command_table_helper.c | 8 +
> >>> .../display/dc/bios/command_table_helper.h | 3 +
> >>> .../display/dc/bios/command_table_helper2.c | 8 +
> >>> .../display/dc/bios/command_table_helper2.h | 3 +
> >>> .../bios/dce60/command_table_helper_dce60.c | 354 ++++++++++++++++++
> >>> .../bios/dce60/command_table_helper_dce60.h | 33 ++
> >>> 7 files changed, 418 insertions(+)
> >>> create mode 100644 drivers/gpu/drm/amd/display/dc/bios/dce60/command_table_helper_dce60.c
> >>> create mode 100644 drivers/gpu/drm/amd/display/dc/bios/dce60/command_table_helper_dce60.h
> >>>
> >>> diff --git a/drivers/gpu/drm/amd/display/dc/bios/Makefile b/drivers/gpu/drm/amd/display/dc/bios/Makefile
> >>> index 239e86bbec5a..ed6b5e9763f6 100644
> >>> --- a/drivers/gpu/drm/amd/display/dc/bios/Makefile
> >>> +++ b/drivers/gpu/drm/amd/display/dc/bios/Makefile
> >>> @@ -31,6 +31,15 @@ AMD_DAL_BIOS = $(addprefix $(AMDDALPATH)/dc/bios/,$(BIOS))
> >>>
> >>> AMD_DISPLAY_FILES += $(AMD_DAL_BIOS)
> >>>
> >>> +###############################################################################
> >>> +# DCE 6x
> >>> +###############################################################################
> >>> +# All DCE6.x are derived from DCE6.0, so 6.0 MUST be defined if ANY of
> >>> +# DCE6.x is compiled.
> >>> +ifdef CONFIG_DRM_AMD_DC_SI
> >>> +AMD_DISPLAY_FILES += $(AMDDALPATH)/dc/bios/dce60/command_table_helper_dce60.o
> >>> +endif
> >>> +
> >>> ###############################################################################
> >>> # DCE 8x
> >>> ###############################################################################
> >>> diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.c b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.c
> >>> index 253bbb1eea60..48b4ef03fc8f 100644
> >>> --- a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.c
> >>> +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.c
> >>> @@ -36,6 +36,14 @@ bool dal_bios_parser_init_cmd_tbl_helper(
> >>> enum dce_version dce)
> >>> {
> >>> switch (dce) {
> >>> +#if defined(CONFIG_DRM_AMD_DC_SI)
> >>> + case DCE_VERSION_6_0:
> >>> + case DCE_VERSION_6_1:
> >>> + case DCE_VERSION_6_4:
> >>> + *h = dal_cmd_tbl_helper_dce60_get_table();
> >>
> >> Can we just point these to the dce80 version since they're exactly the same?
> >
> > Some of the dig transmitter and encoder cmd tables had different
> > versions on DCE6 vs 8. I'm not sure if we need to do any different
> > translations for some of these.
> >
>
> Currently it's an exact copy. Since you remember differences it makes sense to duplicate this for DCE6 so we can update it for any difference if we'll need that.
>
> Mauro, ignore my comments in this case. :)
I just double checked the vbios DCE8 design documents and the cmd
tables are compatible (the only major difference was the addition of
the 7th phy which won't show up on DCE6, so not an issue). I also
double check the cmd table versions on a few bioses and they are the
same. We should be fine with just sharing the DCE8 code for DCE6 as
well. Sorry for the noise.
Alex
>
> Harry
>
> > Alex
> >
> >>
> >>> + return true;
> >>> +#endif
> >>> +
> >>> case DCE_VERSION_8_0:
> >>> case DCE_VERSION_8_1:
> >>> case DCE_VERSION_8_3:
> >>> diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.h b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.h
> >>> index 4c3789df253d..dfd30aaf4032 100644
> >>> --- a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.h
> >>> +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper.h
> >>> @@ -26,6 +26,9 @@
> >>> #ifndef __DAL_COMMAND_TABLE_HELPER_H__
> >>> #define __DAL_COMMAND_TABLE_HELPER_H__
> >>>
> >>> +#if defined(CONFIG_DRM_AMD_DC_SI)
> >>> +#include "dce60/command_table_helper_dce60.h"
> >>> +#endif
> >>> #include "dce80/command_table_helper_dce80.h"
> >>> #include "dce110/command_table_helper_dce110.h"
> >>> #include "dce112/command_table_helper_dce112.h"
> >>> diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c
> >>> index 65b006ad372e..92288c582934 100644
> >>> --- a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c
> >>> +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.c
> >>> @@ -37,6 +37,14 @@ bool dal_bios_parser_init_cmd_tbl_helper2(
> >>> enum dce_version dce)
> >>> {
> >>> switch (dce) {
> >>> +#if defined(CONFIG_DRM_AMD_DC_SI)
> >>> + case DCE_VERSION_6_0:
> >>> + case DCE_VERSION_6_1:
> >>> + case DCE_VERSION_6_4:
> >>> + *h = dal_cmd_tbl_helper_dce60_get_table();
> >>
> >> Same as above.
> >>
> >> Harry
> >>
> >>> + return true;
> >>> +#endif
> >>> +
> >>> case DCE_VERSION_8_0:
> >>> case DCE_VERSION_8_1:
> >>> case DCE_VERSION_8_3:
> >>> diff --git a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.h b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.h
> >>> index 785fcb20a1b9..66e0a3e73768 100644
> >>> --- a/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.h
> >>> +++ b/drivers/gpu/drm/amd/display/dc/bios/command_table_helper2.h
> >>> @@ -26,6 +26,9 @@
> >>> #ifndef __DAL_COMMAND_TABLE_HELPER2_H__
> >>> #define __DAL_COMMAND_TABLE_HELPER2_H__
> >>>
> >>> +#if defined(CONFIG_DRM_AMD_DC_SI)
> >>> +#include "dce60/command_table_helper_dce60.h"
> >>> +#endif
> >>> #include "dce80/command_table_helper_dce80.h"
> >>> #include "dce110/command_table_helper_dce110.h"
> >>> #include "dce112/command_table_helper2_dce112.h"
> >>> diff --git a/drivers/gpu/drm/amd/display/dc/bios/dce60/command_table_helper_dce60.c b/drivers/gpu/drm/amd/display/dc/bios/dce60/command_table_helper_dce60.c
> >>> new file mode 100644
> >>> index 000000000000..552778ce9835
> >>> --- /dev/null
> >>> +++ b/drivers/gpu/drm/amd/display/dc/bios/dce60/command_table_helper_dce60.c
> >>> @@ -0,0 +1,354 @@
> >>> +/*
> >>> + * Copyright 2012-15 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 "atom.h"
> >>> +
> >>> +#include "include/grph_object_id.h"
> >>> +#include "include/grph_object_defs.h"
> >>> +#include "include/bios_parser_types.h"
> >>> +
> >>> +#include "../command_table_helper.h"
> >>> +
> >>> +static uint8_t encoder_action_to_atom(enum bp_encoder_control_action action)
> >>> +{
> >>> + uint8_t atom_action = 0;
> >>> +
> >>> + switch (action) {
> >>> + case ENCODER_CONTROL_ENABLE:
> >>> + atom_action = ATOM_ENABLE;
> >>> + break;
> >>> + case ENCODER_CONTROL_DISABLE:
> >>> + atom_action = ATOM_DISABLE;
> >>> + break;
> >>> + case ENCODER_CONTROL_SETUP:
> >>> + atom_action = ATOM_ENCODER_CMD_SETUP;
> >>> + break;
> >>> + case ENCODER_CONTROL_INIT:
> >>> + atom_action = ATOM_ENCODER_INIT;
> >>> + break;
> >>> + default:
> >>> + BREAK_TO_DEBUGGER(); /* Unhandle action in driver.!! */
> >>> + break;
> >>> + }
> >>> +
> >>> + return atom_action;
> >>> +}
> >>> +
> >>> +static bool engine_bp_to_atom(enum engine_id id, uint32_t *atom_engine_id)
> >>> +{
> >>> + bool result = false;
> >>> +
> >>> + if (atom_engine_id != NULL)
> >>> + switch (id) {
> >>> + case ENGINE_ID_DIGA:
> >>> + *atom_engine_id = ASIC_INT_DIG1_ENCODER_ID;
> >>> + result = true;
> >>> + break;
> >>> + case ENGINE_ID_DIGB:
> >>> + *atom_engine_id = ASIC_INT_DIG2_ENCODER_ID;
> >>> + result = true;
> >>> + break;
> >>> + case ENGINE_ID_DIGC:
> >>> + *atom_engine_id = ASIC_INT_DIG3_ENCODER_ID;
> >>> + result = true;
> >>> + break;
> >>> + case ENGINE_ID_DIGD:
> >>> + *atom_engine_id = ASIC_INT_DIG4_ENCODER_ID;
> >>> + result = true;
> >>> + break;
> >>> + case ENGINE_ID_DIGE:
> >>> + *atom_engine_id = ASIC_INT_DIG5_ENCODER_ID;
> >>> + result = true;
> >>> + break;
> >>> + case ENGINE_ID_DIGF:
> >>> + *atom_engine_id = ASIC_INT_DIG6_ENCODER_ID;
> >>> + result = true;
> >>> + break;
> >>> + case ENGINE_ID_DIGG:
> >>> + *atom_engine_id = ASIC_INT_DIG7_ENCODER_ID;
> >>> + result = true;
> >>> + break;
> >>> + case ENGINE_ID_DACA:
> >>> + *atom_engine_id = ASIC_INT_DAC1_ENCODER_ID;
> >>> + result = true;
> >>> + break;
> >>> + default:
> >>> + break;
> >>> + }
> >>> +
> >>> + return result;
> >>> +}
> >>> +
> >>> +static bool clock_source_id_to_atom(
> >>> + enum clock_source_id id,
> >>> + uint32_t *atom_pll_id)
> >>> +{
> >>> + bool result = true;
> >>> +
> >>> + if (atom_pll_id != NULL)
> >>> + switch (id) {
> >>> + case CLOCK_SOURCE_ID_PLL0:
> >>> + *atom_pll_id = ATOM_PPLL0;
> >>> + break;
> >>> + case CLOCK_SOURCE_ID_PLL1:
> >>> + *atom_pll_id = ATOM_PPLL1;
> >>> + break;
> >>> + case CLOCK_SOURCE_ID_PLL2:
> >>> + *atom_pll_id = ATOM_PPLL2;
> >>> + break;
> >>> + case CLOCK_SOURCE_ID_EXTERNAL:
> >>> + *atom_pll_id = ATOM_PPLL_INVALID;
> >>> + break;
> >>> + case CLOCK_SOURCE_ID_DFS:
> >>> + *atom_pll_id = ATOM_EXT_PLL1;
> >>> + break;
> >>> + case CLOCK_SOURCE_ID_VCE:
> >>> + /* for VCE encoding,
> >>> + * we need to pass in ATOM_PPLL_INVALID
> >>> + */
> >>> + *atom_pll_id = ATOM_PPLL_INVALID;
> >>> + break;
> >>> + case CLOCK_SOURCE_ID_DP_DTO:
> >>> + /* When programming DP DTO PLL ID should be invalid */
> >>> + *atom_pll_id = ATOM_PPLL_INVALID;
> >>> + break;
> >>> + case CLOCK_SOURCE_ID_UNDEFINED:
> >>> + BREAK_TO_DEBUGGER(); /* check when this will happen! */
> >>> + *atom_pll_id = ATOM_PPLL_INVALID;
> >>> + result = false;
> >>> + break;
> >>> + default:
> >>> + result = false;
> >>> + break;
> >>> + }
> >>> +
> >>> + return result;
> >>> +}
> >>> +
> >>> +static uint8_t clock_source_id_to_atom_phy_clk_src_id(
> >>> + enum clock_source_id id)
> >>> +{
> >>> + uint8_t atom_phy_clk_src_id = 0;
> >>> +
> >>> + switch (id) {
> >>> + case CLOCK_SOURCE_ID_PLL0:
> >>> + atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P0PLL;
> >>> + break;
> >>> + case CLOCK_SOURCE_ID_PLL1:
> >>> + atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
> >>> + break;
> >>> + case CLOCK_SOURCE_ID_PLL2:
> >>> + atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P2PLL;
> >>> + break;
> >>> + case CLOCK_SOURCE_ID_EXTERNAL:
> >>> + atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_REFCLK_SRC_EXT;
> >>> + break;
> >>> + default:
> >>> + atom_phy_clk_src_id = ATOM_TRANSMITTER_CONFIG_V5_P1PLL;
> >>> + break;
> >>> + }
> >>> +
> >>> + return atom_phy_clk_src_id >> 2;
> >>> +}
> >>> +
> >>> +static uint8_t signal_type_to_atom_dig_mode(enum signal_type s)
> >>> +{
> >>> + uint8_t atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DP;
> >>> +
> >>> + switch (s) {
> >>> + case SIGNAL_TYPE_DISPLAY_PORT:
> >>> + case SIGNAL_TYPE_EDP:
> >>> + atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DP;
> >>> + break;
> >>> + case SIGNAL_TYPE_LVDS:
> >>> + atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_LVDS;
> >>> + break;
> >>> + case SIGNAL_TYPE_DVI_SINGLE_LINK:
> >>> + case SIGNAL_TYPE_DVI_DUAL_LINK:
> >>> + atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DVI;
> >>> + break;
> >>> + case SIGNAL_TYPE_HDMI_TYPE_A:
> >>> + atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_HDMI;
> >>> + break;
> >>> + case SIGNAL_TYPE_DISPLAY_PORT_MST:
> >>> + atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DP_MST;
> >>> + break;
> >>> + default:
> >>> + atom_dig_mode = ATOM_TRANSMITTER_DIGMODE_V5_DVI;
> >>> + break;
> >>> + }
> >>> +
> >>> + return atom_dig_mode;
> >>> +}
> >>> +
> >>> +static uint8_t hpd_sel_to_atom(enum hpd_source_id id)
> >>> +{
> >>> + uint8_t atom_hpd_sel = 0;
> >>> +
> >>> + switch (id) {
> >>> + case HPD_SOURCEID1:
> >>> + atom_hpd_sel = ATOM_TRANSMITTER_CONFIG_V5_HPD1_SEL;
> >>> + break;
> >>> + case HPD_SOURCEID2:
> >>> + atom_hpd_sel = ATOM_TRANSMITTER_CONFIG_V5_HPD2_SEL;
> >>> + break;
> >>> + case HPD_SOURCEID3:
> >>> + atom_hpd_sel = ATOM_TRANSMITTER_CONFIG_V5_HPD3_SEL;
> >>> + break;
> >>> + case HPD_SOURCEID4:
> >>> + atom_hpd_sel = ATOM_TRANSMITTER_CONFIG_V5_HPD4_SEL;
> >>> + break;
> >>> + case HPD_SOURCEID5:
> >>> + atom_hpd_sel = ATOM_TRANSMITTER_CONFIG_V5_HPD5_SEL;
> >>> + break;
> >>> + case HPD_SOURCEID6:
> >>> + atom_hpd_sel = ATOM_TRANSMITTER_CONFIG_V5_HPD6_SEL;
> >>> + break;
> >>> + case HPD_SOURCEID_UNKNOWN:
> >>> + default:
> >>> + atom_hpd_sel = 0;
> >>> + break;
> >>> + }
> >>> + return atom_hpd_sel >> 4;
> >>> +}
> >>> +
> >>> +static uint8_t dig_encoder_sel_to_atom(enum engine_id id)
> >>> +{
> >>> + uint8_t atom_dig_encoder_sel = 0;
> >>> +
> >>> + switch (id) {
> >>> + case ENGINE_ID_DIGA:
> >>> + atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGA_SEL;
> >>> + break;
> >>> + case ENGINE_ID_DIGB:
> >>> + atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGB_SEL;
> >>> + break;
> >>> + case ENGINE_ID_DIGC:
> >>> + atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGC_SEL;
> >>> + break;
> >>> + case ENGINE_ID_DIGD:
> >>> + atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGD_SEL;
> >>> + break;
> >>> + case ENGINE_ID_DIGE:
> >>> + atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGE_SEL;
> >>> + break;
> >>> + case ENGINE_ID_DIGF:
> >>> + atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGF_SEL;
> >>> + break;
> >>> + case ENGINE_ID_DIGG:
> >>> + atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGG_SEL;
> >>> + break;
> >>> + default:
> >>> + atom_dig_encoder_sel = ATOM_TRANMSITTER_V5__DIGA_SEL;
> >>> + break;
> >>> + }
> >>> +
> >>> + return atom_dig_encoder_sel;
> >>> +}
> >>> +
> >>> +static uint8_t phy_id_to_atom(enum transmitter t)
> >>> +{
> >>> + uint8_t atom_phy_id;
> >>> +
> >>> + switch (t) {
> >>> + case TRANSMITTER_UNIPHY_A:
> >>> + atom_phy_id = ATOM_PHY_ID_UNIPHYA;
> >>> + break;
> >>> + case TRANSMITTER_UNIPHY_B:
> >>> + atom_phy_id = ATOM_PHY_ID_UNIPHYB;
> >>> + break;
> >>> + case TRANSMITTER_UNIPHY_C:
> >>> + atom_phy_id = ATOM_PHY_ID_UNIPHYC;
> >>> + break;
> >>> + case TRANSMITTER_UNIPHY_D:
> >>> + atom_phy_id = ATOM_PHY_ID_UNIPHYD;
> >>> + break;
> >>> + case TRANSMITTER_UNIPHY_E:
> >>> + atom_phy_id = ATOM_PHY_ID_UNIPHYE;
> >>> + break;
> >>> + case TRANSMITTER_UNIPHY_F:
> >>> + atom_phy_id = ATOM_PHY_ID_UNIPHYF;
> >>> + break;
> >>> + case TRANSMITTER_UNIPHY_G:
> >>> + atom_phy_id = ATOM_PHY_ID_UNIPHYG;
> >>> + break;
> >>> + default:
> >>> + atom_phy_id = ATOM_PHY_ID_UNIPHYA;
> >>> + break;
> >>> + }
> >>> + return atom_phy_id;
> >>> +}
> >>> +
> >>> +static uint8_t disp_power_gating_action_to_atom(
> >>> + enum bp_pipe_control_action action)
> >>> +{
> >>> + uint8_t atom_pipe_action = 0;
> >>> +
> >>> + switch (action) {
> >>> + case ASIC_PIPE_DISABLE:
> >>> + atom_pipe_action = ATOM_DISABLE;
> >>> + break;
> >>> + case ASIC_PIPE_ENABLE:
> >>> + atom_pipe_action = ATOM_ENABLE;
> >>> + break;
> >>> + case ASIC_PIPE_INIT:
> >>> + atom_pipe_action = ATOM_INIT;
> >>> + break;
> >>> + default:
> >>> + BREAK_TO_DEBUGGER(); /* Unhandle action in driver! */
> >>> + break;
> >>> + }
> >>> +
> >>> + return atom_pipe_action;
> >>> +}
> >>> +
> >>> +static const struct command_table_helper command_table_helper_funcs = {
> >>> + .controller_id_to_atom = dal_cmd_table_helper_controller_id_to_atom,
> >>> + .encoder_action_to_atom = encoder_action_to_atom,
> >>> + .engine_bp_to_atom = engine_bp_to_atom,
> >>> + .clock_source_id_to_atom = clock_source_id_to_atom,
> >>> + .clock_source_id_to_atom_phy_clk_src_id =
> >>> + clock_source_id_to_atom_phy_clk_src_id,
> >>> + .signal_type_to_atom_dig_mode = signal_type_to_atom_dig_mode,
> >>> + .hpd_sel_to_atom = hpd_sel_to_atom,
> >>> + .dig_encoder_sel_to_atom = dig_encoder_sel_to_atom,
> >>> + .phy_id_to_atom = phy_id_to_atom,
> >>> + .disp_power_gating_action_to_atom = disp_power_gating_action_to_atom,
> >>> + .assign_control_parameter =
> >>> + dal_cmd_table_helper_assign_control_parameter,
> >>> + .clock_source_id_to_ref_clk_src =
> >>> + dal_cmd_table_helper_clock_source_id_to_ref_clk_src,
> >>> + .transmitter_bp_to_atom = dal_cmd_table_helper_transmitter_bp_to_atom,
> >>> + .encoder_id_to_atom = dal_cmd_table_helper_encoder_id_to_atom,
> >>> + .encoder_mode_bp_to_atom =
> >>> + dal_cmd_table_helper_encoder_mode_bp_to_atom,
> >>> +};
> >>> +
> >>> +const struct command_table_helper *dal_cmd_tbl_helper_dce60_get_table(void)
> >>> +{
> >>> + return &command_table_helper_funcs;
> >>> +}
> >>> diff --git a/drivers/gpu/drm/amd/display/dc/bios/dce60/command_table_helper_dce60.h b/drivers/gpu/drm/amd/display/dc/bios/dce60/command_table_helper_dce60.h
> >>> new file mode 100644
> >>> index 000000000000..591c796d0bf1
> >>> --- /dev/null
> >>> +++ b/drivers/gpu/drm/amd/display/dc/bios/dce60/command_table_helper_dce60.h
> >>> @@ -0,0 +1,33 @@
> >>> +/*
> >>> + * Copyright 2012-15 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
> >>> + *
> >>> + */
> >>> +
> >>> +#ifndef __DAL_COMMAND_TABLE_HELPER_DCE60_H__
> >>> +#define __DAL_COMMAND_TABLE_HELPER_DCE60_H__
> >>> +
> >>> +struct command_table_helper;
> >>> +
> >>> +const struct command_table_helper *dal_cmd_tbl_helper_dce60_get_table(void);
> >>> +
> >>> +#endif
> >>>
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