[PATCH 07/15] drm/amd/display: remove redundant CONFIG_DRM_AMD_DC_DCN in dc

Alex Deucher alexdeucher at gmail.com
Fri May 6 18:00:09 UTC 2022


On Fri, May 6, 2022 at 1:12 PM Rodrigo Siqueira Jordao
<Rodrigo.Siqueira at amd.com> wrote:
>
>
>
> On 2022-05-06 11:56, Alex Deucher wrote:
> > On Fri, May 6, 2022 at 11:43 AM Stylon Wang <stylon.wang at amd.com> wrote:
> >>
> >> From: Alex Hung <alex.hung at amd.com>
> >>
> >> [Why & How]
> >> CONFIG_DRM_AMD_DC_DCN is used by pass the compilation failures, but DC
> >> code should be OS-agnostic.
> >>
> >> This patch fixes it by removing unnecessasry CONFIG_DRM_AMD_DC_DCN
> >> in dc and dc/core directories.
> >>
> >> Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
> >> Acked-by: Stylon Wang <stylon.wang at amd.com>
> >> Signed-off-by: Alex Hung <alex.hung at amd.com>
> >
> > I presume the driver still builds properly on configs where
> > CONFIG_DRM_AMD_DC_DCN is not set?  E.g., platforms without floating
> > point for example?
> >
>
> Hi Alex,
>
> This is part of our effort to isolate FPU code inside DML (right now, we
> are only missing DCN30); since we are really close to that, many of
> these guards become useless. All of these patches were tested in our CI
> against:
>
> 1. x86 with DCN
> 2. x86 without DCN
> 3. Clang
> 4. make allmodconfig
>
> Additionally, I think that Alex Hung also checked the compilation with
> PowerPC.

Excellent.  Thanks!

Alex

>
> Thanks
> Siqueira
>
>
> > Alex
> >
> >> ---
> >>   drivers/gpu/drm/amd/display/dc/Makefile       |  2 -
> >>   .../display/dc/bios/command_table_helper2.c   |  3 +-
> >>   drivers/gpu/drm/amd/display/dc/core/dc.c      | 31 ++--------------
> >>   .../gpu/drm/amd/display/dc/core/dc_debug.c    |  2 -
> >>   drivers/gpu/drm/amd/display/dc/core/dc_link.c |  2 -
> >>   .../gpu/drm/amd/display/dc/core/dc_link_dp.c  |  4 --
> >>   .../drm/amd/display/dc/core/dc_link_dpia.c    |  2 -
> >>   .../gpu/drm/amd/display/dc/core/dc_resource.c | 21 ++---------
> >>   .../gpu/drm/amd/display/dc/core/dc_stream.c   |  8 ----
> >>   drivers/gpu/drm/amd/display/dc/dc.h           | 37 -------------------
> >>   drivers/gpu/drm/amd/display/dc/dm_helpers.h   |  2 -
> >>   .../gpu/drm/amd/display/dc/inc/core_types.h   | 17 ++-------
> >>   12 files changed, 10 insertions(+), 121 deletions(-)
> >>
> >> diff --git a/drivers/gpu/drm/amd/display/dc/Makefile b/drivers/gpu/drm/amd/display/dc/Makefile
> >> index f05ab2bf20c5..b4eca0236435 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/Makefile
> >> +++ b/drivers/gpu/drm/amd/display/dc/Makefile
> >> @@ -63,9 +63,7 @@ DISPLAY_CORE = dc.o  dc_stat.o dc_link.o dc_resource.o dc_hw_sequencer.o dc_sink
> >>   dc_surface.o dc_link_dp.o dc_link_ddc.o dc_debug.o dc_stream.o \
> >>   dc_link_enc_cfg.o dc_link_dpia.o dc_link_dpcd.o
> >>
> >> -ifdef CONFIG_DRM_AMD_DC_DCN
> >>   DISPLAY_CORE += dc_vm_helper.o
> >> -endif
> >>
> >>   AMD_DISPLAY_CORE = $(addprefix $(AMDDALPATH)/dc/core/,$(DISPLAY_CORE))
> >>
> >> 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 dd9704ef4ccc..f3792286f571 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
> >> @@ -65,7 +65,6 @@ bool dal_bios_parser_init_cmd_tbl_helper2(
> >>          case DCE_VERSION_12_1:
> >>                  *h = dal_cmd_tbl_helper_dce112_get_table2();
> >>                  return true;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          case DCN_VERSION_1_0:
> >>          case DCN_VERSION_1_01:
> >>          case DCN_VERSION_2_0:
> >> @@ -80,7 +79,7 @@ bool dal_bios_parser_init_cmd_tbl_helper2(
> >>          case DCN_VERSION_3_16:
> >>                  *h = dal_cmd_tbl_helper_dce112_get_table2();
> >>                  return true;
> >> -#endif
> >> +
> >>          default:
> >>                  /* Unsupported DCE */
> >>                  BREAK_TO_DEBUGGER();
> >> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
> >> index c2fcd67bcc4d..1eeea7c184ae 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/core/dc.c
> >> +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
> >> @@ -829,14 +829,12 @@ static void dc_destruct(struct dc *dc)
> >>          kfree(dc->bw_dceip);
> >>          dc->bw_dceip = NULL;
> >>
> >> -#ifdef CONFIG_DRM_AMD_DC_DCN
> >>          kfree(dc->dcn_soc);
> >>          dc->dcn_soc = NULL;
> >>
> >>          kfree(dc->dcn_ip);
> >>          dc->dcn_ip = NULL;
> >>
> >> -#endif
> >>          kfree(dc->vm_helper);
> >>          dc->vm_helper = NULL;
> >>
> >> @@ -882,10 +880,8 @@ static bool dc_construct(struct dc *dc,
> >>          struct dc_context *dc_ctx;
> >>          struct bw_calcs_dceip *dc_dceip;
> >>          struct bw_calcs_vbios *dc_vbios;
> >> -#ifdef CONFIG_DRM_AMD_DC_DCN
> >>          struct dcn_soc_bounding_box *dcn_soc;
> >>          struct dcn_ip_params *dcn_ip;
> >> -#endif
> >>
> >>          dc->config = init_params->flags;
> >>
> >> @@ -913,7 +909,6 @@ static bool dc_construct(struct dc *dc,
> >>          }
> >>
> >>          dc->bw_vbios = dc_vbios;
> >> -#ifdef CONFIG_DRM_AMD_DC_DCN
> >>          dcn_soc = kzalloc(sizeof(*dcn_soc), GFP_KERNEL);
> >>          if (!dcn_soc) {
> >>                  dm_error("%s: failed to create dcn_soc\n", __func__);
> >> @@ -929,7 +924,6 @@ static bool dc_construct(struct dc *dc,
> >>          }
> >>
> >>          dc->dcn_ip = dcn_ip;
> >> -#endif
> >>
> >>          if (!dc_construct_ctx(dc, init_params)) {
> >>                  dm_error("%s: failed to create ctx\n", __func__);
> >> @@ -1868,7 +1862,6 @@ bool dc_commit_state(struct dc *dc, struct dc_state *context)
> >>          return (result == DC_OK);
> >>   }
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>   bool dc_acquire_release_mpc_3dlut(
> >>                  struct dc *dc, bool acquire,
> >>                  struct dc_stream_state *stream,
> >> @@ -1904,7 +1897,7 @@ bool dc_acquire_release_mpc_3dlut(
> >>          }
> >>          return ret;
> >>   }
> >> -#endif
> >> +
> >>   static bool is_flip_pending_in_pipes(struct dc *dc, struct dc_state *context)
> >>   {
> >>          int i;
> >> @@ -1925,7 +1918,6 @@ static bool is_flip_pending_in_pipes(struct dc *dc, struct dc_state *context)
> >>          return false;
> >>   }
> >>
> >> -#ifdef CONFIG_DRM_AMD_DC_DCN
> >>   /* Perform updates here which need to be deferred until next vupdate
> >>    *
> >>    * i.e. blnd lut, 3dlut, and shaper lut bypass regs are double buffered
> >> @@ -1944,7 +1936,6 @@ static void process_deferred_updates(struct dc *dc)
> >>                                  dc->res_pool->dpps[i]->funcs->dpp_deferred_update(dc->res_pool->dpps[i]);
> >>          }
> >>   }
> >> -#endif /* CONFIG_DRM_AMD_DC_DCN */
> >>
> >>   void dc_post_update_surfaces_to_stream(struct dc *dc)
> >>   {
> >> @@ -1971,9 +1962,7 @@ void dc_post_update_surfaces_to_stream(struct dc *dc)
> >>                          dc->hwss.disable_plane(dc, &context->res_ctx.pipe_ctx[i]);
> >>                  }
> >>
> >> -#ifdef CONFIG_DRM_AMD_DC_DCN
> >>          process_deferred_updates(dc);
> >> -#endif
> >>
> >>          dc->hwss.optimize_bandwidth(dc, context);
> >>
> >> @@ -1987,9 +1976,7 @@ static void init_state(struct dc *dc, struct dc_state *context)
> >>           * initialize and obtain IP and SOC the base DML instance from DC is
> >>           * initially copied into every context
> >>           */
> >> -#ifdef CONFIG_DRM_AMD_DC_DCN
> >>          memcpy(&context->bw_ctx.dml, &dc->dml, sizeof(struct display_mode_lib));
> >> -#endif
> >>   }
> >>
> >>   struct dc_state *dc_create_state(struct dc *dc)
> >> @@ -2361,11 +2348,9 @@ static enum surface_update_type check_update_surfaces_for_stream(
> >>          int i;
> >>          enum surface_update_type overall_type = UPDATE_TYPE_FAST;
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          if (dc->idle_optimizations_allowed)
> >>                  overall_type = UPDATE_TYPE_FULL;
> >>
> >> -#endif
> >>          if (stream_status == NULL || stream_status->plane_count != surface_count)
> >>                  overall_type = UPDATE_TYPE_FULL;
> >>
> >> @@ -2874,10 +2859,8 @@ static void commit_planes_for_stream(struct dc *dc,
> >>          }
> >>
> >>          if (update_type == UPDATE_TYPE_FULL) {
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>                  dc_allow_idle_optimizations(dc, false);
> >>
> >> -#endif
> >>                  if (get_seamless_boot_stream_count(context) == 0)
> >>                          dc->hwss.prepare_bandwidth(dc, context);
> >>
> >> @@ -2895,7 +2878,6 @@ static void commit_planes_for_stream(struct dc *dc,
> >>                  }
> >>          }
> >>
> >> -#ifdef CONFIG_DRM_AMD_DC_DCN
> >>          if (stream->test_pattern.type != DP_TEST_PATTERN_VIDEO_MODE) {
> >>                  struct pipe_ctx *mpcc_pipe;
> >>                  struct pipe_ctx *odm_pipe;
> >> @@ -2904,7 +2886,6 @@ static void commit_planes_for_stream(struct dc *dc,
> >>                          for (odm_pipe = mpcc_pipe; odm_pipe; odm_pipe = odm_pipe->next_odm_pipe)
> >>                                  odm_pipe->ttu_regs.min_ttu_vblank = MAX_TTU;
> >>          }
> >> -#endif
> >>
> >>          if ((update_type != UPDATE_TYPE_FAST) && stream->update_flags.bits.dsc_changed)
> >>                  if (top_pipe_to_program &&
> >> @@ -3014,7 +2995,6 @@ static void commit_planes_for_stream(struct dc *dc,
> >>          }
> >>          if (dc->hwss.program_front_end_for_ctx && update_type != UPDATE_TYPE_FAST) {
> >>                  dc->hwss.program_front_end_for_ctx(dc, context);
> >> -#ifdef CONFIG_DRM_AMD_DC_DCN
> >>                  if (dc->debug.validate_dml_output) {
> >>                          for (i = 0; i < dc->res_pool->pipe_count; i++) {
> >>                                  struct pipe_ctx *cur_pipe = &context->res_ctx.pipe_ctx[i];
> >> @@ -3028,7 +3008,6 @@ static void commit_planes_for_stream(struct dc *dc,
> >>                                                  &context->res_ctx.pipe_ctx[i].ttu_regs);
> >>                          }
> >>                  }
> >> -#endif
> >>          }
> >>
> >>          // Update Type FAST, Surface updates
> >> @@ -3583,8 +3562,6 @@ bool dc_set_psr_allow_active(struct dc *dc, bool enable)
> >>          return true;
> >>   }
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >> -
> >>   void dc_allow_idle_optimizations(struct dc *dc, bool allow)
> >>   {
> >>          if (dc->debug.disable_idle_power_optimizations)
> >> @@ -3740,7 +3717,6 @@ void dc_hardware_release(struct dc *dc)
> >>          if (dc->hwss.hardware_release)
> >>                  dc->hwss.hardware_release(dc);
> >>   }
> >> -#endif
> >>
> >>   /*
> >>    *****************************************************************************
> >> @@ -3760,13 +3736,12 @@ void dc_hardware_release(struct dc *dc)
> >>    */
> >>   bool dc_is_dmub_outbox_supported(struct dc *dc)
> >>   {
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >> -       /* YELLOW_CARP B0 USB4 DPIA needs dmub notifications for interrupts */
> >> +       /* DCN31 B0 USB4 DPIA needs dmub notifications for interrupts */
> >>          if (dc->ctx->asic_id.chip_family == FAMILY_YELLOW_CARP &&
> >>              dc->ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0 &&
> >>              !dc->debug.dpia_debug.bits.disable_dpia)
> >>                  return true;
> >> -#endif
> >> +
> >>          /* dmub aux needs dmub notifications to be enabled */
> >>          return dc->debug.enable_dmub_aux_for_legacy_ddc;
> >>   }
> >> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_debug.c b/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
> >> index 643762542e4d..72376075db0c 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
> >> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_debug.c
> >> @@ -345,7 +345,6 @@ void context_clock_trace(
> >>                  struct dc *dc,
> >>                  struct dc_state *context)
> >>   {
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          DC_LOGGER_INIT(dc->ctx->logger);
> >>          CLOCK_TRACE("Current: dispclk_khz:%d  max_dppclk_khz:%d  dcfclk_khz:%d\n"
> >>                          "dcfclk_deep_sleep_khz:%d  fclk_khz:%d  socclk_khz:%d\n",
> >> @@ -363,7 +362,6 @@ void context_clock_trace(
> >>                          context->bw_ctx.bw.dcn.clk.dcfclk_deep_sleep_khz,
> >>                          context->bw_ctx.bw.dcn.clk.fclk_khz,
> >>                          context->bw_ctx.bw.dcn.clk.socclk_khz);
> >> -#endif
> >>   }
> >>
> >>   /**
> >> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> >> index 07f154fc4e56..9529b924742e 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> >> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> >> @@ -804,7 +804,6 @@ static bool wait_for_entering_dp_alt_mode(struct dc_link *link)
> >>
> >>   static void apply_dpia_mst_dsc_always_on_wa(struct dc_link *link)
> >>   {
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          /* Apply work around for tunneled MST on certain USB4 docks. Always use DSC if dock
> >>           * reports DSC support.
> >>           */
> >> @@ -815,7 +814,6 @@ static void apply_dpia_mst_dsc_always_on_wa(struct dc_link *link)
> >>                          link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT &&
> >>                          !link->dc->debug.dpia_debug.bits.disable_mst_dsc_work_around)
> >>                  link->wa_flags.dpia_mst_dsc_always_on = true;
> >> -#endif
> >>   }
> >>
> >>   static void revert_dpia_mst_dsc_always_on_wa(struct dc_link *link)
> >> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> >> index 5e49e346aa06..975d631534b5 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> >> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
> >> @@ -5127,12 +5127,10 @@ void dp_retrieve_lttpr_cap(struct dc_link *link)
> >>          else
> >>                  link->lttpr_support = LTTPR_CHECK_EXT_SUPPORT;
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          /* Check DP tunnel LTTPR mode debug option. */
> >>          if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA &&
> >>              link->dc->debug.dpia_debug.bits.force_non_lttpr)
> >>                  link->lttpr_support = LTTPR_UNSUPPORTED;
> >> -#endif
> >>
> >>          if (link->lttpr_support > LTTPR_UNSUPPORTED) {
> >>                  /* By reading LTTPR capability, RX assumes that we will enable
> >> @@ -5626,9 +5624,7 @@ static bool retrieve_link_cap(struct dc_link *link)
> >>                   * only if required.
> >>                   */
> >>                  if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA &&
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>                                  !link->dc->debug.dpia_debug.bits.disable_force_tbt3_work_around &&
> >> -#endif
> >>                                  link->dpcd_caps.is_branch_dev &&
> >>                                  link->dpcd_caps.branch_dev_id == DP_BRANCH_DEVICE_ID_90CC24 &&
> >>                                  link->dpcd_caps.branch_hw_revision == DP_BRANCH_HW_REV_10 &&
> >> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c
> >> index 0e95bc5df4e7..a5765f36d86f 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c
> >> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c
> >> @@ -547,11 +547,9 @@ static uint32_t dpia_get_eq_aux_rd_interval(const struct dc_link *link,
> >>                                  dp_translate_training_aux_read_interval(
> >>                                          link->dpcd_caps.lttpr_caps.aux_rd_interval[hop - 1]);
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          /* Check debug option for extending aux read interval. */
> >>          if (link->dc->debug.dpia_debug.bits.extend_aux_rd_interval)
> >>                  wait_time_microsec = DPIA_DEBUG_EXTENDED_AUX_RD_INTERVAL_US;
> >> -#endif
> >>
> >>          return wait_time_microsec;
> >>   }
> >> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> >> index 147c6a3c6312..f702919a2279 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> >> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> >> @@ -56,7 +56,6 @@
> >>   #include "dce110/dce110_resource.h"
> >>   #include "dce112/dce112_resource.h"
> >>   #include "dce120/dce120_resource.h"
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>   #include "dcn10/dcn10_resource.h"
> >>   #include "dcn20/dcn20_resource.h"
> >>   #include "dcn21/dcn21_resource.h"
> >> @@ -68,7 +67,6 @@
> >>   #include "dcn31/dcn31_resource.h"
> >>   #include "dcn315/dcn315_resource.h"
> >>   #include "dcn316/dcn316_resource.h"
> >> -#endif
> >>
> >>   #define DC_LOGGER_INIT(logger)
> >>
> >> @@ -124,7 +122,6 @@ enum dce_version resource_parse_asic_id(struct hw_asic_id asic_id)
> >>                  else
> >>                          dc_version = DCE_VERSION_12_0;
> >>                  break;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          case FAMILY_RV:
> >>                  dc_version = DCN_VERSION_1_0;
> >>                  if (ASICREV_IS_RAVEN2(asic_id.hw_internal_rev))
> >> @@ -165,7 +162,6 @@ enum dce_version resource_parse_asic_id(struct hw_asic_id asic_id)
> >>                  if (ASICREV_IS_GC_10_3_7(asic_id.hw_internal_rev))
> >>                          dc_version = DCN_VERSION_3_16;
> >>                  break;
> >> -#endif
> >>
> >>          default:
> >>                  dc_version = DCE_VERSION_UNKNOWN;
> >> @@ -397,7 +393,6 @@ bool resource_construct(
> >>                  }
> >>          }
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          for (i = 0; i < caps->num_mpc_3dlut; i++) {
> >>                  pool->mpc_lut[i] = dc_create_3dlut_func();
> >>                  if (pool->mpc_lut[i] == NULL)
> >> @@ -406,7 +401,7 @@ bool resource_construct(
> >>                  if (pool->mpc_shaper[i] == NULL)
> >>                          DC_ERR("DC: failed to create MPC shaper!\n");
> >>          }
> >> -#endif
> >> +
> >>          dc->caps.dynamic_audio = false;
> >>          if (pool->audio_count < pool->stream_enc_count) {
> >>                  dc->caps.dynamic_audio = true;
> >> @@ -1369,7 +1364,6 @@ static struct pipe_ctx *acquire_free_pipe_for_head(
> >>          return pool->funcs->acquire_idle_pipe_for_layer(context, pool, head_pipe->stream);
> >>   }
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>   static int acquire_first_split_pipe(
> >>                  struct resource_context *res_ctx,
> >>                  const struct resource_pool *pool,
> >> @@ -1404,7 +1398,6 @@ static int acquire_first_split_pipe(
> >>          }
> >>          return -1;
> >>   }
> >> -#endif
> >>
> >>   bool dc_add_plane_to_context(
> >>                  const struct dc *dc,
> >> @@ -1447,13 +1440,12 @@ bool dc_add_plane_to_context(
> >>          while (head_pipe) {
> >>                  free_pipe = acquire_free_pipe_for_head(context, pool, head_pipe);
> >>
> >> -       #if defined(CONFIG_DRM_AMD_DC_DCN)
> >>                  if (!free_pipe) {
> >>                          int pipe_idx = acquire_first_split_pipe(&context->res_ctx, pool, stream);
> >>                          if (pipe_idx >= 0)
> >>                                  free_pipe = &context->res_ctx.pipe_ctx[pipe_idx];
> >>                  }
> >> -       #endif
> >> +
> >>                  if (!free_pipe) {
> >>                          dc_plane_state_release(plane_state);
> >>                          return false;
> >> @@ -2259,10 +2251,8 @@ enum dc_status resource_map_pool_resources(
> >>                  /* acquire new resources */
> >>                  pipe_idx = acquire_first_free_pipe(&context->res_ctx, pool, stream);
> >>
> >> -#ifdef CONFIG_DRM_AMD_DC_DCN
> >>          if (pipe_idx < 0)
> >>                  pipe_idx = acquire_first_split_pipe(&context->res_ctx, pool, stream);
> >> -#endif
> >>
> >>          if (pipe_idx < 0 || context->res_ctx.pipe_ctx[pipe_idx].stream_res.tg == NULL)
> >>                  return DC_NO_CONTROLLER_RESOURCE;
> >> @@ -2453,7 +2443,6 @@ enum dc_status dc_validate_global_state(
> >>                  if (!dc->res_pool->funcs->validate_bandwidth(dc, new_ctx, fast_validate))
> >>                          result = DC_FAIL_BANDWIDTH_VALIDATE;
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          /*
> >>           * Only update link encoder to stream assignment after bandwidth validation passed.
> >>           * TODO: Split out assignment and validation.
> >> @@ -2461,7 +2450,6 @@ enum dc_status dc_validate_global_state(
> >>          if (result == DC_OK && dc->res_pool->funcs->link_encs_assign && fast_validate == false)
> >>                  dc->res_pool->funcs->link_encs_assign(
> >>                          dc, new_ctx, new_ctx->streams, new_ctx->stream_count);
> >> -#endif
> >>
> >>          return result;
> >>   }
> >> @@ -3189,10 +3177,8 @@ unsigned int resource_pixel_format_to_bpp(enum surface_pixel_format format)
> >>          case SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010:
> >>          case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010:
> >>          case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010_XR_BIAS:
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          case SURFACE_PIXEL_FORMAT_GRPH_RGBE:
> >>          case SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA:
> >> -#endif
> >>                  return 32;
> >>          case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
> >>          case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616:
> >> @@ -3345,7 +3331,6 @@ uint8_t resource_transmitter_to_phy_idx(const struct dc *dc, enum transmitter tr
> >>          /* TODO - get transmitter to phy idx mapping from DMUB */
> >>          uint8_t phy_idx = transmitter - TRANSMITTER_UNIPHY_A;
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          if (dc->ctx->dce_version == DCN_VERSION_3_1 &&
> >>                          dc->ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0) {
> >>                  switch (transmitter) {
> >> @@ -3369,7 +3354,7 @@ uint8_t resource_transmitter_to_phy_idx(const struct dc *dc, enum transmitter tr
> >>                          break;
> >>                  }
> >>          }
> >> -#endif
> >> +
> >>          return phy_idx;
> >>   }
> >>
> >> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
> >> index c4e871f358ab..acca35d86c10 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
> >> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
> >> @@ -314,9 +314,7 @@ bool dc_stream_set_cursor_attributes(
> >>          const struct dc_cursor_attributes *attributes)
> >>   {
> >>          struct dc  *dc;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          bool reset_idle_optimizations = false;
> >> -#endif
> >>
> >>          if (NULL == stream) {
> >>                  dm_error("DC: dc_stream is NULL!\n");
> >> @@ -346,12 +344,10 @@ bool dc_stream_set_cursor_attributes(
> >>   #endif
> >>          program_cursor_attributes(dc, stream, attributes);
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          /* re-enable idle optimizations if necessary */
> >>          if (reset_idle_optimizations)
> >>                  dc_allow_idle_optimizations(dc, true);
> >>
> >> -#endif
> >>          return true;
> >>   }
> >>
> >> @@ -396,9 +392,7 @@ bool dc_stream_set_cursor_position(
> >>          const struct dc_cursor_position *position)
> >>   {
> >>          struct dc  *dc;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          bool reset_idle_optimizations = false;
> >> -#endif
> >>
> >>          if (NULL == stream) {
> >>                  dm_error("DC: dc_stream is NULL!\n");
> >> @@ -424,12 +418,10 @@ bool dc_stream_set_cursor_position(
> >>          stream->cursor_position = *position;
> >>
> >>          program_cursor_position(dc, stream, position);
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          /* re-enable idle optimizations if necessary */
> >>          if (reset_idle_optimizations)
> >>                  dc_allow_idle_optimizations(dc, true);
> >>
> >> -#endif
> >>          return true;
> >>   }
> >>
> >> diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
> >> index e37d9c19f089..0f86bb809e04 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/dc.h
> >> +++ b/drivers/gpu/drm/amd/display/dc/dc.h
> >> @@ -222,7 +222,6 @@ struct dc_dcc_setting {
> >>          unsigned int max_compressed_blk_size;
> >>          unsigned int max_uncompressed_blk_size;
> >>          bool independent_64b_blks;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          //These bitfields to be used starting with DCN
> >>          struct {
> >>                  uint32_t dcc_256_64_64 : 1;//available in ASICs before DCN (the worst compression case)
> >> @@ -230,7 +229,6 @@ struct dc_dcc_setting {
> >>                  uint32_t dcc_256_128_128 : 1;           //available starting with DCN
> >>                  uint32_t dcc_256_256_unconstrained : 1;  //available in ASICs before DCN (the best compression case)
> >>          } dcc_controls;
> >> -#endif
> >>   };
> >>
> >>   struct dc_surface_dcc_cap {
> >> @@ -332,9 +330,7 @@ struct dc_config {
> >>          bool enable_4to1MPC;
> >>          bool enable_windowed_mpo_odm;
> >>          bool allow_edp_hotplug_detection;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          bool clamp_min_dcfclk;
> >> -#endif
> >>          uint64_t vblank_alignment_dto_params;
> >>          uint8_t  vblank_alignment_max_frame_time_diff;
> >>          bool is_asymmetric_memory;
> >> @@ -395,14 +391,12 @@ enum dcn_pwr_state {
> >>          DCN_PWR_STATE_LOW_POWER = 3,
> >>   };
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>   enum dcn_zstate_support_state {
> >>          DCN_ZSTATE_SUPPORT_UNKNOWN,
> >>          DCN_ZSTATE_SUPPORT_ALLOW,
> >>          DCN_ZSTATE_SUPPORT_ALLOW_Z10_ONLY,
> >>          DCN_ZSTATE_SUPPORT_DISALLOW,
> >>   };
> >> -#endif
> >>   /*
> >>    * For any clocks that may differ per pipe
> >>    * only the max is stored in this structure
> >> @@ -420,10 +414,8 @@ struct dc_clocks {
> >>          int phyclk_khz;
> >>          int dramclk_khz;
> >>          bool p_state_change_support;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          enum dcn_zstate_support_state zstate_support;
> >>          bool dtbclk_en;
> >> -#endif
> >>          enum dcn_pwr_state pwr_state;
> >>          /*
> >>           * Elements below are not compared for the purposes of
> >> @@ -653,9 +645,7 @@ struct dc_debug_options {
> >>          bool disable_pplib_clock_request;
> >>          bool disable_clock_gate;
> >>          bool disable_mem_low_power;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          bool pstate_enabled;
> >> -#endif
> >>          bool disable_dmcu;
> >>          bool disable_psr;
> >>          bool force_abm_enable;
> >> @@ -673,20 +663,16 @@ struct dc_debug_options {
> >>          bool remove_disconnect_edp;
> >>          unsigned int force_odm_combine; //bit vector based on otg inst
> >>          unsigned int seamless_boot_odm_combine;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          unsigned int force_odm_combine_4to1; //bit vector based on otg inst
> >>          bool disable_z9_mpc;
> >> -#endif
> >>          unsigned int force_fclk_khz;
> >>          bool enable_tri_buf;
> >>          bool dmub_offload_enabled;
> >>          bool dmcub_emulation;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          bool disable_idle_power_optimizations;
> >>          unsigned int mall_size_override;
> >>          unsigned int mall_additional_timer_percent;
> >>          bool mall_error_as_fatal;
> >> -#endif
> >>          bool dmub_command_table; /* for testing only */
> >>          struct dc_bw_validation_profile bw_val_profile;
> >>          bool disable_fec;
> >> @@ -695,9 +681,7 @@ struct dc_debug_options {
> >>           * watermarks are not affected.
> >>           */
> >>          unsigned int force_min_dcfclk_mhz;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          int dwb_fi_phase;
> >> -#endif
> >>          bool disable_timing_sync;
> >>          bool cm_in_bypass;
> >>          int force_clock_mode;/*every mode change.*/
> >> @@ -729,11 +713,9 @@ struct dc_debug_options {
> >>          enum det_size crb_alloc_policy;
> >>          int crb_alloc_policy_min_disp_count;
> >>          bool disable_z10;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          bool enable_z9_disable_interface;
> >>          bool enable_sw_cntl_psr;
> >>          union dpia_debug_options dpia_debug;
> >> -#endif
> >>          bool apply_vendor_specific_lttpr_wa;
> >>          bool extended_blank_optimization;
> >>          union aux_wake_wa_options aux_wake_wa;
> >> @@ -767,11 +749,9 @@ struct dc {
> >>          /* Inputs into BW and WM calculations. */
> >>          struct bw_calcs_dceip *bw_dceip;
> >>          struct bw_calcs_vbios *bw_vbios;
> >> -#ifdef CONFIG_DRM_AMD_DC_DCN
> >>          struct dcn_soc_bounding_box *dcn_soc;
> >>          struct dcn_ip_params *dcn_ip;
> >>          struct display_mode_lib dml;
> >> -#endif
> >>
> >>          /* HW functions */
> >>          struct hw_sequencer_funcs hwss;
> >> @@ -780,12 +760,8 @@ struct dc {
> >>          /* Require to optimize clocks and bandwidth for added/removed planes */
> >>          bool optimized_required;
> >>          bool wm_optimized_required;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          bool idle_optimizations_allowed;
> >> -#endif
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          bool enable_c20_dtm_b0;
> >> -#endif
> >>
> >>          /* Require to maintain clocks and bandwidth for UEFI enabled HW */
> >>
> >> @@ -835,9 +811,7 @@ struct dc_init_data {
> >>          uint64_t log_mask;
> >>
> >>          struct dpcd_vendor_signature vendor_signature;
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          bool force_smu_not_present;
> >> -#endif
> >>   };
> >>
> >>   struct dc_callback_init {
> >> @@ -1030,9 +1004,7 @@ struct dc_plane_state {
> >>          struct dc_transfer_func *in_shaper_func;
> >>          struct dc_transfer_func *blend_tf;
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          struct dc_transfer_func *gamcor_tf;
> >> -#endif
> >>          enum surface_pixel_format format;
> >>          enum dc_rotation_angle rotation;
> >>          enum plane_stereo_format stereo_format;
> >> @@ -1169,13 +1141,11 @@ void dc_resource_state_construct(
> >>                  const struct dc *dc,
> >>                  struct dc_state *dst_ctx);
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>   bool dc_acquire_release_mpc_3dlut(
> >>                  struct dc *dc, bool acquire,
> >>                  struct dc_stream_state *stream,
> >>                  struct dc_3dlut **lut,
> >>                  struct dc_transfer_func **shaper);
> >> -#endif
> >>
> >>   void dc_resource_state_copy_construct(
> >>                  const struct dc_state *src_ctx,
> >> @@ -1306,10 +1276,8 @@ struct hdcp_caps {
> >>
> >>   #include "dc_link.h"
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>   uint32_t dc_get_opp_for_plane(struct dc *dc, struct dc_plane_state *plane);
> >>
> >> -#endif
> >>   /*******************************************************************************
> >>    * Sink Interfaces - A sink corresponds to a display output device
> >>    ******************************************************************************/
> >> @@ -1433,7 +1401,6 @@ bool dc_is_dmcu_initialized(struct dc *dc);
> >>
> >>   enum dc_status dc_set_clock(struct dc *dc, enum dc_clock_type clock_type, uint32_t clk_khz, uint32_t stepping);
> >>   void dc_get_clock(struct dc *dc, enum dc_clock_type clock_type, struct dc_clock_config *clock_cfg);
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>
> >>   bool dc_is_plane_eligible_for_idle_optimizations(struct dc *dc, struct dc_plane_state *plane,
> >>                                  struct dc_cursor_attributes *cursor_attr);
> >> @@ -1458,13 +1425,9 @@ void dc_enable_dcmode_clk_limit(struct dc *dc, bool enable);
> >>   /* cleanup on driver unload */
> >>   void dc_hardware_release(struct dc *dc);
> >>
> >> -#endif
> >> -
> >>   bool dc_set_psr_allow_active(struct dc *dc, bool enable);
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>   void dc_z10_restore(const struct dc *dc);
> >>   void dc_z10_save_init(struct dc *dc);
> >> -#endif
> >>
> >>   bool dc_is_dmub_outbox_supported(struct dc *dc);
> >>   bool dc_enable_dmub_notifications(struct dc *dc);
> >> diff --git a/drivers/gpu/drm/amd/display/dc/dm_helpers.h b/drivers/gpu/drm/amd/display/dc/dm_helpers.h
> >> index 31109db02e93..fb6a2d7b6470 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/dm_helpers.h
> >> +++ b/drivers/gpu/drm/amd/display/dc/dm_helpers.h
> >> @@ -160,9 +160,7 @@ void dm_set_dcn_clocks(
> >>                  struct dc_context *ctx,
> >>                  struct dc_clocks *clks);
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>   void dm_helpers_enable_periodic_detection(struct dc_context *ctx, bool enable);
> >> -#endif
> >>
> >>   void dm_set_phyd32clk(struct dc_context *ctx, int freq_khz);
> >>
> >> diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
> >> index 951c9b60917d..26f3a55c35d7 100644
> >> --- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
> >> +++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
> >> @@ -33,9 +33,7 @@
> >>   #include "dc_bios_types.h"
> >>   #include "mem_input.h"
> >>   #include "hubp.h"
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>   #include "mpc.h"
> >> -#endif
> >>   #include "dwb.h"
> >>   #include "mcif_wb.h"
> >>   #include "panel_cntl.h"
> >> @@ -181,7 +179,6 @@ struct resource_funcs {
> >>          void (*update_bw_bounding_box)(
> >>                          struct dc *dc,
> >>                          struct clk_bw_params *bw_params);
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          bool (*acquire_post_bldn_3dlut)(
> >>                          struct resource_context *res_ctx,
> >>                          const struct resource_pool *pool,
> >> @@ -194,7 +191,7 @@ struct resource_funcs {
> >>                          const struct resource_pool *pool,
> >>                          struct dc_3dlut **lut,
> >>                          struct dc_transfer_func **shaper);
> >> -#endif
> >> +
> >>          enum dc_status (*add_dsc_to_stream_resource)(
> >>                          struct dc *dc, struct dc_state *state,
> >>                          struct dc_stream_state *stream);
> >> @@ -254,10 +251,9 @@ struct resource_pool {
> >>          struct hpo_dp_stream_encoder *hpo_dp_stream_enc[MAX_HPO_DP2_ENCODERS];
> >>          unsigned int hpo_dp_link_enc_count;
> >>          struct hpo_dp_link_encoder *hpo_dp_link_enc[MAX_HPO_DP2_LINK_ENCODERS];
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          struct dc_3dlut *mpc_lut[MAX_PIPES];
> >>          struct dc_transfer_func *mpc_shaper[MAX_PIPES];
> >> -#endif
> >> +
> >>          struct {
> >>                  unsigned int xtalin_clock_inKhz;
> >>                  unsigned int dccg_ref_clock_inKhz;
> >> @@ -286,9 +282,7 @@ struct resource_pool {
> >>          struct dmcu *dmcu;
> >>          struct dmub_psr *psr;
> >>
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          struct abm *multiple_abms[MAX_PIPES];
> >> -#endif
> >>
> >>          const struct resource_funcs *funcs;
> >>          const struct resource_caps *res_cap;
> >> @@ -380,7 +374,6 @@ struct pipe_ctx {
> >>          struct pipe_ctx *next_odm_pipe;
> >>          struct pipe_ctx *prev_odm_pipe;
> >>
> >> -#ifdef CONFIG_DRM_AMD_DC_DCN
> >>          struct _vcs_dpi_display_dlg_regs_st dlg_regs;
> >>          struct _vcs_dpi_display_ttu_regs_st ttu_regs;
> >>          struct _vcs_dpi_display_rq_regs_st rq_regs;
> >> @@ -390,7 +383,7 @@ struct pipe_ctx {
> >>          struct _vcs_dpi_display_e2e_pipe_params_st dml_input;
> >>          int det_buffer_size_kb;
> >>          bool unbounded_req;
> >> -#endif
> >> +
> >>          union pipe_update_flags update_flags;
> >>          struct dwbc *dwbc;
> >>          struct mcif_wb *mcif_wb;
> >> @@ -419,9 +412,7 @@ struct resource_context {
> >>          bool is_hpo_dp_stream_enc_acquired[MAX_HPO_DP2_ENCODERS];
> >>          unsigned int hpo_dp_link_enc_to_link_idx[MAX_HPO_DP2_LINK_ENCODERS];
> >>          int hpo_dp_link_enc_ref_cnts[MAX_HPO_DP2_LINK_ENCODERS];
> >> -#if defined(CONFIG_DRM_AMD_DC_DCN)
> >>          bool is_mpc_3dlut_acquired[MAX_PIPES];
> >> -#endif
> >>   };
> >>
> >>   struct dce_bw_output {
> >> @@ -484,9 +475,7 @@ struct dc_state {
> >>
> >>          /* Note: these are big structures, do *not* put on stack! */
> >>          struct dm_pp_display_configuration pp_display_cfg;
> >> -#ifdef CONFIG_DRM_AMD_DC_DCN
> >>          struct dcn_bw_internal_vars dcn_bw_vars;
> >> -#endif
> >>
> >>          struct clk_mgr *clk_mgr;
> >>
> >> --
> >> 2.35.1
> >>
>


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