linux-kernel - Re: linux-next: build warning after merge of the amdgpu tree

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Message-ID: <20221005113620.4835b6c9@canb.auug.org.au>
Date:   Wed, 5 Oct 2022 11:36:20 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Dave Airlie <airlied@...hat.com>
Cc:     Alex Deucher <alexdeucher@...il.com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the amdgpu tree

Hi all,

On Wed, 31 Aug 2022 09:04:26 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> 
> On Fri, 12 Aug 2022 08:13:47 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > After merging the amdgpu tree, today's linux-next build (htmldocs)
> > produced this warning:
> > 
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'always_scale' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'always_use_regamma' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'aux_wake_wa' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'avoid_vbios_exec_table' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'az_endpoint_mute_only' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'bandwidth_calcs_trace' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'bw_val_profile' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'clock_trace' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'cm_in_bypass' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'crb_alloc_policy' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'crb_alloc_policy_min_disp_count' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_48mhz_pwrdwn' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_clock_gate' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dcc' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dfs_bypass' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dmcu' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dpp_power_gate' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dram_clock_change_vactive_support' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dsc' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dsc_edp' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dsc_power_gate' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_dtb_ref_clk_switch' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_fams' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_fec' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_fixed_vs_aux_timeout_wa' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_hubp_power_gate' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_idle_power_optimizations' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_mem_low_power' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_min_fclk' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_pplib_clock_request' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_pplib_wm_range' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_psr' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_stereo_support' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_stutter' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_timing_sync' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_uhbr' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_z10' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'disable_z9_mpc' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dmcub_emulation' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dml_disallow_alternate_prefetch_modes' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dml_hostvm_override' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dmub_command_table' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dmub_offload_enabled' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dpia_debug' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dram_clock_change_latency_ns' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dsc_bpp_increment_div' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dsc_min_slice_height_override' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'dwb_fi_phase' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'edid_read_retry_times' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dmcub_surface_flip' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dmub_aux_for_legacy_ddc' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dp_dig_pixel_rate_div_policy' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_dram_clock_change_one_display_vactive' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_driver_sequence_debug' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_mem_low_power' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_single_display_2to1_odm_policy' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_sw_cntl_psr' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_tri_buf' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'enable_z9_disable_interface' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'exit_idle_opt_for_cursor_updates' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'extended_blank_optimization' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'fec_enable_delay_in100us' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'fixed_vs_aux_delay_config_wa' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_abm_enable' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_clock_mode' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_disable_subvp' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_dp2_lt_fallback_method' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_dsc_edp_policy' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_fclk_khz' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_min_dcfclk_mhz' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_odm_combine' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_odm_combine_4to1' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_single_disp_pipe_split' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_subvp_mclk_switch' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_usr_allow' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'force_vblank_alignment' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'hdmi20_disable' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'hpo_optimization' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'ignore_cable_id' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'legacy_dp2_lt' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mall_additional_timer_percent' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mall_error_as_fatal' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mall_size_override' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'max_disp_clk' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'max_downscale_src_width' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'min_disp_clk_khz' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'min_dpp_clk_khz' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'min_dram_clk_khz' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'mst_start_top_delay' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'native422_support' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'optimize_edp_link_rate' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'optimized_watermark' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'percent_of_ideal_drambw' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'performance_trace' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'pplib_wm_report_mode' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'psr_power_use_phy_fsm' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'pstate_enabled' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'recovery_enabled' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'root_clock_optimization' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sanity_checks' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'scl_reset_length10' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'seamless_boot_odm_combine' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'set_mst_en_for_sst' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'skip_detection_link_training' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_enter_plus_exit_time_dpm0_ns' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_enter_plus_exit_time_ns' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_exit_time_dpm0_ns' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'sr_exit_time_ns' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'surface_trace' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'timing_trace' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'underflow_assert_delay_us' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'urgent_latency_ns' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'usbc_combo_phy_reset_wa' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'use_legacy_soc_bb_mechanism' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'use_max_lb' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'validate_dml_output' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'validation_trace' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'visual_confirm' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'visual_confirm_rect_height' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'voltage_align_fclk' not described in 'dc_debug_options'
> > drivers/gpu/drm/amd/display/dc/dc.h:847: warning: Function parameter or member 'vsr_support' not described in 'dc_debug_options'
> > 
> > Introduced by commit
> > 
> >   a2b3b9d57bdb ("drm/amd/display: Document pipe split policy")  
> 
> I am still seeing these warnings.

That is now commit

  ea76895ffab1 ("drm/amd/display: Document pipe split policy")

in the drm tree.

-- 
Cheers,
Stephen Rothwell

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