From 6ca3928da66ea08f87ad200c6e521e421ab5d59b Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sat, 7 Dec 2019 16:47:13 -0600 Subject: [PATCH] amdgpu: Prepare DCN floating point macros for generic arch support Introduce DC_FP_START()/DC_FP_END() macros to help enable floating point kernel mode support across various architectures. v2: move copyright update to commit which adds the changes Signed-off-by: Timothy Pearson Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 24 +++++++++++----------- .../gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 5 +++-- .../gpu/drm/amd/display/dc/dcn21/dcn21_resource.c | 6 ++++-- drivers/gpu/drm/amd/display/dc/os_types.h | 3 +++ 4 files changed, 22 insertions(+), 16 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c index a4ddd657598f..5dc8ffe70862 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c @@ -622,7 +622,7 @@ static bool dcn_bw_apply_registry_override(struct dc *dc) { bool updated = false; - kernel_fpu_begin(); + DC_FP_START(); if ((int)(dc->dcn_soc->sr_exit_time * 1000) != dc->debug.sr_exit_time_ns && dc->debug.sr_exit_time_ns) { updated = true; @@ -658,7 +658,7 @@ static bool dcn_bw_apply_registry_override(struct dc *dc) dc->dcn_soc->dram_clock_change_latency = dc->debug.dram_clock_change_latency_ns / 1000.0; } - kernel_fpu_end(); + DC_FP_END(); return updated; } @@ -738,7 +738,7 @@ bool dcn_validate_bandwidth( dcn_bw_sync_calcs_and_dml(dc); memset(v, 0, sizeof(*v)); - kernel_fpu_begin(); + DC_FP_START(); v->sr_exit_time = dc->dcn_soc->sr_exit_time; v->sr_enter_plus_exit_time = dc->dcn_soc->sr_enter_plus_exit_time; @@ -1271,7 +1271,7 @@ bool dcn_validate_bandwidth( bw_limit = dc->dcn_soc->percent_disp_bw_limit * v->fabric_and_dram_bandwidth_vmax0p9; bw_limit_pass = (v->total_data_read_bandwidth / 1000.0) < bw_limit; - kernel_fpu_end(); + DC_FP_END(); PERFORMANCE_TRACE_END(); BW_VAL_TRACE_FINISH(); @@ -1439,7 +1439,7 @@ void dcn_bw_update_from_pplib(struct dc *dc) res = dm_pp_get_clock_levels_by_type_with_voltage( ctx, DM_PP_CLOCK_TYPE_FCLK, &fclks); - kernel_fpu_begin(); + DC_FP_START(); if (res) res = verify_clock_values(&fclks); @@ -1459,12 +1459,12 @@ void dcn_bw_update_from_pplib(struct dc *dc) } else BREAK_TO_DEBUGGER(); - kernel_fpu_end(); + DC_FP_END(); res = dm_pp_get_clock_levels_by_type_with_voltage( ctx, DM_PP_CLOCK_TYPE_DCFCLK, &dcfclks); - kernel_fpu_begin(); + DC_FP_START(); if (res) res = verify_clock_values(&dcfclks); @@ -1477,7 +1477,7 @@ void dcn_bw_update_from_pplib(struct dc *dc) } else BREAK_TO_DEBUGGER(); - kernel_fpu_end(); + DC_FP_END(); } void dcn_bw_notify_pplib_of_wm_ranges(struct dc *dc) @@ -1492,11 +1492,11 @@ void dcn_bw_notify_pplib_of_wm_ranges(struct dc *dc) if (!pp || !pp->set_wm_ranges) return; - kernel_fpu_begin(); + DC_FP_START(); min_fclk_khz = dc->dcn_soc->fabric_and_dram_bandwidth_vmin0p65 * 1000000 / 32; min_dcfclk_khz = dc->dcn_soc->dcfclkv_min0p65 * 1000; socclk_khz = dc->dcn_soc->socclk * 1000; - kernel_fpu_end(); + DC_FP_END(); /* Now notify PPLib/SMU about which Watermarks sets they should select * depending on DPM state they are in. And update BW MGR GFX Engine and @@ -1547,7 +1547,7 @@ void dcn_bw_notify_pplib_of_wm_ranges(struct dc *dc) void dcn_bw_sync_calcs_and_dml(struct dc *dc) { - kernel_fpu_begin(); + DC_FP_START(); DC_LOG_BANDWIDTH_CALCS("sr_exit_time: %f ns\n" "sr_enter_plus_exit_time: %f ns\n" "urgent_latency: %f ns\n" @@ -1736,5 +1736,5 @@ void dcn_bw_sync_calcs_and_dml(struct dc *dc) dc->dml.ip.bug_forcing_LC_req_same_size_fixed = dc->dcn_ip->bug_forcing_luma_and_chroma_request_to_same_size_fixed == dcn_bw_yes; dc->dml.ip.dcfclk_cstate_latency = dc->dcn_ip->dcfclk_cstate_latency; - kernel_fpu_end(); + DC_FP_END(); } diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index cfc69919ef9e..1e8b79b708a5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -1,5 +1,6 @@ /* * Copyright 2016 Advanced Micro Devices, Inc. + * Copyright 2019 Raptor Engineering, LLC * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -3211,7 +3212,7 @@ void dcn20_update_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_s void dcn20_patch_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_st *bb) { - kernel_fpu_begin(); + DC_FP_START(); if ((int)(bb->sr_exit_time_us * 1000) != dc->bb_overrides.sr_exit_time_ns && dc->bb_overrides.sr_exit_time_ns) { bb->sr_exit_time_us = dc->bb_overrides.sr_exit_time_ns / 1000.0; @@ -3235,7 +3236,7 @@ void dcn20_patch_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_st bb->dram_clock_change_latency_us = dc->bb_overrides.dram_clock_change_latency_ns / 1000.0; } - kernel_fpu_end(); + DC_FP_END(); } static struct _vcs_dpi_soc_bounding_box_st *get_asic_rev_soc_bb( diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c index c865b95d5c0e..1282727164e5 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c @@ -1,5 +1,6 @@ /* * Copyright 2018 Advanced Micro Devices, Inc. + * Copyright 2019 Raptor Engineering, LLC * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -993,7 +994,8 @@ static void patch_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_s { int i; - kernel_fpu_begin(); + DC_FP_START(); + if (dc->bb_overrides.sr_exit_time_ns) { for (i = 0; i < WM_SET_COUNT; i++) { dc->clk_mgr->bw_params->wm_table.entries[i].sr_exit_time_us = @@ -1019,7 +1021,7 @@ static void patch_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_s } } - kernel_fpu_end(); + DC_FP_END(); } void dcn21_calculate_wm( diff --git a/drivers/gpu/drm/amd/display/dc/os_types.h b/drivers/gpu/drm/amd/display/dc/os_types.h index 13b9a9bb32c8..ffb44388f2c6 100644 --- a/drivers/gpu/drm/amd/display/dc/os_types.h +++ b/drivers/gpu/drm/amd/display/dc/os_types.h @@ -1,5 +1,6 @@ /* * Copyright 2012-16 Advanced Micro Devices, Inc. + * Copyright 2019 Raptor Engineering, LLC * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -51,6 +52,8 @@ #if defined(CONFIG_DRM_AMD_DC_DCN) #include +#define DC_FP_START() kernel_fpu_begin() +#define DC_FP_END() kernel_fpu_end() #endif /* -- 2.11.0