From 2b58c11c7ac32adfa1db0f96eeb3035f181b34c0 Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sat, 7 Dec 2019 16:24:13 -0600 Subject: [PATCH 1/3] 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. Signed-off-by: Timothy Pearson --- .../gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 24 +++++++++---------- .../drm/amd/display/dc/dcn20/dcn20_resource.c | 4 ++-- drivers/gpu/drm/amd/display/dc/os_types.h | 3 +++ 4 files changed, 19 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 9b2cb57bf2ba..cd5471263248 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c @@ -626,7 +626,7 @@ 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; @@ -662,7 +662,7 @@ 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; } @@ -742,7 +742,7 @@ 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; @@ -1275,7 +1275,7 @@ 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(); @@ -1443,7 +1443,7 @@ 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); @@ -1463,12 +1463,12 @@ 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); @@ -1481,7 +1481,7 @@ 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) @@ -1496,11 +1496,11 @@ 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 @@ -1551,7 +1551,7 @@ 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" @@ -1740,5 +1740,5 @@ 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 09793336d84f..74ad6f09c1d4 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -3243,7 +3243,7 @@ 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; @@ -3267,7 +3267,7 @@ 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/os_types.h b/drivers/gpu/drm/amd/display/dc/os_types.h index 30ec80ac6fc8..938735bf624d 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"), @@ -50,6 +51,8 @@ #if defined(CONFIG_DRM_AMD_DC_DCN1_0) #include +#define DC_FP_START() kernel_fpu_begin() +#define DC_FP_END() kernel_fpu_end() #endif /* -- 2.20.1