From 02bdd5161338402d6595d093b547f73c7c49511e Mon Sep 17 00:00:00 2001
From: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Date: Thu, 7 Jul 2022 17:15:19 -0400
Subject: drm/amd/display: Move predict pipe to dml fpu folder
Git-commit: 25e751642a38204da189e0e239055702caeb461c
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
The function dcn32_predict_pipe_split uses FPU operations. This commit
moves this function to the dcn32_fpu file, and we ensure that we only
invoke it under the kernel_fpu protection.
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
.../drm/amd/display/dc/dcn32/dcn32_resource.c | 2 +
.../drm/amd/display/dc/dcn32/dcn32_resource.h | 2 -
.../display/dc/dcn32/dcn32_resource_helpers.c | 33 ----------------
.../drm/amd/display/dc/dml/dcn32/dcn32_fpu.c | 39 ++++++++++++++++++-
.../drm/amd/display/dc/dml/dcn32/dcn32_fpu.h | 4 ++
5 files changed, 44 insertions(+), 36 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
index efbae88c492a..c5ba411d12ba 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
@@ -3053,7 +3053,9 @@ int dcn32_populate_dml_pipes_from_context(
pipes[pipe_cnt].pipe.dest.odm_combine_policy = dm_odm_combine_policy_2to1;
}
+ DC_FP_START();
is_pipe_split_expected[i] = dcn32_predict_pipe_split(context, pipes[i].pipe, i);
+ DC_FP_END();
pipe_cnt++;
}
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h
index 10254ab7e9d9..901aa7e13bd2 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.h
@@ -100,8 +100,6 @@ bool dcn32_all_pipes_have_stream_and_plane(struct dc *dc,
bool dcn32_subvp_in_use(struct dc *dc,
struct dc_state *context);
-bool dcn32_predict_pipe_split(struct dc_state *context, display_pipe_params_st pipe, int index);
-
void dcn32_determine_det_override(struct dc_state *context, display_e2e_pipe_params_st *pipes,
bool *is_pipe_split_expected, int pipe_cnt);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
index 633d3ee18cfa..796e3d966a76 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
@@ -153,39 +153,6 @@ bool dcn32_subvp_in_use(struct dc *dc,
return false;
}
-bool dcn32_predict_pipe_split(struct dc_state *context, display_pipe_params_st pipe, int index)
-{
- double pscl_throughput, pscl_throughput_chroma, dpp_clk_single_dpp, clock,
- clk_frequency = 0.0, vco_speed = context->bw_ctx.dml.soc.dispclk_dppclk_vco_speed_mhz;
-
- dml32_CalculateSinglePipeDPPCLKAndSCLThroughput(pipe.scale_ratio_depth.hscl_ratio,
- pipe.scale_ratio_depth.hscl_ratio_c,
- pipe.scale_ratio_depth.vscl_ratio,
- pipe.scale_ratio_depth.vscl_ratio_c,
- context->bw_ctx.dml.ip.max_dchub_pscl_bw_pix_per_clk,
- context->bw_ctx.dml.ip.max_pscl_lb_bw_pix_per_clk,
- pipe.dest.pixel_rate_mhz,
- pipe.src.source_format,
- pipe.scale_taps.htaps,
- pipe.scale_taps.htaps_c,
- pipe.scale_taps.vtaps,
- pipe.scale_taps.vtaps_c,
-
- /* Output */
- &pscl_throughput, &pscl_throughput_chroma,
- &dpp_clk_single_dpp);
-
- clock = dpp_clk_single_dpp * (1 + context->bw_ctx.dml.soc.dcn_downspread_percent / 100);
-
- if (clock > 0)
- clk_frequency = vco_speed * 4.0 / ((int) (vco_speed * 4.0));
-
- if (clk_frequency > context->bw_ctx.dml.soc.clock_limits[index].dppclk_mhz)
- return true;
- else
- return false;
-}
-
void dcn32_determine_det_override(struct dc_state *context, display_e2e_pipe_params_st *pipes,
bool *is_pipe_split_expected, int pipe_cnt)
{
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index 253ff9659b0d..1b9e34f1232a 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -24,7 +24,7 @@
*
*/
#include "dcn32_fpu.h"
-
+#include "display_mode_vba_util_32.h"
// We need this includes for WATERMARKS_* defines
#include "clk_mgr/dcn32/dcn32_smu13_driver_if.h"
@@ -154,3 +154,40 @@ void dcn32_helper_populate_phantom_dlg_params(struct dc *dc,
}
}
+bool dcn32_predict_pipe_split(struct dc_state *context, display_pipe_params_st pipe, int index)
+{
+ double pscl_throughput;
+ double pscl_throughput_chroma;
+ double dpp_clk_single_dpp, clock;
+ double clk_frequency = 0.0;
+ double vco_speed = context->bw_ctx.dml.soc.dispclk_dppclk_vco_speed_mhz;
+
+ dc_assert_fp_enabled();
+
+ dml32_CalculateSinglePipeDPPCLKAndSCLThroughput(pipe.scale_ratio_depth.hscl_ratio,
+ pipe.scale_ratio_depth.hscl_ratio_c,
+ pipe.scale_ratio_depth.vscl_ratio,
+ pipe.scale_ratio_depth.vscl_ratio_c,
+ context->bw_ctx.dml.ip.max_dchub_pscl_bw_pix_per_clk,
+ context->bw_ctx.dml.ip.max_pscl_lb_bw_pix_per_clk,
+ pipe.dest.pixel_rate_mhz,
+ pipe.src.source_format,
+ pipe.scale_taps.htaps,
+ pipe.scale_taps.htaps_c,
+ pipe.scale_taps.vtaps,
+ pipe.scale_taps.vtaps_c,
+ /* Output */
+ &pscl_throughput, &pscl_throughput_chroma,
+ &dpp_clk_single_dpp);
+
+ clock = dpp_clk_single_dpp * (1 + context->bw_ctx.dml.soc.dcn_downspread_percent / 100);
+
+ if (clock > 0)
+ clk_frequency = vco_speed * 4.0 / ((int)(vco_speed * 4.0));
+
+ if (clk_frequency > context->bw_ctx.dml.soc.clock_limits[index].dppclk_mhz)
+ return true;
+ else
+ return false;
+}
+
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.h b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.h
index 492f99b6d561..d5f157cdd0b4 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.h
@@ -36,4 +36,8 @@ void dcn32_helper_populate_phantom_dlg_params(struct dc *dc,
display_e2e_pipe_params_st *pipes,
int pipe_cnt);
+bool dcn32_predict_pipe_split(struct dc_state *context,
+ display_pipe_params_st pipe,
+ int index);
+
#endif
--
2.38.1