drm/amd/display: Code change for DML isolation

[why]
DML itself is SW only, putting the logic as part of resource makes it
hw dependent and thus impossible to compile separately from dc.
Separate compilation is critical for unit testing as well as bbox tool
development

[how]
create new dml wrapper.
Copy logic from the validation functions into dml wrapper as base
implementation. Dml wrapper has internal/static implementations
for all helpers, and does not reference other functions.
It may reference dc structures/types for convenience.

This change now has all the changes for DML isolation squashed into
one.
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Jun Lei <jun.lei@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h

@@ -73,6 +73,7 @@ struct display_mode_lib {
 	struct vba_vars_st vba;
 	struct dal_logger *logger;
 	struct dml_funcs funcs;
+	struct _vcs_dpi_display_e2e_pipe_params_st dml_pipe_state[6];
 };
 
 void dml_init_instance(struct display_mode_lib *lib,

drivers/gpu/drm/amd/display/dc/dml/dml_wrapper_translation.c

+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifdef DML_WRAPPER_TRANSLATION_
+
+static void gfx10array_mode_to_dml_params(
+		enum array_mode_values array_mode,
+		enum legacy_tiling_compat_level compat_level,
+		unsigned int *sw_mode)
+{
+	switch (array_mode) {
+	case DC_ARRAY_LINEAR_ALLIGNED:
+	case DC_ARRAY_LINEAR_GENERAL:
+		*sw_mode = dm_sw_linear;
+		break;
+	case DC_ARRAY_2D_TILED_THIN1:
+// DC_LEGACY_TILING_ADDR_GEN_ZERO - undefined as per current code hence removed
+#if 0
+		if (compat_level == DC_LEGACY_TILING_ADDR_GEN_ZERO)
+			*sw_mode = dm_sw_gfx7_2d_thin_l_vp;
+		else
+			*sw_mode = dm_sw_gfx7_2d_thin_gl;
+#endif
+		break;
+	default:
+		ASSERT(0); /* Not supported */
+		break;
+	}
+}
+
+static void swizzle_to_dml_params(
+		enum swizzle_mode_values swizzle,
+		unsigned int *sw_mode)
+{
+	switch (swizzle) {
+	case DC_SW_LINEAR:
+		*sw_mode = dm_sw_linear;
+		break;
+	case DC_SW_4KB_S:
+		*sw_mode = dm_sw_4kb_s;
+		break;
+	case DC_SW_4KB_S_X:
+		*sw_mode = dm_sw_4kb_s_x;
+		break;
+	case DC_SW_4KB_D:
+		*sw_mode = dm_sw_4kb_d;
+		break;
+	case DC_SW_4KB_D_X:
+		*sw_mode = dm_sw_4kb_d_x;
+		break;
+	case DC_SW_64KB_S:
+		*sw_mode = dm_sw_64kb_s;
+		break;
+	case DC_SW_64KB_S_X:
+		*sw_mode = dm_sw_64kb_s_x;
+		break;
+	case DC_SW_64KB_S_T:
+		*sw_mode = dm_sw_64kb_s_t;
+		break;
+	case DC_SW_64KB_D:
+		*sw_mode = dm_sw_64kb_d;
+		break;
+	case DC_SW_64KB_D_X:
+		*sw_mode = dm_sw_64kb_d_x;
+		break;
+	case DC_SW_64KB_D_T:
+		*sw_mode = dm_sw_64kb_d_t;
+		break;
+	case DC_SW_64KB_R_X:
+		*sw_mode = dm_sw_64kb_r_x;
+		break;
+	case DC_SW_VAR_S:
+		*sw_mode = dm_sw_var_s;
+		break;
+	case DC_SW_VAR_S_X:
+		*sw_mode = dm_sw_var_s_x;
+		break;
+	case DC_SW_VAR_D:
+		*sw_mode = dm_sw_var_d;
+		break;
+	case DC_SW_VAR_D_X:
+		*sw_mode = dm_sw_var_d_x;
+		break;
+
+	default:
+		ASSERT(0); /* Not supported */
+		break;
+	}
+}
+
+static void dc_timing_to_dml_timing(const struct dc_crtc_timing *timing, struct _vcs_dpi_display_pipe_dest_params_st *dest)
+{
+	dest->hblank_start = timing->h_total - timing->h_front_porch;
+	dest->hblank_end = dest->hblank_start
+			- timing->h_addressable
+			- timing->h_border_left
+			- timing->h_border_right;
+	dest->vblank_start = timing->v_total - timing->v_front_porch;
+	dest->vblank_end = dest->vblank_start
+			- timing->v_addressable
+			- timing->v_border_top
+			- timing->v_border_bottom;
+	dest->htotal = timing->h_total;
+	dest->vtotal = timing->v_total;
+	dest->hactive = timing->h_addressable;
+	dest->vactive = timing->v_addressable;
+	dest->interlaced = timing->flags.INTERLACE;
+	dest->pixel_rate_mhz = timing->pix_clk_100hz/10000.0;
+	if (timing->timing_3d_format == TIMING_3D_FORMAT_HW_FRAME_PACKING)
+		dest->pixel_rate_mhz *= 2;
+}
+
+static enum odm_combine_mode get_dml_odm_combine(const struct pipe_ctx *pipe)
+{
+	int odm_split_count = 0;
+	enum odm_combine_mode combine_mode = dm_odm_combine_mode_disabled;
+	struct pipe_ctx *next_pipe = pipe->next_odm_pipe;
+
+	// Traverse pipe tree to determine odm split count
+	while (next_pipe) {
+		odm_split_count++;
+		next_pipe = next_pipe->next_odm_pipe;
+	}
+	pipe = pipe->prev_odm_pipe;
+	while (pipe) {
+		odm_split_count++;
+		pipe = pipe->prev_odm_pipe;
+	}
+
+	// Translate split to DML odm combine factor
+	switch (odm_split_count) {
+	case 1:
+		combine_mode = dm_odm_combine_mode_2to1;
+		break;
+	case 3:
+		combine_mode = dm_odm_combine_mode_4to1;
+		break;
+	default:
+		combine_mode = dm_odm_combine_mode_disabled;
+	}
+
+	return combine_mode;
+}
+
+static int get_dml_output_type(enum signal_type dc_signal)
+{
+	int dml_output_type = -1;
+
+	switch (dc_signal) {
+	case SIGNAL_TYPE_DISPLAY_PORT_MST:
+	case SIGNAL_TYPE_DISPLAY_PORT:
+		dml_output_type = dm_dp;
+		break;
+	case SIGNAL_TYPE_EDP:
+		dml_output_type = dm_edp;
+		break;
+	case SIGNAL_TYPE_HDMI_TYPE_A:
+	case SIGNAL_TYPE_DVI_SINGLE_LINK:
+	case SIGNAL_TYPE_DVI_DUAL_LINK:
+		dml_output_type = dm_hdmi;
+		break;
+	default:
+		break;
+	}
+
+	return dml_output_type;
+}
+
+static void populate_color_depth_and_encoding_from_timing(const struct dc_crtc_timing *timing, struct _vcs_dpi_display_output_params_st *dout)
+{
+	int output_bpc = 0;
+
+	switch (timing->display_color_depth) {
+	case COLOR_DEPTH_666:
+		output_bpc = 6;
+		break;
+	case COLOR_DEPTH_888:
+		output_bpc = 8;
+		break;
+	case COLOR_DEPTH_101010:
+		output_bpc = 10;
+		break;
+	case COLOR_DEPTH_121212:
+		output_bpc = 12;
+		break;
+	case COLOR_DEPTH_141414:
+		output_bpc = 14;
+		break;
+	case COLOR_DEPTH_161616:
+		output_bpc = 16;
+		break;
+	case COLOR_DEPTH_999:
+		output_bpc = 9;
+		break;
+	case COLOR_DEPTH_111111:
+		output_bpc = 11;
+		break;
+	default:
+		output_bpc = 8;
+		break;
+	}
+
+	switch (timing->pixel_encoding) {
+	case PIXEL_ENCODING_RGB:
+	case PIXEL_ENCODING_YCBCR444:
+		dout->output_format = dm_444;
+		dout->output_bpp = output_bpc * 3;
+		break;
+	case PIXEL_ENCODING_YCBCR420:
+		dout->output_format = dm_420;
+		dout->output_bpp = (output_bpc * 3.0) / 2;
+		break;
+	case PIXEL_ENCODING_YCBCR422:
+		if (timing->flags.DSC && !timing->dsc_cfg.ycbcr422_simple)
+			dout->output_format = dm_n422;
+		else
+			dout->output_format = dm_s422;
+		dout->output_bpp = output_bpc * 2;
+		break;
+	default:
+		dout->output_format = dm_444;
+		dout->output_bpp = output_bpc * 3;
+	}
+}
+
+static enum source_format_class dc_source_format_to_dml_source_format(enum surface_pixel_format dc_format)
+{
+	enum source_format_class dml_format = dm_444_32;
+
+	switch (dc_format) {
+	case SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr:
+	case SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb:
+		dml_format = dm_420_8;
+		break;
+	case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCbCr:
+	case SURFACE_PIXEL_FORMAT_VIDEO_420_10bpc_YCrCb:
+		dml_format = dm_420_10;
+		break;
+	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
+	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:
+	case SURFACE_PIXEL_FORMAT_GRPH_ABGR16161616F:
+		dml_format = dm_444_64;
+		break;
+	case SURFACE_PIXEL_FORMAT_GRPH_ARGB1555:
+	case SURFACE_PIXEL_FORMAT_GRPH_RGB565:
+		dml_format = dm_444_16;
+		break;
+	case SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS:
+		dml_format = dm_444_8;
+		break;
+	case SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA:
+		dml_format = dm_rgbe_alpha;
+		break;
+	default:
+		dml_format = dm_444_32;
+		break;
+	}
+
+	return dml_format;
+}
+
+#endif

drivers/gpu/drm/amd/display/dc/inc/dml_wrapper.h

+/*
+ * Copyright 2015 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef DML_WRAPPER_H_
+#define DML_WRAPPER_H_
+
+#include "dc.h"
+#include "dml/display_mode_vba.h"
+
+bool dml_validate(struct dc *dc, struct dc_state *context, bool fast_validate);
+
+#endif