drm/amd/display: Add DCN3 Resource

Add support for managing resources for DCN3
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

@@ -52,6 +52,9 @@
 #include "dcn20/dcn20_resource.h"
 #include "dcn21/dcn21_resource.h"
 #endif
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+#include "../dcn30/dcn30_resource.h"
+#endif
 
 #define DC_LOGGER_INIT(logger)
 
@@ -107,6 +110,10 @@ enum dce_version resource_parse_asic_id(struct hw_asic_id asic_id)
 
 	case FAMILY_NV:
 		dc_version = DCN_VERSION_2_0;
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+		if (ASICREV_IS_SIENNA_CICHLID_P(asic_id.hw_internal_rev))
+			dc_version = DCN_VERSION_3_0;
+#endif
 		break;
 	default:
 		dc_version = DCE_VERSION_UNKNOWN;
@@ -168,6 +175,11 @@ struct resource_pool *dc_create_resource_pool(struct dc  *dc,
 		res_pool = dcn21_create_resource_pool(init_data, dc);
 		break;
 #endif
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+	case DCN_VERSION_3_0:
+		res_pool = dcn30_create_resource_pool(init_data, dc);
+		break;
+#endif
 
 	default:
 		break;
@@ -282,6 +294,16 @@ bool resource_construct(
 		}
 	}
 
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+	for (i = 0; i < caps->num_mpc_3dlut; i++) {
+		pool->mpc_lut[i] = dc_create_3dlut_func();
+		if (pool->mpc_lut[i] == NULL)
+			DC_ERR("DC: failed to create MPC 3dlut!\n");
+		pool->mpc_shaper[i] = dc_create_transfer_func();
+		if (pool->mpc_shaper[i] == NULL)
+			DC_ERR("DC: failed to create MPC shaper!\n");
+	}
+#endif
 	dc->caps.dynamic_audio = false;
 	if (pool->audio_count < pool->stream_enc_count) {
 		dc->caps.dynamic_audio = true;
@@ -2049,8 +2071,16 @@ enum dc_status resource_map_pool_resources(
 	}
 
 	/* Add ABM to the resource if on EDP */
-	if (pipe_ctx->stream && dc_is_embedded_signal(pipe_ctx->stream->signal))
+	if (pipe_ctx->stream && dc_is_embedded_signal(pipe_ctx->stream->signal)) {
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+		if (pool->abm)
 			pipe_ctx->stream_res.abm = pool->abm;
+		else
+			pipe_ctx->stream_res.abm = pool->multiple_abms[pipe_ctx->stream_res.tg->inst];
+#else
+		pipe_ctx->stream_res.abm = pool->abm;
+#endif
+	}
 
 	for (i = 0; i < context->stream_count; i++)
 		if (context->streams[i] == stream) {
@@ -2867,6 +2897,10 @@ unsigned int resource_pixel_format_to_bpp(enum surface_pixel_format format)
 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010:
 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010:
 	case SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010_XR_BIAS:
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+	case SURFACE_PIXEL_FORMAT_GRPH_RGBE:
+	case SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA:
+#endif
 		return 32;
 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616:
 	case SURFACE_PIXEL_FORMAT_GRPH_ARGB16161616F:

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

@@ -287,6 +287,9 @@ struct dc_config {
 	bool multi_mon_pp_mclk_switch;
 	bool disable_dmcu;
 	bool enable_4to1MPC;
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+	bool clamp_min_dcfclk;
+#endif
 };
 
 enum visual_confirm {
@@ -464,6 +467,9 @@ struct dc_debug_options {
 	bool skip_detection_link_training;
 	bool remove_disconnect_edp;
 	unsigned int force_odm_combine; //bit vector based on otg inst
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+	unsigned int force_odm_combine_4to1; //bit vector based on otg inst
+#endif
 	unsigned int force_fclk_khz;
 	bool disable_tri_buf;
 	bool dmub_offload_enabled;
@@ -479,6 +485,9 @@ struct dc_debug_options {
 	 * watermarks are not affected.
 	 */
 	unsigned int force_min_dcfclk_mhz;
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+	int dwb_fi_phase;
+#endif
 	bool disable_timing_sync;
 	bool cm_in_bypass;
 	int force_clock_mode;/*every mode change.*/
@@ -839,6 +848,9 @@ struct dc_plane_state {
 	struct dc_transfer_func *in_shaper_func;
 	struct dc_transfer_func *blend_tf;
 
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+	struct dc_transfer_func *gamcor_tf;
+#endif
 	enum surface_pixel_format format;
 	enum dc_rotation_angle rotation;
 	enum plane_stereo_format stereo_format;
@@ -984,6 +996,14 @@ void dc_resource_state_construct(
 		const struct dc *dc,
 		struct dc_state *dst_ctx);
 
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+bool dc_acquire_release_mpc_3dlut(
+		struct dc *dc, bool acquire,
+		struct dc_stream_state *stream,
+		struct dc_3dlut **lut,
+		struct dc_transfer_func **shaper);
+#endif
+
 void dc_resource_state_copy_construct(
 		const struct dc_state *src_ctx,
 		struct dc_state *dst_ctx);
@@ -1103,6 +1123,10 @@ struct hdcp_caps {
 
 #include "dc_link.h"
 
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+uint32_t dc_get_opp_for_plane(struct dc *dc, struct dc_plane_state *plane);
+
+#endif
 /*******************************************************************************
  * Sink Interfaces - A sink corresponds to a display output device
  ******************************************************************************/

drivers/gpu/drm/amd/display/dc/dce/dce_abm.h

@@ -76,6 +76,22 @@
 	SR(DC_ABM1_HGLS_REG_READ_PROGRESS), \
 	NBIO_SR(BIOS_SCRATCH_2)
 
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+#define ABM_DCN301_REG_LIST(id)\
+	ABM_COMMON_REG_LIST_DCE_BASE(), \
+	SRI(DC_ABM1_HG_SAMPLE_RATE, ABM, id), \
+	SRI(DC_ABM1_LS_SAMPLE_RATE, ABM, id), \
+	SRI(BL1_PWM_BL_UPDATE_SAMPLE_RATE, ABM, id), \
+	SRI(DC_ABM1_HG_MISC_CTRL, ABM, id), \
+	SRI(DC_ABM1_IPCSC_COEFF_SEL, ABM, id), \
+	SRI(BL1_PWM_CURRENT_ABM_LEVEL, ABM, id), \
+	SRI(BL1_PWM_TARGET_ABM_LEVEL, ABM, id), \
+	SRI(BL1_PWM_USER_LEVEL, ABM, id), \
+	SRI(DC_ABM1_LS_MIN_MAX_PIXEL_VALUE_THRES, ABM, id), \
+	SRI(DC_ABM1_HGLS_REG_READ_PROGRESS, ABM, id), \
+	NBIO_SR(BIOS_SCRATCH_2)
+#endif
+
 #define ABM_SF(reg_name, field_name, post_fix)\
 	.field_name = reg_name ## __ ## field_name ## post_fix
 
@@ -149,6 +165,10 @@
 
 #define ABM_MASK_SH_LIST_DCN20(mask_sh) ABM_MASK_SH_LIST_DCE110(mask_sh)
 
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+#define ABM_MASK_SH_LIST_DCN301(mask_sh) ABM_MASK_SH_LIST_DCN10(mask_sh)
+#endif
+
 #define ABM_REG_FIELD_LIST(type) \
 	type ABM1_HG_NUM_OF_BINS_SEL; \
 	type ABM1_HG_VMAX_SEL; \

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c

@@ -2033,6 +2033,9 @@ int dcn20_populate_dml_pipes_from_context(
 		unsigned int front_porch;
 		int output_bpc;
 
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+		struct audio_check aud_check = {0};
+#endif
 		if (!res_ctx->pipe_ctx[i].stream)
 			continue;
 
@@ -2087,6 +2090,11 @@ int dcn20_populate_dml_pipes_from_context(
 		case 1:
 			pipes[pipe_cnt].pipe.dest.odm_combine = dm_odm_combine_mode_2to1;
 			break;
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+		case 3:
+			pipes[pipe_cnt].pipe.dest.odm_combine = dm_odm_combine_mode_4to1;
+			break;
+#endif
 		default:
 			pipes[pipe_cnt].pipe.dest.odm_combine = dm_odm_combine_mode_disabled;
 		}
@@ -2183,6 +2191,11 @@ int dcn20_populate_dml_pipes_from_context(
 
 		/* todo: default max for now, until there is logic reflecting this in dc*/
 		pipes[pipe_cnt].dout.output_bpc = 12;
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+		/*fill up the audio sample rate*/
+		get_audio_check(&res_ctx->pipe_ctx[i].stream->audio_info, &aud_check);
+		pipes[pipe_cnt].dout.max_audio_sample_rate = aud_check.max_audiosample_rate;
+#endif
 		/*
 		 * For graphic plane, cursor number is 1, nv12 is 0
 		 * bw calculations due to cursor on/off
@@ -2230,6 +2243,12 @@ int dcn20_populate_dml_pipes_from_context(
 				pipes[pipe_cnt].pipe.src.viewport_width /= 2;
 				pipes[pipe_cnt].pipe.dest.recout_width /= 2;
 			}
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+			else if (pipes[pipe_cnt].pipe.dest.odm_combine == dm_odm_combine_mode_4to1) {
+				pipes[pipe_cnt].pipe.src.viewport_width /= 4;
+				pipes[pipe_cnt].pipe.dest.recout_width /= 4;
+			}
+#endif
 		} else {
 			struct dc_plane_state *pln = res_ctx->pipe_ctx[i].plane_state;
 			struct scaler_data *scl = &res_ctx->pipe_ctx[i].plane_res.scl_data;
@@ -2250,7 +2269,12 @@ int dcn20_populate_dml_pipes_from_context(
 			pipes[pipe_cnt].pipe.src.surface_height_y = pln->plane_size.surface_size.height;
 			pipes[pipe_cnt].pipe.src.surface_width_c = pln->plane_size.chroma_size.width;
 			pipes[pipe_cnt].pipe.src.surface_height_c = pln->plane_size.chroma_size.height;
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+			if (pln->format == SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA
+					|| pln->format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
+#else
 			if (pln->format >= SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
+#endif
 				pipes[pipe_cnt].pipe.src.data_pitch = pln->plane_size.surface_pitch;
 				pipes[pipe_cnt].pipe.src.data_pitch_c = pln->plane_size.chroma_pitch;
 				pipes[pipe_cnt].pipe.src.meta_pitch = pln->dcc.meta_pitch;
@@ -2266,6 +2290,10 @@ int dcn20_populate_dml_pipes_from_context(
 			pipes[pipe_cnt].pipe.dest.full_recout_width = scl->recout.width;
 			if (pipes[pipe_cnt].pipe.dest.odm_combine == dm_odm_combine_mode_2to1)
 				pipes[pipe_cnt].pipe.dest.full_recout_width *= 2;
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+			else if (pipes[pipe_cnt].pipe.dest.odm_combine == dm_odm_combine_mode_4to1)
+				pipes[pipe_cnt].pipe.dest.full_recout_width *= 4;
+#endif
 			else {
 				struct pipe_ctx *split_pipe = res_ctx->pipe_ctx[i].bottom_pipe;
 
@@ -2322,6 +2350,11 @@ int dcn20_populate_dml_pipes_from_context(
 			case SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS:
 				pipes[pipe_cnt].pipe.src.source_format = dm_444_8;
 				break;
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+			case SURFACE_PIXEL_FORMAT_GRPH_RGBE_ALPHA:
+				pipes[pipe_cnt].pipe.src.source_format = dm_rgbe_alpha;
+				break;
+#endif
 			default:
 				pipes[pipe_cnt].pipe.src.source_format = dm_444_32;
 				break;
@@ -2682,6 +2715,12 @@ int dcn20_validate_apply_pipe_split_flags(
 			split[i] = 2;
 			v->ODMCombineEnablePerState[vlevel][pipe_plane] = dm_odm_combine_mode_2to1;
 		}
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+		if (dc->debug.force_odm_combine_4to1 & (1 << pipe->stream_res.tg->inst)) {
+			split[i] = 4;
+			v->ODMCombineEnablePerState[vlevel][pipe_plane] = dm_odm_combine_mode_4to1;
+		}
+#endif
 		v->ODMCombineEnabled[pipe_plane] =
 			v->ODMCombineEnablePerState[vlevel][pipe_plane];
 

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.h

+/*
+ * Copyright 2020 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 _DCN30_RESOURCE_H_
+#define _DCN30_RESOURCE_H_
+
+#include "core_types.h"
+
+#define TO_DCN30_RES_POOL(pool)\
+	container_of(pool, struct dcn30_resource_pool, base)
+
+struct dc;
+struct resource_pool;
+struct _vcs_dpi_display_pipe_params_st;
+
+struct dcn30_resource_pool {
+	struct resource_pool base;
+};
+struct resource_pool *dcn30_create_resource_pool(
+		const struct dc_init_data *init_data,
+		struct dc *dc);
+
+void dcn30_set_mcif_arb_params(
+		struct dc *dc,
+		struct dc_state *context,
+		display_e2e_pipe_params_st *pipes,
+		int pipe_cnt);
+
+unsigned int dcn30_calc_max_scaled_time(
+		unsigned int time_per_pixel,
+		enum mmhubbub_wbif_mode mode,
+		unsigned int urgent_watermark);
+
+bool dcn30_validate_bandwidth(struct dc *dc, struct dc_state *context,
+		bool fast_validate);
+void dcn30_populate_dml_writeback_from_context(
+		struct dc *dc, struct resource_context *res_ctx, display_e2e_pipe_params_st *pipes);
+
+int dcn30_populate_dml_pipes_from_context(
+	struct dc *dc, struct dc_state *context,
+	display_e2e_pipe_params_st *pipes);
+
+bool dcn30_acquire_post_bldn_3dlut(
+		struct resource_context *res_ctx,
+		const struct resource_pool *pool,
+		int mpcc_id,
+		struct dc_3dlut **lut,
+		struct dc_transfer_func **shaper);
+
+bool dcn30_release_post_bldn_3dlut(
+		struct resource_context *res_ctx,
+		const struct resource_pool *pool,
+		struct dc_3dlut **lut,
+		struct dc_transfer_func **shaper);
+
+enum dc_status dcn30_add_stream_to_ctx(
+		struct dc *dc,
+		struct dc_state *new_ctx,
+		struct dc_stream_state *dc_stream);
+#endif /* _DCN30_RESOURCE_H_ */

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

@@ -147,6 +147,20 @@ struct resource_funcs {
 	void (*update_bw_bounding_box)(
 			struct dc *dc,
 			struct clk_bw_params *bw_params);
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+	bool (*acquire_post_bldn_3dlut)(
+			struct resource_context *res_ctx,
+			const struct resource_pool *pool,
+			int mpcc_id,
+			struct dc_3dlut **lut,
+			struct dc_transfer_func **shaper);
+
+	bool (*release_post_bldn_3dlut)(
+			struct resource_context *res_ctx,
+			const struct resource_pool *pool,
+			struct dc_3dlut **lut,
+			struct dc_transfer_func **shaper);
+#endif
 
 };
 
@@ -189,6 +203,10 @@ struct resource_pool {
 	unsigned int underlay_pipe_index;
 	unsigned int stream_enc_count;
 
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+	struct dc_3dlut *mpc_lut[MAX_PIPES];
+	struct dc_transfer_func *mpc_shaper[MAX_PIPES];
+#endif
 	struct {
 		unsigned int xtalin_clock_inKhz;
 		unsigned int dccg_ref_clock_inKhz;
@@ -316,6 +334,9 @@ struct resource_context {
 	uint8_t clock_source_ref_count[MAX_CLOCK_SOURCES];
 	uint8_t dp_clock_source_ref_count;
 	bool is_dsc_acquired[MAX_PIPES];
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+	bool is_mpc_3dlut_acquired[MAX_PIPES];
+#endif
 };
 
 struct dce_bw_output {

drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h

@@ -150,6 +150,15 @@ enum ipp_degamma_mode {
 	IPP_DEGAMMA_MODE_USER_PWL
 };
 
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+enum gamcor_mode {
+	GAMCOR_MODE_BYPASS,
+	GAMCOR_MODE_RESERVED_1,
+	GAMCOR_MODE_USER_PWL,
+	GAMCOR_MODE_RESERVED_3
+};
+#endif
+
 enum ipp_output_format {
 	IPP_OUTPUT_FORMAT_12_BIT_FIX,
 	IPP_OUTPUT_FORMAT_16_BIT_BYPASS,

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

@@ -48,6 +48,9 @@ struct resource_caps {
 	int num_ddc;
 	int num_vmid;
 	int num_dsc;
+#if defined(CONFIG_DRM_AMD_DC_DCN3_0)
+	int num_mpc_3dlut;
+#endif
 };
 
 struct resource_straps {