path: root/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4173-drm-amd-display-Add-renoir-hw_seq.patch

From 8e48ee9e07fb0aa2b88f1e157660f182afafd7cc Mon Sep 17 00:00:00 2001
From: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Date: Wed, 2 Oct 2019 11:54:56 -0400
Subject: [PATCH 4173/4736] drm/amd/display: Add renoir hw_seq

This change adds renoir hw_seq, needed to do renoir
specific hw programing

Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
---
 .../gpu/drm/amd/display/dc/dce/dce_hwseq.h    |   1 +
 .../amd/display/dc/dcn10/dcn10_hw_sequencer.c |   4 +
 drivers/gpu/drm/amd/display/dc/dcn21/Makefile |   2 +-
 .../drm/amd/display/dc/dcn21/dcn21_hwseq.c    | 122 ++++++++++++++++++
 .../drm/amd/display/dc/dcn21/dcn21_hwseq.h    |  33 +++++
 .../drm/amd/display/dc/dcn21/dcn21_resource.c | 118 +++++++++++++----
 .../gpu/drm/amd/display/dc/inc/hw_sequencer.h |   3 +
 7 files changed, 255 insertions(+), 28 deletions(-)
 create mode 100644 drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c
 create mode 100644 drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.h

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h b/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h
index ac04d77058f0..32d145a0d6fc 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_hwseq.h
@@ -679,6 +679,7 @@ struct dce_hwseq_registers {
 	HWS_SF(, DOMAIN17_PG_STATUS, DOMAIN17_PGFSM_PWR_STATUS, mask_sh), \
 	HWS_SF(, DOMAIN18_PG_STATUS, DOMAIN18_PGFSM_PWR_STATUS, mask_sh), \
 	HWS_SF(, DC_IP_REQUEST_CNTL, IP_REQUEST_EN, mask_sh), \
+	HWSEQ_LVTMA_MASK_SH_LIST(mask_sh), \
 	HWS_SF(, LVTMA_PWRSEQ_CNTL, LVTMA_BLON, mask_sh), \
 	HWS_SF(, LVTMA_PWRSEQ_STATE, LVTMA_PWRSEQ_TARGET_STATE_R, mask_sh)
 #endif
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 3b55716bf63b..7c02f646feed 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -669,6 +669,10 @@ static void dcn10_bios_golden_init(struct dc *dc)
 	int i;
 	bool allow_self_fresh_force_enable = true;
 
+#if defined(CONFIG_DRM_AMD_DC_DCN2_1)
+	if (dc->hwss.s0i3_golden_init_wa && dc->hwss.s0i3_golden_init_wa(dc))
+		return;
+#endif
 	if (dc->res_pool->hubbub->funcs->is_allow_self_refresh_enabled)
 		allow_self_fresh_force_enable =
 				dc->res_pool->hubbub->funcs->is_allow_self_refresh_enabled(dc->res_pool->hubbub);
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/Makefile b/drivers/gpu/drm/amd/display/dc/dcn21/Makefile
index b2b39090fb57..5b8f42ae2334 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/Makefile
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/Makefile
@@ -1,7 +1,7 @@
 #
 # Makefile for DCN21.
 
-DCN21 = dcn21_hubp.o dcn21_hubbub.o dcn21_resource.o
+DCN21 = dcn21_hubp.o dcn21_hubbub.o dcn21_resource.o dcn21_hwseq.o
 
 CFLAGS_dcn21_resource.o := -mhard-float -msse -mpreferred-stack-boundary=4
 
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c
new file mode 100644
index 000000000000..b25215cadf85
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.c
@@ -0,0 +1,122 @@
+/*
+ * Copyright 2016 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
+ *
+ */
+
+#include "dm_services.h"
+#include "dm_helpers.h"
+#include "core_types.h"
+#include "resource.h"
+#include "dce/dce_hwseq.h"
+#include "dcn20/dcn20_hwseq.h"
+#include "vmid.h"
+#include "reg_helper.h"
+#include "hw/clk_mgr.h"
+
+
+#define DC_LOGGER_INIT(logger)
+
+#define CTX \
+	hws->ctx
+#define REG(reg)\
+	hws->regs->reg
+
+#undef FN
+#define FN(reg_name, field_name) \
+	hws->shifts->field_name, hws->masks->field_name
+
+/* Temporary read settings, future will get values from kmd directly */
+static void mmhub_update_page_table_config(struct dcn_hubbub_phys_addr_config *config,
+		struct dce_hwseq *hws)
+{
+	uint32_t page_table_base_hi;
+	uint32_t page_table_base_lo;
+
+	REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
+			PAGE_DIRECTORY_ENTRY_HI32, &page_table_base_hi);
+	REG_GET(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
+			PAGE_DIRECTORY_ENTRY_LO32, &page_table_base_lo);
+
+	config->gart_config.page_table_base_addr = ((uint64_t)page_table_base_hi << 32) | page_table_base_lo;
+
+}
+
+static int dcn21_init_sys_ctx(struct dce_hwseq *hws, struct dc *dc, struct dc_phy_addr_space_config *pa_config)
+{
+	struct dcn_hubbub_phys_addr_config config;
+
+	config.system_aperture.fb_top = pa_config->system_aperture.fb_top;
+	config.system_aperture.fb_offset = pa_config->system_aperture.fb_offset;
+	config.system_aperture.fb_base = pa_config->system_aperture.fb_base;
+	config.system_aperture.agp_top = pa_config->system_aperture.agp_top;
+	config.system_aperture.agp_bot = pa_config->system_aperture.agp_bot;
+	config.system_aperture.agp_base = pa_config->system_aperture.agp_base;
+	config.gart_config.page_table_start_addr = pa_config->gart_config.page_table_start_addr;
+	config.gart_config.page_table_end_addr = pa_config->gart_config.page_table_end_addr;
+	config.gart_config.page_table_base_addr = pa_config->gart_config.page_table_base_addr;
+
+	mmhub_update_page_table_config(&config, hws);
+
+	return dc->res_pool->hubbub->funcs->init_dchub_sys_ctx(dc->res_pool->hubbub, &config);
+}
+
+// work around for Renoir s0i3, if register is programmed, bypass golden init.
+
+static bool dcn21_s0i3_golden_init_wa(struct dc *dc)
+{
+	struct dce_hwseq *hws = dc->hwseq;
+	uint32_t value = 0;
+
+	value = REG_READ(MICROSECOND_TIME_BASE_DIV);
+
+	return value != 0x00120464;
+}
+
+void dcn21_exit_optimized_pwr_state(
+		const struct dc *dc,
+		struct dc_state *context)
+{
+	dc->clk_mgr->funcs->update_clocks(
+			dc->clk_mgr,
+			context,
+			false);
+}
+
+void dcn21_optimize_pwr_state(
+		const struct dc *dc,
+		struct dc_state *context)
+{
+	dc->clk_mgr->funcs->update_clocks(
+			dc->clk_mgr,
+			context,
+			true);
+}
+
+void dcn21_hw_sequencer_construct(struct dc *dc)
+{
+	dcn20_hw_sequencer_construct(dc);
+	dc->hwss.init_sys_ctx = dcn21_init_sys_ctx;
+	dc->hwss.s0i3_golden_init_wa = dcn21_s0i3_golden_init_wa;
+	dc->hwss.optimize_pwr_state = dcn21_optimize_pwr_state;
+	dc->hwss.exit_optimized_pwr_state = dcn21_exit_optimized_pwr_state;
+}
diff --git a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.h b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.h
new file mode 100644
index 000000000000..be67b62e6fb1
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_hwseq.h
@@ -0,0 +1,33 @@
+/*
+* Copyright 2016 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 __DC_HWSS_DCN21_H__
+#define __DC_HWSS_DCN21_H__
+
+struct dc;
+
+void dcn21_hw_sequencer_construct(struct dc *dc);
+
+#endif /* __DC_HWSS_DCN21_H__ */
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 86005cb05c2a..1bac7eca5963 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
@@ -23,8 +23,6 @@
  *
  */
 
-#include <linux/slab.h>
-
 #include "dm_services.h"
 #include "dc.h"
 
@@ -42,7 +40,7 @@
 #include "irq/dcn21/irq_service_dcn21.h"
 #include "dcn20/dcn20_dpp.h"
 #include "dcn20/dcn20_optc.h"
-#include "dcn20/dcn20_hwseq.h"
+#include "dcn21/dcn21_hwseq.h"
 #include "dce110/dce110_hw_sequencer.h"
 #include "dcn20/dcn20_opp.h"
 #include "dcn20/dcn20_dsc.h"
@@ -350,6 +348,30 @@ static const struct bios_registers bios_regs = {
 		NBIO_SR(BIOS_SCRATCH_6)
 };
 
+static const struct dce_dmcu_registers dmcu_regs = {
+		DMCU_DCN10_REG_LIST()
+};
+
+static const struct dce_dmcu_shift dmcu_shift = {
+		DMCU_MASK_SH_LIST_DCN10(__SHIFT)
+};
+
+static const struct dce_dmcu_mask dmcu_mask = {
+		DMCU_MASK_SH_LIST_DCN10(_MASK)
+};
+
+static const struct dce_abm_registers abm_regs = {
+		ABM_DCN20_REG_LIST()
+};
+
+static const struct dce_abm_shift abm_shift = {
+		ABM_MASK_SH_LIST_DCN20(__SHIFT)
+};
+
+static const struct dce_abm_mask abm_mask = {
+		ABM_MASK_SH_LIST_DCN20(_MASK)
+};
+
 #ifdef CONFIG_DRM_AMD_DC_DMUB
 static const struct dcn21_dmcub_registers dmcub_regs = {
 		DMCUB_REG_LIST_DCN()
@@ -1491,6 +1513,19 @@ static struct link_encoder *dcn21_link_encoder_create(
         return &enc21->enc10.base;
 }
 
+#define CTX ctx
+
+#define REG(reg_name) \
+	(DCN_BASE.instance[0].segment[mm ## reg_name ## _BASE_IDX] + mm ## reg_name)
+
+static uint32_t read_pipe_fuses(struct dc_context *ctx)
+{
+	uint32_t value = REG_READ(CC_DC_PIPE_DIS);
+	/* RV1 support max 4 pipes */
+	value = value & 0xf;
+	return value;
+}
+
 static struct resource_funcs dcn21_res_pool_funcs = {
 	.destroy = dcn21_destroy_resource_pool,
 	.link_enc_create = dcn20_link_encoder_create,
@@ -1510,9 +1545,10 @@ static bool construct(
 	struct dc *dc,
 	struct dcn21_resource_pool *pool)
 {
-	int i;
+	int i, j;
 	struct dc_context *ctx = dc->ctx;
 	struct irq_service_init_data init_data;
+	uint32_t pipe_fuses = read_pipe_fuses(ctx);
 
 	ctx->dc_bios->regs = &bios_regs;
 
@@ -1530,7 +1566,9 @@ static bool construct(
 	 *************************************************/
 	pool->base.underlay_pipe_index = NO_UNDERLAY_PIPE;
 
-	pool->base.pipe_count = 4;
+	/* max pipe num for ASIC before check pipe fuses */
+	pool->base.pipe_count = pool->base.res_cap->num_timing_generator;
+
 	dc->caps.max_downscale_ratio = 200;
 	dc->caps.i2c_speed_in_khz = 100;
 	dc->caps.max_cursor_size = 256;
@@ -1590,6 +1628,26 @@ static bool construct(
 		goto create_fail;
 	}
 
+	pool->base.dmcu = dcn20_dmcu_create(ctx,
+			&dmcu_regs,
+			&dmcu_shift,
+			&dmcu_mask);
+	if (pool->base.dmcu == NULL) {
+		dm_error("DC: failed to create dmcu!\n");
+		BREAK_TO_DEBUGGER();
+		goto create_fail;
+	}
+
+	pool->base.abm = dce_abm_create(ctx,
+			&abm_regs,
+			&abm_shift,
+			&abm_mask);
+	if (pool->base.abm == NULL) {
+		dm_error("DC: failed to create abm!\n");
+		BREAK_TO_DEBUGGER();
+		goto create_fail;
+	}
+
 #ifdef CONFIG_DRM_AMD_DC_DMUB
 	pool->base.dmcub = dcn21_dmcub_create(ctx,
 			&dmcub_regs,
@@ -1611,8 +1669,15 @@ static bool construct(
 	if (!pool->base.irqs)
 		goto create_fail;
 
+	j = 0;
 	/* mem input -> ipp -> dpp -> opp -> TG */
 	for (i = 0; i < pool->base.pipe_count; i++) {
+		/* if pipe is disabled, skip instance of HW pipe,
+		 * i.e, skip ASIC register instance
+		 */
+		if ((pipe_fuses & (1 << i)) != 0)
+			continue;
+
 		pool->base.hubps[i] = dcn21_hubp_create(ctx, i);
 		if (pool->base.hubps[i] == NULL) {
 			BREAK_TO_DEBUGGER();
@@ -1636,6 +1701,23 @@ static bool construct(
 				"DC: failed to create dpps!\n");
 			goto create_fail;
 		}
+
+		pool->base.opps[i] = dcn21_opp_create(ctx, i);
+		if (pool->base.opps[i] == NULL) {
+			BREAK_TO_DEBUGGER();
+			dm_error(
+				"DC: failed to create output pixel processor!\n");
+			goto create_fail;
+		}
+
+		pool->base.timing_generators[i] = dcn21_timing_generator_create(
+				ctx, i);
+		if (pool->base.timing_generators[i] == NULL) {
+			BREAK_TO_DEBUGGER();
+			dm_error("DC: failed to create tg!\n");
+			goto create_fail;
+		}
+		j++;
 	}
 
 	for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
@@ -1656,27 +1738,9 @@ static bool construct(
 		pool->base.sw_i2cs[i] = NULL;
 	}
 
-	for (i = 0; i < pool->base.res_cap->num_opp; i++) {
-		pool->base.opps[i] = dcn21_opp_create(ctx, i);
-		if (pool->base.opps[i] == NULL) {
-			BREAK_TO_DEBUGGER();
-			dm_error(
-				"DC: failed to create output pixel processor!\n");
-			goto create_fail;
-		}
-	}
-
-	for (i = 0; i < pool->base.res_cap->num_timing_generator; i++) {
-		pool->base.timing_generators[i] = dcn21_timing_generator_create(
-				ctx, i);
-		if (pool->base.timing_generators[i] == NULL) {
-			BREAK_TO_DEBUGGER();
-			dm_error("DC: failed to create tg!\n");
-			goto create_fail;
-		}
-	}
-
-	pool->base.timing_generator_count = i;
+	pool->base.timing_generator_count = j;
+	pool->base.pipe_count = j;
+	pool->base.mpcc_count = j;
 
 	pool->base.mpc = dcn21_mpc_create(ctx);
 	if (pool->base.mpc == NULL) {
@@ -1719,7 +1783,7 @@ static bool construct(
 			&res_create_funcs : &res_create_maximus_funcs)))
 			goto create_fail;
 
-	dcn20_hw_sequencer_construct(dc);
+	dcn21_hw_sequencer_construct(dc);
 
 	dc->caps.max_planes =  pool->base.pipe_count;
 
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
index e775d7aa062f..d39c1e11def5 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h
@@ -349,6 +349,9 @@ struct hw_sequencer_funcs {
 			enum dc_clock_type clock_type,
 			struct dc_clock_config *clock_cfg);
 
+#if defined(CONFIG_DRM_AMD_DC_DCN2_1)
+	bool (*s0i3_golden_init_wa)(struct dc *dc);
+#endif
 };
 
 void color_space_to_black_color(
-- 
2.17.1