drm/amd/display: Add DCN3.1 clock manager support

Adds support for clock requests for the various parts of the DCN3.1 IP and the interfaces and definitions for sending messages to SMU/PMFW. Includes new support for z9/10, detecting SMU timeout and p-state support enablement. Acked-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
mariux64 · Jun 4, 2021 · 118a331 · 118a331
1 parent d997ea5
commit 118a331
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diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -655,6 +655,12 @@ void dm_set_dcn_clocks(struct dc_context *ctx, struct dc_clocks *clks)
 	/* TODO: something */
 }
 
+void dm_helpers_smu_timeout(struct dc_context *ctx, unsigned int msg_id, unsigned int param, unsigned int timeout_us)
+{
+	// TODO:
+	//amdgpu_device_gpu_recover(dc_context->driver-context, NULL);
+}
+
 void *dm_helpers_allocate_gpu_mem(
 		struct dc_context *ctx,
 		enum dc_gpu_mem_alloc_type type,

diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile b/drivers/gpu/drm/amd/display/dc/clk_mgr/Makefile
@@ -136,3 +136,14 @@ AMD_DAL_CLK_MGR_DCN301 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn301/,$(CLK_MGR_
 
 AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN301)
 endif
+
+ifdef CONFIG_DRM_AMD_DC_DCN3_1
+###############################################################################
+# DCN31
+###############################################################################
+CLK_MGR_DCN31 = dcn31_smu.o dcn31_clk_mgr.o
+
+AMD_DAL_CLK_MGR_DCN31 = $(addprefix $(AMDDALPATH)/dc/clk_mgr/dcn31/,$(CLK_MGR_DCN31))
+
+AMD_DISPLAY_FILES += $(AMD_DAL_CLK_MGR_DCN31)
+endif
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/clk_mgr.c
@@ -41,6 +41,9 @@
 #include "dcn21/rn_clk_mgr.h"
 #include "dcn30/dcn30_clk_mgr.h"
 #include "dcn301/vg_clk_mgr.h"
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+#include "dcn31/dcn31_clk_mgr.h"
+#endif
 
 
 int clk_mgr_helper_get_active_display_cnt(
@@ -261,6 +264,26 @@ struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *p
 		}
 		break;
 #endif
+
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+	case FAMILY_YELLOW_CARP: {
+		struct clk_mgr_dcn31 *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
+
+		if (clk_mgr == NULL) {
+			BREAK_TO_DEBUGGER();
+			return NULL;
+		}
+		if (ASICREV_IS_YELLOW_CARP(asic_id.hw_internal_rev)) {
+			/* TODO: to add DCN31 clk_mgr support, once CLK IP header files are available,
+			 * for now use DCN3.0 clk mgr.
+			 */
+			dcn31_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
+			return &clk_mgr->base.base;
+		}
+		return &clk_mgr->base.base;
+	}
+#endif
+
 	default:
 		ASSERT(0); /* Unknown Asic */
 		break;
@@ -292,6 +315,13 @@ void dc_destroy_clk_mgr(struct clk_mgr *clk_mgr_base)
 			vg_clk_mgr_destroy(clk_mgr);
 		break;
 
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+	case FAMILY_YELLOW_CARP:
+		if (ASICREV_IS_YELLOW_CARP(clk_mgr_base->ctx->asic_id.hw_internal_rev))
+			dcn31_clk_mgr_destroy(clk_mgr);
+		break;
+#endif
+
 	default:
 		break;
 	}

diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn20/dcn20_clk_mgr.c
@@ -324,6 +324,10 @@ void dcn2_update_clocks_fpga(struct clk_mgr *clk_mgr,
 	// Both fclk and ref_dppclk run on the same scemi clock.
 	clk_mgr_int->dccg->ref_dppclk = clk_mgr->clks.fclk_khz;
 
+#if defined(CONFIG_DRM_AMD_DC_DCN3_1)
+	/* TODO: set dtbclk in correct place */
+	clk_mgr->clks.dtbclk_en = false;
+#endif
 	dm_set_dcn_clocks(clk_mgr->ctx, &clk_mgr->clks);
 }