disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h
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@@ -27,9 +27,22 @@
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 #include "dm_services_types.h"
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+/* If HW itself ever powered down it will be 0.
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+ * fwDmcuInit will write to 1.
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+ * Driver will only call MCP init if current state is 1,
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+ * and the MCP command will transition this to 2.
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+ */
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 enum dmcu_state {
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-	DMCU_NOT_INITIALIZED = 0,
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-	DMCU_RUNNING = 1
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+	DMCU_UNLOADED = 0,
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+	DMCU_LOADED_UNINITIALIZED = 1,
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+	DMCU_RUNNING = 2,
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+};
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+
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+struct dmcu_version {
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+	unsigned int interface_version;
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+	unsigned int abm_version;
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+	unsigned int psr_version;
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+	unsigned int build_version;
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 };
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 struct dmcu {
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@@ -39,6 +52,8 @@
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 	enum dmcu_state dmcu_state;
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 	struct dmcu_version dmcu_version;
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 	unsigned int cached_wait_loop_number;
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+	uint32_t psp_version;
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+	bool auto_load_dmcu;
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 };
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 struct dmcu_funcs {
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@@ -57,6 +72,8 @@
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 	void (*get_psr_wait_loop)(struct dmcu *dmcu,
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 			unsigned int *psr_wait_loop_number);
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 	bool (*is_dmcu_initialized)(struct dmcu *dmcu);
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+	bool (*lock_phy)(struct dmcu *dmcu);
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+	bool (*unlock_phy)(struct dmcu *dmcu);
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 };
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 #endif