drm/amd/display: Expose few dchubbub functions

[why]
Expose few dchubbun functions in dcn31 and dcn32 to leverage.
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Wayne Lin <wayne.lin@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@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/dcn31/dcn31_hubbub.c

@@ -876,7 +876,7 @@ static bool hubbub31_get_dcc_compression_cap(struct hubbub *hubbub,
 	return true;
 }
 
-static int hubbub31_init_dchub_sys_ctx(struct hubbub *hubbub,
+int hubbub31_init_dchub_sys_ctx(struct hubbub *hubbub,
 		struct dcn_hubbub_phys_addr_config *pa_config)
 {
 	struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);

drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hubbub.h

@@ -122,6 +122,8 @@
 	HUBBUB_SF(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_PIPE, mask_sh), \
 	HUBBUB_SF(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_INTERRUPT_STATUS, mask_sh)
 
+int hubbub31_init_dchub_sys_ctx(struct hubbub *hubbub,
+		struct dcn_hubbub_phys_addr_config *pa_config);
 
 void hubbub31_construct(struct dcn20_hubbub *hubbub3,
 	struct dc_context *ctx,

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.c

@@ -68,7 +68,7 @@ static void dcn32_init_crb(struct hubbub *hubbub)
 	REG_UPDATE(DCHUBBUB_DEBUG_CTRL_0, DET_DEPTH, 0x47F);
 }
 
-static void dcn32_program_det_size(struct hubbub *hubbub, int hubp_inst, unsigned int det_buffer_size_in_kbyte)
+void dcn32_program_det_size(struct hubbub *hubbub, int hubp_inst, unsigned int det_buffer_size_in_kbyte)
 {
 	struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
 
@@ -140,7 +140,7 @@ static uint32_t convert_and_clamp(
 	return ret_val;
 }
 
-static bool hubbub32_program_urgent_watermarks(
+bool hubbub32_program_urgent_watermarks(
 		struct hubbub *hubbub,
 		struct dcn_watermark_set *watermarks,
 		unsigned int refclk_mhz,
@@ -330,7 +330,7 @@ static bool hubbub32_program_urgent_watermarks(
 	return wm_pending;
 }
 
-static bool hubbub32_program_stutter_watermarks(
+bool hubbub32_program_stutter_watermarks(
 		struct hubbub *hubbub,
 		struct dcn_watermark_set *watermarks,
 		unsigned int refclk_mhz,
@@ -476,7 +476,7 @@ static bool hubbub32_program_stutter_watermarks(
 }
 
 
-static bool hubbub32_program_pstate_watermarks(
+bool hubbub32_program_pstate_watermarks(
 		struct hubbub *hubbub,
 		struct dcn_watermark_set *watermarks,
 		unsigned int refclk_mhz,
@@ -629,7 +629,7 @@ static bool hubbub32_program_pstate_watermarks(
 }
 
 
-static bool hubbub32_program_usr_watermarks(
+bool hubbub32_program_usr_watermarks(
 		struct hubbub *hubbub,
 		struct dcn_watermark_set *watermarks,
 		unsigned int refclk_mhz,
@@ -709,7 +709,7 @@ static bool hubbub32_program_usr_watermarks(
 	return wm_pending;
 }
 
-static void hubbub32_force_usr_retraining_allow(struct hubbub *hubbub, bool allow)
+void hubbub32_force_usr_retraining_allow(struct hubbub *hubbub, bool allow)
 {
 	struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
 
@@ -909,7 +909,7 @@ static void hubbub32_wm_read_state(struct hubbub *hubbub,
 			DCHUBBUB_ARB_FCLK_PSTATE_CHANGE_WATERMARK_D, &s->fclk_pstate_change);
 }
 
-static void hubbub32_force_wm_propagate_to_pipes(struct hubbub *hubbub)
+void hubbub32_force_wm_propagate_to_pipes(struct hubbub *hubbub)
 {
 	struct dcn20_hubbub *hubbub2 = TO_DCN20_HUBBUB(hubbub);
 	uint32_t refclk_mhz = hubbub->ctx->dc->res_pool->ref_clocks.dchub_ref_clock_inKhz / 1000;

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hubbub.h

@@ -161,6 +161,35 @@
 	HUBBUB_SF(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_PIPE, mask_sh), \
 	HUBBUB_SF(DCN_VM_FAULT_STATUS, DCN_VM_ERROR_INTERRUPT_STATUS, mask_sh)
 
+bool hubbub32_program_urgent_watermarks(
+		struct hubbub *hubbub,
+		struct dcn_watermark_set *watermarks,
+		unsigned int refclk_mhz,
+		bool safe_to_lower);
+
+bool hubbub32_program_stutter_watermarks(
+		struct hubbub *hubbub,
+		struct dcn_watermark_set *watermarks,
+		unsigned int refclk_mhz,
+		bool safe_to_lower);
+
+bool hubbub32_program_pstate_watermarks(
+		struct hubbub *hubbub,
+		struct dcn_watermark_set *watermarks,
+		unsigned int refclk_mhz,
+		bool safe_to_lower);
+
+bool hubbub32_program_usr_watermarks(
+		struct hubbub *hubbub,
+		struct dcn_watermark_set *watermarks,
+		unsigned int refclk_mhz,
+		bool safe_to_lower);
+
+void hubbub32_force_usr_retraining_allow(struct hubbub *hubbub, bool allow);
+
+void hubbub32_force_wm_propagate_to_pipes(struct hubbub *hubbub);
+
+void dcn32_program_det_size(struct hubbub *hubbub, int hubp_inst, unsigned int det_buffer_size_in_kbyte);
 
 void hubbub32_construct(struct dcn20_hubbub *hubbub2,
 	struct dc_context *ctx,