drm/amd/display: read VM settings from MMHUB

instead of GC, as after GFX off, GC can be power gated any time
Signed-off-by: Tony Cheng <tony.cheng@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mem_input.h

@@ -130,18 +130,18 @@
 	SR(DCHUBBUB_ARB_SAT_LEVEL),\
 	SR(DCHUBBUB_ARB_DF_REQ_OUTSTAND),\
 	/* todo:  get these from GVM instead of reading registers ourselves */\
-	GC_SR(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32),\
-	GC_SR(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32),\
-	GC_SR(VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32),\
-	GC_SR(VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32),\
-	GC_SR(VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32),\
-	GC_SR(VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32),\
-	GC_SR(VM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32),\
-	GC_SR(VM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32),\
-	GC_SR(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB),\
-	GC_SR(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB),\
-	GC_SR(MC_VM_SYSTEM_APERTURE_LOW_ADDR),\
-	GC_SR(MC_VM_SYSTEM_APERTURE_HIGH_ADDR)
+	MMHUB_SR(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32),\
+	MMHUB_SR(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32),\
+	MMHUB_SR(VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32),\
+	MMHUB_SR(VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32),\
+	MMHUB_SR(VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32),\
+	MMHUB_SR(VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32),\
+	MMHUB_SR(VM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32),\
+	MMHUB_SR(VM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32),\
+	MMHUB_SR(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB),\
+	MMHUB_SR(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB),\
+	MMHUB_SR(MC_VM_SYSTEM_APERTURE_LOW_ADDR),\
+	MMHUB_SR(MC_VM_SYSTEM_APERTURE_HIGH_ADDR)
 
 struct dcn_mi_registers {
 	uint32_t DCHUBP_CNTL;

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c

@@ -122,15 +122,15 @@ enum dcn10_clk_src_array_id {
 		.reg_name = NBIO_BASE(mm ## reg_name ## _BASE_IDX) +  \
 					mm ## reg_name
 
-/* GC */
-#define GC_BASE_INNER(seg) \
-	GC_BASE__INST0_SEG ## seg
+/* MMHUB */
+#define MMHUB_BASE_INNER(seg) \
+	MMHUB_BASE__INST0_SEG ## seg
 
-#define GC_BASE(seg) \
-	GC_BASE_INNER(seg)
+#define MMHUB_BASE(seg) \
+	MMHUB_BASE_INNER(seg)
 
-#define GC_SR(reg_name)\
-		.reg_name = GC_BASE(mm ## reg_name ## _BASE_IDX) +  \
+#define MMHUB_SR(reg_name)\
+		.reg_name = MMHUB_BASE(mm ## reg_name ## _BASE_IDX) +  \
 					mm ## reg_name
 
 /* macros to expend register list macro defined in HW object header file