drm/amdgpu: split umc callbacks to ras and non-ras ones

umc ras is not managed by gpu driver when gpu is
connected to cpu through xgmi. split umc callbacks
into ras and non-ras ones so gpu driver only
initializes umc ras callbacks when it manages
umc ras.

Signed-off-by: Hawking Zhang <[e-mail]>
Reviewed-by: Dennis Li <[e-mail]>
Reviewed-by: John Clements <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c

···
 {
 	int r;
 
-	if (adev->umc.funcs && adev->umc.funcs->ras_late_init) {
-		r = adev->umc.funcs->ras_late_init(adev);
+	if (adev->umc.ras_funcs &&
+	    adev->umc.ras_funcs->ras_late_init) {
+		r = adev->umc.ras_funcs->ras_late_init(adev);
 		if (r)
 			return r;
 	}
···
 
 void amdgpu_gmc_ras_fini(struct amdgpu_device *adev)
 {
-	amdgpu_umc_ras_fini(adev);
+	if (adev->umc.ras_funcs &&
+	    adev->umc.ras_funcs->ras_fini)
+		adev->umc.ras_funcs->ras_fini(adev);
+
 	amdgpu_mmhub_ras_fini(adev);
+
 	if (adev->gmc.xgmi.ras_funcs &&
 	    adev->gmc.xgmi.ras_funcs->ras_fini)
 		adev->gmc.xgmi.ras_funcs->ras_fini(adev);

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

···
 
 	switch (info->head.block) {
 	case AMDGPU_RAS_BLOCK__UMC:
-		if (adev->umc.funcs->query_ras_error_count)
-			adev->umc.funcs->query_ras_error_count(adev, &err_data);
+		if (adev->umc.ras_funcs &&
+		    adev->umc.ras_funcs->query_ras_error_count)
+			adev->umc.ras_funcs->query_ras_error_count(adev, &err_data);
 		/* umc query_ras_error_address is also responsible for clearing
 		 * error status
 		 */
-		if (adev->umc.funcs->query_ras_error_address)
-			adev->umc.funcs->query_ras_error_address(adev, &err_data);
+		if (adev->umc.ras_funcs &&
+		    adev->umc.ras_funcs->query_ras_error_address)
+			adev->umc.ras_funcs->query_ras_error_address(adev, &err_data);
 		break;
 	case AMDGPU_RAS_BLOCK__SDMA:
 		if (adev->sdma.funcs->query_ras_error_count) {

drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c

···
 	}
 
 	/* ras init of specific umc version */
-	if (adev->umc.funcs && adev->umc.funcs->err_cnt_init)
-		adev->umc.funcs->err_cnt_init(adev);
+	if (adev->umc.ras_funcs &&
+	    adev->umc.ras_funcs->err_cnt_init)
+		adev->umc.ras_funcs->err_cnt_init(adev);
 
 	return 0;
 
···
 	struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
 
 	kgd2kfd_set_sram_ecc_flag(adev->kfd.dev);
-	if (adev->umc.funcs &&
-	    adev->umc.funcs->query_ras_error_count)
-	    adev->umc.funcs->query_ras_error_count(adev, ras_error_status);
+	if (adev->umc.ras_funcs &&
+	    adev->umc.ras_funcs->query_ras_error_count)
+	    adev->umc.ras_funcs->query_ras_error_count(adev, ras_error_status);
 
-	if (adev->umc.funcs &&
-	    adev->umc.funcs->query_ras_error_address &&
+	if (adev->umc.ras_funcs &&
+	    adev->umc.ras_funcs->query_ras_error_address &&
 	    adev->umc.max_ras_err_cnt_per_query) {
 		err_data->err_addr =
 			kcalloc(adev->umc.max_ras_err_cnt_per_query,
···
 		/* umc query_ras_error_address is also responsible for clearing
 		 * error status
 		 */
-		adev->umc.funcs->query_ras_error_address(adev, ras_error_status);
+		adev->umc.ras_funcs->query_ras_error_address(adev, ras_error_status);
 	}
 
 	/* only uncorrectable error needs gpu reset */

drivers/gpu/drm/amd/amdgpu/amdgpu_umc.h

···
 #define LOOP_UMC_CH_INST(ch_inst) for ((ch_inst) = 0; (ch_inst) < adev->umc.channel_inst_num; (ch_inst)++)
 #define LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) LOOP_UMC_INST((umc_inst)) LOOP_UMC_CH_INST((ch_inst))
 
-struct amdgpu_umc_funcs {
+struct amdgpu_umc_ras_funcs {
 	void (*err_cnt_init)(struct amdgpu_device *adev);
 	int (*ras_late_init)(struct amdgpu_device *adev);
+	void (*ras_fini)(struct amdgpu_device *adev);
 	void (*query_ras_error_count)(struct amdgpu_device *adev,
-					void *ras_error_status);
+				      void *ras_error_status);
 	void (*query_ras_error_address)(struct amdgpu_device *adev,
 					void *ras_error_status);
+};
+
+struct amdgpu_umc_funcs {
 	void (*init_registers)(struct amdgpu_device *adev);
 };
 
···
 	struct ras_common_if *ras_if;
 
 	const struct amdgpu_umc_funcs *funcs;
+	const struct amdgpu_umc_ras_funcs *ras_funcs;
 };
 
 int amdgpu_umc_ras_late_init(struct amdgpu_device *adev);

drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c

···
 		adev->umc.umc_inst_num = UMC_V8_7_UMC_INSTANCE_NUM;
 		adev->umc.channel_offs = UMC_V8_7_PER_CHANNEL_OFFSET_SIENNA;
 		adev->umc.channel_idx_tbl = &umc_v8_7_channel_idx_tbl[0][0];
-		adev->umc.funcs = &umc_v8_7_funcs;
+		adev->umc.ras_funcs = &umc_v8_7_ras_funcs;
 		break;
 	default:
 		break;

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

···
 		adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM;
 		adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_VG20;
 		adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0];
-		adev->umc.funcs = &umc_v6_1_funcs;
+		adev->umc.ras_funcs = &umc_v6_1_ras_funcs;
 		break;
 	case CHIP_ARCTURUS:
 		adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM;
···
 		adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM;
 		adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_ARCT;
 		adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0];
-		adev->umc.funcs = &umc_v6_1_funcs;
+		adev->umc.ras_funcs = &umc_v6_1_ras_funcs;
 		break;
 	default:
 		break;
···
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	gmc_v9_0_set_gmc_funcs(adev);
-	gmc_v9_0_set_irq_funcs(adev);
-	gmc_v9_0_set_umc_funcs(adev);
-	gmc_v9_0_set_mmhub_funcs(adev);
-	gmc_v9_0_set_gfxhub_funcs(adev);
-
 	if (adev->asic_type == CHIP_VEGA20 ||
 	    adev->asic_type == CHIP_ARCTURUS)
 		adev->gmc.xgmi.supported = true;
···
 		adev->gmc.xgmi.connected_to_cpu =
 			adev->smuio.funcs->is_host_gpu_xgmi_supported(adev);
 	}
+
+	gmc_v9_0_set_gmc_funcs(adev);
+	gmc_v9_0_set_irq_funcs(adev);
+	gmc_v9_0_set_umc_funcs(adev);
+	gmc_v9_0_set_mmhub_funcs(adev);
+	gmc_v9_0_set_gfxhub_funcs(adev);
 
 	adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
 	adev->gmc.shared_aperture_end =

drivers/gpu/drm/amd/amdgpu/umc_v6_1.c

···
  */
 #include "umc_v6_1.h"
 #include "amdgpu_ras.h"
+#include "amdgpu_umc.h"
 #include "amdgpu.h"
 
 #include "rsmu/rsmu_0_0_2_offset.h"
···
 		umc_v6_1_enable_umc_index_mode(adev);
 }
 
-const struct amdgpu_umc_funcs umc_v6_1_funcs = {
+const struct amdgpu_umc_ras_funcs umc_v6_1_ras_funcs = {
 	.err_cnt_init = umc_v6_1_err_cnt_init,
 	.ras_late_init = amdgpu_umc_ras_late_init,
+	.ras_fini = amdgpu_umc_ras_fini,
 	.query_ras_error_count = umc_v6_1_query_ras_error_count,
 	.query_ras_error_address = umc_v6_1_query_ras_error_address,
 };

drivers/gpu/drm/amd/amdgpu/umc_v6_1.h

···
 /* umc ce count initial value */
 #define UMC_V6_1_CE_CNT_INIT	(UMC_V6_1_CE_CNT_MAX - UMC_V6_1_CE_INT_THRESHOLD)
 
-extern const struct amdgpu_umc_funcs umc_v6_1_funcs;
+extern const struct amdgpu_umc_ras_funcs umc_v6_1_ras_funcs;
 extern const uint32_t
 	umc_v6_1_channel_idx_tbl[UMC_V6_1_UMC_INSTANCE_NUM][UMC_V6_1_CHANNEL_INSTANCE_NUM];
 

drivers/gpu/drm/amd/amdgpu/umc_v6_7.c

···
  */
 #include "umc_v6_7.h"
 #include "amdgpu_ras.h"
+#include "amdgpu_umc.h"
 #include "amdgpu.h"
 
 #include "umc/umc_6_7_0_offset.h"
···
 	}
 }
 
-const struct amdgpu_umc_funcs umc_v6_7_funcs = {
+const struct amdgpu_umc_ras_funcs umc_v6_7_ras_funcs = {
 	.ras_late_init = amdgpu_umc_ras_late_init,
+	.ras_fini = amdgpu_umc_ras_fini,
 	.query_ras_error_count = umc_v6_7_query_ras_error_count,
 	.query_ras_error_address = umc_v6_7_query_ras_error_address,
 };

drivers/gpu/drm/amd/amdgpu/umc_v6_7.h

···
 
 #define UMC_V6_7_INST_DIST	0x40000
 
-extern const struct amdgpu_umc_funcs umc_v6_7_funcs;
+extern const struct amdgpu_umc_ras_funcs umc_v6_7_ras_funcs;
 
 #endif

drivers/gpu/drm/amd/amdgpu/umc_v8_7.c

···
  */
 #include "umc_v8_7.h"
 #include "amdgpu_ras.h"
+#include "amdgpu_umc.h"
 #include "amdgpu.h"
 
 #include "rsmu/rsmu_0_0_2_offset.h"
···
 	}
 }
 
-const struct amdgpu_umc_funcs umc_v8_7_funcs = {
+const struct amdgpu_umc_ras_funcs umc_v8_7_ras_funcs = {
 	.err_cnt_init = umc_v8_7_err_cnt_init,
 	.ras_late_init = amdgpu_umc_ras_late_init,
+	.ras_fini = amdgpu_umc_ras_fini,
 	.query_ras_error_count = umc_v8_7_query_ras_error_count,
 	.query_ras_error_address = umc_v8_7_query_ras_error_address,
 };

drivers/gpu/drm/amd/amdgpu/umc_v8_7.h

···
 /* umc ce count initial value */
 #define UMC_V8_7_CE_CNT_INIT	(UMC_V8_7_CE_CNT_MAX - UMC_V8_7_CE_INT_THRESHOLD)
 
-extern const struct amdgpu_umc_funcs umc_v8_7_funcs;
+extern const struct amdgpu_umc_ras_funcs umc_v8_7_ras_funcs;
 extern const uint32_t
 	umc_v8_7_channel_idx_tbl[UMC_V8_7_UMC_INSTANCE_NUM][UMC_V8_7_CHANNEL_INSTANCE_NUM];