1 files changed, 284 insertions, 46 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 0320be4a5fc6..f202b45c413c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -47,6 +47,7 @@
 
 #include "amdgpu_ras.h"
 
+#include "amdgpu_ring_mux.h"
 #include "gfx_v9_4.h"
 #include "gfx_v9_0.h"
 #include "gfx_v9_4_2.h"
@@ -56,6 +57,7 @@
 #include "asic_reg/gc/gc_9_0_default.h"
 
 #define GFX9_NUM_GFX_RINGS     1
+#define GFX9_NUM_SW_GFX_RINGS  2
 #define GFX9_MEC_HPD_SIZE 4096
 #define RLCG_UCODE_LOADING_START_ADDRESS 0x00002000L
 #define RLC_SAVE_RESTORE_ADDR_STARTING_OFFSET 0x00000000L
@@ -753,7 +755,7 @@ static void gfx_v9_0_set_rlc_funcs(struct amdgpu_device *adev);
 static int gfx_v9_0_get_cu_info(struct amdgpu_device *adev,
 				struct amdgpu_cu_info *cu_info);
 static uint64_t gfx_v9_0_get_gpu_clock_counter(struct amdgpu_device *adev);
-static void gfx_v9_0_ring_emit_de_meta(struct amdgpu_ring *ring);
+static void gfx_v9_0_ring_emit_de_meta(struct amdgpu_ring *ring, bool resume);
 static u64 gfx_v9_0_ring_get_rptr_compute(struct amdgpu_ring *ring);
 static void gfx_v9_0_query_ras_error_count(struct amdgpu_device *adev,
 					  void *ras_error_status);
@@ -826,9 +828,10 @@ static void gfx_v9_0_kiq_unmap_queues(struct amdgpu_ring *kiq_ring,
 			PACKET3_UNMAP_QUEUES_DOORBELL_OFFSET0(ring->doorbell_index));
 
 	if (action == PREEMPT_QUEUES_NO_UNMAP) {
-		amdgpu_ring_write(kiq_ring, lower_32_bits(gpu_addr));
-		amdgpu_ring_write(kiq_ring, upper_32_bits(gpu_addr));
-		amdgpu_ring_write(kiq_ring, seq);
+		amdgpu_ring_write(kiq_ring, lower_32_bits(ring->wptr & ring->buf_mask));
+		amdgpu_ring_write(kiq_ring, 0);
+		amdgpu_ring_write(kiq_ring, 0);
+
 	} else {
 		amdgpu_ring_write(kiq_ring, 0);
 		amdgpu_ring_write(kiq_ring, 0);
@@ -1564,7 +1567,7 @@ static void gfx_v9_0_init_always_on_cu_mask(struct amdgpu_device *adev)
 			mask = 1;
 			cu_bitmap = 0;
 			counter = 0;
-			gfx_v9_0_select_se_sh(adev, i, j, 0xffffffff);
+			amdgpu_gfx_select_se_sh(adev, i, j, 0xffffffff);
 
 			for (k = 0; k < adev->gfx.config.max_cu_per_sh; k ++) {
 				if (cu_info->bitmap[i][j] & mask) {
@@ -1583,7 +1586,7 @@ static void gfx_v9_0_init_always_on_cu_mask(struct amdgpu_device *adev)
 			cu_info->ao_cu_bitmap[i][j] = cu_bitmap;
 		}
 	}
-	gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+	amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 	mutex_unlock(&adev->grbm_idx_mutex);
 }
 
@@ -1605,7 +1608,7 @@ static void gfx_v9_0_init_lbpw(struct amdgpu_device *adev)
 
 	mutex_lock(&adev->grbm_idx_mutex);
 	/* set mmRLC_LB_INIT_CU_MASK thru broadcast mode to enable all SE/SH*/
-	gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+	amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 	WREG32_SOC15(GC, 0, mmRLC_LB_INIT_CU_MASK, 0xffffffff);
 
 	/* set mmRLC_LB_PARAMS = 0x003F_1006 */
@@ -1654,7 +1657,7 @@ static void gfx_v9_4_init_lbpw(struct amdgpu_device *adev)
 
 	mutex_lock(&adev->grbm_idx_mutex);
 	/* set mmRLC_LB_INIT_CU_MASK thru broadcast mode to enable all SE/SH*/
-	gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+	amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 	WREG32_SOC15(GC, 0, mmRLC_LB_INIT_CU_MASK, 0xffffffff);
 
 	/* set mmRLC_LB_PARAMS = 0x003F_1006 */
@@ -1919,8 +1922,6 @@ static int gfx_v9_0_gpu_early_init(struct amdgpu_device *adev)
 	u32 gb_addr_config;
 	int err;
 
-	adev->gfx.funcs = &gfx_v9_0_gfx_funcs;
-
 	switch (adev->ip_versions[GC_HWIP][0]) {
 	case IP_VERSION(9, 0, 1):
 		adev->gfx.config.max_hw_contexts = 8;
@@ -2105,6 +2106,7 @@ static int gfx_v9_0_sw_init(void *handle)
 	struct amdgpu_ring *ring;
 	struct amdgpu_kiq *kiq;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+	unsigned int hw_prio;
 
 	switch (adev->ip_versions[GC_HWIP][0]) {
 	case IP_VERSION(9, 0, 1):
@@ -2188,6 +2190,9 @@ static int gfx_v9_0_sw_init(void *handle)
 			sprintf(ring->name, "gfx_%d", i);
 		ring->use_doorbell = true;
 		ring->doorbell_index = adev->doorbell_index.gfx_ring0 << 1;
+
+		/* disable scheduler on the real ring */
+		ring->no_scheduler = true;
 		r = amdgpu_ring_init(adev, ring, 1024, &adev->gfx.eop_irq,
 				     AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP,
 				     AMDGPU_RING_PRIO_DEFAULT, NULL);
@@ -2195,6 +2200,41 @@ static int gfx_v9_0_sw_init(void *handle)
 			return r;
 	}
 
+	/* set up the software rings */
+	if (adev->gfx.num_gfx_rings) {
+		for (i = 0; i < GFX9_NUM_SW_GFX_RINGS; i++) {
+			ring = &adev->gfx.sw_gfx_ring[i];
+			ring->ring_obj = NULL;
+			sprintf(ring->name, amdgpu_sw_ring_name(i));
+			ring->use_doorbell = true;
+			ring->doorbell_index = adev->doorbell_index.gfx_ring0 << 1;
+			ring->is_sw_ring = true;
+			hw_prio = amdgpu_sw_ring_priority(i);
+			r = amdgpu_ring_init(adev, ring, 1024, &adev->gfx.eop_irq,
+					     AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP, hw_prio,
+					     NULL);
+			if (r)
+				return r;
+			ring->wptr = 0;
+		}
+
+		/* init the muxer and add software rings */
+		r = amdgpu_ring_mux_init(&adev->gfx.muxer, &adev->gfx.gfx_ring[0],
+					 GFX9_NUM_SW_GFX_RINGS);
+		if (r) {
+			DRM_ERROR("amdgpu_ring_mux_init failed(%d)\n", r);
+			return r;
+		}
+		for (i = 0; i < GFX9_NUM_SW_GFX_RINGS; i++) {
+			r = amdgpu_ring_mux_add_sw_ring(&adev->gfx.muxer,
+							&adev->gfx.sw_gfx_ring[i]);
+			if (r) {
+				DRM_ERROR("amdgpu_ring_mux_add_sw_ring failed(%d)\n", r);
+				return r;
+			}
+		}
+	}
+
 	/* set up the compute queues - allocate horizontally across pipes */
 	ring_id = 0;
 	for (i = 0; i < adev->gfx.mec.num_mec; ++i) {
@@ -2245,6 +2285,12 @@ static int gfx_v9_0_sw_fini(void *handle)
 	int i;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+	if (adev->gfx.num_gfx_rings) {
+		for (i = 0; i < GFX9_NUM_SW_GFX_RINGS; i++)
+			amdgpu_ring_fini(&adev->gfx.sw_gfx_ring[i]);
+		amdgpu_ring_mux_fini(&adev->gfx.muxer);
+	}
+
 	for (i = 0; i < adev->gfx.num_gfx_rings; i++)
 		amdgpu_ring_fini(&adev->gfx.gfx_ring[i]);
 	for (i = 0; i < adev->gfx.num_compute_rings; i++)
@@ -2324,13 +2370,13 @@ static void gfx_v9_0_setup_rb(struct amdgpu_device *adev)
 	mutex_lock(&adev->grbm_idx_mutex);
 	for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
 		for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
-			gfx_v9_0_select_se_sh(adev, i, j, 0xffffffff);
+			amdgpu_gfx_select_se_sh(adev, i, j, 0xffffffff);
 			data = gfx_v9_0_get_rb_active_bitmap(adev);
 			active_rbs |= data << ((i * adev->gfx.config.max_sh_per_se + j) *
 					       rb_bitmap_width_per_sh);
 		}
 	}
-	gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+	amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 	mutex_unlock(&adev->grbm_idx_mutex);
 
 	adev->gfx.config.backend_enable_mask = active_rbs;
@@ -2467,14 +2513,14 @@ static void gfx_v9_0_wait_for_rlc_serdes(struct amdgpu_device *adev)
 	mutex_lock(&adev->grbm_idx_mutex);
 	for (i = 0; i < adev->gfx.config.max_shader_engines; i++) {
 		for (j = 0; j < adev->gfx.config.max_sh_per_se; j++) {
-			gfx_v9_0_select_se_sh(adev, i, j, 0xffffffff);
+			amdgpu_gfx_select_se_sh(adev, i, j, 0xffffffff);
 			for (k = 0; k < adev->usec_timeout; k++) {
 				if (RREG32_SOC15(GC, 0, mmRLC_SERDES_CU_MASTER_BUSY) == 0)
 					break;
 				udelay(1);
 			}
 			if (k == adev->usec_timeout) {
-				gfx_v9_0_select_se_sh(adev, 0xffffffff,
+				amdgpu_gfx_select_se_sh(adev, 0xffffffff,
 						      0xffffffff, 0xffffffff);
 				mutex_unlock(&adev->grbm_idx_mutex);
 				DRM_INFO("Timeout wait for RLC serdes %u,%u\n",
@@ -2483,7 +2529,7 @@ static void gfx_v9_0_wait_for_rlc_serdes(struct amdgpu_device *adev)
 			}
 		}
 	}
-	gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+	amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 	mutex_unlock(&adev->grbm_idx_mutex);
 
 	mask = RLC_SERDES_NONCU_MASTER_BUSY__SE_MASTER_BUSY_MASK |
@@ -3583,6 +3629,8 @@ static int gfx_v9_0_kiq_init_queue(struct amdgpu_ring *ring)
 		memset((void *)mqd, 0, sizeof(struct v9_mqd_allocation));
 		((struct v9_mqd_allocation *)mqd)->dynamic_cu_mask = 0xFFFFFFFF;
 		((struct v9_mqd_allocation *)mqd)->dynamic_rb_mask = 0xFFFFFFFF;
+		if (amdgpu_sriov_vf(adev) && adev->in_suspend)
+			amdgpu_ring_clear_ring(ring);
 		mutex_lock(&adev->srbm_mutex);
 		soc15_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0);
 		gfx_v9_0_mqd_init(ring);
@@ -4539,6 +4587,8 @@ static int gfx_v9_0_early_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+	adev->gfx.funcs = &gfx_v9_0_gfx_funcs;
+
 	if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 1) ||
 	    adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2))
 		adev->gfx.num_gfx_rings = 0;
@@ -5155,11 +5205,17 @@ static void gfx_v9_0_ring_emit_ib_gfx(struct amdgpu_ring *ring,
 
 	control |= ib->length_dw | (vmid << 24);
 
-	if (amdgpu_sriov_vf(ring->adev) && (ib->flags & AMDGPU_IB_FLAG_PREEMPT)) {
+	if (ib->flags & AMDGPU_IB_FLAG_PREEMPT) {
 		control |= INDIRECT_BUFFER_PRE_ENB(1);
 
+		if (flags & AMDGPU_IB_PREEMPTED)
+			control |= INDIRECT_BUFFER_PRE_RESUME(1);
+
 		if (!(ib->flags & AMDGPU_IB_FLAG_CE) && vmid)
-			gfx_v9_0_ring_emit_de_meta(ring);
+			gfx_v9_0_ring_emit_de_meta(ring,
+						   (!amdgpu_sriov_vf(ring->adev) &&
+						   flags & AMDGPU_IB_PREEMPTED) ?
+						   true : false);
 	}
 
 	amdgpu_ring_write(ring, header);
@@ -5214,17 +5270,24 @@ static void gfx_v9_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr,
 	bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
 	bool int_sel = flags & AMDGPU_FENCE_FLAG_INT;
 	bool writeback = flags & AMDGPU_FENCE_FLAG_TC_WB_ONLY;
+	bool exec = flags & AMDGPU_FENCE_FLAG_EXEC;
+	uint32_t dw2 = 0;
 
 	/* RELEASE_MEM - flush caches, send int */
 	amdgpu_ring_write(ring, PACKET3(PACKET3_RELEASE_MEM, 6));
-	amdgpu_ring_write(ring, ((writeback ? (EOP_TC_WB_ACTION_EN |
-					       EOP_TC_NC_ACTION_EN) :
-					      (EOP_TCL1_ACTION_EN |
-					       EOP_TC_ACTION_EN |
-					       EOP_TC_WB_ACTION_EN |
-					       EOP_TC_MD_ACTION_EN)) |
-				 EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) |
-				 EVENT_INDEX(5)));
+
+	if (writeback) {
+		dw2 = EOP_TC_NC_ACTION_EN;
+	} else {
+		dw2 = EOP_TCL1_ACTION_EN | EOP_TC_ACTION_EN |
+				EOP_TC_MD_ACTION_EN;
+	}
+	dw2 |= EOP_TC_WB_ACTION_EN | EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) |
+				EVENT_INDEX(5);
+	if (exec)
+		dw2 |= EOP_EXEC;
+
+	amdgpu_ring_write(ring, dw2);
 	amdgpu_ring_write(ring, DATA_SEL(write64bit ? 2 : 1) | INT_SEL(int_sel ? 2 : 0));
 
 	/*
@@ -5329,33 +5392,135 @@ static void gfx_v9_ring_emit_sb(struct amdgpu_ring *ring)
 	amdgpu_ring_write(ring, 0);
 }
 
-static void gfx_v9_0_ring_emit_ce_meta(struct amdgpu_ring *ring)
+static void gfx_v9_0_ring_emit_ce_meta(struct amdgpu_ring *ring, bool resume)
 {
+	struct amdgpu_device *adev = ring->adev;
 	struct v9_ce_ib_state ce_payload = {0};
-	uint64_t csa_addr;
+	uint64_t offset, ce_payload_gpu_addr;
+	void *ce_payload_cpu_addr;
 	int cnt;
 
 	cnt = (sizeof(ce_payload) >> 2) + 4 - 2;
-	csa_addr = amdgpu_csa_vaddr(ring->adev);
+
+	if (ring->is_mes_queue) {
+		offset = offsetof(struct amdgpu_mes_ctx_meta_data,
+				  gfx[0].gfx_meta_data) +
+			offsetof(struct v9_gfx_meta_data, ce_payload);
+		ce_payload_gpu_addr =
+			amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
+		ce_payload_cpu_addr =
+			amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
+	} else {
+		offset = offsetof(struct v9_gfx_meta_data, ce_payload);
+		ce_payload_gpu_addr = amdgpu_csa_vaddr(ring->adev) + offset;
+		ce_payload_cpu_addr = adev->virt.csa_cpu_addr + offset;
+	}
 
 	amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, cnt));
 	amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(2) |
 				 WRITE_DATA_DST_SEL(8) |
 				 WR_CONFIRM) |
 				 WRITE_DATA_CACHE_POLICY(0));
-	amdgpu_ring_write(ring, lower_32_bits(csa_addr + offsetof(struct v9_gfx_meta_data, ce_payload)));
-	amdgpu_ring_write(ring, upper_32_bits(csa_addr + offsetof(struct v9_gfx_meta_data, ce_payload)));
-	amdgpu_ring_write_multiple(ring, (void *)&ce_payload, sizeof(ce_payload) >> 2);
+	amdgpu_ring_write(ring, lower_32_bits(ce_payload_gpu_addr));
+	amdgpu_ring_write(ring, upper_32_bits(ce_payload_gpu_addr));
+
+	if (resume)
+		amdgpu_ring_write_multiple(ring, ce_payload_cpu_addr,
+					   sizeof(ce_payload) >> 2);
+	else
+		amdgpu_ring_write_multiple(ring, (void *)&ce_payload,
+					   sizeof(ce_payload) >> 2);
+}
+
+static int gfx_v9_0_ring_preempt_ib(struct amdgpu_ring *ring)
+{
+	int i, r = 0;
+	struct amdgpu_device *adev = ring->adev;
+	struct amdgpu_kiq *kiq = &adev->gfx.kiq;
+	struct amdgpu_ring *kiq_ring = &kiq->ring;
+	unsigned long flags;
+
+	if (!kiq->pmf || !kiq->pmf->kiq_unmap_queues)
+		return -EINVAL;
+
+	spin_lock_irqsave(&kiq->ring_lock, flags);
+
+	if (amdgpu_ring_alloc(kiq_ring, kiq->pmf->unmap_queues_size)) {
+		spin_unlock_irqrestore(&kiq->ring_lock, flags);
+		return -ENOMEM;
+	}
+
+	/* assert preemption condition */
+	amdgpu_ring_set_preempt_cond_exec(ring, false);
+
+	ring->trail_seq += 1;
+	amdgpu_ring_alloc(ring, 13);
+	gfx_v9_0_ring_emit_fence(ring, ring->trail_fence_gpu_addr,
+				 ring->trail_seq, AMDGPU_FENCE_FLAG_EXEC | AMDGPU_FENCE_FLAG_INT);
+	/*reset the CP_VMID_PREEMPT after trailing fence*/
+	amdgpu_ring_emit_wreg(ring,
+			      SOC15_REG_OFFSET(GC, 0, mmCP_VMID_PREEMPT),
+			      0x0);
+
+	/* assert IB preemption, emit the trailing fence */
+	kiq->pmf->kiq_unmap_queues(kiq_ring, ring, PREEMPT_QUEUES_NO_UNMAP,
+				   ring->trail_fence_gpu_addr,
+				   ring->trail_seq);
+
+	amdgpu_ring_commit(kiq_ring);
+	spin_unlock_irqrestore(&kiq->ring_lock, flags);
+
+	/* poll the trailing fence */
+	for (i = 0; i < adev->usec_timeout; i++) {
+		if (ring->trail_seq ==
+			le32_to_cpu(*ring->trail_fence_cpu_addr))
+			break;
+		udelay(1);
+	}
+
+	if (i >= adev->usec_timeout) {
+		r = -EINVAL;
+		DRM_WARN("ring %d timeout to preempt ib\n", ring->idx);
+	}
+
+	amdgpu_ring_commit(ring);
+
+	/* deassert preemption condition */
+	amdgpu_ring_set_preempt_cond_exec(ring, true);
+	return r;
 }
 
-static void gfx_v9_0_ring_emit_de_meta(struct amdgpu_ring *ring)
+static void gfx_v9_0_ring_emit_de_meta(struct amdgpu_ring *ring, bool resume)
 {
+	struct amdgpu_device *adev = ring->adev;
 	struct v9_de_ib_state de_payload = {0};
-	uint64_t csa_addr, gds_addr;
+	uint64_t offset, gds_addr, de_payload_gpu_addr;
+	void *de_payload_cpu_addr;
 	int cnt;
 
-	csa_addr = amdgpu_csa_vaddr(ring->adev);
-	gds_addr = csa_addr + 4096;
+	if (ring->is_mes_queue) {
+		offset = offsetof(struct amdgpu_mes_ctx_meta_data,
+				  gfx[0].gfx_meta_data) +
+			offsetof(struct v9_gfx_meta_data, de_payload);
+		de_payload_gpu_addr =
+			amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
+		de_payload_cpu_addr =
+			amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset);
+
+		offset = offsetof(struct amdgpu_mes_ctx_meta_data,
+				  gfx[0].gds_backup) +
+			offsetof(struct v9_gfx_meta_data, de_payload);
+		gds_addr = amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset);
+	} else {
+		offset = offsetof(struct v9_gfx_meta_data, de_payload);
+		de_payload_gpu_addr = amdgpu_csa_vaddr(ring->adev) + offset;
+		de_payload_cpu_addr = adev->virt.csa_cpu_addr + offset;
+
+		gds_addr = ALIGN(amdgpu_csa_vaddr(ring->adev) +
+				 AMDGPU_CSA_SIZE - adev->gds.gds_size,
+				 PAGE_SIZE);
+	}
+
 	de_payload.gds_backup_addrlo = lower_32_bits(gds_addr);
 	de_payload.gds_backup_addrhi = upper_32_bits(gds_addr);
 
@@ -5365,9 +5530,15 @@ static void gfx_v9_0_ring_emit_de_meta(struct amdgpu_ring *ring)
 				 WRITE_DATA_DST_SEL(8) |
 				 WR_CONFIRM) |
 				 WRITE_DATA_CACHE_POLICY(0));
-	amdgpu_ring_write(ring, lower_32_bits(csa_addr + offsetof(struct v9_gfx_meta_data, de_payload)));
-	amdgpu_ring_write(ring, upper_32_bits(csa_addr + offsetof(struct v9_gfx_meta_data, de_payload)));
-	amdgpu_ring_write_multiple(ring, (void *)&de_payload, sizeof(de_payload) >> 2);
+	amdgpu_ring_write(ring, lower_32_bits(de_payload_gpu_addr));
+	amdgpu_ring_write(ring, upper_32_bits(de_payload_gpu_addr));
+
+	if (resume)
+		amdgpu_ring_write_multiple(ring, de_payload_cpu_addr,
+					   sizeof(de_payload) >> 2);
+	else
+		amdgpu_ring_write_multiple(ring, (void *)&de_payload,
+					   sizeof(de_payload) >> 2);
 }
 
 static void gfx_v9_0_ring_emit_frame_cntl(struct amdgpu_ring *ring, bool start,
@@ -5383,8 +5554,9 @@ static void gfx_v9_ring_emit_cntxcntl(struct amdgpu_ring *ring, uint32_t flags)
 {
 	uint32_t dw2 = 0;
 
-	if (amdgpu_sriov_vf(ring->adev))
-		gfx_v9_0_ring_emit_ce_meta(ring);
+	gfx_v9_0_ring_emit_ce_meta(ring,
+				   (!amdgpu_sriov_vf(ring->adev) &&
+				   flags & AMDGPU_IB_PREEMPTED) ? true : false);
 
 	dw2 |= 0x80000000; /* set load_enable otherwise this package is just NOPs */
 	if (flags & AMDGPU_HAVE_CTX_SWITCH) {
@@ -5710,7 +5882,12 @@ static int gfx_v9_0_eop_irq(struct amdgpu_device *adev,
 
 	switch (me_id) {
 	case 0:
-		amdgpu_fence_process(&adev->gfx.gfx_ring[0]);
+		if (adev->gfx.num_gfx_rings &&
+		    !amdgpu_mcbp_handle_trailing_fence_irq(&adev->gfx.muxer)) {
+			/* Fence signals are handled on the software rings*/
+			for (i = 0; i < GFX9_NUM_SW_GFX_RINGS; i++)
+				amdgpu_fence_process(&adev->gfx.sw_gfx_ring[i]);
+		}
 		break;
 	case 1:
 	case 2:
@@ -6482,7 +6659,7 @@ static void gfx_v9_0_reset_ras_error_count(struct amdgpu_device *adev)
 	for (i = 0; i < ARRAY_SIZE(gfx_v9_0_edc_counter_regs); i++) {
 		for (j = 0; j < gfx_v9_0_edc_counter_regs[i].se_num; j++) {
 			for (k = 0; k < gfx_v9_0_edc_counter_regs[i].instance; k++) {
-				gfx_v9_0_select_se_sh(adev, j, 0x0, k);
+				amdgpu_gfx_select_se_sh(adev, j, 0x0, k);
 				RREG32(SOC15_REG_ENTRY_OFFSET(gfx_v9_0_edc_counter_regs[i]));
 			}
 		}
@@ -6544,7 +6721,7 @@ static void gfx_v9_0_query_ras_error_count(struct amdgpu_device *adev,
 	for (i = 0; i < ARRAY_SIZE(gfx_v9_0_edc_counter_regs); i++) {
 		for (j = 0; j < gfx_v9_0_edc_counter_regs[i].se_num; j++) {
 			for (k = 0; k < gfx_v9_0_edc_counter_regs[i].instance; k++) {
-				gfx_v9_0_select_se_sh(adev, j, 0, k);
+				amdgpu_gfx_select_se_sh(adev, j, 0, k);
 				reg_value =
 					RREG32(SOC15_REG_ENTRY_OFFSET(gfx_v9_0_edc_counter_regs[i]));
 				if (reg_value)
@@ -6559,7 +6736,7 @@ static void gfx_v9_0_query_ras_error_count(struct amdgpu_device *adev,
 	err_data->ce_count += sec_count;
 	err_data->ue_count += ded_count;
 
-	gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+	amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 	mutex_unlock(&adev->grbm_idx_mutex);
 
 	gfx_v9_0_query_utc_edc_status(adev, err_data);
@@ -6707,6 +6884,62 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_gfx = {
 	.emit_cntxcntl = gfx_v9_ring_emit_cntxcntl,
 	.init_cond_exec = gfx_v9_0_ring_emit_init_cond_exec,
 	.patch_cond_exec = gfx_v9_0_ring_emit_patch_cond_exec,
+	.preempt_ib = gfx_v9_0_ring_preempt_ib,
+	.emit_frame_cntl = gfx_v9_0_ring_emit_frame_cntl,
+	.emit_wreg = gfx_v9_0_ring_emit_wreg,
+	.emit_reg_wait = gfx_v9_0_ring_emit_reg_wait,
+	.emit_reg_write_reg_wait = gfx_v9_0_ring_emit_reg_write_reg_wait,
+	.soft_recovery = gfx_v9_0_ring_soft_recovery,
+	.emit_mem_sync = gfx_v9_0_emit_mem_sync,
+};
+
+static const struct amdgpu_ring_funcs gfx_v9_0_sw_ring_funcs_gfx = {
+	.type = AMDGPU_RING_TYPE_GFX,
+	.align_mask = 0xff,
+	.nop = PACKET3(PACKET3_NOP, 0x3FFF),
+	.support_64bit_ptrs = true,
+	.secure_submission_supported = true,
+	.vmhub = AMDGPU_GFXHUB_0,
+	.get_rptr = amdgpu_sw_ring_get_rptr_gfx,
+	.get_wptr = amdgpu_sw_ring_get_wptr_gfx,
+	.set_wptr = amdgpu_sw_ring_set_wptr_gfx,
+	.emit_frame_size = /* totally 242 maximum if 16 IBs */
+		5 +  /* COND_EXEC */
+		7 +  /* PIPELINE_SYNC */
+		SOC15_FLUSH_GPU_TLB_NUM_WREG * 5 +
+		SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 7 +
+		2 + /* VM_FLUSH */
+		8 +  /* FENCE for VM_FLUSH */
+		20 + /* GDS switch */
+		4 + /* double SWITCH_BUFFER,
+		     * the first COND_EXEC jump to the place just
+		     * prior to this double SWITCH_BUFFER
+		     */
+		5 + /* COND_EXEC */
+		7 +	 /*	HDP_flush */
+		4 +	 /*	VGT_flush */
+		14 + /*	CE_META */
+		31 + /*	DE_META */
+		3 + /* CNTX_CTRL */
+		5 + /* HDP_INVL */
+		8 + 8 + /* FENCE x2 */
+		2 + /* SWITCH_BUFFER */
+		7, /* gfx_v9_0_emit_mem_sync */
+	.emit_ib_size =	4, /* gfx_v9_0_ring_emit_ib_gfx */
+	.emit_ib = gfx_v9_0_ring_emit_ib_gfx,
+	.emit_fence = gfx_v9_0_ring_emit_fence,
+	.emit_pipeline_sync = gfx_v9_0_ring_emit_pipeline_sync,
+	.emit_vm_flush = gfx_v9_0_ring_emit_vm_flush,
+	.emit_gds_switch = gfx_v9_0_ring_emit_gds_switch,
+	.emit_hdp_flush = gfx_v9_0_ring_emit_hdp_flush,
+	.test_ring = gfx_v9_0_ring_test_ring,
+	.test_ib = gfx_v9_0_ring_test_ib,
+	.insert_nop = amdgpu_sw_ring_insert_nop,
+	.pad_ib = amdgpu_ring_generic_pad_ib,
+	.emit_switch_buffer = gfx_v9_ring_emit_sb,
+	.emit_cntxcntl = gfx_v9_ring_emit_cntxcntl,
+	.init_cond_exec = gfx_v9_0_ring_emit_init_cond_exec,
+	.patch_cond_exec = gfx_v9_0_ring_emit_patch_cond_exec,
 	.emit_frame_cntl = gfx_v9_0_ring_emit_frame_cntl,
 	.emit_wreg = gfx_v9_0_ring_emit_wreg,
 	.emit_reg_wait = gfx_v9_0_ring_emit_reg_wait,
@@ -6792,6 +7025,11 @@ static void gfx_v9_0_set_ring_funcs(struct amdgpu_device *adev)
 	for (i = 0; i < adev->gfx.num_gfx_rings; i++)
 		adev->gfx.gfx_ring[i].funcs = &gfx_v9_0_ring_funcs_gfx;
 
+	if (adev->gfx.num_gfx_rings) {
+		for (i = 0; i < GFX9_NUM_SW_GFX_RINGS; i++)
+			adev->gfx.sw_gfx_ring[i].funcs = &gfx_v9_0_sw_ring_funcs_gfx;
+	}
+
 	for (i = 0; i < adev->gfx.num_compute_rings; i++)
 		adev->gfx.compute_ring[i].funcs = &gfx_v9_0_ring_funcs_compute;
 }
@@ -6963,7 +7201,7 @@ static int gfx_v9_0_get_cu_info(struct amdgpu_device *adev,
 			mask = 1;
 			ao_bitmap = 0;
 			counter = 0;
-			gfx_v9_0_select_se_sh(adev, i, j, 0xffffffff);
+			amdgpu_gfx_select_se_sh(adev, i, j, 0xffffffff);
 			gfx_v9_0_set_user_cu_inactive_bitmap(
 				adev, disable_masks[i * adev->gfx.config.max_sh_per_se + j]);
 			bitmap = gfx_v9_0_get_cu_active_bitmap(adev);
@@ -6996,7 +7234,7 @@ static int gfx_v9_0_get_cu_info(struct amdgpu_device *adev,
 			cu_info->ao_cu_bitmap[i % 4][j + i / 4] = ao_bitmap;
 		}
 	}
-	gfx_v9_0_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
+	amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 	mutex_unlock(&adev->grbm_idx_mutex);
 
 	cu_info->number = active_cu_number;