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From 4438463fc1dfe4586ec306b922e6aeb4bd6a0daa Mon Sep 17 00:00:00 2001
From: Philip Cox <Philip.Cox@amd.com>
Date: Wed, 1 Nov 2017 19:22:02 -0400
Subject: [PATCH 3394/4131] drm/amdkfd: Implement amdkfd SDMA functions for VI
Signed-off-by: Philip Cox <Philip.Cox@amd.com>
Signed-off-by: shaoyun liu <shaoyun.liu@amd.com>
Signed-off-by: Jay Cornwall <Jay.Cornwall@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
---
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c | 103 +++++++++++++++++++++++-
1 file changed, 102 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
index dc92497..a117d2b 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
@@ -30,7 +30,7 @@
#include "vi_structs.h"
#include "gca/gfx_8_0_sh_mask.h"
#include "gca/gfx_8_0_enum.h"
-
+#include "oss/oss_3_0_sh_mask.h"
#define CP_MQD_CONTROL__PRIV_STATE__SHIFT 0x8
static inline struct vi_mqd *get_mqd(void *mqd)
@@ -239,6 +239,101 @@ static int update_mqd_hiq(struct mqd_manager *mm, void *mqd,
return retval;
}
+static int init_mqd_sdma(struct mqd_manager *mm, void **mqd,
+ struct kfd_mem_obj **mqd_mem_obj, uint64_t *gart_addr,
+ struct queue_properties *q)
+{
+ int retval;
+ struct vi_sdma_mqd *m;
+
+
+ retval = kfd_gtt_sa_allocate(mm->dev,
+ sizeof(struct vi_sdma_mqd),
+ mqd_mem_obj);
+
+ if (retval != 0)
+ return -ENOMEM;
+
+ m = (struct vi_sdma_mqd *) (*mqd_mem_obj)->cpu_ptr;
+
+ memset(m, 0, sizeof(struct vi_sdma_mqd));
+
+ *mqd = m;
+ if (gart_addr != NULL)
+ *gart_addr = (*mqd_mem_obj)->gpu_addr;
+
+ retval = mm->update_mqd(mm, m, q);
+
+ return retval;
+}
+
+static void uninit_mqd_sdma(struct mqd_manager *mm, void *mqd,
+ struct kfd_mem_obj *mqd_mem_obj)
+{
+ kfd_gtt_sa_free(mm->dev, mqd_mem_obj);
+}
+
+static int load_mqd_sdma(struct mqd_manager *mm, void *mqd,
+ uint32_t pipe_id, uint32_t queue_id,
+ struct queue_properties *p, struct mm_struct *mms)
+{
+ return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->kgd, mqd,
+ (uint32_t __user *)p->write_ptr,
+ mms);
+}
+
+static int update_mqd_sdma(struct mqd_manager *mm, void *mqd,
+ struct queue_properties *q)
+{
+ struct vi_sdma_mqd *m;
+
+ m = get_sdma_mqd(mqd);
+ m->sdmax_rlcx_rb_cntl = (ffs(q->queue_size / sizeof(unsigned int)) - 1)
+ << SDMA0_RLC0_RB_CNTL__RB_SIZE__SHIFT |
+ q->vmid << SDMA0_RLC0_RB_CNTL__RB_VMID__SHIFT |
+ 1 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_ENABLE__SHIFT |
+ 6 << SDMA0_RLC0_RB_CNTL__RPTR_WRITEBACK_TIMER__SHIFT;
+
+ m->sdmax_rlcx_rb_base = lower_32_bits(q->queue_address >> 8);
+ m->sdmax_rlcx_rb_base_hi = upper_32_bits(q->queue_address >> 8);
+ m->sdmax_rlcx_rb_rptr_addr_lo = lower_32_bits((uint64_t)q->read_ptr);
+ m->sdmax_rlcx_rb_rptr_addr_hi = upper_32_bits((uint64_t)q->read_ptr);
+ m->sdmax_rlcx_doorbell =
+ q->doorbell_off << SDMA0_RLC0_DOORBELL__OFFSET__SHIFT;
+
+ m->sdmax_rlcx_virtual_addr = q->sdma_vm_addr;
+
+ m->sdma_engine_id = q->sdma_engine_id;
+ m->sdma_queue_id = q->sdma_queue_id;
+
+ q->is_active = (q->queue_size > 0 &&
+ q->queue_address != 0 &&
+ q->queue_percent > 0);
+
+ return 0;
+}
+
+/*
+ * * preempt type here is ignored because there is only one way
+ * * to preempt sdma queue
+ */
+static int destroy_mqd_sdma(struct mqd_manager *mm, void *mqd,
+ enum kfd_preempt_type type,
+ unsigned int timeout, uint32_t pipe_id,
+ uint32_t queue_id)
+{
+ return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->kgd, mqd, timeout);
+}
+
+static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd,
+ uint64_t queue_address, uint32_t pipe_id,
+ uint32_t queue_id)
+{
+ return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd);
+}
+
+
+
struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type,
struct kfd_dev *dev)
{
@@ -272,6 +367,12 @@ struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type,
mqd->is_occupied = is_occupied;
break;
case KFD_MQD_TYPE_SDMA:
+ mqd->init_mqd = init_mqd_sdma;
+ mqd->uninit_mqd = uninit_mqd_sdma;
+ mqd->load_mqd = load_mqd_sdma;
+ mqd->update_mqd = update_mqd_sdma;
+ mqd->destroy_mqd = destroy_mqd_sdma;
+ mqd->is_occupied = is_occupied_sdma;
break;
default:
kfree(mqd);
--
2.7.4
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