[PATCH 19/19] drm/amd: Update MEC HQD loading code for KFD
Felix Kuehling
Felix.Kuehling at amd.com
Fri Aug 11 21:56:29 UTC 2017
Various bug fixes and improvements that accumulated over the last two
years.
Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 16 ++
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c | 130 +++++++++++++---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c | 165 ++++++++++++++++++---
.../gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 7 +-
drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c | 3 +-
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h | 3 +-
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c | 23 +--
drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c | 16 +-
drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 5 -
drivers/gpu/drm/amd/include/kgd_kfd_interface.h | 11 +-
drivers/gpu/drm/radeon/radeon_kfd.c | 12 +-
11 files changed, 322 insertions(+), 69 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
index b8802a5..8d689ab 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -26,6 +26,7 @@
#define AMDGPU_AMDKFD_H_INCLUDED
#include <linux/types.h>
+#include <linux/mmu_context.h>
#include <kgd_kfd_interface.h>
struct amdgpu_device;
@@ -60,4 +61,19 @@ uint64_t get_gpu_clock_counter(struct kgd_dev *kgd);
uint32_t get_max_engine_clock_in_mhz(struct kgd_dev *kgd);
+#define read_user_wptr(mmptr, wptr, dst) \
+ ({ \
+ bool valid = false; \
+ if ((mmptr) && (wptr)) { \
+ if ((mmptr) == current->mm) { \
+ valid = !get_user((dst), (wptr)); \
+ } else if (current->mm == NULL) { \
+ use_mm(mmptr); \
+ valid = !get_user((dst), (wptr)); \
+ unuse_mm(mmptr); \
+ } \
+ } \
+ valid; \
+ })
+
#endif /* AMDGPU_AMDKFD_H_INCLUDED */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
index dfb8c74..994d262 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
@@ -39,6 +39,12 @@
#include "gmc/gmc_7_1_sh_mask.h"
#include "cik_structs.h"
+enum hqd_dequeue_request_type {
+ NO_ACTION = 0,
+ DRAIN_PIPE,
+ RESET_WAVES
+};
+
enum {
MAX_TRAPID = 8, /* 3 bits in the bitfield. */
MAX_WATCH_ADDRESSES = 4
@@ -96,12 +102,15 @@ static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
uint32_t hpd_size, uint64_t hpd_gpu_addr);
static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id);
static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
- uint32_t queue_id, uint32_t __user *wptr);
+ uint32_t queue_id, uint32_t __user *wptr,
+ uint32_t wptr_shift, uint32_t wptr_mask,
+ struct mm_struct *mm);
static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd);
static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
uint32_t pipe_id, uint32_t queue_id);
-static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
+static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd,
+ enum kfd_preempt_type reset_type,
unsigned int utimeout, uint32_t pipe_id,
uint32_t queue_id);
static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd);
@@ -290,20 +299,38 @@ static inline struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd)
}
static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
- uint32_t queue_id, uint32_t __user *wptr)
+ uint32_t queue_id, uint32_t __user *wptr,
+ uint32_t wptr_shift, uint32_t wptr_mask,
+ struct mm_struct *mm)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
- uint32_t wptr_shadow, is_wptr_shadow_valid;
struct cik_mqd *m;
+ uint32_t *mqd_hqd;
+ uint32_t reg, wptr_val, data;
m = get_mqd(mqd);
- is_wptr_shadow_valid = !get_user(wptr_shadow, wptr);
- if (is_wptr_shadow_valid)
- m->cp_hqd_pq_wptr = wptr_shadow;
-
acquire_queue(kgd, pipe_id, queue_id);
- gfx_v7_0_mqd_commit(adev, m);
+
+ /* HQD registers extend from CP_MQD_BASE_ADDR to CP_MQD_CONTROL. */
+ mqd_hqd = &m->cp_mqd_base_addr_lo;
+
+ for (reg = mmCP_MQD_BASE_ADDR; reg <= mmCP_MQD_CONTROL; reg++)
+ WREG32(reg, mqd_hqd[reg - mmCP_MQD_BASE_ADDR]);
+
+ /* Copy userspace write pointer value to register.
+ * Activate doorbell logic to monitor subsequent changes.
+ */
+ data = REG_SET_FIELD(m->cp_hqd_pq_doorbell_control,
+ CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1);
+ WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, data);
+
+ if (read_user_wptr(mm, wptr, wptr_val))
+ WREG32(mmCP_HQD_PQ_WPTR, (wptr_val << wptr_shift) & wptr_mask);
+
+ data = REG_SET_FIELD(m->cp_hqd_active, CP_HQD_ACTIVE, ACTIVE, 1);
+ WREG32(mmCP_HQD_ACTIVE, data);
+
release_queue(kgd);
return 0;
@@ -382,30 +409,99 @@ static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd)
return false;
}
-static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
+static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd,
+ enum kfd_preempt_type reset_type,
unsigned int utimeout, uint32_t pipe_id,
uint32_t queue_id)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
uint32_t temp;
- int timeout = utimeout;
+ enum hqd_dequeue_request_type type;
+ unsigned long flags, end_jiffies;
+ int retry;
acquire_queue(kgd, pipe_id, queue_id);
WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, 0);
- WREG32(mmCP_HQD_DEQUEUE_REQUEST, reset_type);
+ switch (reset_type) {
+ case KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN:
+ type = DRAIN_PIPE;
+ break;
+ case KFD_PREEMPT_TYPE_WAVEFRONT_RESET:
+ type = RESET_WAVES;
+ break;
+ default:
+ type = DRAIN_PIPE;
+ break;
+ }
+ /* Workaround: If IQ timer is active and the wait time is close to or
+ * equal to 0, dequeueing is not safe. Wait until either the wait time
+ * is larger or timer is cleared. Also, ensure that IQ_REQ_PEND is
+ * cleared before continuing. Also, ensure wait times are set to at
+ * least 0x3.
+ */
+ local_irq_save(flags);
+ preempt_disable();
+ retry = 5000; /* wait for 500 usecs at maximum */
+ while (true) {
+ temp = RREG32(mmCP_HQD_IQ_TIMER);
+ if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, PROCESSING_IQ)) {
+ pr_debug("HW is processing IQ\n");
+ goto loop;
+ }
+ if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, ACTIVE)) {
+ if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, RETRY_TYPE)
+ == 3) /* SEM-rearm is safe */
+ break;
+ /* Wait time 3 is safe for CP, but our MMIO read/write
+ * time is close to 1 microsecond, so check for 10 to
+ * leave more buffer room
+ */
+ if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, WAIT_TIME)
+ >= 10)
+ break;
+ pr_debug("IQ timer is active\n");
+ } else
+ break;
+loop:
+ if (!retry) {
+ pr_err("CP HQD IQ timer status time out\n");
+ break;
+ }
+ ndelay(100);
+ --retry;
+ }
+ retry = 1000;
+ while (true) {
+ temp = RREG32(mmCP_HQD_DEQUEUE_REQUEST);
+ if (!(temp & CP_HQD_DEQUEUE_REQUEST__IQ_REQ_PEND_MASK))
+ break;
+ pr_debug("Dequeue request is pending\n");
+
+ if (!retry) {
+ pr_err("CP HQD dequeue request time out\n");
+ break;
+ }
+ ndelay(100);
+ --retry;
+ }
+ local_irq_restore(flags);
+ preempt_enable();
+
+ WREG32(mmCP_HQD_DEQUEUE_REQUEST, type);
+
+ end_jiffies = (utimeout * HZ / 1000) + jiffies;
while (true) {
temp = RREG32(mmCP_HQD_ACTIVE);
- if (temp & CP_HQD_ACTIVE__ACTIVE_MASK)
+ if (!(temp & CP_HQD_ACTIVE__ACTIVE_MASK))
break;
- if (timeout <= 0) {
- pr_err("kfd: cp queue preemption time out.\n");
+ if (time_after(jiffies, end_jiffies)) {
+ pr_err("cp queue preemption time out\n");
release_queue(kgd);
return -ETIME;
}
- msleep(20);
- timeout -= 20;
+ usleep_range(500, 1000);
}
release_queue(kgd);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
index 0fccd30..29a6f5d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v8.c
@@ -39,6 +39,12 @@
#include "vi_structs.h"
#include "vid.h"
+enum hqd_dequeue_request_type {
+ NO_ACTION = 0,
+ DRAIN_PIPE,
+ RESET_WAVES
+};
+
struct cik_sdma_rlc_registers;
/*
@@ -55,12 +61,15 @@ static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
uint32_t hpd_size, uint64_t hpd_gpu_addr);
static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id);
static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
- uint32_t queue_id, uint32_t __user *wptr);
+ uint32_t queue_id, uint32_t __user *wptr,
+ uint32_t wptr_shift, uint32_t wptr_mask,
+ struct mm_struct *mm);
static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd);
static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
uint32_t pipe_id, uint32_t queue_id);
static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd);
-static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
+static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd,
+ enum kfd_preempt_type reset_type,
unsigned int utimeout, uint32_t pipe_id,
uint32_t queue_id);
static int kgd_hqd_sdma_destroy(struct kgd_dev *kgd, void *mqd,
@@ -244,20 +253,67 @@ static inline struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd)
}
static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
- uint32_t queue_id, uint32_t __user *wptr)
+ uint32_t queue_id, uint32_t __user *wptr,
+ uint32_t wptr_shift, uint32_t wptr_mask,
+ struct mm_struct *mm)
{
- struct vi_mqd *m;
- uint32_t shadow_wptr, valid_wptr;
struct amdgpu_device *adev = get_amdgpu_device(kgd);
+ struct vi_mqd *m;
+ uint32_t *mqd_hqd;
+ uint32_t reg, wptr_val, data;
m = get_mqd(mqd);
- valid_wptr = copy_from_user(&shadow_wptr, wptr, sizeof(shadow_wptr));
- if (valid_wptr == 0)
- m->cp_hqd_pq_wptr = shadow_wptr;
-
acquire_queue(kgd, pipe_id, queue_id);
- gfx_v8_0_mqd_commit(adev, mqd);
+
+ /* HIQ is set during driver init period with vmid set to 0*/
+ if (m->cp_hqd_vmid == 0) {
+ uint32_t value, mec, pipe;
+
+ mec = (pipe_id / adev->gfx.mec.num_pipe_per_mec) + 1;
+ pipe = (pipe_id % adev->gfx.mec.num_pipe_per_mec);
+
+ pr_debug("kfd: set HIQ, mec:%d, pipe:%d, queue:%d.\n",
+ mec, pipe, queue_id);
+ value = RREG32(mmRLC_CP_SCHEDULERS);
+ value = REG_SET_FIELD(value, RLC_CP_SCHEDULERS, scheduler1,
+ ((mec << 5) | (pipe << 3) | queue_id | 0x80));
+ WREG32(mmRLC_CP_SCHEDULERS, value);
+ }
+
+ /* HQD registers extend from CP_MQD_BASE_ADDR to CP_HQD_EOP_WPTR_MEM. */
+ mqd_hqd = &m->cp_mqd_base_addr_lo;
+
+ for (reg = mmCP_MQD_BASE_ADDR; reg <= mmCP_HQD_EOP_CONTROL; reg++)
+ WREG32(reg, mqd_hqd[reg - mmCP_MQD_BASE_ADDR]);
+
+ /* Tonga errata: EOP RPTR/WPTR should be left unmodified.
+ * This is safe since EOP RPTR==WPTR for any inactive HQD
+ * on ASICs that do not support context-save.
+ * EOP writes/reads can start anywhere in the ring.
+ */
+ if (get_amdgpu_device(kgd)->asic_type != CHIP_TONGA) {
+ WREG32(mmCP_HQD_EOP_RPTR, m->cp_hqd_eop_rptr);
+ WREG32(mmCP_HQD_EOP_WPTR, m->cp_hqd_eop_wptr);
+ WREG32(mmCP_HQD_EOP_WPTR_MEM, m->cp_hqd_eop_wptr_mem);
+ }
+
+ for (reg = mmCP_HQD_EOP_EVENTS; reg <= mmCP_HQD_ERROR; reg++)
+ WREG32(reg, mqd_hqd[reg - mmCP_MQD_BASE_ADDR]);
+
+ /* Copy userspace write pointer value to register.
+ * Activate doorbell logic to monitor subsequent changes.
+ */
+ data = REG_SET_FIELD(m->cp_hqd_pq_doorbell_control,
+ CP_HQD_PQ_DOORBELL_CONTROL, DOORBELL_EN, 1);
+ WREG32(mmCP_HQD_PQ_DOORBELL_CONTROL, data);
+
+ if (read_user_wptr(mm, wptr, wptr_val))
+ WREG32(mmCP_HQD_PQ_WPTR, (wptr_val << wptr_shift) & wptr_mask);
+
+ data = REG_SET_FIELD(m->cp_hqd_active, CP_HQD_ACTIVE, ACTIVE, 1);
+ WREG32(mmCP_HQD_ACTIVE, data);
+
release_queue(kgd);
return 0;
@@ -308,29 +364,102 @@ static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd)
return false;
}
-static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
+static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd,
+ enum kfd_preempt_type reset_type,
unsigned int utimeout, uint32_t pipe_id,
uint32_t queue_id)
{
struct amdgpu_device *adev = get_amdgpu_device(kgd);
uint32_t temp;
- int timeout = utimeout;
+ enum hqd_dequeue_request_type type;
+ unsigned long flags, end_jiffies;
+ int retry;
+ struct vi_mqd *m = get_mqd(mqd);
acquire_queue(kgd, pipe_id, queue_id);
- WREG32(mmCP_HQD_DEQUEUE_REQUEST, reset_type);
+ if (m->cp_hqd_vmid == 0)
+ WREG32_FIELD(RLC_CP_SCHEDULERS, scheduler1, 0);
+
+ switch (reset_type) {
+ case KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN:
+ type = DRAIN_PIPE;
+ break;
+ case KFD_PREEMPT_TYPE_WAVEFRONT_RESET:
+ type = RESET_WAVES;
+ break;
+ default:
+ type = DRAIN_PIPE;
+ break;
+ }
+
+ /* Workaround: If IQ timer is active and the wait time is close to or
+ * equal to 0, dequeueing is not safe. Wait until either the wait time
+ * is larger or timer is cleared. Also, ensure that IQ_REQ_PEND is
+ * cleared before continuing. Also, ensure wait times are set to at
+ * least 0x3.
+ */
+ local_irq_save(flags);
+ preempt_disable();
+ retry = 5000; /* wait for 500 usecs at maximum */
+ while (true) {
+ temp = RREG32(mmCP_HQD_IQ_TIMER);
+ if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, PROCESSING_IQ)) {
+ pr_debug("HW is processing IQ\n");
+ goto loop;
+ }
+ if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, ACTIVE)) {
+ if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, RETRY_TYPE)
+ == 3) /* SEM-rearm is safe */
+ break;
+ /* Wait time 3 is safe for CP, but our MMIO read/write
+ * time is close to 1 microsecond, so check for 10 to
+ * leave more buffer room
+ */
+ if (REG_GET_FIELD(temp, CP_HQD_IQ_TIMER, WAIT_TIME)
+ >= 10)
+ break;
+ pr_debug("IQ timer is active\n");
+ } else
+ break;
+loop:
+ if (!retry) {
+ pr_err("CP HQD IQ timer status time out\n");
+ break;
+ }
+ ndelay(100);
+ --retry;
+ }
+ retry = 1000;
+ while (true) {
+ temp = RREG32(mmCP_HQD_DEQUEUE_REQUEST);
+ if (!(temp & CP_HQD_DEQUEUE_REQUEST__IQ_REQ_PEND_MASK))
+ break;
+ pr_debug("Dequeue request is pending\n");
+ if (!retry) {
+ pr_err("CP HQD dequeue request time out\n");
+ break;
+ }
+ ndelay(100);
+ --retry;
+ }
+ local_irq_restore(flags);
+ preempt_enable();
+
+ WREG32(mmCP_HQD_DEQUEUE_REQUEST, type);
+
+ end_jiffies = (utimeout * HZ / 1000) + jiffies;
while (true) {
temp = RREG32(mmCP_HQD_ACTIVE);
- if (temp & CP_HQD_ACTIVE__ACTIVE_MASK)
+ if (!(temp & CP_HQD_ACTIVE__ACTIVE_MASK))
break;
- if (timeout <= 0) {
- pr_err("kfd: cp queue preemption time out.\n");
+ if (time_after(jiffies, end_jiffies)) {
+ pr_err("cp queue preemption time out.\n");
release_queue(kgd);
return -ETIME;
}
- msleep(20);
- timeout -= 20;
+ usleep_range(500, 1000);
}
release_queue(kgd);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 5dac29d..3891fe5 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -268,8 +268,8 @@ static int create_compute_queue_nocpsch(struct device_queue_manager *dqm,
pr_debug("Loading mqd to hqd on pipe %d, queue %d\n",
q->pipe, q->queue);
- retval = mqd->load_mqd(mqd, q->mqd, q->pipe,
- q->queue, (uint32_t __user *) q->properties.write_ptr);
+ retval = mqd->load_mqd(mqd, q->mqd, q->pipe, q->queue, &q->properties,
+ q->process->mm);
if (retval)
goto out_uninit_mqd;
@@ -585,8 +585,7 @@ static int create_sdma_queue_nocpsch(struct device_queue_manager *dqm,
if (retval)
goto out_deallocate_sdma_queue;
- retval = mqd->load_mqd(mqd, q->mqd, 0,
- 0, NULL);
+ retval = mqd->load_mqd(mqd, q->mqd, 0, 0, &q->properties, NULL);
if (retval)
goto out_uninit_mqd;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
index 0e4d4a9..681b639 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.c
@@ -143,7 +143,8 @@ static bool initialize(struct kernel_queue *kq, struct kfd_dev *dev,
kq->queue->pipe = KFD_CIK_HIQ_PIPE;
kq->queue->queue = KFD_CIK_HIQ_QUEUE;
kq->mqd->load_mqd(kq->mqd, kq->queue->mqd, kq->queue->pipe,
- kq->queue->queue, NULL);
+ kq->queue->queue, &kq->queue->properties,
+ NULL);
} else {
/* allocate fence for DIQ */
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
index 213a71e..1f3a6ba 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h
@@ -67,7 +67,8 @@ struct mqd_manager {
int (*load_mqd)(struct mqd_manager *mm, void *mqd,
uint32_t pipe_id, uint32_t queue_id,
- uint32_t __user *wptr);
+ struct queue_properties *p,
+ struct mm_struct *mms);
int (*update_mqd)(struct mqd_manager *mm, void *mqd,
struct queue_properties *q);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
index 7e0ec6b..44ffd23 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c
@@ -144,15 +144,21 @@ static void uninit_mqd_sdma(struct mqd_manager *mm, void *mqd,
}
static int load_mqd(struct mqd_manager *mm, void *mqd, uint32_t pipe_id,
- uint32_t queue_id, uint32_t __user *wptr)
+ uint32_t queue_id, struct queue_properties *p,
+ struct mm_struct *mms)
{
- return mm->dev->kfd2kgd->hqd_load
- (mm->dev->kgd, mqd, pipe_id, queue_id, wptr);
+ /* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */
+ uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0);
+ uint32_t wptr_mask = (uint32_t)((p->queue_size / sizeof(uint32_t)) - 1);
+
+ return mm->dev->kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id,
+ (uint32_t __user *)p->write_ptr,
+ wptr_shift, wptr_mask, mms);
}
static int load_mqd_sdma(struct mqd_manager *mm, void *mqd,
- uint32_t pipe_id, uint32_t queue_id,
- uint32_t __user *wptr)
+ 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);
}
@@ -176,20 +182,17 @@ static int update_mqd(struct mqd_manager *mm, void *mqd,
m->cp_hqd_pq_base_hi = upper_32_bits((uint64_t)q->queue_address >> 8);
m->cp_hqd_pq_rptr_report_addr_lo = lower_32_bits((uint64_t)q->read_ptr);
m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr);
- m->cp_hqd_pq_doorbell_control = DOORBELL_EN |
- DOORBELL_OFFSET(q->doorbell_off);
+ m->cp_hqd_pq_doorbell_control = DOORBELL_OFFSET(q->doorbell_off);
m->cp_hqd_vmid = q->vmid;
if (q->format == KFD_QUEUE_FORMAT_AQL)
m->cp_hqd_pq_control |= NO_UPDATE_RPTR;
- m->cp_hqd_active = 0;
q->is_active = false;
if (q->queue_size > 0 &&
q->queue_address != 0 &&
q->queue_percent > 0) {
- m->cp_hqd_active = 1;
q->is_active = true;
}
@@ -239,7 +242,7 @@ static int destroy_mqd(struct mqd_manager *mm, void *mqd,
unsigned int timeout, uint32_t pipe_id,
uint32_t queue_id)
{
- return mm->dev->kfd2kgd->hqd_destroy(mm->dev->kgd, type, timeout,
+ return mm->dev->kfd2kgd->hqd_destroy(mm->dev->kgd, mqd, type, timeout,
pipe_id, queue_id);
}
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 98a930e..73cbfe1 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c
@@ -94,10 +94,15 @@ static int init_mqd(struct mqd_manager *mm, void **mqd,
static int load_mqd(struct mqd_manager *mm, void *mqd,
uint32_t pipe_id, uint32_t queue_id,
- uint32_t __user *wptr)
+ struct queue_properties *p, struct mm_struct *mms)
{
- return mm->dev->kfd2kgd->hqd_load
- (mm->dev->kgd, mqd, pipe_id, queue_id, wptr);
+ /* AQL write pointer counts in 64B packets, PM4/CP counts in dwords. */
+ uint32_t wptr_shift = (p->format == KFD_QUEUE_FORMAT_AQL ? 4 : 0);
+ uint32_t wptr_mask = (uint32_t)((p->queue_size / sizeof(uint32_t)) - 1);
+
+ return mm->dev->kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id,
+ (uint32_t __user *)p->write_ptr,
+ wptr_shift, wptr_mask, mms);
}
static int __update_mqd(struct mqd_manager *mm, void *mqd,
@@ -122,7 +127,6 @@ static int __update_mqd(struct mqd_manager *mm, void *mqd,
m->cp_hqd_pq_rptr_report_addr_hi = upper_32_bits((uint64_t)q->read_ptr);
m->cp_hqd_pq_doorbell_control =
- 1 << CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_EN__SHIFT |
q->doorbell_off <<
CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT;
pr_debug("cp_hqd_pq_doorbell_control 0x%x\n",
@@ -159,12 +163,10 @@ static int __update_mqd(struct mqd_manager *mm, void *mqd,
2 << CP_HQD_PQ_CONTROL__SLOT_BASED_WPTR__SHIFT;
}
- m->cp_hqd_active = 0;
q->is_active = false;
if (q->queue_size > 0 &&
q->queue_address != 0 &&
q->queue_percent > 0) {
- m->cp_hqd_active = 1;
q->is_active = true;
}
@@ -184,7 +186,7 @@ static int destroy_mqd(struct mqd_manager *mm, void *mqd,
uint32_t queue_id)
{
return mm->dev->kfd2kgd->hqd_destroy
- (mm->dev->kgd, type, timeout,
+ (mm->dev->kgd, mqd, type, timeout,
pipe_id, queue_id);
}
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index f0d55cc0..30ce92c 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -239,11 +239,6 @@ enum kfd_preempt_type_filter {
KFD_PREEMPT_TYPE_FILTER_BY_PASID
};
-enum kfd_preempt_type {
- KFD_PREEMPT_TYPE_WAVEFRONT,
- KFD_PREEMPT_TYPE_WAVEFRONT_RESET
-};
-
/**
* enum kfd_queue_type
*
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
index 36f3766..ffafda0 100644
--- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
@@ -41,6 +41,11 @@ struct kgd_dev;
struct kgd_mem;
+enum kfd_preempt_type {
+ KFD_PREEMPT_TYPE_WAVEFRONT_DRAIN = 0,
+ KFD_PREEMPT_TYPE_WAVEFRONT_RESET,
+};
+
enum kgd_memory_pool {
KGD_POOL_SYSTEM_CACHEABLE = 1,
KGD_POOL_SYSTEM_WRITECOMBINE = 2,
@@ -153,14 +158,16 @@ struct kfd2kgd_calls {
int (*init_interrupts)(struct kgd_dev *kgd, uint32_t pipe_id);
int (*hqd_load)(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
- uint32_t queue_id, uint32_t __user *wptr);
+ uint32_t queue_id, uint32_t __user *wptr,
+ uint32_t wptr_shift, uint32_t wptr_mask,
+ struct mm_struct *mm);
int (*hqd_sdma_load)(struct kgd_dev *kgd, void *mqd);
bool (*hqd_is_occupied)(struct kgd_dev *kgd, uint64_t queue_address,
uint32_t pipe_id, uint32_t queue_id);
- int (*hqd_destroy)(struct kgd_dev *kgd, uint32_t reset_type,
+ int (*hqd_destroy)(struct kgd_dev *kgd, void *mqd, uint32_t reset_type,
unsigned int timeout, uint32_t pipe_id,
uint32_t queue_id);
diff --git a/drivers/gpu/drm/radeon/radeon_kfd.c b/drivers/gpu/drm/radeon/radeon_kfd.c
index a2ab6dc..695117a 100644
--- a/drivers/gpu/drm/radeon/radeon_kfd.c
+++ b/drivers/gpu/drm/radeon/radeon_kfd.c
@@ -75,12 +75,14 @@ static int kgd_init_pipeline(struct kgd_dev *kgd, uint32_t pipe_id,
uint32_t hpd_size, uint64_t hpd_gpu_addr);
static int kgd_init_interrupts(struct kgd_dev *kgd, uint32_t pipe_id);
static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
- uint32_t queue_id, uint32_t __user *wptr);
+ uint32_t queue_id, uint32_t __user *wptr,
+ uint32_t wptr_shift, uint32_t wptr_mask,
+ struct mm_struct *mm);
static int kgd_hqd_sdma_load(struct kgd_dev *kgd, void *mqd);
static bool kgd_hqd_is_occupied(struct kgd_dev *kgd, uint64_t queue_address,
uint32_t pipe_id, uint32_t queue_id);
-static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
+static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd, uint32_t reset_type,
unsigned int timeout, uint32_t pipe_id,
uint32_t queue_id);
static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd);
@@ -482,7 +484,9 @@ static inline struct cik_sdma_rlc_registers *get_sdma_mqd(void *mqd)
}
static int kgd_hqd_load(struct kgd_dev *kgd, void *mqd, uint32_t pipe_id,
- uint32_t queue_id, uint32_t __user *wptr)
+ uint32_t queue_id, uint32_t __user *wptr,
+ uint32_t wptr_shift, uint32_t wptr_mask,
+ struct mm_struct *mm)
{
uint32_t wptr_shadow, is_wptr_shadow_valid;
struct cik_mqd *m;
@@ -636,7 +640,7 @@ static bool kgd_hqd_sdma_is_occupied(struct kgd_dev *kgd, void *mqd)
return false;
}
-static int kgd_hqd_destroy(struct kgd_dev *kgd, uint32_t reset_type,
+static int kgd_hqd_destroy(struct kgd_dev *kgd, void *mqd, uint32_t reset_type,
unsigned int timeout, uint32_t pipe_id,
uint32_t queue_id)
{
--
2.7.4
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