drm/nouveau/flcn/cmdq: rename cmdq-related nvkm_msqqueue_queue to nvkm_falcon_cmdq
authorBen Skeggs <bskeggs@redhat.com>
Tue, 14 Jan 2020 20:34:22 +0000 (06:34 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Wed, 15 Jan 2020 00:50:29 +0000 (10:50 +1000)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/include/nvkm/core/falcon.h
drivers/gpu/drm/nouveau/nvkm/falcon/cmdq.c

index da7b676..54e1f4d 100644 (file)
@@ -46,6 +46,7 @@ struct nv_falcon_msg {
 };
 
 #define nv_falcon_cmd nv_falcon_msg
+#define NV_FALCON_CMD_UNIT_ID_REWIND                                       0x00
 
 struct nvkm_falcon_qmgr;
 int nvkm_falcon_qmgr_new(struct nvkm_falcon *, struct nvkm_falcon_qmgr **);
index e41ceac..40e3f3f 100644 (file)
 #include "qmgr.h"
 
 static bool
-cmd_queue_has_room(struct nvkm_msgqueue_queue *queue, u32 size, bool *rewind)
+nvkm_falcon_cmdq_has_room(struct nvkm_falcon_cmdq *cmdq, u32 size, bool *rewind)
 {
-       u32 head = nvkm_falcon_rd32(queue->qmgr->falcon, queue->head_reg);
-       u32 tail = nvkm_falcon_rd32(queue->qmgr->falcon, queue->tail_reg);
+       u32 head = nvkm_falcon_rd32(cmdq->qmgr->falcon, cmdq->head_reg);
+       u32 tail = nvkm_falcon_rd32(cmdq->qmgr->falcon, cmdq->tail_reg);
        u32 free;
 
        size = ALIGN(size, QUEUE_ALIGNMENT);
 
        if (head >= tail) {
-               free = queue->offset + queue->size - head;
+               free = cmdq->offset + cmdq->size - head;
                free -= HDR_SIZE;
 
                if (size > free) {
                        *rewind = true;
-                       head = queue->offset;
+                       head = cmdq->offset;
                }
        }
 
@@ -48,73 +48,70 @@ cmd_queue_has_room(struct nvkm_msgqueue_queue *queue, u32 size, bool *rewind)
 }
 
 static void
-cmd_queue_push(struct nvkm_msgqueue_queue *queue, void *data, u32 size)
+nvkm_falcon_cmdq_push(struct nvkm_falcon_cmdq *cmdq, void *data, u32 size)
 {
-       struct nvkm_falcon *falcon = queue->qmgr->falcon;
-       nvkm_falcon_load_dmem(falcon, data, queue->position, size, 0);
-       queue->position += ALIGN(size, QUEUE_ALIGNMENT);
+       struct nvkm_falcon *falcon = cmdq->qmgr->falcon;
+       nvkm_falcon_load_dmem(falcon, data, cmdq->position, size, 0);
+       cmdq->position += ALIGN(size, QUEUE_ALIGNMENT);
 }
 
-/* REWIND unit is always 0x00 */
-#define MSGQUEUE_UNIT_REWIND 0x00
-
 static void
-cmd_queue_rewind(struct nvkm_msgqueue_queue *queue)
+nvkm_falcon_cmdq_rewind(struct nvkm_falcon_cmdq *cmdq)
 {
        struct nv_falcon_cmd cmd;
 
-       cmd.unit_id = MSGQUEUE_UNIT_REWIND;
+       cmd.unit_id = NV_FALCON_CMD_UNIT_ID_REWIND;
        cmd.size = sizeof(cmd);
-       cmd_queue_push(queue, &cmd, cmd.size);
+       nvkm_falcon_cmdq_push(cmdq, &cmd, cmd.size);
 
-       queue->position = queue->offset;
+       cmdq->position = cmdq->offset;
 }
 
 static int
-cmd_queue_open(struct nvkm_msgqueue_queue *queue, u32 size)
+nvkm_falcon_cmdq_open(struct nvkm_falcon_cmdq *cmdq, u32 size)
 {
-       struct nvkm_falcon *falcon = queue->qmgr->falcon;
+       struct nvkm_falcon *falcon = cmdq->qmgr->falcon;
        bool rewind = false;
 
-       mutex_lock(&queue->mutex);
+       mutex_lock(&cmdq->mutex);
 
-       if (!cmd_queue_has_room(queue, size, &rewind)) {
-               FLCNQ_DBG(queue, "queue full");
-               mutex_unlock(&queue->mutex);
+       if (!nvkm_falcon_cmdq_has_room(cmdq, size, &rewind)) {
+               FLCNQ_DBG(cmdq, "queue full");
+               mutex_unlock(&cmdq->mutex);
                return -EAGAIN;
        }
 
-       queue->position = nvkm_falcon_rd32(falcon, queue->head_reg);
+       cmdq->position = nvkm_falcon_rd32(falcon, cmdq->head_reg);
 
        if (rewind)
-               cmd_queue_rewind(queue);
+               nvkm_falcon_cmdq_rewind(cmdq);
 
        return 0;
 }
 
 static void
-cmd_queue_close(struct nvkm_msgqueue_queue *queue)
+nvkm_falcon_cmdq_close(struct nvkm_falcon_cmdq *cmdq)
 {
-       nvkm_falcon_wr32(queue->qmgr->falcon, queue->head_reg, queue->position);
-       mutex_unlock(&queue->mutex);
+       nvkm_falcon_wr32(cmdq->qmgr->falcon, cmdq->head_reg, cmdq->position);
+       mutex_unlock(&cmdq->mutex);
 }
 
 static int
-cmd_write(struct nvkm_msgqueue_queue *queue, struct nv_falcon_cmd *cmd)
+nvkm_falcon_cmdq_write(struct nvkm_falcon_cmdq *cmdq, struct nv_falcon_cmd *cmd)
 {
        static unsigned timeout = 2000;
        unsigned long end_jiffies = jiffies + msecs_to_jiffies(timeout);
        int ret = -EAGAIN;
 
        while (ret == -EAGAIN && time_before(jiffies, end_jiffies))
-               ret = cmd_queue_open(queue, cmd->size);
+               ret = nvkm_falcon_cmdq_open(cmdq, cmd->size);
        if (ret) {
-               FLCNQ_ERR(queue, "timeout waiting for queue space");
+               FLCNQ_ERR(cmdq, "timeout waiting for queue space");
                return ret;
        }
 
-       cmd_queue_push(queue, cmd, cmd->size);
-       cmd_queue_close(queue);
+       nvkm_falcon_cmdq_push(cmdq, cmd, cmd->size);
+       nvkm_falcon_cmdq_close(cmdq);
        return ret;
 }
 
@@ -124,21 +121,20 @@ cmd_write(struct nvkm_msgqueue_queue *queue, struct nv_falcon_cmd *cmd)
 #define CMD_FLAGS_INTR BIT(1)
 
 int
-nvkm_falcon_cmdq_send(struct nvkm_falcon_cmdq *queue,
-                     struct nv_falcon_cmd *cmd,
+nvkm_falcon_cmdq_send(struct nvkm_falcon_cmdq *cmdq, struct nv_falcon_cmd *cmd,
                      nvkm_falcon_qmgr_callback cb, void *priv,
                      unsigned long timeout)
 {
        struct nvkm_falcon_qmgr_seq *seq;
        int ret;
 
-       if (!wait_for_completion_timeout(&queue->ready,
+       if (!wait_for_completion_timeout(&cmdq->ready,
                                         msecs_to_jiffies(1000))) {
-               FLCNQ_ERR(queue, "timeout waiting for queue ready");
+               FLCNQ_ERR(cmdq, "timeout waiting for queue ready");
                return -ETIMEDOUT;
        }
 
-       seq = nvkm_falcon_qmgr_seq_acquire(queue->qmgr);
+       seq = nvkm_falcon_qmgr_seq_acquire(cmdq->qmgr);
        if (IS_ERR(seq))
                return PTR_ERR(seq);
 
@@ -150,20 +146,20 @@ nvkm_falcon_cmdq_send(struct nvkm_falcon_cmdq *queue,
        seq->callback = cb;
        seq->priv = priv;
 
-       ret = cmd_write(queue, cmd);
+       ret = nvkm_falcon_cmdq_write(cmdq, cmd);
        if (ret) {
                seq->state = SEQ_STATE_PENDING;
-               nvkm_falcon_qmgr_seq_release(queue->qmgr, seq);
+               nvkm_falcon_qmgr_seq_release(cmdq->qmgr, seq);
                return ret;
        }
 
        if (!seq->async) {
                if (!wait_for_completion_timeout(&seq->done, timeout)) {
-                       FLCNQ_ERR(queue, "timeout waiting for reply");
+                       FLCNQ_ERR(cmdq, "timeout waiting for reply");
                        return -ETIMEDOUT;
                }
                ret = seq->result;
-               nvkm_falcon_qmgr_seq_release(queue->qmgr, seq);
+               nvkm_falcon_qmgr_seq_release(cmdq->qmgr, seq);
        }
 
        return ret;