msm_iommu.o \
msm_perf.o \
msm_rd.o \
- msm_ringbuffer.o
+ msm_ringbuffer.o \
+ msm_submitqueue.o
msm-$(CONFIG_DRM_FBDEV_EMULATION) += msm_fbdev.o
msm-$(CONFIG_COMMON_CLK) += mdp/mdp4/mdp4_lvds_pll.o
* - 1.0.0 - initial interface
* - 1.1.0 - adds madvise, and support for submits with > 4 cmd buffers
* - 1.2.0 - adds explicit fence support for submit ioctl
+ * - 1.3.0 - adds GMEM_BASE + NR_RINGS params, SUBMITQUEUE_NEW +
+ * SUBMITQUEUE_CLOSE ioctls, and MSM_INFO_IOVA flag for
+ * MSM_GEM_INFO ioctl.
*/
#define MSM_VERSION_MAJOR 1
-#define MSM_VERSION_MINOR 2
+#define MSM_VERSION_MINOR 3
#define MSM_VERSION_PATCHLEVEL 0
static void msm_fb_output_poll_changed(struct drm_device *dev)
mutex_unlock(&init_lock);
}
-static int msm_open(struct drm_device *dev, struct drm_file *file)
+static int context_init(struct drm_file *file)
{
struct msm_file_private *ctx;
- /* For now, load gpu on open.. to avoid the requirement of having
- * firmware in the initrd.
- */
- load_gpu(dev);
-
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
+ msm_submitqueue_init(ctx);
+
file->driver_priv = ctx;
return 0;
}
+static int msm_open(struct drm_device *dev, struct drm_file *file)
+{
+ /* For now, load gpu on open.. to avoid the requirement of having
+ * firmware in the initrd.
+ */
+ load_gpu(dev);
+
+ return context_init(file);
+}
+
+static void context_close(struct msm_file_private *ctx)
+{
+ msm_submitqueue_close(ctx);
+ kfree(ctx);
+}
+
static void msm_postclose(struct drm_device *dev, struct drm_file *file)
{
struct msm_drm_private *priv = dev->dev_private;
priv->lastctx = NULL;
mutex_unlock(&dev->struct_mutex);
- kfree(ctx);
+ context_close(ctx);
}
static void msm_lastclose(struct drm_device *dev)
return ret;
}
+
+static int msm_ioctl_submitqueue_new(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ struct drm_msm_submitqueue *args = data;
+
+ if (args->flags & ~MSM_SUBMITQUEUE_FLAGS)
+ return -EINVAL;
+
+ return msm_submitqueue_create(file->driver_priv, args->prio,
+ args->flags, &args->id);
+}
+
+
+static int msm_ioctl_submitqueue_close(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ u32 id = *(u32 *) data;
+
+ return msm_submitqueue_remove(file->driver_priv, id);
+}
+
static const struct drm_ioctl_desc msm_ioctls[] = {
DRM_IOCTL_DEF_DRV(MSM_GET_PARAM, msm_ioctl_get_param, DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(MSM_GEM_NEW, msm_ioctl_gem_new, DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(MSM_GEM_SUBMIT, msm_ioctl_gem_submit, DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(MSM_WAIT_FENCE, msm_ioctl_wait_fence, DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(MSM_GEM_MADVISE, msm_ioctl_gem_madvise, DRM_AUTH|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_SUBMITQUEUE_NEW, msm_ioctl_submitqueue_new, DRM_AUTH|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(MSM_SUBMITQUEUE_CLOSE, msm_ioctl_submitqueue_close, DRM_AUTH|DRM_RENDER_ALLOW),
};
static const struct vm_operations_struct vm_ops = {
struct msm_gem_vma;
struct msm_file_private {
- /* currently we don't do anything useful with this.. but when
- * per-context address spaces are supported we'd keep track of
- * the context's page-tables here.
- */
- int dummy;
+ rwlock_t queuelock;
+ struct list_head submitqueues;
+ int queueid;
};
enum msm_mdp_plane_property {
void msm_writel(u32 data, void __iomem *addr);
u32 msm_readl(const void __iomem *addr);
+struct msm_gpu_submitqueue;
+int msm_submitqueue_init(struct msm_file_private *ctx);
+struct msm_gpu_submitqueue *msm_submitqueue_get(struct msm_file_private *ctx,
+ u32 id);
+int msm_submitqueue_create(struct msm_file_private *ctx, u32 prio,
+ u32 flags, u32 *id);
+int msm_submitqueue_remove(struct msm_file_private *ctx, u32 id);
+void msm_submitqueue_close(struct msm_file_private *ctx);
+
+void msm_submitqueue_destroy(struct kref *kref);
+
+
#define DBG(fmt, ...) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__)
#define VERB(fmt, ...) if (0) DRM_DEBUG_DRIVER(fmt"\n", ##__VA_ARGS__)
struct list_head bo_list;
struct ww_acquire_ctx ticket;
struct dma_fence *fence;
+ struct msm_gpu_submitqueue *queue;
struct pid *pid; /* submitting process */
bool valid; /* true if no cmdstream patching needed */
unsigned int nr_cmds;
#define BO_PINNED 0x2000
static struct msm_gem_submit *submit_create(struct drm_device *dev,
- struct msm_gpu *gpu, uint32_t nr_bos, uint32_t nr_cmds)
+ struct msm_gpu *gpu, struct msm_gpu_submitqueue *queue,
+ uint32_t nr_bos, uint32_t nr_cmds)
{
struct msm_gem_submit *submit;
uint64_t sz = sizeof(*submit) + ((u64)nr_bos * sizeof(submit->bos[0])) +
submit->fence = NULL;
submit->pid = get_pid(task_pid(current));
submit->cmd = (void *)&submit->bos[nr_bos];
+ submit->queue = queue;
/* initially, until copy_from_user() and bo lookup succeeds: */
submit->nr_bos = 0;
dma_fence_put(submit->fence);
list_del(&submit->node);
put_pid(submit->pid);
+ msm_submitqueue_put(submit->queue);
+
kfree(submit);
}
struct msm_gpu *gpu = priv->gpu;
struct dma_fence *in_fence = NULL;
struct sync_file *sync_file = NULL;
+ struct msm_gpu_submitqueue *queue;
int out_fence_fd = -1;
unsigned i;
int ret;
if (MSM_PIPE_FLAGS(args->flags) & ~MSM_SUBMIT_FLAGS)
return -EINVAL;
+ queue = msm_submitqueue_get(ctx, args->queueid);
+ if (!queue)
+ return -ENOENT;
+
if (args->flags & MSM_SUBMIT_FENCE_FD_IN) {
in_fence = sync_file_get_fence(args->fence_fd);
}
priv->struct_mutex_task = current;
- submit = submit_create(dev, gpu, args->nr_bos, args->nr_cmds);
+ submit = submit_create(dev, gpu, queue, args->nr_bos, args->nr_cmds);
if (!submit) {
ret = -ENOMEM;
goto out_unlock;
submit->nr_cmds = i;
submit->fence = msm_fence_alloc(gpu->fctx);
+
if (IS_ERR(submit->fence)) {
ret = PTR_ERR(submit->fence);
submit->fence = NULL;
const char *name;
};
+struct msm_gpu_submitqueue {
+ int id;
+ u32 flags;
+ u32 prio;
+ int faults;
+ struct list_head node;
+ struct kref ref;
+};
+
static inline void gpu_write(struct msm_gpu *gpu, u32 reg, u32 data)
{
msm_writel(data, gpu->mmio + (reg << 2));
void __init adreno_register(void);
void __exit adreno_unregister(void);
+static inline void msm_submitqueue_put(struct msm_gpu_submitqueue *queue)
+{
+ if (queue)
+ kref_put(&queue->ref, msm_submitqueue_destroy);
+}
+
#endif /* __MSM_GPU_H__ */
--- /dev/null
+/* Copyright (c) 2017 The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kref.h>
+#include "msm_gpu.h"
+
+void msm_submitqueue_destroy(struct kref *kref)
+{
+ struct msm_gpu_submitqueue *queue = container_of(kref,
+ struct msm_gpu_submitqueue, ref);
+
+ kfree(queue);
+}
+
+struct msm_gpu_submitqueue *msm_submitqueue_get(struct msm_file_private *ctx,
+ u32 id)
+{
+ struct msm_gpu_submitqueue *entry;
+
+ if (!ctx)
+ return NULL;
+
+ read_lock(&ctx->queuelock);
+
+ list_for_each_entry(entry, &ctx->submitqueues, node) {
+ if (entry->id == id) {
+ kref_get(&entry->ref);
+ read_unlock(&ctx->queuelock);
+
+ return entry;
+ }
+ }
+
+ read_unlock(&ctx->queuelock);
+ return NULL;
+}
+
+void msm_submitqueue_close(struct msm_file_private *ctx)
+{
+ struct msm_gpu_submitqueue *entry, *tmp;
+
+ if (!ctx)
+ return;
+
+ /*
+ * No lock needed in close and there won't
+ * be any more user ioctls coming our way
+ */
+ list_for_each_entry_safe(entry, tmp, &ctx->submitqueues, node)
+ msm_submitqueue_put(entry);
+}
+
+int msm_submitqueue_create(struct msm_file_private *ctx, u32 prio, u32 flags,
+ u32 *id)
+{
+ struct msm_gpu_submitqueue *queue;
+
+ if (!ctx)
+ return -ENODEV;
+
+ queue = kzalloc(sizeof(*queue), GFP_KERNEL);
+
+ if (!queue)
+ return -ENOMEM;
+
+ kref_init(&queue->ref);
+ queue->flags = flags;
+ queue->prio = prio;
+
+ write_lock(&ctx->queuelock);
+
+ queue->id = ctx->queueid++;
+
+ if (id)
+ *id = queue->id;
+
+ list_add_tail(&queue->node, &ctx->submitqueues);
+
+ write_unlock(&ctx->queuelock);
+
+ return 0;
+}
+
+int msm_submitqueue_init(struct msm_file_private *ctx)
+{
+ if (!ctx)
+ return 0;
+
+ INIT_LIST_HEAD(&ctx->submitqueues);
+
+ rwlock_init(&ctx->queuelock);
+
+ return msm_submitqueue_create(ctx, 2, 0, NULL);
+}
+
+int msm_submitqueue_remove(struct msm_file_private *ctx, u32 id)
+{
+ struct msm_gpu_submitqueue *entry;
+
+ if (!ctx)
+ return 0;
+
+ /*
+ * id 0 is the "default" queue and can't be destroyed
+ * by the user
+ */
+ if (!id)
+ return -ENOENT;
+
+ write_lock(&ctx->queuelock);
+
+ list_for_each_entry(entry, &ctx->submitqueues, node) {
+ if (entry->id == id) {
+ list_del(&entry->node);
+ write_unlock(&ctx->queuelock);
+
+ msm_submitqueue_put(entry);
+ return 0;
+ }
+ }
+
+ write_unlock(&ctx->queuelock);
+ return -ENOENT;
+}
+
__u64 bos; /* in, ptr to array of submit_bo's */
__u64 cmds; /* in, ptr to array of submit_cmd's */
__s32 fence_fd; /* in/out fence fd (see MSM_SUBMIT_FENCE_FD_IN/OUT) */
+ __u32 queueid; /* in, submitqueue id */
};
/* The normal way to synchronize with the GPU is just to CPU_PREP on
__u32 retained; /* out, whether backing store still exists */
};
+/*
+ * Draw queues allow the user to set specific submission parameter. Command
+ * submissions specify a specific submitqueue to use. ID 0 is reserved for
+ * backwards compatibility as a "default" submitqueue
+ */
+
+#define MSM_SUBMITQUEUE_FLAGS (0)
+
+struct drm_msm_submitqueue {
+ __u32 flags; /* in, MSM_SUBMITQUEUE_x */
+ __u32 prio; /* in, Priority level */
+ __u32 id; /* out, identifier */
+};
+
#define DRM_MSM_GET_PARAM 0x00
/* placeholder:
#define DRM_MSM_SET_PARAM 0x01
#define DRM_MSM_GEM_SUBMIT 0x06
#define DRM_MSM_WAIT_FENCE 0x07
#define DRM_MSM_GEM_MADVISE 0x08
+/* placeholder:
+#define DRM_MSM_GEM_SVM_NEW 0x09
+ */
+#define DRM_MSM_SUBMITQUEUE_NEW 0x0A
+#define DRM_MSM_SUBMITQUEUE_CLOSE 0x0B
#define DRM_IOCTL_MSM_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GET_PARAM, struct drm_msm_param)
#define DRM_IOCTL_MSM_GEM_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_NEW, struct drm_msm_gem_new)
#define DRM_IOCTL_MSM_GEM_SUBMIT DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_SUBMIT, struct drm_msm_gem_submit)
#define DRM_IOCTL_MSM_WAIT_FENCE DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_WAIT_FENCE, struct drm_msm_wait_fence)
#define DRM_IOCTL_MSM_GEM_MADVISE DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_GEM_MADVISE, struct drm_msm_gem_madvise)
+#define DRM_IOCTL_MSM_SUBMITQUEUE_NEW DRM_IOWR(DRM_COMMAND_BASE + DRM_MSM_SUBMITQUEUE_NEW, struct drm_msm_submitqueue)
+#define DRM_IOCTL_MSM_SUBMITQUEUE_CLOSE DRM_IOW (DRM_COMMAND_BASE + DRM_MSM_SUBMITQUEUE_CLOSE, __u32)
#if defined(__cplusplus)
}
projects / users / hch / configfs.git / commitdiff