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path: root/drivers/gpu/drm/etnaviv/etnaviv_drv.c
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Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_drv.c')
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_drv.c114
1 files changed, 78 insertions, 36 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
index 7eb7cf9c3fa8..6b43c1c94e8f 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
@@ -4,8 +4,17 @@
*/
#include <linux/component.h>
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
#include <linux/of_platform.h>
+#include <linux/uaccess.h>
+
+#include <drm/drm_debugfs.h>
+#include <drm/drm_drv.h>
+#include <drm/drm_file.h>
+#include <drm/drm_ioctl.h>
#include <drm/drm_of.h>
+#include <drm/drm_prime.h>
#include "etnaviv_cmdbuf.h"
#include "etnaviv_drv.h"
@@ -41,26 +50,38 @@ static int etnaviv_open(struct drm_device *dev, struct drm_file *file)
{
struct etnaviv_drm_private *priv = dev->dev_private;
struct etnaviv_file_private *ctx;
- int i;
+ int ret, i;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
+ ctx->mmu = etnaviv_iommu_context_init(priv->mmu_global,
+ priv->cmdbuf_suballoc);
+ if (!ctx->mmu) {
+ ret = -ENOMEM;
+ goto out_free;
+ }
+
for (i = 0; i < ETNA_MAX_PIPES; i++) {
struct etnaviv_gpu *gpu = priv->gpu[i];
- struct drm_sched_rq *rq;
+ struct drm_gpu_scheduler *sched;
if (gpu) {
- rq = &gpu->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
+ sched = &gpu->sched;
drm_sched_entity_init(&ctx->sched_entity[i],
- &rq, 1, NULL);
+ DRM_SCHED_PRIORITY_NORMAL, &sched,
+ 1, NULL);
}
}
file->driver_priv = ctx;
return 0;
+
+out_free:
+ kfree(ctx);
+ return ret;
}
static void etnaviv_postclose(struct drm_device *dev, struct drm_file *file)
@@ -76,6 +97,8 @@ static void etnaviv_postclose(struct drm_device *dev, struct drm_file *file)
drm_sched_entity_destroy(&ctx->sched_entity[i]);
}
+ etnaviv_iommu_context_put(ctx->mmu);
+
kfree(ctx);
}
@@ -107,12 +130,29 @@ static int etnaviv_mm_show(struct drm_device *dev, struct seq_file *m)
static int etnaviv_mmu_show(struct etnaviv_gpu *gpu, struct seq_file *m)
{
struct drm_printer p = drm_seq_file_printer(m);
+ struct etnaviv_iommu_context *mmu_context;
seq_printf(m, "Active Objects (%s):\n", dev_name(gpu->dev));
- mutex_lock(&gpu->mmu->lock);
- drm_mm_print(&gpu->mmu->mm, &p);
- mutex_unlock(&gpu->mmu->lock);
+ /*
+ * Lock the GPU to avoid a MMU context switch just now and elevate
+ * the refcount of the current context to avoid it disappearing from
+ * under our feet.
+ */
+ mutex_lock(&gpu->lock);
+ mmu_context = gpu->mmu_context;
+ if (mmu_context)
+ etnaviv_iommu_context_get(mmu_context);
+ mutex_unlock(&gpu->lock);
+
+ if (!mmu_context)
+ return 0;
+
+ mutex_lock(&mmu_context->lock);
+ drm_mm_print(&mmu_context->mm, &p);
+ mutex_unlock(&mmu_context->lock);
+
+ etnaviv_iommu_context_put(mmu_context);
return 0;
}
@@ -243,11 +283,6 @@ static int etnaviv_ioctl_gem_new(struct drm_device *dev, void *data,
args->flags, &args->handle);
}
-#define TS(t) ((struct timespec){ \
- .tv_sec = (t).tv_sec, \
- .tv_nsec = (t).tv_nsec \
-})
-
static int etnaviv_ioctl_gem_cpu_prep(struct drm_device *dev, void *data,
struct drm_file *file)
{
@@ -262,7 +297,7 @@ static int etnaviv_ioctl_gem_cpu_prep(struct drm_device *dev, void *data,
if (!obj)
return -ENOENT;
- ret = etnaviv_gem_cpu_prep(obj, args->op, &TS(args->timeout));
+ ret = etnaviv_gem_cpu_prep(obj, args->op, &args->timeout);
drm_gem_object_put_unlocked(obj);
@@ -315,7 +350,7 @@ static int etnaviv_ioctl_wait_fence(struct drm_device *dev, void *data,
{
struct drm_etnaviv_wait_fence *args = data;
struct etnaviv_drm_private *priv = dev->dev_private;
- struct timespec *timeout = &TS(args->timeout);
+ struct drm_etnaviv_timespec *timeout = &args->timeout;
struct etnaviv_gpu *gpu;
if (args->flags & ~(ETNA_WAIT_NONBLOCK))
@@ -364,7 +399,7 @@ static int etnaviv_ioctl_gem_wait(struct drm_device *dev, void *data,
{
struct etnaviv_drm_private *priv = dev->dev_private;
struct drm_etnaviv_gem_wait *args = data;
- struct timespec *timeout = &TS(args->timeout);
+ struct drm_etnaviv_timespec *timeout = &args->timeout;
struct drm_gem_object *obj;
struct etnaviv_gpu *gpu;
int ret;
@@ -430,17 +465,17 @@ static int etnaviv_ioctl_pm_query_sig(struct drm_device *dev, void *data,
static const struct drm_ioctl_desc etnaviv_ioctls[] = {
#define ETNA_IOCTL(n, func, flags) \
DRM_IOCTL_DEF_DRV(ETNAVIV_##n, etnaviv_ioctl_##func, flags)
- ETNA_IOCTL(GET_PARAM, get_param, DRM_AUTH|DRM_RENDER_ALLOW),
- ETNA_IOCTL(GEM_NEW, gem_new, DRM_AUTH|DRM_RENDER_ALLOW),
- ETNA_IOCTL(GEM_INFO, gem_info, DRM_AUTH|DRM_RENDER_ALLOW),
- ETNA_IOCTL(GEM_CPU_PREP, gem_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW),
- ETNA_IOCTL(GEM_CPU_FINI, gem_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW),
- ETNA_IOCTL(GEM_SUBMIT, gem_submit, DRM_AUTH|DRM_RENDER_ALLOW),
- ETNA_IOCTL(WAIT_FENCE, wait_fence, DRM_AUTH|DRM_RENDER_ALLOW),
- ETNA_IOCTL(GEM_USERPTR, gem_userptr, DRM_AUTH|DRM_RENDER_ALLOW),
- ETNA_IOCTL(GEM_WAIT, gem_wait, DRM_AUTH|DRM_RENDER_ALLOW),
- ETNA_IOCTL(PM_QUERY_DOM, pm_query_dom, DRM_AUTH|DRM_RENDER_ALLOW),
- ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_AUTH|DRM_RENDER_ALLOW),
+ ETNA_IOCTL(GET_PARAM, get_param, DRM_RENDER_ALLOW),
+ ETNA_IOCTL(GEM_NEW, gem_new, DRM_RENDER_ALLOW),
+ ETNA_IOCTL(GEM_INFO, gem_info, DRM_RENDER_ALLOW),
+ ETNA_IOCTL(GEM_CPU_PREP, gem_cpu_prep, DRM_RENDER_ALLOW),
+ ETNA_IOCTL(GEM_CPU_FINI, gem_cpu_fini, DRM_RENDER_ALLOW),
+ ETNA_IOCTL(GEM_SUBMIT, gem_submit, DRM_RENDER_ALLOW),
+ ETNA_IOCTL(WAIT_FENCE, wait_fence, DRM_RENDER_ALLOW),
+ ETNA_IOCTL(GEM_USERPTR, gem_userptr, DRM_RENDER_ALLOW),
+ ETNA_IOCTL(GEM_WAIT, gem_wait, DRM_RENDER_ALLOW),
+ ETNA_IOCTL(PM_QUERY_DOM, pm_query_dom, DRM_RENDER_ALLOW),
+ ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_RENDER_ALLOW),
};
static const struct vm_operations_struct vm_ops = {
@@ -462,17 +497,13 @@ static const struct file_operations fops = {
};
static struct drm_driver etnaviv_drm_driver = {
- .driver_features = DRIVER_GEM |
- DRIVER_PRIME |
- DRIVER_RENDER,
+ .driver_features = DRIVER_GEM | DRIVER_RENDER,
.open = etnaviv_open,
.postclose = etnaviv_postclose,
.gem_free_object_unlocked = etnaviv_gem_free_object,
.gem_vm_ops = &vm_ops,
.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
- .gem_prime_export = drm_gem_prime_export,
- .gem_prime_import = drm_gem_prime_import,
.gem_prime_pin = etnaviv_gem_prime_pin,
.gem_prime_unpin = etnaviv_gem_prime_unpin,
.gem_prime_get_sg_table = etnaviv_gem_prime_get_sg_table,
@@ -490,7 +521,7 @@ static struct drm_driver etnaviv_drm_driver = {
.desc = "etnaviv DRM",
.date = "20151214",
.major = 1,
- .minor = 2,
+ .minor = 3,
};
/*
@@ -521,23 +552,32 @@ static int etnaviv_bind(struct device *dev)
INIT_LIST_HEAD(&priv->gem_list);
priv->num_gpus = 0;
+ priv->cmdbuf_suballoc = etnaviv_cmdbuf_suballoc_new(drm->dev);
+ if (IS_ERR(priv->cmdbuf_suballoc)) {
+ dev_err(drm->dev, "Failed to create cmdbuf suballocator\n");
+ ret = PTR_ERR(priv->cmdbuf_suballoc);
+ goto out_free_priv;
+ }
+
dev_set_drvdata(dev, drm);
ret = component_bind_all(dev, drm);
if (ret < 0)
- goto out_bind;
+ goto out_destroy_suballoc;
load_gpu(drm);
ret = drm_dev_register(drm, 0);
if (ret)
- goto out_register;
+ goto out_unbind;
return 0;
-out_register:
+out_unbind:
component_unbind_all(dev, drm);
-out_bind:
+out_destroy_suballoc:
+ etnaviv_cmdbuf_suballoc_destroy(priv->cmdbuf_suballoc);
+out_free_priv:
kfree(priv);
out_put:
drm_dev_put(drm);
@@ -556,6 +596,8 @@ static void etnaviv_unbind(struct device *dev)
dev->dma_parms = NULL;
+ etnaviv_cmdbuf_suballoc_destroy(priv->cmdbuf_suballoc);
+
drm->dev_private = NULL;
kfree(priv);
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