Even more heretic than the last one. The mutex is
probably good for something, I just can't see what
that is at the moment.
Signed-off-by: Christian K?nig <deathsimple at vodafone.de>
---
drivers/gpu/drm/radeon/radeon.h | 1 -
drivers/gpu/drm/radeon/radeon_device.c | 1 -
drivers/gpu/drm/radeon/radeon_object.c | 4 ----
drivers/gpu/drm/radeon/radeon_pm.c | 2 --
drivers/gpu/drm/radeon/radeon_ttm.c | 26 --------------------------
5 files changed, 34 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 8769217..c2753e7 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1509,7 +1509,6 @@ struct radeon_device {
struct work_struct audio_work;
int num_crtc; /* number of crtcs */
struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
- struct mutex vram_mutex;
struct r600_audio audio; /* audio stuff */
struct notifier_block acpi_nb;
/* only one userspace can use Hyperz features or CMASK at a time */
diff --git a/drivers/gpu/drm/radeon/radeon_device.c
b/drivers/gpu/drm/radeon/radeon_device.c
index 7ddab8b..24e185c 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -729,7 +729,6 @@ int radeon_device_init(struct radeon_device *rdev,
spin_lock_init(&rdev->ih.lock);
mutex_init(&rdev->gem.mutex);
mutex_init(&rdev->pm.mutex);
- mutex_init(&rdev->vram_mutex);
INIT_LIST_HEAD(&rdev->gem.objects);
init_waitqueue_head(&rdev->irq.vblank_queue);
init_waitqueue_head(&rdev->irq.idle_queue);
diff --git a/drivers/gpu/drm/radeon/radeon_object.c
b/drivers/gpu/drm/radeon/radeon_object.c
index df6a4db..5fa2b1b 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -152,11 +152,9 @@ retry:
INIT_LIST_HEAD(&bo->va);
radeon_ttm_placement_from_domain(bo, domain);
/* Kernel allocation are uninterruptible */
- mutex_lock(&rdev->vram_mutex);
r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
&bo->placement, page_align, 0, !kernel, NULL,
acc_size, &radeon_ttm_bo_destroy);
- mutex_unlock(&rdev->vram_mutex);
if (unlikely(r != 0)) {
if (r != -ERESTARTSYS) {
if (domain == RADEON_GEM_DOMAIN_VRAM) {
@@ -217,9 +215,7 @@ void radeon_bo_unref(struct radeon_bo **bo)
return;
rdev = (*bo)->rdev;
tbo = &((*bo)->tbo);
- mutex_lock(&rdev->vram_mutex);
ttm_bo_unref(&tbo);
- mutex_unlock(&rdev->vram_mutex);
if (tbo == NULL)
*bo = NULL;
}
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c
b/drivers/gpu/drm/radeon/radeon_pm.c
index 0882554..e8fba26 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -251,7 +251,6 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
return;
mutex_lock(&rdev->ddev->struct_mutex);
- mutex_lock(&rdev->vram_mutex);
mutex_lock(&rdev->ring_lock);
/* gui idle int has issues on older chips it seems */
@@ -303,7 +302,6 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev)
rdev->pm.dynpm_planned_action = DYNPM_ACTION_NONE;
mutex_unlock(&rdev->ring_lock);
- mutex_unlock(&rdev->vram_mutex);
mutex_unlock(&rdev->ddev->struct_mutex);
}
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c
b/drivers/gpu/drm/radeon/radeon_ttm.c
index a7f9007..c0a8647 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -771,26 +771,6 @@ void radeon_ttm_set_active_vram_size(struct radeon_device
*rdev, u64 size)
man->size = size >> PAGE_SHIFT;
}
-static struct vm_operations_struct radeon_ttm_vm_ops;
-static const struct vm_operations_struct *ttm_vm_ops = NULL;
-
-static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
- struct ttm_buffer_object *bo;
- struct radeon_device *rdev;
- int r;
-
- bo = (struct ttm_buffer_object *)vma->vm_private_data;
- if (bo == NULL) {
- return VM_FAULT_NOPAGE;
- }
- rdev = radeon_get_rdev(bo->bdev);
- mutex_lock(&rdev->vram_mutex);
- r = ttm_vm_ops->fault(vma, vmf);
- mutex_unlock(&rdev->vram_mutex);
- return r;
-}
-
int radeon_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct drm_file *file_priv;
@@ -810,12 +790,6 @@ int radeon_mmap(struct file *filp, struct vm_area_struct
*vma)
if (unlikely(r != 0)) {
return r;
}
- if (unlikely(ttm_vm_ops == NULL)) {
- ttm_vm_ops = vma->vm_ops;
- radeon_ttm_vm_ops = *ttm_vm_ops;
- radeon_ttm_vm_ops.fault = &radeon_ttm_fault;
- }
- vma->vm_ops = &radeon_ttm_vm_ops;
return 0;
}
--
1.7.9.5
