diff options
Diffstat (limited to 'drivers/gpu/drm/armada')
| -rw-r--r-- | drivers/gpu/drm/armada/armada_crtc.c | 15 | ||||
| -rw-r--r-- | drivers/gpu/drm/armada/armada_debugfs.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/armada/armada_drm.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/armada/armada_drv.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/armada/armada_gem.c | 29 | ||||
| -rw-r--r-- | drivers/gpu/drm/armada/armada_overlay.c | 2 |
6 files changed, 26 insertions, 28 deletions
diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c index cebcab560626..0293eb74d777 100644 --- a/drivers/gpu/drm/armada/armada_crtc.c +++ b/drivers/gpu/drm/armada/armada_crtc.c @@ -928,11 +928,10 @@ static int armada_drm_crtc_cursor_set(struct drm_crtc *crtc, } } - mutex_lock(&dev->struct_mutex); if (dcrtc->cursor_obj) { dcrtc->cursor_obj->update = NULL; dcrtc->cursor_obj->update_data = NULL; - drm_gem_object_unreference(&dcrtc->cursor_obj->obj); + drm_gem_object_unreference_unlocked(&dcrtc->cursor_obj->obj); } dcrtc->cursor_obj = obj; dcrtc->cursor_w = w; @@ -942,14 +941,12 @@ static int armada_drm_crtc_cursor_set(struct drm_crtc *crtc, obj->update_data = dcrtc; obj->update = cursor_update; } - mutex_unlock(&dev->struct_mutex); return ret; } static int armada_drm_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) { - struct drm_device *dev = crtc->dev; struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc); int ret; @@ -957,11 +954,9 @@ static int armada_drm_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) if (!dcrtc->variant->has_spu_adv_reg) return -EFAULT; - mutex_lock(&dev->struct_mutex); dcrtc->cursor_x = x; dcrtc->cursor_y = y; ret = armada_drm_crtc_cursor_update(dcrtc, false); - mutex_unlock(&dev->struct_mutex); return ret; } @@ -972,7 +967,7 @@ static void armada_drm_crtc_destroy(struct drm_crtc *crtc) struct armada_private *priv = crtc->dev->dev_private; if (dcrtc->cursor_obj) - drm_gem_object_unreference(&dcrtc->cursor_obj->obj); + drm_gem_object_unreference_unlocked(&dcrtc->cursor_obj->obj); priv->dcrtc[dcrtc->num] = NULL; drm_crtc_cleanup(&dcrtc->crtc); @@ -1074,7 +1069,7 @@ armada_drm_crtc_set_property(struct drm_crtc *crtc, return 0; } -static struct drm_crtc_funcs armada_crtc_funcs = { +static const struct drm_crtc_funcs armada_crtc_funcs = { .cursor_set = armada_drm_crtc_cursor_set, .cursor_move = armada_drm_crtc_cursor_move, .destroy = armada_drm_crtc_destroy, @@ -1216,14 +1211,14 @@ static int armada_drm_crtc_create(struct drm_device *drm, struct device *dev, &armada_primary_plane_funcs, armada_primary_formats, ARRAY_SIZE(armada_primary_formats), - DRM_PLANE_TYPE_PRIMARY); + DRM_PLANE_TYPE_PRIMARY, NULL); if (ret) { kfree(primary); return ret; } ret = drm_crtc_init_with_planes(drm, &dcrtc->crtc, &primary->base, NULL, - &armada_crtc_funcs); + &armada_crtc_funcs, NULL); if (ret) goto err_crtc_init; diff --git a/drivers/gpu/drm/armada/armada_debugfs.c b/drivers/gpu/drm/armada/armada_debugfs.c index 471e45627f1e..d4f7ab0a30d4 100644 --- a/drivers/gpu/drm/armada/armada_debugfs.c +++ b/drivers/gpu/drm/armada/armada_debugfs.c @@ -21,9 +21,9 @@ static int armada_debugfs_gem_linear_show(struct seq_file *m, void *data) struct armada_private *priv = dev->dev_private; int ret; - mutex_lock(&dev->struct_mutex); + mutex_lock(&priv->linear_lock); ret = drm_mm_dump_table(m, &priv->linear); - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&priv->linear_lock); return ret; } diff --git a/drivers/gpu/drm/armada/armada_drm.h b/drivers/gpu/drm/armada/armada_drm.h index 4df6f2af2b21..3b2bb6128d40 100644 --- a/drivers/gpu/drm/armada/armada_drm.h +++ b/drivers/gpu/drm/armada/armada_drm.h @@ -57,7 +57,8 @@ struct armada_private { DECLARE_KFIFO(fb_unref, struct drm_framebuffer *, 8); struct drm_fb_helper *fbdev; struct armada_crtc *dcrtc[2]; - struct drm_mm linear; + struct drm_mm linear; /* protected by linear_lock */ + struct mutex linear_lock; struct drm_property *csc_yuv_prop; struct drm_property *csc_rgb_prop; struct drm_property *colorkey_prop; diff --git a/drivers/gpu/drm/armada/armada_drv.c b/drivers/gpu/drm/armada/armada_drv.c index 77ab93d60125..3bd7e1cde99e 100644 --- a/drivers/gpu/drm/armada/armada_drv.c +++ b/drivers/gpu/drm/armada/armada_drv.c @@ -102,6 +102,7 @@ static int armada_drm_load(struct drm_device *dev, unsigned long flags) dev->mode_config.preferred_depth = 24; dev->mode_config.funcs = &armada_drm_mode_config_funcs; drm_mm_init(&priv->linear, mem->start, resource_size(mem)); + mutex_init(&priv->linear_lock); ret = component_bind_all(dev->dev, dev); if (ret) diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c index 60a688ef81c7..6e731db31aa4 100644 --- a/drivers/gpu/drm/armada/armada_gem.c +++ b/drivers/gpu/drm/armada/armada_gem.c @@ -46,22 +46,26 @@ static size_t roundup_gem_size(size_t size) return roundup(size, PAGE_SIZE); } -/* dev->struct_mutex is held here */ void armada_gem_free_object(struct drm_gem_object *obj) { struct armada_gem_object *dobj = drm_to_armada_gem(obj); + struct armada_private *priv = obj->dev->dev_private; DRM_DEBUG_DRIVER("release obj %p\n", dobj); drm_gem_free_mmap_offset(&dobj->obj); + might_lock(&priv->linear_lock); + if (dobj->page) { /* page backed memory */ unsigned int order = get_order(dobj->obj.size); __free_pages(dobj->page, order); } else if (dobj->linear) { /* linear backed memory */ + mutex_lock(&priv->linear_lock); drm_mm_remove_node(dobj->linear); + mutex_unlock(&priv->linear_lock); kfree(dobj->linear); if (dobj->addr) iounmap(dobj->addr); @@ -144,10 +148,10 @@ armada_gem_linear_back(struct drm_device *dev, struct armada_gem_object *obj) if (!node) return -ENOSPC; - mutex_lock(&dev->struct_mutex); + mutex_lock(&priv->linear_lock); ret = drm_mm_insert_node(&priv->linear, node, size, align, DRM_MM_SEARCH_DEFAULT); - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&priv->linear_lock); if (ret) { kfree(node); return ret; @@ -158,9 +162,9 @@ armada_gem_linear_back(struct drm_device *dev, struct armada_gem_object *obj) /* Ensure that the memory we're returning is cleared. */ ptr = ioremap_wc(obj->linear->start, size); if (!ptr) { - mutex_lock(&dev->struct_mutex); + mutex_lock(&priv->linear_lock); drm_mm_remove_node(obj->linear); - mutex_unlock(&dev->struct_mutex); + mutex_unlock(&priv->linear_lock); kfree(obj->linear); obj->linear = NULL; return -ENOMEM; @@ -274,18 +278,16 @@ int armada_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, struct armada_gem_object *obj; int ret = 0; - mutex_lock(&dev->struct_mutex); obj = armada_gem_object_lookup(dev, file, handle); if (!obj) { DRM_ERROR("failed to lookup gem object\n"); - ret = -EINVAL; - goto err_unlock; + return -EINVAL; } /* Don't allow imported objects to be mapped */ if (obj->obj.import_attach) { ret = -EINVAL; - goto err_unlock; + goto err_unref; } ret = drm_gem_create_mmap_offset(&obj->obj); @@ -294,9 +296,8 @@ int armada_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, DRM_DEBUG_DRIVER("handle %#x offset %llx\n", handle, *offset); } - drm_gem_object_unreference(&obj->obj); - err_unlock: - mutex_unlock(&dev->struct_mutex); + err_unref: + drm_gem_object_unreference_unlocked(&obj->obj); return ret; } @@ -352,13 +353,13 @@ int armada_gem_mmap_ioctl(struct drm_device *dev, void *data, return -ENOENT; if (!dobj->obj.filp) { - drm_gem_object_unreference(&dobj->obj); + drm_gem_object_unreference_unlocked(&dobj->obj); return -EINVAL; } addr = vm_mmap(dobj->obj.filp, 0, args->size, PROT_READ | PROT_WRITE, MAP_SHARED, args->offset); - drm_gem_object_unreference(&dobj->obj); + drm_gem_object_unreference_unlocked(&dobj->obj); if (IS_ERR_VALUE(addr)) return addr; diff --git a/drivers/gpu/drm/armada/armada_overlay.c b/drivers/gpu/drm/armada/armada_overlay.c index 5c22b380f8f3..148e8a42b2c6 100644 --- a/drivers/gpu/drm/armada/armada_overlay.c +++ b/drivers/gpu/drm/armada/armada_overlay.c @@ -460,7 +460,7 @@ int armada_overlay_plane_create(struct drm_device *dev, unsigned long crtcs) &armada_ovl_plane_funcs, armada_ovl_formats, ARRAY_SIZE(armada_ovl_formats), - DRM_PLANE_TYPE_OVERLAY); + DRM_PLANE_TYPE_OVERLAY, NULL); if (ret) { kfree(dplane); return ret; |
