diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index df23239b04fc219afb77041172ab84788dcb7365..b1e25ae98302746f5f718ac910ebdecb5345cdd5 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -543,10 +543,6 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info)
file->f_mode |= FMODE_LSEEK;
dmabuf->file = file;
- ret = dma_buf_stats_setup(dmabuf);
- if (ret)
- goto err_sysfs;
-
mutex_init(&dmabuf->lock);
INIT_LIST_HEAD(&dmabuf->attachments);
@@ -554,6 +550,10 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info)
list_add(&dmabuf->list_node, &db_list.head);
mutex_unlock(&db_list.lock);
+ ret = dma_buf_stats_setup(dmabuf);
+ if (ret)
+ goto err_sysfs;
+
return dmabuf;
err_sysfs:
diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index daf9f87477ba13cf3e6c1c3bdd24ff027a42a115..a2141d3d9b1d2bbc3048f6e397a358a915b1058d 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -46,8 +46,9 @@ static bool
nouveau_get_backlight_name(char backlight_name[BL_NAME_SIZE],
struct nouveau_backlight *bl)
{
- const int nb = ida_simple_get(&bl_ida, 0, 0, GFP_KERNEL);
- if (nb < 0 || nb >= 100)
+ const int nb = ida_alloc_max(&bl_ida, 99, GFP_KERNEL);
+
+ if (nb < 0)
return false;
if (nb > 0)
snprintf(backlight_name, BL_NAME_SIZE, "nv_backlight%d", nb);
@@ -414,7 +415,7 @@ nouveau_backlight_init(struct drm_connector *connector)
nv_encoder, ops, &props);
if (IS_ERR(bl->dev)) {
if (bl->id >= 0)
- ida_simple_remove(&bl_ida, bl->id);
+ ida_free(&bl_ida, bl->id);
ret = PTR_ERR(bl->dev);
goto fail_alloc;
}
@@ -442,7 +443,7 @@ nouveau_backlight_fini(struct drm_connector *connector)
return;
if (bl->id >= 0)
- ida_simple_remove(&bl_ida, bl->id);
+ ida_free(&bl_ida, bl->id);
backlight_device_unregister(bl->dev);
nv_conn->backlight = NULL;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
index 992cc285f2fecfb7c126fdc59e107e4cb415a904..2ed528c065fae6ba09d801a1401aa72fd0fa505d 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c
@@ -123,7 +123,7 @@ nvkm_device_tegra_probe_iommu(struct nvkm_device_tegra *tdev)
mutex_init(&tdev->iommu.mutex);
- if (iommu_present(&platform_bus_type)) {
+ if (device_iommu_mapped(dev)) {
tdev->iommu.domain = iommu_domain_alloc(&platform_bus_type);
if (!tdev->iommu.domain)
goto error;
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 6c58b0fd13fbb002cdecbb10618493b6e6ee8eb5..98b78ec6b37d6d9ed49acff047eb6ad614720669 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -38,6 +38,7 @@
#include <drm/drm_scdc_helper.h>
#include <linux/clk.h>
#include <linux/component.h>
+#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
#include <linux/of_address.h>
#include <linux/of_gpio.h>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmd.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmd.c
index a3bfbb6c3e14aa30a6431293c46252294b5668ac..162dfeb1cc5ada1bd580cf5bf40c3afbd72b7e5c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmd.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmd.c
@@ -528,7 +528,7 @@ int vmw_cmd_send_fence(struct vmw_private *dev_priv, uint32_t *seqno)
*seqno = atomic_add_return(1, &dev_priv->marker_seq);
} while (*seqno == 0);
- if (!(vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_FENCE)) {
+ if (!vmw_has_fences(dev_priv)) {
/*
* Don't request hardware to send a fence. The
@@ -675,11 +675,14 @@ int vmw_cmd_emit_dummy_query(struct vmw_private *dev_priv,
*/
bool vmw_cmd_supported(struct vmw_private *vmw)
{
- if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS |
- SVGA_CAP_CMD_BUFFERS_2)) != 0)
- return true;
+ bool has_cmdbufs =
+ (vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS |
+ SVGA_CAP_CMD_BUFFERS_2)) != 0;
+ if (vmw_is_svga_v3(vmw))
+ return (has_cmdbufs &&
+ (vmw->capabilities & SVGA_CAP_GBOBJECTS) != 0);
/*
* We have FIFO cmd's
*/
- return vmw->fifo_mem != NULL;
+ return has_cmdbufs || vmw->fifo_mem != NULL;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index ea3ecdda561dc3fe9a2e565e1273b167f138edb7..6de0b9ef5c7734bc58f852ddb2ac0982923d5386 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -1679,4 +1679,12 @@ static inline void vmw_irq_status_write(struct vmw_private *vmw,
outl(status, vmw->io_start + SVGA_IRQSTATUS_PORT);
}
+static inline bool vmw_has_fences(struct vmw_private *vmw)
+{
+ if ((vmw->capabilities & (SVGA_CAP_COMMAND_BUFFERS |
+ SVGA_CAP_CMD_BUFFERS_2)) != 0)
+ return true;
+ return (vmw_fifo_caps(vmw) & SVGA_FIFO_CAP_FENCE) != 0;
+}
+
#endif
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 8ee34576c7d08ac66632beadf513ecbc4c811fba..adf17c740656d72f0c8752095b583977f1a0a7db 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -483,7 +483,7 @@ static int vmw_fb_kms_detach(struct vmw_fb_par *par,
static int vmw_fb_kms_framebuffer(struct fb_info *info)
{
- struct drm_mode_fb_cmd2 mode_cmd;
+ struct drm_mode_fb_cmd2 mode_cmd = {0};
struct vmw_fb_par *par = info->par;
struct fb_var_screeninfo *var = &info->var;
struct drm_framebuffer *cur_fb;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
index 59d6a2dd4c2e41e0eb7084afb0c4ae4ef5c711c6..66cc35dc223e709089e5d2b4051658bc1a335d9d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c
@@ -82,6 +82,22 @@ fman_from_fence(struct vmw_fence_obj *fence)
return container_of(fence->base.lock, struct vmw_fence_manager, lock);
}
+static u32 vmw_fence_goal_read(struct vmw_private *vmw)
+{
+ if ((vmw->capabilities2 & SVGA_CAP2_EXTRA_REGS) != 0)
+ return vmw_read(vmw, SVGA_REG_FENCE_GOAL);
+ else
+ return vmw_fifo_mem_read(vmw, SVGA_FIFO_FENCE_GOAL);
+}
+
+static void vmw_fence_goal_write(struct vmw_private *vmw, u32 value)
+{
+ if ((vmw->capabilities2 & SVGA_CAP2_EXTRA_REGS) != 0)
+ vmw_write(vmw, SVGA_REG_FENCE_GOAL, value);
+ else
+ vmw_fifo_mem_write(vmw, SVGA_FIFO_FENCE_GOAL, value);
+}
+
/*
* Note on fencing subsystem usage of irqs:
* Typically the vmw_fences_update function is called
@@ -392,7 +408,7 @@ static bool vmw_fence_goal_new_locked(struct vmw_fence_manager *fman,
if (likely(!fman->seqno_valid))
return false;
- goal_seqno = vmw_fifo_mem_read(fman->dev_priv, SVGA_FIFO_FENCE_GOAL);
+ goal_seqno = vmw_fence_goal_read(fman->dev_priv);
if (likely(passed_seqno - goal_seqno >= VMW_FENCE_WRAP))
return false;
@@ -400,9 +416,8 @@ static bool vmw_fence_goal_new_locked(struct vmw_fence_manager *fman,
list_for_each_entry(fence, &fman->fence_list, head) {
if (!list_empty(&fence->seq_passed_actions)) {
fman->seqno_valid = true;
- vmw_fifo_mem_write(fman->dev_priv,
- SVGA_FIFO_FENCE_GOAL,
- fence->base.seqno);
+ vmw_fence_goal_write(fman->dev_priv,
+ fence->base.seqno);
break;
}
}
@@ -434,13 +449,12 @@ static bool vmw_fence_goal_check_locked(struct vmw_fence_obj *fence)
if (dma_fence_is_signaled_locked(&fence->base))
return false;
- goal_seqno = vmw_fifo_mem_read(fman->dev_priv, SVGA_FIFO_FENCE_GOAL);
+ goal_seqno = vmw_fence_goal_read(fman->dev_priv);
if (likely(fman->seqno_valid &&
goal_seqno - fence->base.seqno < VMW_FENCE_WRAP))
return false;
- vmw_fifo_mem_write(fman->dev_priv, SVGA_FIFO_FENCE_GOAL,
- fence->base.seqno);
+ vmw_fence_goal_write(fman->dev_priv, fence->base.seqno);
fman->seqno_valid = true;
return true;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
index c5191de365ca1c1e5268654817113974372f565d..fe4732bf2c9d23a4d22cf856b46031455d9e1ba4 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
@@ -32,6 +32,14 @@
#define VMW_FENCE_WRAP (1 << 24)
+static u32 vmw_irqflag_fence_goal(struct vmw_private *vmw)
+{
+ if ((vmw->capabilities2 & SVGA_CAP2_EXTRA_REGS) != 0)
+ return SVGA_IRQFLAG_REG_FENCE_GOAL;
+ else
+ return SVGA_IRQFLAG_FENCE_GOAL;
+}
+
/**
* vmw_thread_fn - Deferred (process context) irq handler
*
@@ -96,7 +104,7 @@ static irqreturn_t vmw_irq_handler(int irq, void *arg)
wake_up_all(&dev_priv->fifo_queue);
if ((masked_status & (SVGA_IRQFLAG_ANY_FENCE |
- SVGA_IRQFLAG_FENCE_GOAL)) &&
+ vmw_irqflag_fence_goal(dev_priv))) &&
!test_and_set_bit(VMW_IRQTHREAD_FENCE, dev_priv->irqthread_pending))
ret = IRQ_WAKE_THREAD;
@@ -137,8 +145,7 @@ bool vmw_seqno_passed(struct vmw_private *dev_priv,
if (likely(dev_priv->last_read_seqno - seqno < VMW_FENCE_WRAP))
return true;
- if (!(vmw_fifo_caps(dev_priv) & SVGA_FIFO_CAP_FENCE) &&
- vmw_fifo_idle(dev_priv, seqno))
+ if (!vmw_has_fences(dev_priv) && vmw_fifo_idle(dev_priv, seqno))
return true;
/**
@@ -160,6 +167,7 @@ int vmw_fallback_wait(struct vmw_private *dev_priv,
unsigned long timeout)
{
struct vmw_fifo_state *fifo_state = dev_priv->fifo;
+ bool fifo_down = false;
uint32_t count = 0;
uint32_t signal_seq;
@@ -176,12 +184,14 @@ int vmw_fallback_wait(struct vmw_private *dev_priv,
*/
if (fifo_idle) {
- down_read(&fifo_state->rwsem);
if (dev_priv->cman) {
ret = vmw_cmdbuf_idle(dev_priv->cman, interruptible,
10*HZ);
if (ret)
goto out_err;
+ } else if (fifo_state) {
+ down_read(&fifo_state->rwsem);
+ fifo_down = true;
}
}
@@ -218,12 +228,12 @@ int vmw_fallback_wait(struct vmw_private *dev_priv,
}
}
finish_wait(&dev_priv->fence_queue, &__wait);
- if (ret == 0 && fifo_idle)
+ if (ret == 0 && fifo_idle && fifo_state)
vmw_fence_write(dev_priv, signal_seq);
wake_up_all(&dev_priv->fence_queue);
out_err:
- if (fifo_idle)
+ if (fifo_down)
up_read(&fifo_state->rwsem);
return ret;
@@ -266,13 +276,13 @@ void vmw_seqno_waiter_remove(struct vmw_private *dev_priv)
void vmw_goal_waiter_add(struct vmw_private *dev_priv)
{
- vmw_generic_waiter_add(dev_priv, SVGA_IRQFLAG_FENCE_GOAL,
+ vmw_generic_waiter_add(dev_priv, vmw_irqflag_fence_goal(dev_priv),
&dev_priv->goal_queue_waiters);
}
void vmw_goal_waiter_remove(struct vmw_private *dev_priv)
{
- vmw_generic_waiter_remove(dev_priv, SVGA_IRQFLAG_FENCE_GOAL,
+ vmw_generic_waiter_remove(dev_priv, vmw_irqflag_fence_goal(dev_priv),
&dev_priv->goal_queue_waiters);
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index bbd2f4ec08ec13f95e718d6434b3d11664f6f8f2..93431e8f6606014ef33f660ed3879383385a4065 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1344,7 +1344,6 @@ vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb,
mode_cmd,
is_bo_proxy);
-
/*
* vmw_create_bo_proxy() adds a reference that is no longer
* needed
@@ -1385,13 +1384,16 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
ret = vmw_user_lookup_handle(dev_priv, file_priv,
mode_cmd->handles[0],
&surface, &bo);
- if (ret)
+ if (ret) {
+ DRM_ERROR("Invalid buffer object handle %u (0x%x).\n",
+ mode_cmd->handles[0], mode_cmd->handles[0]);
goto err_out;
+ }
if (!bo &&
!vmw_kms_srf_ok(dev_priv, mode_cmd->width, mode_cmd->height)) {
- DRM_ERROR("Surface size cannot exceed %dx%d",
+ DRM_ERROR("Surface size cannot exceed %dx%d\n",
dev_priv->texture_max_width,
dev_priv->texture_max_height);
goto err_out;
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 97eb0dee411cf578a7971222299210cf0ab8f41a..a6bb0e4382167e121c49bfeb0445197eab5ecea4 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1434,10 +1434,7 @@ fb_release(struct inode *inode, struct file *file)
__acquires(&info->lock)
__releases(&info->lock)
{
- struct fb_info * const info = file_fb_info(file);
-
- if (!info)
- return -ENODEV;
+ struct fb_info * const info = file->private_data;
lock_fb_info(info);
if (info->fbops->fb_release)
diff --git a/drivers/video/fbdev/core/fbsysfs.c b/drivers/video/fbdev/core/fbsysfs.c
index 26892940c21369bb3f62eb1ae863960f7d348d45..82e31a2d845e1925eca50a26c25d474001a57c18 100644
--- a/drivers/video/fbdev/core/fbsysfs.c
+++ b/drivers/video/fbdev/core/fbsysfs.c
@@ -80,6 +80,10 @@ void framebuffer_release(struct fb_info *info)
{
if (!info)
return;
+
+ if (WARN_ON(refcount_read(&info->count)))
+ return;
+
kfree(info->apertures);
kfree(info);
}
diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
index ea42ba6445b2ddaad7cd1a699ff793dec1bceb4c..b3d5f884c5445b68759b8f18bc7ef8047e10ec30 100644
--- a/drivers/video/fbdev/efifb.c
+++ b/drivers/video/fbdev/efifb.c
@@ -243,6 +243,10 @@ static void efifb_show_boot_graphics(struct fb_info *info)
static inline void efifb_show_boot_graphics(struct fb_info *info) {}
#endif
+/*
+ * fb_ops.fb_destroy is called by the last put_fb_info() call at the end
+ * of unregister_framebuffer() or fb_release(). Do any cleanup here.
+ */
static void efifb_destroy(struct fb_info *info)
{
if (efifb_pci_dev)
@@ -254,10 +258,13 @@ static void efifb_destroy(struct fb_info *info)
else
memunmap(info->screen_base);
}
+
if (request_mem_succeeded)
release_mem_region(info->apertures->ranges[0].base,
info->apertures->ranges[0].size);
fb_dealloc_cmap(&info->cmap);
+
+ framebuffer_release(info);
}
static const struct fb_ops efifb_ops = {
@@ -620,9 +627,9 @@ static int efifb_remove(struct platform_device *pdev)
{
struct fb_info *info = platform_get_drvdata(pdev);
+ /* efifb_destroy takes care of info cleanup */
unregister_framebuffer(info);
sysfs_remove_groups(&pdev->dev.kobj, efifb_groups);
- framebuffer_release(info);
return 0;
}
diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c
index 94fc9c6d04113661e57a7f5f7b43f88f17beb5b8..2c198561c338f74fbb2e34a85aa22f70b36faa3b 100644
--- a/drivers/video/fbdev/simplefb.c
+++ b/drivers/video/fbdev/simplefb.c
@@ -84,6 +84,10 @@ struct simplefb_par {
static void simplefb_clocks_destroy(struct simplefb_par *par);
static void simplefb_regulators_destroy(struct simplefb_par *par);
+/*
+ * fb_ops.fb_destroy is called by the last put_fb_info() call at the end
+ * of unregister_framebuffer() or fb_release(). Do any cleanup here.
+ */
static void simplefb_destroy(struct fb_info *info)
{
struct simplefb_par *par = info->par;
@@ -94,6 +98,8 @@ static void simplefb_destroy(struct fb_info *info)
if (info->screen_base)
iounmap(info->screen_base);
+ framebuffer_release(info);
+
if (mem)
release_mem_region(mem->start, resource_size(mem));
}
@@ -545,8 +551,8 @@ static int simplefb_remove(struct platform_device *pdev)
{
struct fb_info *info = platform_get_drvdata(pdev);
+ /* simplefb_destroy takes care of info cleanup */
unregister_framebuffer(info);
- framebuffer_release(info);
return 0;
}
diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c
index df6de5a9dd4cd9981ac11cc70e38e4309dde7cc0..e25e8de5ff672de983837762f39ef9f8034a7a6f 100644
--- a/drivers/video/fbdev/vesafb.c
+++ b/drivers/video/fbdev/vesafb.c
@@ -179,6 +179,10 @@ static int vesafb_setcolreg(unsigned regno, unsigned red, unsigned green,
return err;
}
+/*
+ * fb_ops.fb_destroy is called by the last put_fb_info() call at the end
+ * of unregister_framebuffer() or fb_release(). Do any cleanup here.
+ */
static void vesafb_destroy(struct fb_info *info)
{
struct vesafb_par *par = info->par;
@@ -188,6 +192,8 @@ static void vesafb_destroy(struct fb_info *info)
if (info->screen_base)
iounmap(info->screen_base);
release_mem_region(info->apertures->ranges[0].base, info->apertures->ranges[0].size);
+
+ framebuffer_release(info);
}
static struct fb_ops vesafb_ops = {
@@ -484,10 +490,10 @@ static int vesafb_remove(struct platform_device *pdev)
{
struct fb_info *info = platform_get_drvdata(pdev);
+ /* vesafb_destroy takes care of info cleanup */
unregister_framebuffer(info);
if (((struct vesafb_par *)(info->par))->region)
release_region(0x3c0, 32);
- framebuffer_release(info);
return 0;
}