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path: root/drivers/video/fbdev/efifb.c
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Diffstat (limited to 'drivers/video/fbdev/efifb.c')
-rw-r--r--drivers/video/fbdev/efifb.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
index 8ea8f079cde2..edca3703b964 100644
--- a/drivers/video/fbdev/efifb.c
+++ b/drivers/video/fbdev/efifb.c
@@ -47,6 +47,8 @@ static bool use_bgrt = true;
static bool request_mem_succeeded = false;
static u64 mem_flags = EFI_MEMORY_WC | EFI_MEMORY_UC;
+static struct pci_dev *efifb_pci_dev; /* dev with BAR covering the efifb */
+
static struct fb_var_screeninfo efifb_defined = {
.activate = FB_ACTIVATE_NOW,
.height = -1,
@@ -243,6 +245,9 @@ static inline void efifb_show_boot_graphics(struct fb_info *info) {}
static void efifb_destroy(struct fb_info *info)
{
+ if (efifb_pci_dev)
+ pm_runtime_put(&efifb_pci_dev->dev);
+
if (info->screen_base) {
if (mem_flags & (EFI_MEMORY_UC | EFI_MEMORY_WC))
iounmap(info->screen_base);
@@ -333,7 +338,6 @@ ATTRIBUTE_GROUPS(efifb);
static bool pci_dev_disabled; /* FB base matches BAR of a disabled device */
-static struct pci_dev *efifb_pci_dev; /* dev with BAR covering the efifb */
static struct resource *bar_resource;
static u64 bar_offset;
@@ -569,17 +573,22 @@ static int efifb_probe(struct platform_device *dev)
pr_err("efifb: cannot allocate colormap\n");
goto err_groups;
}
+
+ if (efifb_pci_dev)
+ WARN_ON(pm_runtime_get_sync(&efifb_pci_dev->dev) < 0);
+
err = register_framebuffer(info);
if (err < 0) {
pr_err("efifb: cannot register framebuffer\n");
- goto err_fb_dealoc;
+ goto err_put_rpm_ref;
}
fb_info(info, "%s frame buffer device\n", info->fix.id);
- if (efifb_pci_dev)
- pm_runtime_get_sync(&efifb_pci_dev->dev);
return 0;
-err_fb_dealoc:
+err_put_rpm_ref:
+ if (efifb_pci_dev)
+ pm_runtime_put(&efifb_pci_dev->dev);
+
fb_dealloc_cmap(&info->cmap);
err_groups:
sysfs_remove_groups(&dev->dev.kobj, efifb_groups);
@@ -603,8 +612,6 @@ static int efifb_remove(struct platform_device *pdev)
unregister_framebuffer(info);
sysfs_remove_groups(&pdev->dev.kobj, efifb_groups);
framebuffer_release(info);
- if (efifb_pci_dev)
- pm_runtime_put(&efifb_pci_dev->dev);
return 0;
}