Merge tag 'for-5.19/fbdev-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev

Pull fbdev fixes and updates from Helge Deller:
 "A buch of small fixes and cleanups, including:

   - vesafb: Fix a use-after-free due early fb_info cleanup

   - clcdfb: Fix refcount leak in clcdfb_of_vram_setup

   - hyperv_fb: Allow resolutions with size > 64 MB for Gen1

   - pxa3xx-gcu: release the resources correctly in
     pxa3xx_gcu_probe/remove()

   - omapfb: Prevent compiler warning regarding
     hwa742_update_window_async()"

* tag 'for-5.19/fbdev-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev:
  video: fbdev: omap: Add prototype for hwa742_update_window_async()
  video: fbdev: vesafb: Fix a use-after-free due early fb_info cleanup
  video: fbdev: radeon: Fix spelling typo in comment
  video: fbdev: xen: remove setting of 'transp' parameter
  video: fbdev: pxa3xx-gcu: release the resources correctly in pxa3xx_gcu_probe/remove()
  video: fbdev: omapfb: simplify the return expression of nec_8048_connect()
  video: fbdev: omapfb: simplify the return expression of dsi_init_pll_data()
  video: fbdev: clcdfb: Fix refcount leak in clcdfb_of_vram_setup
  video: fbdev: hyperv_fb: Allow resolutions with size > 64 MB for Gen1

8 files changed, 21 insertions, 40 deletions

diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c
index 9ec969e136bf..8080116aea84 100644
--- a/drivers/video/fbdev/amba-clcd.c
+++ b/drivers/video/fbdev/amba-clcd.c
@@ -758,12 +758,15 @@ static int clcdfb_of_vram_setup(struct clcd_fb *fb)
 		return -ENODEV;
 
 	fb->fb.screen_base = of_iomap(memory, 0);
-	if (!fb->fb.screen_base)
+	if (!fb->fb.screen_base) {
+		of_node_put(memory);
 		return -ENOMEM;
+	}
 
 	fb->fb.fix.smem_start = of_translate_address(memory,
 			of_get_address(memory, 0, &size, NULL));
 	fb->fb.fix.smem_len = size;
+	of_node_put(memory);
 
 	return 0;
 }
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
index 18dc2fce649d..886c564787f1 100644
--- a/drivers/video/fbdev/hyperv_fb.c
+++ b/drivers/video/fbdev/hyperv_fb.c
@@ -992,7 +992,6 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info)
 	struct pci_dev *pdev  = NULL;
 	void __iomem *fb_virt;
 	int gen2vm = efi_enabled(EFI_BOOT);
-	resource_size_t pot_start, pot_end;
 	phys_addr_t paddr;
 	int ret;
 
@@ -1043,23 +1042,7 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info)
 	dio_fb_size =
 		screen_width * screen_height * screen_depth / 8;
 
-	if (gen2vm) {
-		pot_start = 0;
-		pot_end = -1;
-	} else {
-		if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM) ||
-		    pci_resource_len(pdev, 0) < screen_fb_size) {
-			pr_err("Resource not available or (0x%lx < 0x%lx)\n",
-			       (unsigned long) pci_resource_len(pdev, 0),
-			       (unsigned long) screen_fb_size);
-			goto err1;
-		}
-
-		pot_end = pci_resource_end(pdev, 0);
-		pot_start = pot_end - screen_fb_size + 1;
-	}
-
-	ret = vmbus_allocate_mmio(&par->mem, hdev, pot_start, pot_end,
+	ret = vmbus_allocate_mmio(&par->mem, hdev, 0, -1,
 				  screen_fb_size, 0x100000, true);
 	if (ret != 0) {
 		pr_err("Unable to allocate framebuffer memory\n");
diff --git a/drivers/video/fbdev/omap/omapfb.h b/drivers/video/fbdev/omap/omapfb.h
index 313a051fe7a4..beb841ccb99c 100644
--- a/drivers/video/fbdev/omap/omapfb.h
+++ b/drivers/video/fbdev/omap/omapfb.h
@@ -231,5 +231,9 @@ extern int  omapfb_update_window_async(struct fb_info *fbi,
 				       struct omapfb_update_window *win,
 				       void (*callback)(void *),
 				       void *callback_data);
+extern int  hwa742_update_window_async(struct fb_info *fbi,
+				       struct omapfb_update_window *win,
+				       void (*callback)(void *),
+				       void *callback_data);
 
 #endif /* __OMAPFB_H */
diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-nec-nl8048hl11.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-nec-nl8048hl11.c
index be9910ff6e62..b407173e27b1 100644
--- a/drivers/video/fbdev/omap2/omapfb/displays/panel-nec-nl8048hl11.c
+++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-nec-nl8048hl11.c
@@ -117,16 +117,11 @@ static int nec_8048_connect(struct omap_dss_device *dssdev)
 {
 	struct panel_drv_data *ddata = to_panel_data(dssdev);
 	struct omap_dss_device *in = ddata->in;
-	int r;
 
 	if (omapdss_device_is_connected(dssdev))
 		return 0;
 
-	r = in->ops.dpi->connect(in, dssdev);
-	if (r)
-		return r;
-
-	return 0;
+	return in->ops.dpi->connect(in, dssdev);
 }
 
 static void nec_8048_disconnect(struct omap_dss_device *dssdev)
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_pll.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_pll.c
index c5f89129dcdd..531b36d2232b 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi_pll.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi_pll.c
@@ -173,7 +173,6 @@ static int dsi_init_pll_data(struct platform_device *pdev, struct hdmi_pll_data
 {
 	struct dss_pll *pll = &hpll->pll;
 	struct clk *clk;
-	int r;
 
 	clk = devm_clk_get(&pdev->dev, "sys_clk");
 	if (IS_ERR(clk)) {
@@ -203,12 +202,7 @@ static int dsi_init_pll_data(struct platform_device *pdev, struct hdmi_pll_data
 	}
 
 	pll->ops = &dsi_pll_ops;
-
-	r = dss_pll_register(pll);
-	if (r)
-		return r;
-
-	return 0;
+	return dss_pll_register(pll);
 }
 
 int hdmi_pll_init(struct platform_device *pdev, struct hdmi_pll_data *pll,
diff --git a/drivers/video/fbdev/pxa3xx-gcu.c b/drivers/video/fbdev/pxa3xx-gcu.c
index 350b3139c863..043cc8f9ef1c 100644
--- a/drivers/video/fbdev/pxa3xx-gcu.c
+++ b/drivers/video/fbdev/pxa3xx-gcu.c
@@ -646,6 +646,7 @@ static int pxa3xx_gcu_probe(struct platform_device *pdev)
 	for (i = 0; i < 8; i++) {
 		ret = pxa3xx_gcu_add_buffer(dev, priv);
 		if (ret) {
+			pxa3xx_gcu_free_buffers(dev, priv);
 			dev_err(dev, "failed to allocate DMA memory\n");
 			goto err_disable_clk;
 		}
@@ -662,15 +663,15 @@ static int pxa3xx_gcu_probe(struct platform_device *pdev)
 			SHARED_SIZE, irq);
 	return 0;
 
-err_free_dma:
-	dma_free_coherent(dev, SHARED_SIZE,
-			priv->shared, priv->shared_phys);
+err_disable_clk:
+	clk_disable_unprepare(priv->clk);
 
 err_misc_deregister:
 	misc_deregister(&priv->misc_dev);
 
-err_disable_clk:
-	clk_disable_unprepare(priv->clk);
+err_free_dma:
+	dma_free_coherent(dev, SHARED_SIZE,
+			  priv->shared, priv->shared_phys);
 
 	return ret;
 }
@@ -683,6 +684,7 @@ static int pxa3xx_gcu_remove(struct platform_device *pdev)
 	pxa3xx_gcu_wait_idle(priv);
 	misc_deregister(&priv->misc_dev);
 	dma_free_coherent(dev, SHARED_SIZE, priv->shared, priv->shared_phys);
+	clk_disable_unprepare(priv->clk);
 	pxa3xx_gcu_free_buffers(dev, priv);
 
 	return 0;
diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c
index e25e8de5ff67..929d4775cb4b 100644
--- a/drivers/video/fbdev/vesafb.c
+++ b/drivers/video/fbdev/vesafb.c
@@ -490,11 +490,12 @@ 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);
 
+	/* vesafb_destroy takes care of info cleanup */
+	unregister_framebuffer(info);
+
 	return 0;
 }
 
diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c
index 3bed357a9870..4d2694d904aa 100644
--- a/drivers/video/fbdev/xen-fbfront.c
+++ b/drivers/video/fbdev/xen-fbfront.c
@@ -223,7 +223,6 @@ static int xenfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 	red = CNVT_TOHW(red, info->var.red.length);
 	green = CNVT_TOHW(green, info->var.green.length);
 	blue = CNVT_TOHW(blue, info->var.blue.length);
-	transp = CNVT_TOHW(transp, info->var.transp.length);
 #undef CNVT_TOHW
 
 	v = (red << info->var.red.offset) |