diff mbox series

[17/18] fbdev/vga16fb: Do not use struct fb_info.apertures

Message ID 20221219160516.23436-18-tzimmermann@suse.de (mailing list archive)
State Awaiting Upstream
Headers show
Series drm,fbdev: Remove apertures structure and FBINFO_MISC_FIRMWARE | expand

Commit Message

Thomas Zimmermann Dec. 19, 2022, 4:05 p.m. UTC 
Acquire ownership of the firmware scanout buffer by calling Linux'
aperture helpers. Remove the use of struct fb_info.apertures and do
not set FBINFO_MISC_FIRMWARE; both of which previously configured
buffer ownership.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/video/fbdev/vga16fb.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

Comments

Javier Martinez Canillas Dec. 20, 2022, 9:44 a.m. UTC | #1 
On 12/19/22 17:05, Thomas Zimmermann wrote:
> Acquire ownership of the firmware scanout buffer by calling Linux'
> aperture helpers. Remove the use of struct fb_info.apertures and do
> not set FBINFO_MISC_FIRMWARE; both of which previously configured
> buffer ownership.
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---

Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
diff mbox series

Patch

diff --git a/drivers/video/fbdev/vga16fb.c b/drivers/video/fbdev/vga16fb.c
index af47f8217095..1a8ffdb2be26 100644
--- a/drivers/video/fbdev/vga16fb.c
+++ b/drivers/video/fbdev/vga16fb.c
@@ -10,6 +10,7 @@ 
  * archive for more details.
  */
 
+#include <linux/aperture.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
@@ -1324,11 +1325,6 @@  static int vga16fb_probe(struct platform_device *dev)
 		ret = -ENOMEM;
 		goto err_fb_alloc;
 	}
-	info->apertures = alloc_apertures(1);
-	if (!info->apertures) {
-		ret = -ENOMEM;
-		goto err_ioremap;
-	}
 
 	/* XXX share VGA_FB_PHYS_BASE and I/O region with vgacon and others */
 	info->screen_base = (void __iomem *)VGA_MAP_MEM(VGA_FB_PHYS_BASE, 0);
@@ -1363,8 +1359,7 @@  static int vga16fb_probe(struct platform_device *dev)
 	info->fix = vga16fb_fix;
 	/* supports rectangles with widths of multiples of 8 */
 	info->pixmap.blit_x = 1 << 7 | 1 << 15 | 1 << 23 | 1 << 31;
-	info->flags = FBINFO_FLAG_DEFAULT | FBINFO_MISC_FIRMWARE |
-		FBINFO_HWACCEL_YPAN;
+	info->flags = FBINFO_FLAG_DEFAULT | FBINFO_HWACCEL_YPAN;
 
 	i = (info->var.bits_per_pixel == 8) ? 256 : 16;
 	ret = fb_alloc_cmap(&info->cmap, i, 0);
@@ -1382,9 +1377,9 @@  static int vga16fb_probe(struct platform_device *dev)
 
 	vga16fb_update_fix(info);
 
-	info->apertures->ranges[0].base = VGA_FB_PHYS_BASE;
-	info->apertures->ranges[0].size = VGA_FB_PHYS_SIZE;
-
+	ret = devm_aperture_acquire_for_platform_device(dev, VGA_FB_PHYS_BASE, VGA_FB_PHYS_SIZE);
+	if (ret)
+		goto err_check_var;
 	if (register_framebuffer(info) < 0) {
 		printk(KERN_ERR "vga16fb: unable to register framebuffer\n");
 		ret = -EINVAL;