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path: root/drivers/video/fbdev/omap2/omapfb/omapfb-main.c
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Diffstat (limited to 'drivers/video/fbdev/omap2/omapfb/omapfb-main.c')
-rw-r--r--drivers/video/fbdev/omap2/omapfb/omapfb-main.c45
1 files changed, 12 insertions, 33 deletions
diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb-main.c b/drivers/video/fbdev/omap2/omapfb/omapfb-main.c
index 1d7c012f09db..211f23648686 100644
--- a/drivers/video/fbdev/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/fbdev/omap2/omapfb/omapfb-main.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* linux/drivers/video/omap2/omapfb-main.c
*
@@ -6,18 +7,6 @@
*
* Some code and ideas taken from drivers/video/omap/ driver
* by Imre Deak.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/module.h>
@@ -287,7 +276,7 @@ static bool cmp_var_to_colormode(struct fb_var_screeninfo *var,
var->red.length == 0 ||
var->blue.length == 0 ||
var->green.length == 0)
- return 0;
+ return false;
return var->bits_per_pixel == color->bits_per_pixel &&
cmp_component(&var->red, &color->red) &&
@@ -893,6 +882,7 @@ int omapfb_setup_overlay(struct fb_info *fbi, struct omap_overlay *ovl,
/ (var->bits_per_pixel >> 2);
break;
}
+ fallthrough;
default:
screen_width = fix->line_length / (var->bits_per_pixel >> 3);
break;
@@ -1105,6 +1095,8 @@ static int omapfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
u32 len;
int r;
+ vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot);
+
rg = omapfb_get_mem_region(ofbi->region);
start = omapfb_get_region_paddr(ofbi);
@@ -1164,16 +1156,12 @@ static int _setcolreg(struct fb_info *fbi, u_int regno, u_int red, u_int green,
r = fbdev->ctrl->setcolreg(regno, red, green, blue,
transp, update_hw_pal);
*/
- /* Fallthrough */
r = -EINVAL;
break;
case OMAPFB_COLOR_RGB565:
case OMAPFB_COLOR_RGB444:
case OMAPFB_COLOR_RGB24P:
case OMAPFB_COLOR_RGB24U:
- if (r != 0)
- break;
-
if (regno < 16) {
u32 pal;
pal = ((red >> (16 - var->red.length)) <<
@@ -1290,14 +1278,13 @@ ssize_t omapfb_write(struct fb_info *info, const char __user *buf,
}
#endif
-static struct fb_ops omapfb_ops = {
+static const struct fb_ops omapfb_ops = {
.owner = THIS_MODULE,
.fb_open = omapfb_open,
.fb_release = omapfb_release,
- .fb_fillrect = cfb_fillrect,
- .fb_copyarea = cfb_copyarea,
- .fb_imageblit = cfb_imageblit,
+ __FB_DEFAULT_IOMEM_OPS_RDWR,
.fb_blank = omapfb_blank,
+ __FB_DEFAULT_IOMEM_OPS_DRAW,
.fb_ioctl = omapfb_ioctl,
.fb_check_var = omapfb_check_var,
.fb_set_par = omapfb_set_par,
@@ -1345,7 +1332,7 @@ static void clear_fb_info(struct fb_info *fbi)
{
memset(&fbi->var, 0, sizeof(fbi->var));
memset(&fbi->fix, 0, sizeof(fbi->fix));
- strlcpy(fbi->fix.id, MODULE_NAME, sizeof(fbi->fix.id));
+ strscpy(fbi->fix.id, MODULE_NAME, sizeof(fbi->fix.id));
}
static int omapfb_free_all_fbmem(struct omapfb2_device *fbdev)
@@ -1477,7 +1464,7 @@ static int omapfb_alloc_fbmem_display(struct fb_info *fbi, unsigned long size,
static int omapfb_parse_vram_param(const char *param, int max_entries,
unsigned long *sizes, unsigned long *paddrs)
{
- int fbnum;
+ unsigned int fbnum;
unsigned long size;
unsigned long paddr = 0;
char *p, *start;
@@ -1746,7 +1733,6 @@ static int omapfb_fb_init(struct omapfb2_device *fbdev, struct fb_info *fbi)
int r = 0;
fbi->fbops = &omapfb_ops;
- fbi->flags = FBINFO_FLAG_DEFAULT;
fbi->pseudo_palette = fbdev->pseudo_palette;
if (ofbi->region->size == 0) {
@@ -1868,7 +1854,6 @@ static void omapfb_free_resources(struct omapfb2_device *fbdev)
}
if (fbdev->auto_update_wq != NULL) {
- flush_workqueue(fbdev->auto_update_wq);
destroy_workqueue(fbdev->auto_update_wq);
fbdev->auto_update_wq = NULL;
}
@@ -1891,12 +1876,8 @@ static int omapfb_create_framebuffers(struct omapfb2_device *fbdev)
fbi = framebuffer_alloc(sizeof(struct omapfb_info),
fbdev->dev);
-
- if (fbi == NULL) {
- dev_err(fbdev->dev,
- "unable to allocate memory for plane info\n");
+ if (!fbi)
return -ENOMEM;
- }
clear_fb_info(fbi);
@@ -2618,7 +2599,7 @@ err0:
return r;
}
-static int omapfb_remove(struct platform_device *pdev)
+static void omapfb_remove(struct platform_device *pdev)
{
struct omapfb2_device *fbdev = platform_get_drvdata(pdev);
@@ -2629,8 +2610,6 @@ static int omapfb_remove(struct platform_device *pdev)
omapfb_free_resources(fbdev);
omapdss_compat_uninit();
-
- return 0;
}
static struct platform_driver omapfb_driver = {