diff options
Diffstat (limited to 'drivers/video/fbdev/udlfb.c')
| -rw-r--r-- | drivers/video/fbdev/udlfb.c | 99 |
1 files changed, 28 insertions, 71 deletions
diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c index a4a21b4ac28c..ccede85df1e1 100644 --- a/drivers/video/fbdev/udlfb.c +++ b/drivers/video/fbdev/udlfb.c @@ -23,7 +23,7 @@ #include <linux/vmalloc.h> #include <linux/slab.h> #include <linux/delay.h> -#include <asm/unaligned.h> +#include <linux/unaligned.h> #include <video/udlfb.h> #include "edid.h" @@ -39,7 +39,7 @@ static const struct fb_fix_screeninfo dlfb_fix = { .accel = FB_ACCEL_NONE, }; -static const u32 udlfb_info_flags = FBINFO_DEFAULT | FBINFO_READS_FAST | +static const u32 udlfb_info_flags = FBINFO_READS_FAST | FBINFO_VIRTFB | FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_COPYAREA | FBINFO_MISC_ALWAYS_SETPAR; @@ -331,6 +331,8 @@ static int dlfb_ops_mmap(struct fb_info *info, struct vm_area_struct *vma) if (info->fbdefio) return fb_deferred_io_mmap(info, vma); + vma->vm_page_prot = pgprot_decrypted(vma->vm_page_prot); + if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) return -EINVAL; if (size > info->fix.smem_len) @@ -716,68 +718,6 @@ static void dlfb_offload_damage(struct dlfb_data *dlfb, int x, int y, int width, } /* - * Path triggered by usermode clients who write to filesystem - * e.g. cat filename > /dev/fb1 - * Not used by X Windows or text-mode console. But useful for testing. - * Slow because of extra copy and we must assume all pixels dirty. - */ -static ssize_t dlfb_ops_write(struct fb_info *info, const char __user *buf, - size_t count, loff_t *ppos) -{ - ssize_t result; - struct dlfb_data *dlfb = info->par; - u32 offset = (u32) *ppos; - - result = fb_sys_write(info, buf, count, ppos); - - if (result > 0) { - int start = max((int)(offset / info->fix.line_length), 0); - int lines = min((u32)((result / info->fix.line_length) + 1), - (u32)info->var.yres); - - dlfb_handle_damage(dlfb, 0, start, info->var.xres, - lines); - } - - return result; -} - -/* hardware has native COPY command (see libdlo), but not worth it for fbcon */ -static void dlfb_ops_copyarea(struct fb_info *info, - const struct fb_copyarea *area) -{ - - struct dlfb_data *dlfb = info->par; - - sys_copyarea(info, area); - - dlfb_offload_damage(dlfb, area->dx, area->dy, - area->width, area->height); -} - -static void dlfb_ops_imageblit(struct fb_info *info, - const struct fb_image *image) -{ - struct dlfb_data *dlfb = info->par; - - sys_imageblit(info, image); - - dlfb_offload_damage(dlfb, image->dx, image->dy, - image->width, image->height); -} - -static void dlfb_ops_fillrect(struct fb_info *info, - const struct fb_fillrect *rect) -{ - struct dlfb_data *dlfb = info->par; - - sys_fillrect(info, rect); - - dlfb_offload_damage(dlfb, rect->dx, rect->dy, rect->width, - rect->height); -} - -/* * NOTE: fb_defio.c is holding info->fbdefio.mutex * Touching ANY framebuffer memory that triggers a page fault * in fb_defio will cause a deadlock, when it also tries to @@ -1186,14 +1126,31 @@ static int dlfb_ops_blank(int blank_mode, struct fb_info *info) return 0; } +static void dlfb_ops_damage_range(struct fb_info *info, off_t off, size_t len) +{ + struct dlfb_data *dlfb = info->par; + int start = max((int)(off / info->fix.line_length), 0); + int lines = min((u32)((len / info->fix.line_length) + 1), (u32)info->var.yres); + + dlfb_handle_damage(dlfb, 0, start, info->var.xres, lines); +} + +static void dlfb_ops_damage_area(struct fb_info *info, u32 x, u32 y, u32 width, u32 height) +{ + struct dlfb_data *dlfb = info->par; + + dlfb_offload_damage(dlfb, x, y, width, height); +} + +FB_GEN_DEFAULT_DEFERRED_SYSMEM_OPS(dlfb_ops, + dlfb_ops_damage_range, + dlfb_ops_damage_area) + static const struct fb_ops dlfb_ops = { .owner = THIS_MODULE, - .fb_read = fb_sys_read, - .fb_write = dlfb_ops_write, + __FB_DEFAULT_DEFERRED_OPS_RDWR(dlfb_ops), .fb_setcolreg = dlfb_ops_setcolreg, - .fb_fillrect = dlfb_ops_fillrect, - .fb_copyarea = dlfb_ops_copyarea, - .fb_imageblit = dlfb_ops_imageblit, + __FB_DEFAULT_DEFERRED_OPS_DRAW(dlfb_ops), .fb_mmap = dlfb_ops_mmap, .fb_ioctl = dlfb_ops_ioctl, .fb_open = dlfb_ops_open, @@ -1459,7 +1416,7 @@ static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev, static ssize_t edid_show( struct file *filp, - struct kobject *kobj, struct bin_attribute *a, + struct kobject *kobj, const struct bin_attribute *a, char *buf, loff_t off, size_t count) { struct device *fbdev = kobj_to_dev(kobj); struct fb_info *fb_info = dev_get_drvdata(fbdev); @@ -1481,7 +1438,7 @@ static ssize_t edid_show( static ssize_t edid_store( struct file *filp, - struct kobject *kobj, struct bin_attribute *a, + struct kobject *kobj, const struct bin_attribute *a, char *src, loff_t src_off, size_t src_size) { struct device *fbdev = kobj_to_dev(kobj); struct fb_info *fb_info = dev_get_drvdata(fbdev); |