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-rw-r--r--drivers/video/console/vgacon.c5
-rw-r--r--drivers/video/fbdev/amba-clcd.c17
-rw-r--r--drivers/video/fbdev/aty/atyfb.h3
-rw-r--r--drivers/video/fbdev/aty/atyfb_base.c9
-rw-r--r--drivers/video/fbdev/core/fb_defio.c35
-rw-r--r--drivers/video/fbdev/core/fbcmap.c8
-rw-r--r--drivers/video/fbdev/core/fbcon.c3
-rw-r--r--drivers/video/fbdev/core/fbmem.c4
-rw-r--r--drivers/video/fbdev/efifb.c3
-rw-r--r--drivers/video/fbdev/hyperv_fb.c5
-rw-r--r--drivers/video/fbdev/omap/hwa742.c42
-rw-r--r--drivers/video/fbdev/omap2/omapfb/dss/dsi.c2
-rw-r--r--drivers/video/fbdev/omap2/omapfb/omapfb.h2
-rw-r--r--drivers/video/fbdev/simplefb.c5
14 files changed, 50 insertions, 93 deletions
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 962c12be9774..39258f9d36a0 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -79,7 +79,6 @@ static struct uni_pagedir *vgacon_uni_pagedir;
static int vgacon_refcount;
/* Description of the hardware situation */
-static bool vga_init_done;
static unsigned long vga_vram_base __read_mostly; /* Base of video memory */
static unsigned long vga_vram_end __read_mostly; /* End of video memory */
static unsigned int vga_vram_size __read_mostly; /* Size of video memory */
@@ -96,7 +95,7 @@ static bool vga_is_gfx;
static bool vga_512_chars;
static int vga_video_font_height;
static int vga_scan_lines __read_mostly;
-static unsigned int vga_rolled_over;
+static unsigned int vga_rolled_over; /* last vc_origin offset before wrap */
static bool vgacon_text_mode_force;
static bool vga_hardscroll_enabled;
@@ -359,8 +358,6 @@ static const char *vgacon_startup(void)
vgacon_xres = screen_info.orig_video_cols * VGA_FONTWIDTH;
vgacon_yres = vga_scan_lines;
- vga_init_done = true;
-
return display_desc;
}
diff --git a/drivers/video/fbdev/amba-clcd.c b/drivers/video/fbdev/amba-clcd.c
index 33595cc4778e..9ec969e136bf 100644
--- a/drivers/video/fbdev/amba-clcd.c
+++ b/drivers/video/fbdev/amba-clcd.c
@@ -35,19 +35,6 @@
/* This is limited to 16 characters when displayed by X startup */
static const char *clcd_name = "CLCD FB";
-/*
- * Unfortunately, the enable/disable functions may be called either from
- * process or IRQ context, and we _need_ to delay. This is _not_ good.
- */
-static inline void clcdfb_sleep(unsigned int ms)
-{
- if (in_atomic()) {
- mdelay(ms);
- } else {
- msleep(ms);
- }
-}
-
static inline void clcdfb_set_start(struct clcd_fb *fb)
{
unsigned long ustart = fb->fb.fix.smem_start;
@@ -77,7 +64,7 @@ static void clcdfb_disable(struct clcd_fb *fb)
val &= ~CNTL_LCDPWR;
writel(val, fb->regs + fb->off_cntl);
- clcdfb_sleep(20);
+ msleep(20);
}
if (val & CNTL_LCDEN) {
val &= ~CNTL_LCDEN;
@@ -109,7 +96,7 @@ static void clcdfb_enable(struct clcd_fb *fb, u32 cntl)
cntl |= CNTL_LCDEN;
writel(cntl, fb->regs + fb->off_cntl);
- clcdfb_sleep(20);
+ msleep(20);
/*
* and now apply power.
diff --git a/drivers/video/fbdev/aty/atyfb.h b/drivers/video/fbdev/aty/atyfb.h
index 551372f9b9aa..465f55beb97f 100644
--- a/drivers/video/fbdev/aty/atyfb.h
+++ b/drivers/video/fbdev/aty/atyfb.h
@@ -287,11 +287,8 @@ static inline void aty_st_8(int regindex, u8 val, const struct atyfb_par *par)
#endif
}
-#if defined(CONFIG_PMAC_BACKLIGHT) || defined (CONFIG_FB_ATY_GENERIC_LCD) || \
-defined (CONFIG_FB_ATY_BACKLIGHT)
extern void aty_st_lcd(int index, u32 val, const struct atyfb_par *par);
extern u32 aty_ld_lcd(int index, const struct atyfb_par *par);
-#endif
/*
* DAC operations
diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c
index e946903a86c2..1aef3d6ebd88 100644
--- a/drivers/video/fbdev/aty/atyfb_base.c
+++ b/drivers/video/fbdev/aty/atyfb_base.c
@@ -133,7 +133,7 @@
#define PRINTKE(fmt, args...) printk(KERN_ERR "atyfb: " fmt, ## args)
#if defined(CONFIG_PMAC_BACKLIGHT) || defined(CONFIG_FB_ATY_GENERIC_LCD) || \
-defined(CONFIG_FB_ATY_BACKLIGHT)
+defined(CONFIG_FB_ATY_BACKLIGHT) || defined (CONFIG_PPC_PMAC)
static const u32 lt_lcd_regs[] = {
CNFG_PANEL_LG,
LCD_GEN_CNTL_LG,
@@ -175,8 +175,8 @@ u32 aty_ld_lcd(int index, const struct atyfb_par *par)
return aty_ld_le32(LCD_DATA, par);
}
}
-#else /* defined(CONFIG_PMAC_BACKLIGHT) || defined(CONFIG_FB_ATY_BACKLIGHT) \
- defined(CONFIG_FB_ATY_GENERIC_LCD) */
+#else /* defined(CONFIG_PMAC_BACKLIGHT) || defined(CONFIG_FB_ATY_BACKLIGHT) ||
+ defined(CONFIG_FB_ATY_GENERIC_LCD) || defined(CONFIG_PPC_PMAC) */
void aty_st_lcd(int index, u32 val, const struct atyfb_par *par)
{ }
@@ -184,7 +184,8 @@ u32 aty_ld_lcd(int index, const struct atyfb_par *par)
{
return 0;
}
-#endif /* defined(CONFIG_PMAC_BACKLIGHT) || defined (CONFIG_FB_ATY_GENERIC_LCD) */
+#endif /* defined(CONFIG_PMAC_BACKLIGHT) || defined(CONFIG_FB_ATY_BACKLIGHT) ||
+ defined (CONFIG_FB_ATY_GENERIC_LCD) || defined(CONFIG_PPC_PMAC) */
#ifdef CONFIG_FB_ATY_GENERIC_LCD
/*
diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c
index a591d291b231..b292887a2481 100644
--- a/drivers/video/fbdev/core/fb_defio.c
+++ b/drivers/video/fbdev/core/fb_defio.c
@@ -52,13 +52,6 @@ static vm_fault_t fb_deferred_io_fault(struct vm_fault *vmf)
return VM_FAULT_SIGBUS;
get_page(page);
-
- if (vmf->vma->vm_file)
- page->mapping = vmf->vma->vm_file->f_mapping;
- else
- printk(KERN_ERR "no mapping available\n");
-
- BUG_ON(!page->mapping);
page->index = vmf->pgoff;
vmf->page = page;
@@ -151,17 +144,6 @@ static const struct vm_operations_struct fb_deferred_io_vm_ops = {
.page_mkwrite = fb_deferred_io_mkwrite,
};
-static int fb_deferred_io_set_page_dirty(struct page *page)
-{
- if (!PageDirty(page))
- SetPageDirty(page);
- return 0;
-}
-
-static const struct address_space_operations fb_deferred_io_aops = {
- .set_page_dirty = fb_deferred_io_set_page_dirty,
-};
-
int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma)
{
vma->vm_ops = &fb_deferred_io_vm_ops;
@@ -212,29 +194,12 @@ void fb_deferred_io_init(struct fb_info *info)
}
EXPORT_SYMBOL_GPL(fb_deferred_io_init);
-void fb_deferred_io_open(struct fb_info *info,
- struct inode *inode,
- struct file *file)
-{
- file->f_mapping->a_ops = &fb_deferred_io_aops;
-}
-EXPORT_SYMBOL_GPL(fb_deferred_io_open);
-
void fb_deferred_io_cleanup(struct fb_info *info)
{
struct fb_deferred_io *fbdefio = info->fbdefio;
- struct page *page;
- int i;
BUG_ON(!fbdefio);
cancel_delayed_work_sync(&info->deferred_work);
-
- /* clear out the mapping that we setup */
- for (i = 0 ; i < info->fix.smem_len; i += PAGE_SIZE) {
- page = fb_deferred_io_page(info, i);
- page->mapping = NULL;
- }
-
mutex_destroy(&fbdefio->lock);
}
EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup);
diff --git a/drivers/video/fbdev/core/fbcmap.c b/drivers/video/fbdev/core/fbcmap.c
index 757d5c3f620b..ff09e57f3c38 100644
--- a/drivers/video/fbdev/core/fbcmap.c
+++ b/drivers/video/fbdev/core/fbcmap.c
@@ -101,17 +101,17 @@ int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags)
if (!len)
return 0;
- cmap->red = kmalloc(size, flags);
+ cmap->red = kzalloc(size, flags);
if (!cmap->red)
goto fail;
- cmap->green = kmalloc(size, flags);
+ cmap->green = kzalloc(size, flags);
if (!cmap->green)
goto fail;
- cmap->blue = kmalloc(size, flags);
+ cmap->blue = kzalloc(size, flags);
if (!cmap->blue)
goto fail;
if (transp) {
- cmap->transp = kmalloc(size, flags);
+ cmap->transp = kzalloc(size, flags);
if (!cmap->transp)
goto fail;
} else {
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 44a5cd2f54cc..3406067985b1 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -1333,6 +1333,9 @@ static void fbcon_cursor(struct vc_data *vc, int mode)
ops->cursor_flash = (mode == CM_ERASE) ? 0 : 1;
+ if (!ops->cursor)
+ return;
+
ops->cursor(vc, info, mode, get_color(vc, info, c, 1),
get_color(vc, info, c, 0));
}
diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 06f5805de2de..372b52a2befa 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -1415,10 +1415,6 @@ __releases(&info->lock)
if (res)
module_put(info->fbops->owner);
}
-#ifdef CONFIG_FB_DEFERRED_IO
- if (info->fbdefio)
- fb_deferred_io_open(info, inode, file);
-#endif
out:
unlock_fb_info(info);
if (res)
diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
index b80ba3d2a9b8..f58a545b3bf3 100644
--- a/drivers/video/fbdev/efifb.c
+++ b/drivers/video/fbdev/efifb.c
@@ -16,6 +16,7 @@
#include <linux/platform_device.h>
#include <linux/printk.h>
#include <linux/screen_info.h>
+#include <linux/pm_runtime.h>
#include <video/vga.h>
#include <asm/efi.h>
#include <drm/drm_utils.h> /* For drm_get_panel_orientation_quirk */
@@ -574,6 +575,7 @@ static int efifb_probe(struct platform_device *dev)
goto err_fb_dealoc;
}
fb_info(info, "%s frame buffer device\n", info->fix.id);
+ pm_runtime_get_sync(&efifb_pci_dev->dev);
return 0;
err_fb_dealoc:
@@ -600,6 +602,7 @@ static int efifb_remove(struct platform_device *pdev)
unregister_framebuffer(info);
sysfs_remove_groups(&pdev->dev.kobj, efifb_groups);
framebuffer_release(info);
+ pm_runtime_put(&efifb_pci_dev->dev);
return 0;
}
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
index c8b0ae676809..a7e6eea2c4a1 100644
--- a/drivers/video/fbdev/hyperv_fb.c
+++ b/drivers/video/fbdev/hyperv_fb.c
@@ -308,7 +308,7 @@ static inline int synthvid_send(struct hv_device *hdev,
VM_PKT_DATA_INBAND, 0);
if (ret)
- pr_err("Unable to send packet via vmbus\n");
+ pr_err_ratelimited("Unable to send packet via vmbus; error %d\n", ret);
return ret;
}
@@ -1031,7 +1031,6 @@ static int hvfb_getmem(struct hv_device *hdev, struct fb_info *info)
PCI_DEVICE_ID_HYPERV_VIDEO, NULL);
if (!pdev) {
pr_err("Unable to find PCI Hyper-V video\n");
- kfree(info->apertures);
return -ENODEV;
}
@@ -1129,7 +1128,6 @@ getmem_done:
} else {
pci_dev_put(pdev);
}
- kfree(info->apertures);
return 0;
@@ -1141,7 +1139,6 @@ err2:
err1:
if (!gen2vm)
pci_dev_put(pdev);
- kfree(info->apertures);
return -ENOMEM;
}
diff --git a/drivers/video/fbdev/omap/hwa742.c b/drivers/video/fbdev/omap/hwa742.c
index cfe63932f825..b191bef22d98 100644
--- a/drivers/video/fbdev/omap/hwa742.c
+++ b/drivers/video/fbdev/omap/hwa742.c
@@ -100,6 +100,14 @@ struct {
struct hwa742_request req_pool[REQ_POOL_SIZE];
struct list_head pending_req_list;
struct list_head free_req_list;
+
+ /*
+ * @req_lock: protect request slots pool and its tracking lists
+ * @req_sema: counter; slot allocators from task contexts must
+ * push it down before acquiring a slot. This
+ * guarantees that atomic contexts will always have
+ * a minimum of IRQ_REQ_POOL_SIZE slots available.
+ */
struct semaphore req_sema;
spinlock_t req_lock;
@@ -224,13 +232,13 @@ static void disable_tearsync(void)
hwa742_write_reg(HWA742_NDP_CTRL, b);
}
-static inline struct hwa742_request *alloc_req(void)
+static inline struct hwa742_request *alloc_req(bool can_sleep)
{
unsigned long flags;
struct hwa742_request *req;
int req_flags = 0;
- if (!in_interrupt())
+ if (can_sleep)
down(&hwa742.req_sema);
else
req_flags = REQ_FROM_IRQ_POOL;
@@ -399,8 +407,8 @@ static void send_frame_complete(void *data)
hwa742.int_ctrl->enable_plane(OMAPFB_PLANE_GFX, 0);
}
-#define ADD_PREQ(_x, _y, _w, _h) do { \
- req = alloc_req(); \
+#define ADD_PREQ(_x, _y, _w, _h, can_sleep) do {\
+ req = alloc_req(can_sleep); \
req->handler = send_frame_handler; \
req->complete = send_frame_complete; \
req->par.update.x = _x; \
@@ -413,7 +421,8 @@ static void send_frame_complete(void *data)
} while(0)
static void create_req_list(struct omapfb_update_window *win,
- struct list_head *req_head)
+ struct list_head *req_head,
+ bool can_sleep)
{
struct hwa742_request *req;
int x = win->x;
@@ -427,7 +436,7 @@ static void create_req_list(struct omapfb_update_window *win,
color_mode = win->format & OMAPFB_FORMAT_MASK;
if (x & 1) {
- ADD_PREQ(x, y, 1, height);
+ ADD_PREQ(x, y, 1, height, can_sleep);
width--;
x++;
flags &= ~OMAPFB_FORMAT_FLAG_TEARSYNC;
@@ -439,19 +448,19 @@ static void create_req_list(struct omapfb_update_window *win,
if (xspan * height * 2 > hwa742.max_transmit_size) {
yspan = hwa742.max_transmit_size / (xspan * 2);
- ADD_PREQ(x, ystart, xspan, yspan);
+ ADD_PREQ(x, ystart, xspan, yspan, can_sleep);
ystart += yspan;
yspan = height - yspan;
flags &= ~OMAPFB_FORMAT_FLAG_TEARSYNC;
}
- ADD_PREQ(x, ystart, xspan, yspan);
+ ADD_PREQ(x, ystart, xspan, yspan, can_sleep);
x += xspan;
width -= xspan;
flags &= ~OMAPFB_FORMAT_FLAG_TEARSYNC;
}
if (width)
- ADD_PREQ(x, y, 1, height);
+ ADD_PREQ(x, y, 1, height, can_sleep);
}
static void auto_update_complete(void *data)
@@ -461,12 +470,12 @@ static void auto_update_complete(void *data)
jiffies + HWA742_AUTO_UPDATE_TIME);
}
-static void hwa742_update_window_auto(struct timer_list *unused)
+static void __hwa742_update_window_auto(bool can_sleep)
{
LIST_HEAD(req_list);
struct hwa742_request *last;
- create_req_list(&hwa742.auto_update_window, &req_list);
+ create_req_list(&hwa742.auto_update_window, &req_list, can_sleep);
last = list_entry(req_list.prev, struct hwa742_request, entry);
last->complete = auto_update_complete;
@@ -475,6 +484,11 @@ static void hwa742_update_window_auto(struct timer_list *unused)
submit_req_list(&req_list);
}
+static void hwa742_update_window_auto(struct timer_list *unused)
+{
+ __hwa742_update_window_auto(false);
+}
+
int hwa742_update_window_async(struct fb_info *fbi,
struct omapfb_update_window *win,
void (*complete_callback)(void *arg),
@@ -497,7 +511,7 @@ int hwa742_update_window_async(struct fb_info *fbi,
goto out;
}
- create_req_list(win, &req_list);
+ create_req_list(win, &req_list, true);
last = list_entry(req_list.prev, struct hwa742_request, entry);
last->complete = complete_callback;
@@ -544,7 +558,7 @@ static void hwa742_sync(void)
struct hwa742_request *req;
struct completion comp;
- req = alloc_req();
+ req = alloc_req(true);
req->handler = sync_handler;
req->complete = NULL;
@@ -599,7 +613,7 @@ static int hwa742_set_update_mode(enum omapfb_update_mode mode)
omapfb_notify_clients(hwa742.fbdev, OMAPFB_EVENT_READY);
break;
case OMAPFB_AUTO_UPDATE:
- hwa742_update_window_auto(0);
+ __hwa742_update_window_auto(true);
break;
case OMAPFB_UPDATE_DISABLED:
break;
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dsi.c b/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
index daa313f14335..d43b081d592f 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
@@ -2376,8 +2376,6 @@ static int dsi_sync_vc(struct platform_device *dsidev, int channel)
WARN_ON(!dsi_bus_is_locked(dsidev));
- WARN_ON(in_interrupt());
-
if (!dsi_vc_is_enabled(dsidev, channel))
return 0;
diff --git a/drivers/video/fbdev/omap2/omapfb/omapfb.h b/drivers/video/fbdev/omap2/omapfb/omapfb.h
index d27abccb37bc..1c1b5201c8b6 100644
--- a/drivers/video/fbdev/omap2/omapfb/omapfb.h
+++ b/drivers/video/fbdev/omap2/omapfb/omapfb.h
@@ -29,7 +29,7 @@ extern bool omapfb_debug;
printk(KERN_DEBUG "OMAPFB: " format, ## __VA_ARGS__); \
} while (0)
#else
-#define DBG(format, ...)
+#define DBG(format, ...) no_printk(format, ## __VA_ARGS__)
#endif
#define FB2OFB(fb_info) ((struct omapfb_info *)(fb_info->par))
diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c
index 533a047d07a2..62f0ded70681 100644
--- a/drivers/video/fbdev/simplefb.c
+++ b/drivers/video/fbdev/simplefb.c
@@ -477,9 +477,8 @@ static int simplefb_probe(struct platform_device *pdev)
simplefb_clocks_enable(par, pdev);
simplefb_regulators_enable(par, pdev);
- dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%x bytes, mapped to 0x%p\n",
- info->fix.smem_start, info->fix.smem_len,
- info->screen_base);
+ dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%x bytes\n",
+ info->fix.smem_start, info->fix.smem_len);
dev_info(&pdev->dev, "format=%s, mode=%dx%dx%d, linelength=%d\n",
params.format->name,
info->var.xres, info->var.yres,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-05 16:18:28 +0100