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path: root/drivers/video/fbdev
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Diffstat (limited to 'drivers/video/fbdev')
-rw-r--r--drivers/video/fbdev/atafb.c6
-rw-r--r--drivers/video/fbdev/core/fbcon.c7
-rw-r--r--drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c5
-rw-r--r--drivers/video/fbdev/ssd1307fb.c4
-rw-r--r--drivers/video/fbdev/vfb.c11
5 files changed, 27 insertions, 6 deletions
diff --git a/drivers/video/fbdev/atafb.c b/drivers/video/fbdev/atafb.c
index 5bca34c45cef..c3011b61a94b 100644
--- a/drivers/video/fbdev/atafb.c
+++ b/drivers/video/fbdev/atafb.c
@@ -3360,7 +3360,11 @@ static int __init atafb_probe(struct platform_device *pdev)
memset (screen_base, 0, external_len);
/* framebuffer in SV RAM: enable the SuperBlitter */
- if (external_addr >= 0xa0000000) {
+ if (external_addr >= 0xa0000000 &&
+ ((external_pmode == FB_TYPE_PACKED_PIXELS &&
+ external_depth == 8) ||
+ (external_pmode == -1 &&
+ (external_depth == 16 || external_depth == 32)))) {
svblit_regs = ioremap(SVBLIT_REGS_PHYS, 0x100);
if (svblit_regs) {
svblit_fw = svblit_rd(SVBLIT_VERSION) & 0x1ff;
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 23b3c536d53d..01715873ea49 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -660,6 +660,13 @@ static void fbcon_prepare_logo(struct vc_data *vc, struct fb_info *info,
erase &= ~0x400;
logo_height = fb_prepare_logo(info, par->rotate);
logo_lines = DIV_ROUND_UP(logo_height, vc->vc_font.height);
+ logo_lines = min(logo_lines, rows);
+ logo_lines = min(logo_lines, new_rows - 1);
+ if (logo_lines <= 0) {
+ logo_lines = 0;
+ logo_shown = FBCON_LOGO_DONTSHOW;
+ return;
+ }
q = (unsigned short *) (vc->vc_origin +
vc->vc_size_row * rows);
step = logo_lines * cols;
diff --git a/drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c b/drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c
index 8f430d9e8054..0202ca8cbfc2 100644
--- a/drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c
+++ b/drivers/video/fbdev/omap2/omapfb/displays/panel-sony-acx565akm.c
@@ -210,12 +210,13 @@ static void set_display_state(struct panel_drv_data *ddata, int enabled)
static int panel_enabled(struct panel_drv_data *ddata)
{
+ __be32 disp_status_be;
u32 disp_status;
int enabled;
acx565akm_read(ddata, MIPID_CMD_READ_DISP_STATUS,
- (u8 *)&disp_status, 4);
- disp_status = __be32_to_cpu(disp_status);
+ (u8 *)&disp_status_be, 4);
+ disp_status = __be32_to_cpu(disp_status_be);
enabled = (disp_status & (1 << 17)) && (disp_status & (1 << 10));
dev_dbg(&ddata->spi->dev,
"LCD panel %senabled by bootloader (status 0x%04x)\n",
diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index c4fdecafd856..4d185c754284 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -665,6 +665,10 @@ static int ssd1307fb_probe(struct i2c_client *client)
spin_lock_init(&par->damage_lock);
par->device_info = device_get_match_data(dev);
+ if (!par->device_info) {
+ ret = -ENODEV;
+ goto fb_alloc_error;
+ }
par->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(par->reset)) {
diff --git a/drivers/video/fbdev/vfb.c b/drivers/video/fbdev/vfb.c
index 5b7965f36c5e..de137b2bdaed 100644
--- a/drivers/video/fbdev/vfb.c
+++ b/drivers/video/fbdev/vfb.c
@@ -78,6 +78,13 @@ static int vfb_pan_display(struct fb_var_screeninfo *var,
static int vfb_mmap(struct fb_info *info,
struct vm_area_struct *vma);
+static void vfb_destroy(struct fb_info *info)
+{
+ vfree(info->screen_buffer);
+ fb_dealloc_cmap(&info->cmap);
+ framebuffer_release(info);
+}
+
static const struct fb_ops vfb_ops = {
.owner = THIS_MODULE,
__FB_DEFAULT_SYSMEM_OPS_RDWR,
@@ -87,6 +94,7 @@ static const struct fb_ops vfb_ops = {
.fb_pan_display = vfb_pan_display,
__FB_DEFAULT_SYSMEM_OPS_DRAW,
.fb_mmap = vfb_mmap,
+ .fb_destroy = vfb_destroy,
};
/*
@@ -485,9 +493,6 @@ static void vfb_remove(struct platform_device *dev)
if (info) {
unregister_framebuffer(info);
- vfree(videomemory);
- fb_dealloc_cmap(&info->cmap);
- framebuffer_release(info);
}
}