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-rw-r--r--drivers/video/Kconfig4
-rw-r--r--drivers/video/aty/radeon_base.c5
-rw-r--r--drivers/video/console/fbcon.c3
-rw-r--r--drivers/video/fbcmap.c96
-rw-r--r--drivers/video/fbmem.c7
-rw-r--r--drivers/video/fbmon.c2
-rw-r--r--drivers/video/fbsysfs.c90
-rw-r--r--drivers/video/modedb.c5
-rw-r--r--drivers/video/nvidia/nvidia.c7
-rw-r--r--drivers/video/pm2fb.c16
-rw-r--r--drivers/video/riva/fbdev.c2
-rw-r--r--drivers/video/sa1100fb.c2
-rw-r--r--drivers/video/tridentfb.c28
-rw-r--r--drivers/video/vesafb.c47
14 files changed, 207 insertions, 107 deletions
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 04d3120..cde0ed0 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -1399,8 +1399,8 @@ config FB_TX3912
Say Y here to enable kernel support for the on-board framebuffer.
config FB_G364
- bool
- depends on MIPS_MAGNUM_4000 || OLIVETTI_M700
+ bool "G364 frame buffer support"
+ depends on (FB = y) && (MIPS_MAGNUM_4000 || OLIVETTI_M700)
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
index 47a6b12..e7e8b52 100644
--- a/drivers/video/aty/radeon_base.c
+++ b/drivers/video/aty/radeon_base.c
@@ -2521,6 +2521,11 @@ static void __devexit radeonfb_pci_unregister (struct pci_dev *pdev)
radeonfb_pm_exit(rinfo);
+ if (rinfo->mon1_EDID)
+ sysfs_remove_bin_file(&rinfo->pdev->dev.kobj, &edid1_attr);
+ if (rinfo->mon2_EDID)
+ sysfs_remove_bin_file(&rinfo->pdev->dev.kobj, &edid2_attr);
+
#if 0
/* restore original state
*
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 9dd0fbc..35c88bd 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -275,7 +275,8 @@ static void fb_flashcursor(void *private)
if (!vc || !CON_IS_VISIBLE(vc) ||
fbcon_is_inactive(vc, info) ||
- registered_fb[con2fb_map[vc->vc_num]] != info)
+ registered_fb[con2fb_map[vc->vc_num]] != info ||
+ vc_cons[ops->currcon].d->vc_deccm != 1)
return;
acquire_console_sem();
p = &fb_display[vc->vc_num];
diff --git a/drivers/video/fbcmap.c b/drivers/video/fbcmap.c
index 4e5ce8f..c32a2a5 100644
--- a/drivers/video/fbcmap.c
+++ b/drivers/video/fbcmap.c
@@ -212,7 +212,7 @@ int fb_cmap_to_user(struct fb_cmap *from, struct fb_cmap_user *to)
int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *info)
{
- int i, start;
+ int i, start, rc = 0;
u16 *red, *green, *blue, *transp;
u_int hred, hgreen, hblue, htransp = 0xffff;
@@ -225,75 +225,51 @@ int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *info)
if (start < 0 || (!info->fbops->fb_setcolreg &&
!info->fbops->fb_setcmap))
return -EINVAL;
- if (info->fbops->fb_setcmap)
- return info->fbops->fb_setcmap(cmap, info);
- for (i = 0; i < cmap->len; i++) {
- hred = *red++;
- hgreen = *green++;
- hblue = *blue++;
- if (transp)
- htransp = *transp++;
- if (info->fbops->fb_setcolreg(start++,
- hred, hgreen, hblue, htransp,
- info))
- break;
+ if (info->fbops->fb_setcmap) {
+ rc = info->fbops->fb_setcmap(cmap, info);
+ } else {
+ for (i = 0; i < cmap->len; i++) {
+ hred = *red++;
+ hgreen = *green++;
+ hblue = *blue++;
+ if (transp)
+ htransp = *transp++;
+ if (info->fbops->fb_setcolreg(start++,
+ hred, hgreen, hblue,
+ htransp, info))
+ break;
+ }
}
- return 0;
+ if (rc == 0)
+ fb_copy_cmap(cmap, &info->cmap);
+
+ return rc;
}
int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *info)
{
- int i, start;
- u16 __user *red, *green, *blue, *transp;
- u_int hred, hgreen, hblue, htransp = 0xffff;
-
- red = cmap->red;
- green = cmap->green;
- blue = cmap->blue;
- transp = cmap->transp;
- start = cmap->start;
+ int rc, size = cmap->len * sizeof(u16);
+ struct fb_cmap umap;
- if (start < 0 || (!info->fbops->fb_setcolreg &&
- !info->fbops->fb_setcmap))
+ if (cmap->start < 0 || (!info->fbops->fb_setcolreg &&
+ !info->fbops->fb_setcmap))
return -EINVAL;
- /* If we can batch, do it */
- if (info->fbops->fb_setcmap && cmap->len > 1) {
- struct fb_cmap umap;
- int size = cmap->len * sizeof(u16);
- int rc;
-
- memset(&umap, 0, sizeof(struct fb_cmap));
- rc = fb_alloc_cmap(&umap, cmap->len, transp != NULL);
- if (rc)
- return rc;
- if (copy_from_user(umap.red, red, size) ||
- copy_from_user(umap.green, green, size) ||
- copy_from_user(umap.blue, blue, size) ||
- (transp && copy_from_user(umap.transp, transp, size))) {
- rc = -EFAULT;
- }
- umap.start = start;
- if (rc == 0)
- rc = info->fbops->fb_setcmap(&umap, info);
- fb_dealloc_cmap(&umap);
+ memset(&umap, 0, sizeof(struct fb_cmap));
+ rc = fb_alloc_cmap(&umap, cmap->len, cmap->transp != NULL);
+ if (rc)
return rc;
+ if (copy_from_user(umap.red, cmap->red, size) ||
+ copy_from_user(umap.green, cmap->green, size) ||
+ copy_from_user(umap.blue, cmap->blue, size) ||
+ (cmap->transp && copy_from_user(umap.transp, cmap->transp, size))) {
+ fb_dealloc_cmap(&umap);
+ return -EFAULT;
}
-
- for (i = 0; i < cmap->len; i++, red++, blue++, green++) {
- if (get_user(hred, red) ||
- get_user(hgreen, green) ||
- get_user(hblue, blue) ||
- (transp && get_user(htransp, transp)))
- return -EFAULT;
- if (info->fbops->fb_setcolreg(start++,
- hred, hgreen, hblue, htransp,
- info))
- return 0;
- if (transp)
- transp++;
- }
- return 0;
+ umap.start = cmap->start;
+ rc = fb_set_cmap(&umap, info);
+ fb_dealloc_cmap(&umap);
+ return rc;
}
/**
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 2222de6..d2e19f6 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -80,10 +80,12 @@ EXPORT_SYMBOL(fb_get_color_depth);
*/
void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height)
{
- int i;
+ int i, j;
for (i = height; i--; ) {
- memcpy(dst, src, s_pitch);
+ /* s_pitch is a few bytes at the most, memcpy is suboptimal */
+ for (j = 0; j < s_pitch; j++)
+ dst[j] = src[j];
src += s_pitch;
dst += d_pitch;
}
@@ -1164,6 +1166,7 @@ static void __exit
fbmem_exit(void)
{
class_destroy(fb_class);
+ unregister_chrdev(FB_MAJOR, "fb");
}
module_exit(fbmem_exit);
diff --git a/drivers/video/fbmon.c b/drivers/video/fbmon.c
index 6cd1976..c2718bb 100644
--- a/drivers/video/fbmon.c
+++ b/drivers/video/fbmon.c
@@ -1241,6 +1241,8 @@ int fb_validate_mode(const struct fb_var_screeninfo *var, struct fb_info *info)
vtotal *= 2;
hfreq = pixclock/htotal;
+ hfreq = (hfreq + 500) / 1000 * 1000;
+
vfreq = hfreq/vtotal;
return (vfreq < vfmin || vfreq > vfmax ||
diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c
index ddc9443..1147b89 100644
--- a/drivers/video/fbsysfs.c
+++ b/drivers/video/fbsysfs.c
@@ -242,10 +242,68 @@ static ssize_t show_virtual(struct class_device *class_device, char *buf)
fb_info->var.yres_virtual);
}
-static ssize_t store_cmap(struct class_device *class_device, const char * buf,
+/* Format for cmap is "%02x%c%4x%4x%4x\n" */
+/* %02x entry %c transp %4x red %4x blue %4x green \n */
+/* 256 rows at 16 chars equals 4096, the normal page size */
+/* the code will automatically adjust for different page sizes */
+static ssize_t store_cmap(struct class_device *class_device, const char *buf,
size_t count)
{
-// struct fb_info *fb_info = (struct fb_info *)class_get_devdata(class_device);
+ struct fb_info *fb_info = (struct fb_info *)class_get_devdata(class_device);
+ int rc, i, start, length, transp = 0;
+
+ if ((count > PAGE_SIZE) || ((count % 16) != 0))
+ return -EINVAL;
+
+ if (!fb_info->fbops->fb_setcolreg && !fb_info->fbops->fb_setcmap)
+ return -EINVAL;
+
+ sscanf(buf, "%02x", &start);
+ length = count / 16;
+
+ for (i = 0; i < length; i++)
+ if (buf[i * 16 + 2] != ' ')
+ transp = 1;
+
+ /* If we can batch, do it */
+ if (fb_info->fbops->fb_setcmap && length > 1) {
+ struct fb_cmap umap;
+
+ memset(&umap, 0, sizeof(umap));
+ if ((rc = fb_alloc_cmap(&umap, length, transp)))
+ return rc;
+
+ umap.start = start;
+ for (i = 0; i < length; i++) {
+ sscanf(&buf[i * 16 + 3], "%4hx", &umap.red[i]);
+ sscanf(&buf[i * 16 + 7], "%4hx", &umap.blue[i]);
+ sscanf(&buf[i * 16 + 11], "%4hx", &umap.green[i]);
+ if (transp)
+ umap.transp[i] = (buf[i * 16 + 2] != ' ');
+ }
+ rc = fb_info->fbops->fb_setcmap(&umap, fb_info);
+ fb_copy_cmap(&umap, &fb_info->cmap);
+ fb_dealloc_cmap(&umap);
+
+ return rc;
+ }
+ for (i = 0; i < length; i++) {
+ u16 red, blue, green, tsp;
+
+ sscanf(&buf[i * 16 + 3], "%4hx", &red);
+ sscanf(&buf[i * 16 + 7], "%4hx", &blue);
+ sscanf(&buf[i * 16 + 11], "%4hx", &green);
+ tsp = (buf[i * 16 + 2] != ' ');
+ if ((rc = fb_info->fbops->fb_setcolreg(start++,
+ red, green, blue, tsp, fb_info)))
+ return rc;
+
+ fb_info->cmap.red[i] = red;
+ fb_info->cmap.blue[i] = blue;
+ fb_info->cmap.green[i] = green;
+ if (transp)
+ fb_info->cmap.transp[i] = tsp;
+ }
return 0;
}
@@ -253,20 +311,24 @@ static ssize_t show_cmap(struct class_device *class_device, char *buf)
{
struct fb_info *fb_info =
(struct fb_info *)class_get_devdata(class_device);
- unsigned int offset = 0, i;
+ unsigned int i;
if (!fb_info->cmap.red || !fb_info->cmap.blue ||
- !fb_info->cmap.green || !fb_info->cmap.transp)
+ !fb_info->cmap.green)
+ return -EINVAL;
+
+ if (fb_info->cmap.len > PAGE_SIZE / 16)
return -EINVAL;
+ /* don't mess with the format, the buffer is PAGE_SIZE */
+ /* 256 entries at 16 chars per line equals 4096 = PAGE_SIZE */
for (i = 0; i < fb_info->cmap.len; i++) {
- offset += snprintf(buf, PAGE_SIZE - offset,
- "%d,%d,%d,%d,%d\n", i + fb_info->cmap.start,
- fb_info->cmap.red[i], fb_info->cmap.blue[i],
- fb_info->cmap.green[i],
- fb_info->cmap.transp[i]);
+ snprintf(&buf[ i * 16], PAGE_SIZE - i * 16, "%02x%c%4x%4x%4x\n", i + fb_info->cmap.start,
+ ((fb_info->cmap.transp && fb_info->cmap.transp[i]) ? '*' : ' '),
+ fb_info->cmap.red[i], fb_info->cmap.blue[i],
+ fb_info->cmap.green[i]);
}
- return offset;
+ return 16 * fb_info->cmap.len;
}
static ssize_t store_blank(struct class_device *class_device, const char * buf,
@@ -352,6 +414,13 @@ static ssize_t show_pan(struct class_device *class_device, char *buf)
fb_info->var.xoffset);
}
+static ssize_t show_name(struct class_device *class_device, char *buf)
+{
+ struct fb_info *fb_info = (struct fb_info *)class_get_devdata(class_device);
+
+ return snprintf(buf, PAGE_SIZE, "%s\n", fb_info->fix.id);
+}
+
static struct class_device_attribute class_device_attrs[] = {
__ATTR(bits_per_pixel, S_IRUGO|S_IWUSR, show_bpp, store_bpp),
__ATTR(blank, S_IRUGO|S_IWUSR, show_blank, store_blank),
@@ -362,6 +431,7 @@ static struct class_device_attribute class_device_attrs[] = {
__ATTR(modes, S_IRUGO|S_IWUSR, show_modes, store_modes),
__ATTR(pan, S_IRUGO|S_IWUSR, show_pan, store_pan),
__ATTR(virtual_size, S_IRUGO|S_IWUSR, show_virtual, store_virtual),
+ __ATTR(name, S_IRUGO, show_name, NULL),
};
int fb_init_class_device(struct fb_info *fb_info)
diff --git a/drivers/video/modedb.c b/drivers/video/modedb.c
index fbf659b..3edc9f4 100644
--- a/drivers/video/modedb.c
+++ b/drivers/video/modedb.c
@@ -246,6 +246,11 @@ static const struct fb_videomode modedb[] = {
/* 480x300 @ 72 Hz, 48.0 kHz hsync */
NULL, 72, 480, 300, 33386, 40, 24, 11, 19, 80, 3,
0, FB_VMODE_DOUBLE
+ }, {
+ /* 1920x1200 @ 60 Hz, 74.5 Khz hsync */
+ NULL, 60, 1920, 1200, 5177, 128, 336, 1, 38, 208, 3,
+ FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+ FB_VMODE_NONINTERLACED
},
};
diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
index b2e6b24..52b1685 100644
--- a/drivers/video/nvidia/nvidia.c
+++ b/drivers/video/nvidia/nvidia.c
@@ -1324,6 +1324,13 @@ static int __devinit nvidia_set_fbinfo(struct fb_info *info)
fb_videomode_to_var(&nvidiafb_default_var, &modedb);
nvidiafb_default_var.bits_per_pixel = 8;
+ } else if (par->fpWidth && par->fpHeight) {
+ char buf[16];
+
+ memset(buf, 0, 16);
+ snprintf(buf, 15, "%dx%d", par->fpWidth, par->fpHeight);
+ fb_find_mode(&nvidiafb_default_var, info, buf, specs->modedb,
+ specs->modedb_len, &modedb, 8);
}
if (mode_option)
diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c
index 5dcedde..42c17ef 100644
--- a/drivers/video/pm2fb.c
+++ b/drivers/video/pm2fb.c
@@ -138,27 +138,27 @@ static struct fb_var_screeninfo pm2fb_var __devinitdata = {
* Utility functions
*/
-inline static u32 RD32(unsigned char __iomem *base, s32 off)
+static inline u32 RD32(unsigned char __iomem *base, s32 off)
{
return fb_readl(base + off);
}
-inline static void WR32(unsigned char __iomem *base, s32 off, u32 v)
+static inline void WR32(unsigned char __iomem *base, s32 off, u32 v)
{
fb_writel(v, base + off);
}
-inline static u32 pm2_RD(struct pm2fb_par* p, s32 off)
+static inline u32 pm2_RD(struct pm2fb_par* p, s32 off)
{
return RD32(p->v_regs, off);
}
-inline static void pm2_WR(struct pm2fb_par* p, s32 off, u32 v)
+static inline void pm2_WR(struct pm2fb_par* p, s32 off, u32 v)
{
WR32(p->v_regs, off, v);
}
-inline static u32 pm2_RDAC_RD(struct pm2fb_par* p, s32 idx)
+static inline u32 pm2_RDAC_RD(struct pm2fb_par* p, s32 idx)
{
int index = PM2R_RD_INDEXED_DATA;
switch (p->type) {
@@ -174,7 +174,7 @@ inline static u32 pm2_RDAC_RD(struct pm2fb_par* p, s32 idx)
return pm2_RD(p, index);
}
-inline static void pm2_RDAC_WR(struct pm2fb_par* p, s32 idx, u32 v)
+static inline void pm2_RDAC_WR(struct pm2fb_par* p, s32 idx, u32 v)
{
int index = PM2R_RD_INDEXED_DATA;
switch (p->type) {
@@ -190,7 +190,7 @@ inline static void pm2_RDAC_WR(struct pm2fb_par* p, s32 idx, u32 v)
pm2_WR(p, index, v);
}
-inline static void pm2v_RDAC_WR(struct pm2fb_par* p, s32 idx, u32 v)
+static inline void pm2v_RDAC_WR(struct pm2fb_par* p, s32 idx, u32 v)
{
pm2_WR(p, PM2VR_RD_INDEX_LOW, idx & 0xff);
mb();
@@ -200,7 +200,7 @@ inline static void pm2v_RDAC_WR(struct pm2fb_par* p, s32 idx, u32 v)
#ifdef CONFIG_FB_PM2_FIFO_DISCONNECT
#define WAIT_FIFO(p,a)
#else
-inline static void WAIT_FIFO(struct pm2fb_par* p, u32 a)
+static inline void WAIT_FIFO(struct pm2fb_par* p, u32 a)
{
while( pm2_RD(p, PM2R_IN_FIFO_SPACE) < a );
mb();
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index 6a9e183..ae297e2 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -1826,7 +1826,7 @@ static void __devinit riva_get_EDID(struct fb_info *info, struct pci_dev *pdev)
#ifdef CONFIG_PPC_OF
if (!riva_get_EDID_OF(info, pdev))
printk(PFX "could not retrieve EDID from OF\n");
-#elif CONFIG_FB_RIVA_I2C
+#elif defined(CONFIG_FB_RIVA_I2C)
if (!riva_get_EDID_i2c(info))
printk(PFX "could not retrieve EDID from DDC/I2C\n");
#endif
diff --git a/drivers/video/sa1100fb.c b/drivers/video/sa1100fb.c
index 2d29db7..beeec7b 100644
--- a/drivers/video/sa1100fb.c
+++ b/drivers/video/sa1100fb.c
@@ -598,7 +598,7 @@ sa1100fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
* requests for the LCD controller. If we hit this, it means we're
* doing nothing but LCD DMA.
*/
-static unsigned int sa1100fb_display_dma_period(struct fb_var_screeninfo *var)
+static inline unsigned int sa1100fb_display_dma_period(struct fb_var_screeninfo *var)
{
/*
* Period = pixclock * bits_per_byte * bytes_per_transfer
diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c
index da8004e..698ca92 100644
--- a/drivers/video/tridentfb.c
+++ b/drivers/video/tridentfb.c
@@ -454,13 +454,16 @@ static struct accel_switch accel_image = {
static void tridentfb_fillrect(struct fb_info * info, const struct fb_fillrect *fr)
{
int bpp = info->var.bits_per_pixel;
- int col;
+ int col = 0;
switch (bpp) {
default:
- case 8: col = fr->color;
+ case 8: col |= fr->color;
+ col |= col << 8;
+ col |= col << 16;
break;
case 16: col = ((u32 *)(info->pseudo_palette))[fr->color];
+
break;
case 32: col = ((u32 *)(info->pseudo_palette))[fr->color];
break;
@@ -882,8 +885,9 @@ static int tridentfb_set_par(struct fb_info *info)
write3X4(GraphEngReg, 0x80); //enable GE for text acceleration
-// if (info->var.accel_flags & FB_ACCELF_TEXT)
-//FIXME acc->init_accel(info->var.xres,bpp);
+#ifdef CONFIG_FB_TRIDENT_ACCEL
+ acc->init_accel(info->var.xres,bpp);
+#endif
switch (bpp) {
case 8: tmp = 0x00; break;
@@ -900,7 +904,7 @@ static int tridentfb_set_par(struct fb_info *info)
write3X4(DRAMControl, tmp); //both IO,linear enable
write3X4(InterfaceSel, read3X4(InterfaceSel) | 0x40);
- write3X4(Performance,0x20);
+ write3X4(Performance,0x92);
write3X4(PCIReg,0x07); //MMIO & PCI read and write burst enable
/* convert from picoseconds to MHz */
@@ -981,12 +985,14 @@ static int tridentfb_setcolreg(unsigned regno, unsigned red, unsigned green,
t_outb(green>>10,0x3C9);
t_outb(blue>>10,0x3C9);
- } else
- if (bpp == 16) /* RGB 565 */
- ((u32*)info->pseudo_palette)[regno] = (red & 0xF800) |
- ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
- else
- if (bpp == 32) /* ARGB 8888 */
+ } else if (bpp == 16) { /* RGB 565 */
+ u32 col;
+
+ col = (red & 0xF800) | ((green & 0xFC00) >> 5) |
+ ((blue & 0xF800) >> 11);
+ col |= col << 16;
+ ((u32 *)(info->pseudo_palette))[regno] = col;
+ } else if (bpp == 32) /* ARGB 8888 */
((u32*)info->pseudo_palette)[regno] =
((transp & 0xFF00) <<16) |
((red & 0xFF00) << 8) |
diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c
index 9ed1a93..a272592 100644
--- a/drivers/video/vesafb.c
+++ b/drivers/video/vesafb.c
@@ -45,7 +45,7 @@ static struct fb_fix_screeninfo vesafb_fix __initdata = {
};
static int inverse = 0;
-static int mtrr = 1;
+static int mtrr = 3; /* default to write-combining */
static int vram_remap __initdata = 0; /* Set amount of memory to be used */
static int vram_total __initdata = 0; /* Set total amount of memory */
static int pmi_setpal = 0; /* pmi for palette changes ??? */
@@ -204,8 +204,8 @@ static int __init vesafb_setup(char *options)
pmi_setpal=0;
else if (! strcmp(this_opt, "pmipal"))
pmi_setpal=1;
- else if (! strcmp(this_opt, "mtrr"))
- mtrr=1;
+ else if (! strncmp(this_opt, "mtrr:", 5))
+ mtrr = simple_strtoul(this_opt+5, NULL, 0);
else if (! strcmp(this_opt, "nomtrr"))
mtrr=0;
else if (! strncmp(this_opt, "vtotal:", 7))
@@ -387,14 +387,39 @@ static int __init vesafb_probe(struct device *device)
if (mtrr) {
unsigned int temp_size = size_total;
- /* Find the largest power-of-two */
- while (temp_size & (temp_size - 1))
- temp_size &= (temp_size - 1);
-
- /* Try and find a power of two to add */
- while (temp_size > PAGE_SIZE &&
- mtrr_add(vesafb_fix.smem_start, temp_size, MTRR_TYPE_WRCOMB, 1)==-EINVAL) {
- temp_size >>= 1;
+ unsigned int type = 0;
+
+ switch (mtrr) {
+ case 1:
+ type = MTRR_TYPE_UNCACHABLE;
+ break;
+ case 2:
+ type = MTRR_TYPE_WRBACK;
+ break;
+ case 3:
+ type = MTRR_TYPE_WRCOMB;
+ break;
+ case 4:
+ type = MTRR_TYPE_WRTHROUGH;
+ break;
+ default:
+ type = 0;
+ break;
+ }
+
+ if (type) {
+ int rc;
+
+ /* Find the largest power-of-two */
+ while (temp_size & (temp_size - 1))
+ temp_size &= (temp_size - 1);
+
+ /* Try and find a power of two to add */
+ do {
+ rc = mtrr_add(vesafb_fix.smem_start, temp_size,
+ type, 1);
+ temp_size >>= 1;
+ } while (temp_size >= PAGE_SIZE && rc == -EINVAL);
}
}
generated by cgit v0.10.2 at 2024-11-05 20:59:59 (GMT)