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Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/backlight/backlight.c18
-rw-r--r--drivers/video/backlight/lcd.c32
-rw-r--r--drivers/video/i810/i810_main.c4
-rw-r--r--drivers/video/matrox/g450_pll.c23
-rw-r--r--drivers/video/matrox/matroxfb_DAC1064.h2
-rw-r--r--drivers/video/matrox/matroxfb_base.h2
6 files changed, 55 insertions, 26 deletions
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 334b1db1bd7c..27597c576eff 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -29,12 +29,15 @@ static ssize_t backlight_show_power(struct class_device *cdev, char *buf)
static ssize_t backlight_store_power(struct class_device *cdev, const char *buf, size_t count)
{
- int rc = -ENXIO, power;
+ int rc = -ENXIO;
char *endp;
struct backlight_device *bd = to_backlight_device(cdev);
+ int power = simple_strtoul(buf, &endp, 0);
+ size_t size = endp - buf;
- power = simple_strtoul(buf, &endp, 0);
- if (*endp && !isspace(*endp))
+ if (*endp && isspace(*endp))
+ size++;
+ if (size != count)
return -EINVAL;
down(&bd->sem);
@@ -65,12 +68,15 @@ static ssize_t backlight_show_brightness(struct class_device *cdev, char *buf)
static ssize_t backlight_store_brightness(struct class_device *cdev, const char *buf, size_t count)
{
- int rc = -ENXIO, brightness;
+ int rc = -ENXIO;
char *endp;
struct backlight_device *bd = to_backlight_device(cdev);
+ int brightness = simple_strtoul(buf, &endp, 0);
+ size_t size = endp - buf;
- brightness = simple_strtoul(buf, &endp, 0);
- if (*endp && !isspace(*endp))
+ if (*endp && isspace(*endp))
+ size++;
+ if (size != count)
return -EINVAL;
down(&bd->sem);
diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index 86908a60c630..bc8ab005a3fb 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -31,12 +31,15 @@ static ssize_t lcd_show_power(struct class_device *cdev, char *buf)
static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_t count)
{
- int rc, power;
+ int rc = -ENXIO;
char *endp;
struct lcd_device *ld = to_lcd_device(cdev);
+ int power = simple_strtoul(buf, &endp, 0);
+ size_t size = endp - buf;
- power = simple_strtoul(buf, &endp, 0);
- if (*endp && !isspace(*endp))
+ if (*endp && isspace(*endp))
+ size++;
+ if (size != count)
return -EINVAL;
down(&ld->sem);
@@ -44,8 +47,7 @@ static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_
pr_debug("lcd: set power to %d\n", power);
ld->props->set_power(ld, power);
rc = count;
- } else
- rc = -ENXIO;
+ }
up(&ld->sem);
return rc;
@@ -53,14 +55,12 @@ static ssize_t lcd_store_power(struct class_device *cdev, const char *buf, size_
static ssize_t lcd_show_contrast(struct class_device *cdev, char *buf)
{
- int rc;
+ int rc = -ENXIO;
struct lcd_device *ld = to_lcd_device(cdev);
down(&ld->sem);
if (likely(ld->props && ld->props->get_contrast))
rc = sprintf(buf, "%d\n", ld->props->get_contrast(ld));
- else
- rc = -ENXIO;
up(&ld->sem);
return rc;
@@ -68,12 +68,15 @@ static ssize_t lcd_show_contrast(struct class_device *cdev, char *buf)
static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, size_t count)
{
- int rc, contrast;
+ int rc = -ENXIO;
char *endp;
struct lcd_device *ld = to_lcd_device(cdev);
+ int contrast = simple_strtoul(buf, &endp, 0);
+ size_t size = endp - buf;
- contrast = simple_strtoul(buf, &endp, 0);
- if (*endp && !isspace(*endp))
+ if (*endp && isspace(*endp))
+ size++;
+ if (size != count)
return -EINVAL;
down(&ld->sem);
@@ -81,8 +84,7 @@ static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, si
pr_debug("lcd: set contrast to %d\n", contrast);
ld->props->set_contrast(ld, contrast);
rc = count;
- } else
- rc = -ENXIO;
+ }
up(&ld->sem);
return rc;
@@ -90,14 +92,12 @@ static ssize_t lcd_store_contrast(struct class_device *cdev, const char *buf, si
static ssize_t lcd_show_max_contrast(struct class_device *cdev, char *buf)
{
- int rc;
+ int rc = -ENXIO;
struct lcd_device *ld = to_lcd_device(cdev);
down(&ld->sem);
if (likely(ld->props))
rc = sprintf(buf, "%d\n", ld->props->max_contrast);
- else
- rc = -ENXIO;
up(&ld->sem);
return rc;
diff --git a/drivers/video/i810/i810_main.c b/drivers/video/i810/i810_main.c
index 788297e9d59e..44aa2ffff973 100644
--- a/drivers/video/i810/i810_main.c
+++ b/drivers/video/i810/i810_main.c
@@ -76,8 +76,8 @@
*
* Experiment with v_offset to find out which works best for you.
*/
-static u32 v_offset_default __initdata; /* For 32 MiB Aper size, 8 should be the default */
-static u32 voffset __initdata = 0;
+static u32 v_offset_default __devinitdata; /* For 32 MiB Aper size, 8 should be the default */
+static u32 voffset __devinitdata;
static int i810fb_cursor(struct fb_info *info, struct fb_cursor *cursor);
static int __devinit i810fb_init_pci (struct pci_dev *dev,
diff --git a/drivers/video/matrox/g450_pll.c b/drivers/video/matrox/g450_pll.c
index 8073a73f6f35..440272ad10e7 100644
--- a/drivers/video/matrox/g450_pll.c
+++ b/drivers/video/matrox/g450_pll.c
@@ -316,14 +316,24 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll,
case M_PIXEL_PLL_B:
case M_PIXEL_PLL_C:
{
- u_int8_t tmp;
+ u_int8_t tmp, xpwrctrl;
unsigned long flags;
matroxfb_DAC_lock_irqsave(flags);
+
+ xpwrctrl = matroxfb_DAC_in(PMINFO M1064_XPWRCTRL);
+ matroxfb_DAC_out(PMINFO M1064_XPWRCTRL, xpwrctrl & ~M1064_XPWRCTRL_PANELPDN);
+ mga_outb(M_SEQ_INDEX, M_SEQ1);
+ mga_outb(M_SEQ_DATA, mga_inb(M_SEQ_DATA) | M_SEQ1_SCROFF);
tmp = matroxfb_DAC_in(PMINFO M1064_XPIXCLKCTRL);
+ tmp |= M1064_XPIXCLKCTRL_DIS;
if (!(tmp & M1064_XPIXCLKCTRL_PLL_UP)) {
- matroxfb_DAC_out(PMINFO M1064_XPIXCLKCTRL, tmp | M1064_XPIXCLKCTRL_PLL_UP);
+ tmp |= M1064_XPIXCLKCTRL_PLL_UP;
}
+ matroxfb_DAC_out(PMINFO M1064_XPIXCLKCTRL, tmp);
+ matroxfb_DAC_out(PMINFO M1064_XDVICLKCTRL, 0);
+ matroxfb_DAC_out(PMINFO M1064_XPWRCTRL, xpwrctrl);
+
matroxfb_DAC_unlock_irqrestore(flags);
}
{
@@ -418,6 +428,15 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll,
frequency to higher - with <= lowest wins, while
with < highest one wins */
if (delta <= deltaarray[idx-1]) {
+ /* all else being equal except VCO,
+ * choose VCO not near (within 1/16th or so) VCOmin
+ * (freqs near VCOmin aren't as stable)
+ */
+ if (delta == deltaarray[idx-1]
+ && vco != g450_mnp2vco(PMINFO mnparray[idx-1])
+ && vco < (pi->vcomin * 17 / 16)) {
+ break;
+ }
mnparray[idx] = mnparray[idx-1];
deltaarray[idx] = deltaarray[idx-1];
} else {
diff --git a/drivers/video/matrox/matroxfb_DAC1064.h b/drivers/video/matrox/matroxfb_DAC1064.h
index 2e7238aa2432..56513a5d220b 100644
--- a/drivers/video/matrox/matroxfb_DAC1064.h
+++ b/drivers/video/matrox/matroxfb_DAC1064.h
@@ -40,6 +40,7 @@ void DAC1064_global_restore(WPMINFO2);
#define M1064_XCURCOL1RED 0x0C
#define M1064_XCURCOL1GREEN 0x0D
#define M1064_XCURCOL1BLUE 0x0E
+#define M1064_XDVICLKCTRL 0x0F
#define M1064_XCURCOL2RED 0x10
#define M1064_XCURCOL2GREEN 0x11
#define M1064_XCURCOL2BLUE 0x12
@@ -144,6 +145,7 @@ void DAC1064_global_restore(WPMINFO2);
#define M1064_XVIDPLLN 0x8F
#define M1064_XPWRCTRL 0xA0
+#define M1064_XPWRCTRL_PANELPDN 0x04
#define M1064_XPANMODE 0xA2
diff --git a/drivers/video/matrox/matroxfb_base.h b/drivers/video/matrox/matroxfb_base.h
index 3a3e1804c56a..b71737178d0d 100644
--- a/drivers/video/matrox/matroxfb_base.h
+++ b/drivers/video/matrox/matroxfb_base.h
@@ -672,6 +672,8 @@ void matroxfb_unregister_driver(struct matroxfb_driver* drv);
#define M_SEQ_INDEX 0x1FC4
#define M_SEQ_DATA 0x1FC5
+#define M_SEQ1 0x01
+#define M_SEQ1_SCROFF 0x20
#define M_MISC_REG_READ 0x1FCC
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-28 23:10:04 +0300