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authorSascha Hauer <sascha@saschahauer.de>2005-07-17 20:15:36 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-07-17 20:15:36 +0100
commit772a9e631ccad0423ed6d08acb3a4b1084ae2613 (patch)
treecf4243b9f4ed2e8a8661f08588f2a1df6370896b /drivers/video/imxfb.c
parent246b49768bc96d942ab0e2a17aab6fc3d2e011da (diff)
[PATCH] ARM: 2687/1: i.MX framebuffer: make dmacr register platform configurable
Patch from Sascha Hauer The dmacr needs different settings on some boards. This patch makes the register configurable by the platform part. Also we have imxfb_disable_controller(), so lets use it. Signed-off-by: Steven Scholz Signed-off-by: Sascha Hauer Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/video/imxfb.c')
-rw-r--r--drivers/video/imxfb.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
index 8fe1c12a17bd..cabd53cec991 100644
--- a/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c
@@ -249,9 +249,6 @@ static void imxfb_enable_controller(struct imxfb_info *fbi)
/* disable hardware cursor */
LCDC_CPOS &= ~(CPOS_CC0 | CPOS_CC1);
- /* fixed burst length (see erratum 11) */
- LCDC_DMACR = DMACR_BURST | DMACR_HM(8) | DMACR_TM(2);
-
LCDC_RMCR = RMCR_LCDC_EN;
if(fbi->backlight_power)
@@ -359,6 +356,7 @@ static int imxfb_activate_var(struct fb_var_screeninfo *var, struct fb_info *inf
LCDC_PCR = fbi->pcr;
LCDC_PWMR = fbi->pwmr;
LCDC_LSCR1 = fbi->lscr1;
+ LCDC_DMACR = fbi->dmacr;
return 0;
}
@@ -509,6 +507,7 @@ static int __init imxfb_init_fbinfo(struct device *dev)
fbi->cmap_inverse = inf->cmap_inverse;
fbi->pcr = inf->pcr;
fbi->lscr1 = inf->lscr1;
+ fbi->dmacr = inf->dmacr;
fbi->pwmr = inf->pwmr;
fbi->lcd_power = inf->lcd_power;
fbi->backlight_power = inf->backlight_power;
@@ -642,12 +641,12 @@ static int imxfb_remove(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct fb_info *info = dev_get_drvdata(dev);
+ struct imxfb_info *fbi = info->par;
struct resource *res;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- /* disable LCD controller */
- LCDC_RMCR &= ~RMCR_LCDC_EN;
+ imxfb_disable_controller(fbi);
unregister_framebuffer(info);
@@ -663,8 +662,9 @@ static int imxfb_remove(struct device *dev)
void imxfb_shutdown(struct device * dev)
{
- /* disable LCD Controller */
- LCDC_RMCR &= ~RMCR_LCDC_EN;
+ struct fb_info *info = dev_get_drvdata(dev);
+ struct imxfb_info *fbi = info->par;
+ imxfb_disable_controller(fbi);
}
static struct device_driver imxfb_driver = {