Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

Conflicts:

	arch/sparc64/kernel/pci_psycho.c

4 files changed, 78 insertions, 86 deletions

diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 9c5925927ec..75dac578104 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -208,6 +208,36 @@ static unsigned long compute_hozval(unsigned long xres, unsigned long lcdcon2)
 	return value;
 }
 
+static void atmel_lcdfb_stop_nowait(struct atmel_lcdfb_info *sinfo)
+{
+	/* Turn off the LCD controller and the DMA controller */
+	lcdc_writel(sinfo, ATMEL_LCDC_PWRCON,
+			sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET);
+
+	/* Wait for the LCDC core to become idle */
+	while (lcdc_readl(sinfo, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY)
+		msleep(10);
+
+	lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0);
+}
+
+static void atmel_lcdfb_stop(struct atmel_lcdfb_info *sinfo)
+{
+	atmel_lcdfb_stop_nowait(sinfo);
+
+	/* Wait for DMA engine to become idle... */
+	while (lcdc_readl(sinfo, ATMEL_LCDC_DMACON) & ATMEL_LCDC_DMABUSY)
+		msleep(10);
+}
+
+static void atmel_lcdfb_start(struct atmel_lcdfb_info *sinfo)
+{
+	lcdc_writel(sinfo, ATMEL_LCDC_DMACON, sinfo->default_dmacon);
+	lcdc_writel(sinfo, ATMEL_LCDC_PWRCON,
+		(sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET)
+		| ATMEL_LCDC_PWR);
+}
+
 static void atmel_lcdfb_update_dma(struct fb_info *info,
 			       struct fb_var_screeninfo *var)
 {
@@ -420,26 +450,8 @@ static void atmel_lcdfb_reset(struct atmel_lcdfb_info *sinfo)
 {
 	might_sleep();
 
-	/* LCD power off */
-	lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET);
-
-	/* wait for the LCDC core to become idle */
-	while (lcdc_readl(sinfo, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY)
-		msleep(10);
-
-	/* DMA disable */
-	lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0);
-
-	/* wait for DMA engine to become idle */
-	while (lcdc_readl(sinfo, ATMEL_LCDC_DMACON) & ATMEL_LCDC_DMABUSY)
-		msleep(10);
-
-	/* LCD power on */
-	lcdc_writel(sinfo, ATMEL_LCDC_PWRCON,
-		(sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR);
-
-	/* DMA enable */
-	lcdc_writel(sinfo, ATMEL_LCDC_DMACON, sinfo->default_dmacon);
+	atmel_lcdfb_stop(sinfo);
+	atmel_lcdfb_start(sinfo);
 }
 
 /**
@@ -471,14 +483,7 @@ static int atmel_lcdfb_set_par(struct fb_info *info)
 		 info->var.xres, info->var.yres,
 		 info->var.xres_virtual, info->var.yres_virtual);
 
-	/* Turn off the LCD controller and the DMA controller */
-	lcdc_writel(sinfo, ATMEL_LCDC_PWRCON, sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET);
-
-	/* Wait for the LCDC core to become idle */
-	while (lcdc_readl(sinfo, ATMEL_LCDC_PWRCON) & ATMEL_LCDC_BUSY)
-		msleep(10);
-
-	lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0);
+	atmel_lcdfb_stop_nowait(sinfo);
 
 	if (info->var.bits_per_pixel == 1)
 		info->fix.visual = FB_VISUAL_MONO01;
@@ -583,13 +588,7 @@ static int atmel_lcdfb_set_par(struct fb_info *info)
 	while (lcdc_readl(sinfo, ATMEL_LCDC_DMACON) & ATMEL_LCDC_DMABUSY)
 		msleep(10);
 
-	dev_dbg(info->device, "  * re-enable DMA engine\n");
-	/* ...and enable it with updated configuration */
-	lcdc_writel(sinfo, ATMEL_LCDC_DMACON, sinfo->default_dmacon);
-
-	dev_dbg(info->device, "  * re-enable LCDC core\n");
-	lcdc_writel(sinfo, ATMEL_LCDC_PWRCON,
-		(sinfo->guard_time << ATMEL_LCDC_GUARDT_OFFSET) | ATMEL_LCDC_PWR);
+	atmel_lcdfb_start(sinfo);
 
 	dev_dbg(info->device, "  * DONE\n");
 
@@ -939,7 +938,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
 	ret = register_framebuffer(info);
 	if (ret < 0) {
 		dev_err(dev, "failed to register framebuffer device: %d\n", ret);
-		goto free_cmap;
+		goto reset_drvdata;
 	}
 
 	/* add selected videomode to modelist */
@@ -955,7 +954,8 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
 
 	return 0;
 
-
+reset_drvdata:
+	dev_set_drvdata(dev, NULL);
 free_cmap:
 	fb_dealloc_cmap(&info->cmap);
 unregister_irqs:
@@ -992,10 +992,11 @@ static int __exit atmel_lcdfb_remove(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct fb_info *info = dev_get_drvdata(dev);
-	struct atmel_lcdfb_info *sinfo = info->par;
+	struct atmel_lcdfb_info *sinfo;
 
-	if (!sinfo)
+	if (!info || !info->par)
 		return 0;
+	sinfo = info->par;
 
 	cancel_work_sync(&sinfo->task);
 	exit_backlight(sinfo);
@@ -1030,11 +1031,20 @@ static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg)
 	struct fb_info *info = platform_get_drvdata(pdev);
 	struct atmel_lcdfb_info *sinfo = info->par;
 
+	/*
+	 * We don't want to handle interrupts while the clock is
+	 * stopped. It may take forever.
+	 */
+	lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0UL);
+
 	sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_VAL);
 	lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, 0);
 	if (sinfo->atmel_lcdfb_power_control)
 		sinfo->atmel_lcdfb_power_control(0);
+
+	atmel_lcdfb_stop(sinfo);
 	atmel_lcdfb_stop_clock(sinfo);
+
 	return 0;
 }
 
@@ -1044,9 +1054,15 @@ static int atmel_lcdfb_resume(struct platform_device *pdev)
 	struct atmel_lcdfb_info *sinfo = info->par;
 
 	atmel_lcdfb_start_clock(sinfo);
+	atmel_lcdfb_start(sinfo);
 	if (sinfo->atmel_lcdfb_power_control)
 		sinfo->atmel_lcdfb_power_control(1);
 	lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, sinfo->saved_lcdcon);
+
+	/* Enable FIFO & DMA errors */
+	lcdc_writel(sinfo, ATMEL_LCDC_IER, ATMEL_LCDC_UFLWI
+			| ATMEL_LCDC_OWRI | ATMEL_LCDC_MERI);
+
 	return 0;
 }
 
diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c
index 6d5aa806777..7644ed24956 100644
--- a/drivers/video/bf54x-lq043fb.c
+++ b/drivers/video/bf54x-lq043fb.c
@@ -58,7 +58,7 @@
 #include <asm/gpio.h>
 #include <asm/portmux.h>
 
-#include <asm/mach/bf54x-lq043.h>
+#include <mach/bf54x-lq043.h>
 
 #define NO_BL_SUPPORT
 
diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c
index c14b2435d23..e729fb27964 100644
--- a/drivers/video/cirrusfb.c
+++ b/drivers/video/cirrusfb.c
@@ -628,27 +628,18 @@ static long cirrusfb_get_mclk(long freq, int bpp, long *div)
 static int cirrusfb_check_var(struct fb_var_screeninfo *var,
 			      struct fb_info *info)
 {
-	int nom, den;		/* translyting from pixels->bytes */
-	int yres, i;
-	static struct { int xres, yres; } modes[] =
-	{ { 1600, 1280 },
-	  { 1280, 1024 },
-	  { 1024, 768 },
-	  { 800, 600 },
-	  { 640, 480 },
-	  { -1, -1 } };
+	int yres;
+	/* memory size in pixels */
+	unsigned pixels = info->screen_size * 8 / var->bits_per_pixel;
 
 	switch (var->bits_per_pixel) {
 	case 1:
-		nom = 4;
-		den = 8;
+		pixels /= 4;
 		break;		/* 8 pixel per byte, only 1/4th of mem usable */
 	case 8:
 	case 16:
 	case 24:
 	case 32:
-		nom = var->bits_per_pixel / 8;
-		den = 1;
 		break;		/* 1 pixel == 1 byte */
 	default:
 		printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected..."
@@ -658,43 +649,29 @@ static int cirrusfb_check_var(struct fb_var_screeninfo *var,
 		return -EINVAL;
 	}
 
-	if (var->xres * nom / den * var->yres > info->screen_size) {
-		printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected..."
-			"resolution too high to fit into video memory!\n",
-			var->xres, var->yres, var->bits_per_pixel);
-		DPRINTK("EXIT - EINVAL error\n");
-		return -EINVAL;
-	}
-
+	if (var->xres_virtual < var->xres)
+		var->xres_virtual = var->xres;
 	/* use highest possible virtual resolution */
-	if (var->xres_virtual == -1 &&
-	    var->yres_virtual == -1) {
-		printk(KERN_INFO
-		     "cirrusfb: using maximum available virtual resolution\n");
-		for (i = 0; modes[i].xres != -1; i++) {
-			int size = modes[i].xres * nom / den * modes[i].yres;
-			if (size < info->screen_size / 2)
-				break;
-		}
-		if (modes[i].xres == -1) {
-			printk(KERN_ERR "cirrusfb: could not find a virtual "
-				"resolution that fits into video memory!!\n");
-			DPRINTK("EXIT - EINVAL error\n");
-			return -EINVAL;
-		}
-		var->xres_virtual = modes[i].xres;
-		var->yres_virtual = modes[i].yres;
+	if (var->yres_virtual == -1) {
+		var->yres_virtual = pixels / var->xres_virtual;
 
 		printk(KERN_INFO "cirrusfb: virtual resolution set to "
 			"maximum of %dx%d\n", var->xres_virtual,
 			var->yres_virtual);
 	}
-
-	if (var->xres_virtual < var->xres)
-		var->xres_virtual = var->xres;
 	if (var->yres_virtual < var->yres)
 		var->yres_virtual = var->yres;
 
+	if (var->xres_virtual * var->yres_virtual > pixels) {
+		printk(KERN_ERR "cirrusfb: mode %dx%dx%d rejected... "
+		      "virtual resolution too high to fit into video memory!\n",
+			var->xres_virtual, var->yres_virtual,
+			var->bits_per_pixel);
+		DPRINTK("EXIT - EINVAL error\n");
+		return -EINVAL;
+	}
+
+
 	if (var->xoffset < 0)
 		var->xoffset = 0;
 	if (var->yoffset < 0)
diff --git a/drivers/video/tdfxfb.c b/drivers/video/tdfxfb.c
index 77aafcfae03..4599a4385bc 100644
--- a/drivers/video/tdfxfb.c
+++ b/drivers/video/tdfxfb.c
@@ -95,7 +95,6 @@ static inline int mtrr_del(int reg, unsigned long base,
 #define VOODOO5_MAX_PIXCLOCK 350000
 
 static struct fb_fix_screeninfo tdfx_fix __devinitdata = {
-	.id =		"3Dfx",
 	.type =		FB_TYPE_PACKED_PIXELS,
 	.visual =	FB_VISUAL_PSEUDOCOLOR,
 	.ypanstep =	1,
@@ -426,7 +425,7 @@ static unsigned long do_lfb_size(struct tdfx_par *par, unsigned short dev_id)
 	if (dev_id < PCI_DEVICE_ID_3DFX_VOODOO5) {
 		/* Banshee/Voodoo3 */
 		chip_size = 2;
-		if (has_sgram && (draminit0 & DRAMINIT0_SGRAM_TYPE))
+		if (has_sgram && !(draminit0 & DRAMINIT0_SGRAM_TYPE))
 			chip_size = 1;
 	} else {
 		/* Voodoo4/5 */
@@ -1200,15 +1199,15 @@ static int __devinit tdfxfb_probe(struct pci_dev *pdev,
 	/* Configure the default fb_fix_screeninfo first */
 	switch (pdev->device) {
 	case PCI_DEVICE_ID_3DFX_BANSHEE:
-		strcat(tdfx_fix.id, " Banshee");
+		strcpy(tdfx_fix.id, "3Dfx Banshee");
 		default_par->max_pixclock = BANSHEE_MAX_PIXCLOCK;
 		break;
 	case PCI_DEVICE_ID_3DFX_VOODOO3:
-		strcat(tdfx_fix.id, " Voodoo3");
+		strcpy(tdfx_fix.id, "3Dfx Voodoo3");
 		default_par->max_pixclock = VOODOO3_MAX_PIXCLOCK;
 		break;
 	case PCI_DEVICE_ID_3DFX_VOODOO5:
-		strcat(tdfx_fix.id, " Voodoo5");
+		strcpy(tdfx_fix.id, "3Dfx Voodoo5");
 		default_par->max_pixclock = VOODOO5_MAX_PIXCLOCK;
 		break;
 	}