X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fvideo%2Fnvidia%2Fnvidia.c;h=c6afafcfc24b536dd3ee28f41deb2861c6d1a01e;hb=b9b2696de920e7366e2ce0cdc3b3b7fc11e44e99;hp=547374230179a2db25d8830dbbf5c6ed5387eaef;hpb=5e14ab8b5ecca8997406180e23761525f49a09a3;p=pandora-kernel.git

diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
index 547374230179..c6afafcfc24b 100644
--- a/drivers/video/nvidia/nvidia.c
+++ b/drivers/video/nvidia/nvidia.c
@@ -83,6 +83,11 @@ static int bpp __devinitdata = 8;
 #ifdef CONFIG_MTRR
 static int nomtrr __devinitdata = 0;
 #endif
+#ifdef CONFIG_PMAC_BACKLIGHT
+static int backlight __devinitdata = 1;
+#else
+static int backlight __devinitdata = 0;
+#endif
 
 static char *mode_option __devinitdata = NULL;
 
@@ -195,7 +200,7 @@ static int nvidia_panel_tweak(struct nvidia_par *par,
    return tweak;
 }
 
-static void nvidia_vga_protect(struct nvidia_par *par, int on)
+static void nvidia_screen_off(struct nvidia_par *par, int on)
 {
 	unsigned char tmp;
 
@@ -644,7 +649,7 @@ static int nvidiafb_set_par(struct fb_info *info)
 		NVLockUnlock(par, 0);
 	}
 
-	nvidia_vga_protect(par, 1);
+	nvidia_screen_off(par, 1);
 
 	nvidia_write_regs(par, &par->ModeReg);
 	NVSetStartAddress(par, 0);
@@ -682,7 +687,7 @@ static int nvidiafb_set_par(struct fb_info *info)
 
 	par->cursor_reset = 1;
 
-	nvidia_vga_protect(par, 0);
+	nvidia_screen_off(par, 0);
 
 #ifdef CONFIG_BOOTX_TEXT
 	/* Update debug text engine */
@@ -691,6 +696,7 @@ static int nvidiafb_set_par(struct fb_info *info)
 			     info->var.bits_per_pixel, info->fix.line_length);
 #endif
 
+	NVLockUnlock(par, 0);
 	NVTRACE_LEAVE();
 	return 0;
 }
@@ -829,7 +835,7 @@ static int nvidiafb_check_var(struct fb_var_screeninfo *var,
 	}
 
 	if (!mode_valid) {
-		struct fb_videomode *mode;
+		const struct fb_videomode *mode;
 
 		mode = fb_find_best_mode(var, &info->modelist);
 		if (mode) {
@@ -938,8 +944,6 @@ static int nvidiafb_blank(int blank, struct fb_info *info)
 	NVWriteSeq(par, 0x01, tmp);
 	NVWriteCrtc(par, 0x1a, vesa);
 
-	nvidia_bl_set_power(info, blank);
-
 	NVTRACE_LEAVE();
 
 	return 0;
@@ -1046,10 +1050,10 @@ static int __devinit nvidia_set_fbinfo(struct fb_info *info)
 	}
 
 	if (specs->modedb != NULL) {
-		struct fb_videomode *modedb;
+		const struct fb_videomode *mode;
 
-		modedb = fb_find_best_display(specs, &info->modelist);
-		fb_videomode_to_var(&nvidiafb_default_var, modedb);
+		mode = fb_find_best_display(specs, &info->modelist);
+		fb_videomode_to_var(&nvidiafb_default_var, mode);
 		nvidiafb_default_var.bits_per_pixel = bpp;
 	} else if (par->fpWidth && par->fpHeight) {
 		char buf[16];
@@ -1313,7 +1317,10 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd,
 	nvidia_save_vga(par, &par->SavedReg);
 
 	pci_set_drvdata(pd, info);
-	nvidia_bl_init(par);
+
+	if (backlight)
+		nvidia_bl_init(par);
+
 	if (register_framebuffer(info) < 0) {
 		printk(KERN_ERR PFX "error registering nVidia framebuffer\n");
 		goto err_out_iounmap_fb;
@@ -1352,9 +1359,10 @@ static void __devexit nvidiafb_remove(struct pci_dev *pd)
 
 	NVTRACE_ENTER();
 
+	unregister_framebuffer(info);
+
 	nvidia_bl_exit(par);
 
-	unregister_framebuffer(info);
 #ifdef CONFIG_MTRR
 	if (par->mtrr.vram_valid)
 		mtrr_del(par->mtrr.vram, info->fix.smem_start,
@@ -1409,6 +1417,8 @@ static int __devinit nvidiafb_setup(char *options)
 			paneltweak = simple_strtoul(this_opt+11, NULL, 0);
 		} else if (!strncmp(this_opt, "vram:", 5)) {
 			vram = simple_strtoul(this_opt+5, NULL, 0);
+		} else if (!strncmp(this_opt, "backlight:", 10)) {
+			backlight = simple_strtoul(this_opt+10, NULL, 0);
 #ifdef CONFIG_MTRR
 		} else if (!strncmp(this_opt, "nomtrr", 6)) {
 			nomtrr = 1;