patch-2.3.39 linux/drivers/video/atyfb.c

• Lines: 99
• Date: Sat Jan 8 12:59:39 2000
• Orig file: v2.3.38/linux/drivers/video/atyfb.c
• Orig date: Fri Jan 7 19:13:22 2000

diff -u --recursive --new-file v2.3.38/linux/drivers/video/atyfb.c linux/drivers/video/atyfb.c
@@ -4805,98 +4805,6 @@
 }
 #endif /* CONFIG_PMAC_PBOOK */
 
-#ifdef CONFIG_PMAC_PBOOK
-/*
- * Save the contents of the frame buffer when we go to sleep,
- * and restore it when we wake up again.
- */
-int
-aty_sleep_notify(struct pmu_sleep_notifier *self, int when)
-{
-	struct fb_info_aty *info;
- 	unsigned int pm;
- 	
-	for (info = first_display; info != NULL; info = info->next) {
-		struct fb_fix_screeninfo fix;
-		int nb;
-		
-		atyfb_get_fix(&fix, fg_console, (struct fb_info *)info);
-		nb = fb_display[fg_console].var.yres * fix.line_length;
-
-		switch (when) {
-		case PBOOK_SLEEP_NOW:
-			/* Stop accel engine (stop bus mastering) */
-			if (info->current_par.accel_flags & FB_ACCELF_TEXT)
-				reset_engine(info);
-#if 1
-			/* Backup fb content */	
-			info->save_framebuffer = vmalloc(nb);
-			if (info->save_framebuffer)
-				memcpy(info->save_framebuffer,
-				       (void *)info->frame_buffer, nb);
-#endif
-			/* Blank display and LCD */				       
-			atyfbcon_blank(VESA_POWERDOWN+1, (struct fb_info *)info);			
-			
-			/* Set chip to "suspend" mode. Note: There's an HW bug in the
-			   chip which prevents proper resync on wakeup with automatic
-			   power management, we handle suspend manually using the
-			   following (weird) sequence described by ATI. Note2:
-			   We could enable this for all Rage LT Pro chip ids */
-			if ((Gx == LG_CHIP_ID) || (Gx == LT_CHIP_ID) || (Gx == LP_CHIP_ID)) {
-				pm = aty_ld_le32(POWER_MANAGEMENT, info);
-				pm &= ~PWR_MGT_ON;
-				aty_st_le32(POWER_MANAGEMENT, pm, info);
-				pm = aty_ld_le32(POWER_MANAGEMENT, info);
-				pm &= ~(PWR_BLON | AUTO_PWR_UP);
-				pm |= SUSPEND_NOW;
-				aty_st_le32(POWER_MANAGEMENT, pm, info);
-				pm = aty_ld_le32(POWER_MANAGEMENT, info);
-				pm |= PWR_MGT_ON;
-				aty_st_le32(POWER_MANAGEMENT, pm, info);
-				do {
-					pm = aty_ld_le32(POWER_MANAGEMENT, info);
-				} while ((pm & PWR_MGT_STATUS_MASK) != PWR_MGT_STATUS_SUSPEND);
-				mdelay(500);
-			}
-			break;
-		case PBOOK_WAKE:
-			/* Wakeup chip */
-			if ((Gx == LG_CHIP_ID) || (Gx == LT_CHIP_ID) || (Gx == LP_CHIP_ID)) {
-				pm = aty_ld_le32(POWER_MANAGEMENT, info);
-				pm &= ~PWR_MGT_ON;
-				aty_st_le32(POWER_MANAGEMENT, pm, info);
-				pm = aty_ld_le32(POWER_MANAGEMENT, info);
-				pm |=  (PWR_BLON | AUTO_PWR_UP);
-				pm &= ~SUSPEND_NOW;
-				aty_st_le32(POWER_MANAGEMENT, pm, info);
-				pm = aty_ld_le32(POWER_MANAGEMENT, info);
-				pm |= PWR_MGT_ON;
-				aty_st_le32(POWER_MANAGEMENT, pm, info);
-				do {
-					pm = aty_ld_le32(POWER_MANAGEMENT, info);
-				} while ((pm & PWR_MGT_STATUS_MASK) != 0);
-				mdelay(500);
-			}
-#if 1
-			/* Restore fb content */			
-			if (info->save_framebuffer) {
-				memcpy((void *)info->frame_buffer,
-				       info->save_framebuffer, nb);
-				vfree(info->save_framebuffer);
-				info->save_framebuffer = 0;
-			}
-#endif
-			/* Restore display */			
-			atyfb_set_par(&info->current_par, info);
-			atyfbcon_blank(0, (struct fb_info *)info);
-			break;
-		}
-	}
-	return PBOOK_SLEEP_OK;
-}
-#endif /* CONFIG_PMAC_PBOOK */
-
 #ifdef MODULE
 int __init init_module(void)
 {