Re: Radeon: do not blank screen during suspend
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Date: 2004-09-18 04:47:39
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On Wed, 2004-09-15 at 21:26, Pavel Machek wrote:
Hi! This stops ugly flashing from radeon during suspend/resume, please apply,
Shoud be fine. BTW. What is the status with Patrick merge of pmdisk & swsusp ? Has it been merged at all ? (No time to check at the moment). I still hope I'll find some time to do real work on it (& cleanup the ppc support that I had working experimentally at OLS) sooner or later... Ben. Pavel
quoted hunk ↗ jump to hunk
--- clean-mm/drivers/video/aty/radeon_pm.c 2004-08-24 09:03:18.000000000 +0200 +++ linux-mm/drivers/video/aty/radeon_pm.c 2004-09-15 13:00:51.000000000 +0200@@ -871,7 +871,8 @@ agp_enable(0); #endif - fb_set_suspend(info, 1); + if (system_state != SYSTEM_SNAPSHOT) + fb_set_suspend(info, 1); if (!(info->flags & FBINFO_HWACCEL_DISABLED)) { /* Make sure engine is reset */@@ -880,12 +881,14 @@ radeon_engine_idle(); } - /* Blank display and LCD */ - radeonfb_blank(VESA_POWERDOWN, info); - - /* Sleep */ - rinfo->asleep = 1; - rinfo->lock_blank = 1; + if (system_state != SYSTEM_SNAPSHOT) { + /* Blank display and LCD */ + radeonfb_blank(VESA_POWERDOWN, info); + + /* Sleep */ + rinfo->asleep = 1; + rinfo->lock_blank = 1; + } /* Suspend the chip to D2 state when supported */
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