diff options
| author | Borislav Petkov <[email protected]> | 2010-09-03 18:39:41 +0200 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2010-09-05 14:28:34 +0200 |
| commit | 1b13fe6a6e9986dbc079cbb05090be75edbffa5d (patch) | |
| tree | feabf768d5ed72f9f89d8caeb1c95fe996904961 | |
| parent | 260133ab658bd2b80e07832a878e00405e19ff43 (diff) | |
AGP: Warn when GATT memory cannot be set to UC
This is one of those paranoid checks which should at least tell
us that something is about to go haywire after we've disabled
GART table walk probes which is done by default now on AMD.
Signed-off-by: Borislav Petkov <[email protected]>
Cc: Dave Airlie <[email protected]>
Cc: FUJITA Tomonori <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | drivers/char/agp/generic.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index d2abf5143983..64255cef8a7d 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -984,7 +984,9 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge) bridge->driver->cache_flush(); #ifdef CONFIG_X86 - set_memory_uc((unsigned long)table, 1 << page_order); + if (set_memory_uc((unsigned long)table, 1 << page_order)) + printk(KERN_WARNING "Could not set GATT table memory to UC!"); + bridge->gatt_table = (void *)table; #else bridge->gatt_table = ioremap_nocache(virt_to_phys(table), |