diff options
author | Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de> | 2011-01-23 13:17:17 -0500 |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-01-24 13:28:08 -0500 |
commit | b705120e4198315f4ae043de06c62f65e0851fd3 (patch) | |
tree | d10bd8c952fa5ab18c9aacafeda37c72eb675c44 /drivers | |
parent | 8a327f23e23fa509e6e3c2263ae1cc0a67dec387 (diff) |
drm/i915: Use consistent mappings for OpRegion between ACPI and i915
The opregion is a shared memory region between ACPI and the graphics
driver. As the ACPI mapping has been changed to cachable in commit
6d5bbf00d251cc73223a71422d69e069dc2e0b8d, mapping the intel opregion
non-cachable now fails. As no bus-master hardware is involved in the
opregion, cachable map should do no harm.
Tested on a Fujitsu Lifebook P8010.
Signed-off-by: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de>
[ickle: convert to acpi_os_ioremap for consistency]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index f295a7aaadf9..64fd64443ca6 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c | |||
@@ -26,6 +26,7 @@ | |||
26 | */ | 26 | */ |
27 | 27 | ||
28 | #include <linux/acpi.h> | 28 | #include <linux/acpi.h> |
29 | #include <linux/acpi_io.h> | ||
29 | #include <acpi/video.h> | 30 | #include <acpi/video.h> |
30 | 31 | ||
31 | #include "drmP.h" | 32 | #include "drmP.h" |
@@ -476,7 +477,7 @@ int intel_opregion_setup(struct drm_device *dev) | |||
476 | return -ENOTSUPP; | 477 | return -ENOTSUPP; |
477 | } | 478 | } |
478 | 479 | ||
479 | base = ioremap(asls, OPREGION_SIZE); | 480 | base = acpi_os_ioremap(asls, OPREGION_SIZE); |
480 | if (!base) | 481 | if (!base) |
481 | return -ENOMEM; | 482 | return -ENOMEM; |
482 | 483 | ||