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authorRafał Miłecki <zajec5@gmail.com>2009-12-17 00:00:46 +0100
committerDave Airlie <airlied@redhat.com>2009-12-23 11:14:03 +1000
commitc31ad97f1886a2ff0f3356dc31d50c57944365da (patch)
tree4e6de647819a7acdcd7651efeb7c1db14a6179c7 /drivers/gpu/drm/radeon/radeon_device.c
parentd79766fab9975c6414ebab7d2abf017834a48c35 (diff)
drm/radeon/kms: prevent parallel AtomBIOS calls
This just adds a mutex around the atombios table execution so we don't call it from two contexts at once. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 02bcdb1240c..99b95ca42a7 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -481,6 +481,7 @@ int radeon_atombios_init(struct radeon_device *rdev)
atom_card_info->pll_write = cail_pll_write;
rdev->mode_info.atom_context = atom_parse(atom_card_info, rdev->bios);
+ mutex_init(&rdev->mode_info.atom_context->mutex);
radeon_atom_initialize_bios_scratch_regs(rdev->ddev);
atom_allocate_fb_scratch(rdev->mode_info.atom_context);
return 0;