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authorDave Airlie <airlied@linux.ie>2009-11-03 13:23:15 +1000
committerDave Airlie <airlied@redhat.com>2009-11-04 09:53:42 +1000
commit8a9832e89ff1bc7a039c8f966f07101570be3d5e (patch)
tree03cf2ac62c1f131cd6d5d9119dadfa070894bd09 /drivers/gpu
parentd6f28938d9426d12eea1578949f1d73d24ad37ec (diff)
downloadlinux-8a9832e89ff1bc7a039c8f966f07101570be3d5e.tar.bz2
drm/radeon/kms: disable D1VGA and D2VGA if enabled
Once kms is enabled we don't need these, and it causes a problem with the Lenovo W500 ACPI brightness implementation, it hangs in a loop inside an SMI. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/rv515.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 41a34c23e6d8..03c052d892c0 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -137,6 +137,8 @@ int rv515_mc_wait_for_idle(struct radeon_device *rdev)
void rv515_vga_render_disable(struct radeon_device *rdev)
{
+ WREG32(R_000330_D1VGA_CONTROL, 0);
+ WREG32(R_000338_D2VGA_CONTROL, 0);
WREG32(R_000300_VGA_RENDER_CONTROL,
RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
}