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authorAlex Deucher <alexdeucher@gmail.com>2010-06-22 21:58:26 -0400
committerDave Airlie <airlied@redhat.com>2010-07-01 11:59:36 +1000
commit07bb084c9306107204ef5691d4ce6f61213af6c2 (patch)
treebcd6cf5bad2d19480972f0329ab4469cc5f54216 /drivers
parentb26c949755c06ec79e55a75817210083bd78fc9a (diff)
drm/radeon/kms: avoid oops on mac r4xx cards
They don't have an atombios so don't attempt to use it for eng/mem clocks. Reported by spoonb on #radeon fixes: https://bugs.freedesktop.org/show_bug.cgi?id=28671 Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 87f7e2cc52d..646f96f97c7 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -780,6 +780,13 @@ int radeon_asic_init(struct radeon_device *rdev)
case CHIP_R423:
case CHIP_RV410:
rdev->asic = &r420_asic;
+ /* handle macs */
+ if (rdev->bios == NULL) {
+ rdev->asic->get_engine_clock = &radeon_legacy_get_engine_clock;
+ rdev->asic->set_engine_clock = &radeon_legacy_set_engine_clock;
+ rdev->asic->get_memory_clock = &radeon_legacy_get_memory_clock;
+ rdev->asic->set_memory_clock = NULL;
+ }
break;
case CHIP_RS400:
case CHIP_RS480: