From: Alex Deucher Date: Wed, 23 Jun 2010 01:58:26 +0000 (-0400) Subject: drm/radeon/kms: avoid oops on mac r4xx cards X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=07bb084c9306107204ef5691d4ce6f61213af6c2;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git 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 Signed-off-by: Dave Airlie --- 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: