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drm/radeon: clarify and extend wb setup on APUs and NI+ asics 

Use family rather than DCE check for clarity, also always use
wb on APUs, there will never be AGP variants.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2012-05-03 17:06:28 -04:00 committed by Dave Airlie
parent b6bb962589
commit c994ead62c
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/radeon/radeon_device.c
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@ -241,8 +241,8 @@ int radeon_wb_init(struct radeon_device *rdev)
rdev->wb.use_event = true;
}
}
/* always use writeback/events on NI */
if (ASIC_IS_DCE5(rdev)) {
/* always use writeback/events on NI, APUs */
if (rdev->family >= CHIP_PALM) {
rdev->wb.enabled = true;
rdev->wb.use_event = true;
}