drm/radeon/kms: respect single crtc cards, only create one crtc. (v2)
Also add single crtc for RN50 chips.
changes in v2:
fix vblank init to respect single crtc flag
fix r100 mode bandwidth to respect single crtc flag
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index b1547f7..0ebbd29 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -1318,7 +1318,10 @@
return;
encoder = &radeon_encoder->base;
- encoder->possible_crtcs = 0x3;
+ if (rdev->flags & RADEON_SINGLE_CRTC)
+ encoder->possible_crtcs = 0x1;
+ else
+ encoder->possible_crtcs = 0x3;
encoder->possible_clones = 0;
radeon_encoder->enc_priv = NULL;