drm/radeon/kms: respect single crtc cards, only create one crtc. (v2)

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / radeon / radeon_legacy_encoders.c

diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index b1547f700d739eeb9787b2e55a09b826e6af3d57..0ebbd292b90c65fd6b6cbf2bb36dc4f26b11f9e7 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -1318,7 +1318,10 @@ radeon_add_legacy_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t
                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;