drm/nouveau: Fix bandwidth calculation for DisplayPort

Ported from the equivalent fix in drm-intel-next:

http://cgit.freedesktop.org/~keithp/linux/commit/?h=drm-intel-next&id=f8fce41987c93fc85b21df9d4953cde2ffb2ed6c

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index e0d275e1c96c05c302693c49b7093cde95eccc40..cea6696b19064e48a7c4f1e94bef793377962db8 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -710,7 +710,7 @@ nouveau_connector_mode_valid(struct drm_connector *connector,
        case OUTPUT_DP:
                max_clock  = nv_encoder->dp.link_nr;
                max_clock *= nv_encoder->dp.link_bw;
-               clock = clock * nouveau_connector_bpp(connector) / 8;
+               clock = clock * nouveau_connector_bpp(connector) / 10;
                break;
        default:
                BUG_ON(1);