drm/nv50/disp: copy caps to evo
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
index b3ad1d0..87bfdb6 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -249,14 +249,52 @@
static int
nv50_disp_base_init(struct nouveau_object *object)
{
+ struct nv50_disp_priv *priv = (void *)object->engine;
struct nv50_disp_base *base = (void *)object;
- int ret;
+ int ret, i;
+ u32 tmp;
ret = nouveau_parent_init(&base->base);
if (ret)
return ret;
- /* caps */
+ /* The below segments of code copying values from one register to
+ * another appear to inform EVO of the display capabilities or
+ * something similar. NFI what the 0x614004 caps are for..
+ */
+ tmp = nv_rd32(priv, 0x614004);
+ nv_wr32(priv, 0x610184, tmp);
+
+ /* ... CRTC caps */
+ for (i = 0; i < priv->head.nr; i++) {
+ tmp = nv_rd32(priv, 0x616100 + (i * 0x800));
+ nv_wr32(priv, 0x610190 + (i * 0x10), tmp);
+ tmp = nv_rd32(priv, 0x616104 + (i * 0x800));
+ nv_wr32(priv, 0x610194 + (i * 0x10), tmp);
+ tmp = nv_rd32(priv, 0x616108 + (i * 0x800));
+ nv_wr32(priv, 0x610198 + (i * 0x10), tmp);
+ tmp = nv_rd32(priv, 0x61610c + (i * 0x800));
+ nv_wr32(priv, 0x61019c + (i * 0x10), tmp);
+ }
+
+ /* ... DAC caps */
+ for (i = 0; i < priv->dac.nr; i++) {
+ tmp = nv_rd32(priv, 0x61a000 + (i * 0x800));
+ nv_wr32(priv, 0x6101d0 + (i * 0x04), tmp);
+ }
+
+ /* ... SOR caps */
+ for (i = 0; i < priv->sor.nr; i++) {
+ tmp = nv_rd32(priv, 0x61c000 + (i * 0x800));
+ nv_wr32(priv, 0x6101e0 + (i * 0x04), tmp);
+ }
+
+ /* ... EXT caps */
+ for (i = 0; i < 3; i++) {
+ tmp = nv_rd32(priv, 0x61e000 + (i * 0x800));
+ nv_wr32(priv, 0x6101f0 + (i * 0x04), tmp);
+ }
+
/* intr 100 */
/* 6194e8 shit */
/* intr */