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drm/nv50/disp: copy caps to evo 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2012-08-14 11:29:57 +10:00
parent 70cabe4a14
commit ab77214a8e
1 changed files with 40 additions and 2 deletions
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42
drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
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@ -249,14 +249,52 @@ nv50_disp_base_dtor(struct nouveau_object *object)
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 */