redonkable/alistair23-linux
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drm/nvc0/gr: add software methods to control some MP regs

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Signed-off-by: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Christoph Bumiller 2013-03-27 22:16:55 +01:00 committed by Ben Skeggs
parent 7e22e71e80
commit 9685482385
1 changed files with 29 additions and 0 deletions
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29
drivers/gpu/drm/nouveau/core/engine/software/nvc0.c
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@ -94,6 +94,32 @@ nvc0_software_mthd_flip(struct nouveau_object *object, u32 mthd,
return -EINVAL;
}
static int
nvc0_software_mthd_mp_control(struct nouveau_object *object, u32 mthd,
void *args, u32 size)
{
struct nvc0_software_chan *chan = (void *)nv_engctx(object->parent);
struct nvc0_software_priv *priv = (void *)nv_object(chan)->engine;
u32 data = *(u32 *)args;
switch (mthd) {
case 0x600:
nv_wr32(priv, 0x419e00, data); /* MP.PM_UNK000 */
break;
case 0x644:
if (data & ~0x1ffffe)
return -EINVAL;
nv_wr32(priv, 0x419e44, data); /* MP.TRAP_WARP_ERROR_EN */
break;
case 0x6ac:
nv_wr32(priv, 0x419eac, data); /* MP.PM_UNK0AC */
break;
default:
return -EINVAL;
}
return 0;
}
static struct nouveau_omthds
nvc0_software_omthds[] = {
{ 0x0400, 0x0400, nvc0_software_mthd_vblsem_offset },
@ -101,6 +127,9 @@ nvc0_software_omthds[] = {
{ 0x0408, 0x0408, nvc0_software_mthd_vblsem_value },
{ 0x040c, 0x040c, nvc0_software_mthd_vblsem_release },
{ 0x0500, 0x0500, nvc0_software_mthd_flip },
{ 0x0600, 0x0600, nvc0_software_mthd_mp_control },
{ 0x0644, 0x0644, nvc0_software_mthd_mp_control },
{ 0x06ac, 0x06ac, nvc0_software_mthd_mp_control },
{}
};