diff options
author | Ben Skeggs <bskeggs@redhat.com> | 2014-09-03 06:26:20 (GMT) |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2014-09-15 12:25:10 (GMT) |
commit | b6f97a089b6d0e7463a5062fb29a002fc9b1d025 (patch) | |
tree | 230cc1806596ef43e7ae00c3f1305be52705b69a /drivers | |
parent | 5af430abdf2df5c9e80ca0cdeca389123151ac9c (diff) | |
download | linux-b6f97a089b6d0e7463a5062fb29a002fc9b1d025.tar.xz |
drm/gk104/fb/ram: twiddle some more bits when reclocking
*when* this is done is only a rough approximation of what the binary driver
does.. need to investigate more to see if it matters
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c | 99 |
1 files changed, 98 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c index afde4c1..37d9777 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c @@ -1073,13 +1073,99 @@ nve0_ram_calc(struct nouveau_fb *pfb, u32 freq) return nve0_ram_calc_xits(pfb, ram->base.next); } +static void +nve0_ram_prog_0(struct nouveau_fb *pfb, u32 freq) +{ + struct nve0_ram *ram = (void *)pfb->ram; + struct nouveau_ram_data *cfg; + u32 mhz = freq / 1000; + u32 mask, data; + + list_for_each_entry(cfg, &ram->cfg, head) { + if (mhz >= cfg->bios.rammap_min && + mhz <= cfg->bios.rammap_max) + break; + } + + if (&cfg->head == &ram->cfg) + return; + + if (mask = 0, data = 0, ram->diff.rammap_11_0a_03fe) { + data |= cfg->bios.rammap_11_0a_03fe << 12; + mask |= 0x001ff000; + } + if (ram->diff.rammap_11_09_01ff) { + data |= cfg->bios.rammap_11_09_01ff; + mask |= 0x000001ff; + } + nv_mask(pfb, 0x10f468, mask, data); + + if (mask = 0, data = 0, ram->diff.rammap_11_0a_0400) { + data |= cfg->bios.rammap_11_0a_0400; + mask |= 0x00000001; + } + nv_mask(pfb, 0x10f420, mask, data); + + if (mask = 0, data = 0, ram->diff.rammap_11_0a_0800) { + data |= cfg->bios.rammap_11_0a_0800; + mask |= 0x00000001; + } + nv_mask(pfb, 0x10f430, mask, data); + + if (mask = 0, data = 0, ram->diff.rammap_11_0b_01f0) { + data |= cfg->bios.rammap_11_0b_01f0; + mask |= 0x0000001f; + } + nv_mask(pfb, 0x10f400, mask, data); + + if (mask = 0, data = 0, ram->diff.rammap_11_0b_0200) { + data |= cfg->bios.rammap_11_0b_0200 << 9; + mask |= 0x00000200; + } + nv_mask(pfb, 0x10f410, mask, data); + + if (mask = 0, data = 0, ram->diff.rammap_11_0d) { + data |= cfg->bios.rammap_11_0d << 16; + mask |= 0x00ff0000; + } + if (ram->diff.rammap_11_0f) { + data |= cfg->bios.rammap_11_0f << 8; + mask |= 0x0000ff00; + } + nv_mask(pfb, 0x10f440, mask, data); + + if (mask = 0, data = 0, ram->diff.rammap_11_0e) { + data |= cfg->bios.rammap_11_0e << 8; + mask |= 0x0000ff00; + } + if (ram->diff.rammap_11_0b_0800) { + data |= cfg->bios.rammap_11_0b_0800 << 7; + mask |= 0x00000080; + } + if (ram->diff.rammap_11_0b_0400) { + data |= cfg->bios.rammap_11_0b_0400 << 5; + mask |= 0x00000020; + } + nv_mask(pfb, 0x10f444, mask, data); +} + static int nve0_ram_prog(struct nouveau_fb *pfb) { struct nouveau_device *device = nv_device(pfb); struct nve0_ram *ram = (void *)pfb->ram; struct nve0_ramfuc *fuc = &ram->fuc; - ram_exec(fuc, nouveau_boolopt(device->cfgopt, "NvMemExec", true)); + struct nouveau_ram_data *next = ram->base.next; + + if (!nouveau_boolopt(device->cfgopt, "NvMemExec", true)) { + ram_exec(fuc, false); + return (ram->base.next == &ram->base.xition); + } + + nve0_ram_prog_0(pfb, 1000); + ram_exec(fuc, true); + nve0_ram_prog_0(pfb, next->freq); + return (ram->base.next == &ram->base.xition); } @@ -1325,6 +1411,17 @@ nve0_ram_ctor_data(struct nve0_ram *ram, u8 ramcfg, int i) if (ret = 0, i == 0) goto done; + d->rammap_11_0a_03fe |= p->rammap_11_0a_03fe != n->rammap_11_0a_03fe; + d->rammap_11_09_01ff |= p->rammap_11_09_01ff != n->rammap_11_09_01ff; + d->rammap_11_0a_0400 |= p->rammap_11_0a_0400 != n->rammap_11_0a_0400; + d->rammap_11_0a_0800 |= p->rammap_11_0a_0800 != n->rammap_11_0a_0800; + d->rammap_11_0b_01f0 |= p->rammap_11_0b_01f0 != n->rammap_11_0b_01f0; + d->rammap_11_0b_0200 |= p->rammap_11_0b_0200 != n->rammap_11_0b_0200; + d->rammap_11_0d |= p->rammap_11_0d != n->rammap_11_0d; + d->rammap_11_0f |= p->rammap_11_0f != n->rammap_11_0f; + d->rammap_11_0e |= p->rammap_11_0e != n->rammap_11_0e; + d->rammap_11_0b_0800 |= p->rammap_11_0b_0800 != n->rammap_11_0b_0800; + d->rammap_11_0b_0400 |= p->rammap_11_0b_0400 != n->rammap_11_0b_0400; d->ramcfg_11_01_01 |= p->ramcfg_11_01_01 != n->ramcfg_11_01_01; d->ramcfg_11_01_02 |= p->ramcfg_11_01_02 != n->ramcfg_11_01_02; d->ramcfg_11_01_10 |= p->ramcfg_11_01_10 != n->ramcfg_11_01_10; |