diff options
author | Roy Spliet <r.spliet@student.tudelft.nl> | 2011-07-14 20:40:10 +0200 |
---|---|---|
committer | Ben Skeggs <bskeggs@redhat.com> | 2011-09-20 16:08:28 +1000 |
commit | 2228c6fe04ddc303e90c05dd9430539fbcd8fa18 (patch) | |
tree | 8baa1b74c082de0cf7b81906c499fcb99b4cf3e0 /drivers/gpu/drm/nouveau/nouveau_mem.c | |
parent | 9a7824887690836448eb73ccf0d8232da2e5bee3 (diff) |
drm/nouveau/pm: Document and expose CL and WR for 0x1002Cx
Signed-off-by: Roy Spliet <r.spliet@student.tudelft.nl>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_mem.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_mem.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c index 65c12ed1425..36bec480770 100644 --- a/drivers/gpu/drm/nouveau/nouveau_mem.c +++ b/drivers/gpu/drm/nouveau/nouveau_mem.c @@ -519,10 +519,10 @@ void nv40_mem_timing_entry(struct drm_device *dev, struct nouveau_pm_tbl_header /* XXX: I don't trust the -1's and +1's... they must come * from somewhere! */ - timing->reg_1 = (e->tUNK_0 + 2 + magic_number) << 24 | + timing->reg_1 = (e->tWR + 2 + magic_number) << 24 | 1 << 16 | (e->tUNK_1 + 2 + magic_number) << 8 | - (e->tUNK_2 + 2 - magic_number); + (e->tCL + 2 - magic_number); timing->reg_2 = (magic_number << 24 | e->tUNK_12 << 16 | e->tUNK_11 << 8 | e->tUNK_10); timing->reg_2 |= 0x20200000; @@ -555,13 +555,13 @@ void nv50_mem_timing_entry(struct drm_device *dev, struct bit_entry *P, struct n /* XXX: I don't trust the -1's and +1's... they must come * from somewhere! */ - timing->reg_1 = (e->tUNK_0 + unk19 + 1 + magic_number) << 24 | + timing->reg_1 = (e->tWR + unk19 + 1 + magic_number) << 24 | max(unk18, (u8) 1) << 16 | (e->tUNK_1 + unk19 + 1 + magic_number) << 8; if (dev_priv->chipset == 0xa8) { - timing->reg_1 |= (e->tUNK_2 - 1); + timing->reg_1 |= (e->tCL - 1); } else { - timing->reg_1 |= (e->tUNK_2 + 2 - magic_number); + timing->reg_1 |= (e->tCL + 2 - magic_number); } timing->reg_2 = (e->tUNK_12 << 16 | e->tUNK_11 << 8 | e->tUNK_10); @@ -570,17 +570,17 @@ void nv50_mem_timing_entry(struct drm_device *dev, struct bit_entry *P, struct n if (P->version == 1) { timing->reg_2 |= magic_number << 24; - timing->reg_3 = (0x14 + e->tUNK_2) << 24 | + timing->reg_3 = (0x14 + e->tCL) << 24 | 0x16 << 16 | - (e->tUNK_2 - 1) << 8 | - (e->tUNK_2 - 1); + (e->tCL - 1) << 8 | + (e->tCL - 1); timing->reg_4 = (nv_rd32(dev,0x10022c) & 0xffff0000) | e->tUNK_13 << 8 | e->tUNK_13; - timing->reg_5 |= (e->tUNK_2 + 2) << 8; - timing->reg_7 = 0x4000202 | (e->tUNK_2 - 1) << 16; + timing->reg_5 |= (e->tCL + 2) << 8; + timing->reg_7 = 0x4000202 | (e->tCL - 1) << 16; } else { timing->reg_2 |= (unk19 - 1) << 24; /* XXX: reg_10022c for recentish cards pretty much unknown*/ - timing->reg_3 = e->tUNK_2 - 1; + timing->reg_3 = e->tCL - 1; timing->reg_4 = (unk20 << 24 | unk21 << 16 | e->tUNK_13 << 8 | e->tUNK_13); /* XXX: +6? */ @@ -603,8 +603,8 @@ void nv50_mem_timing_entry(struct drm_device *dev, struct bit_entry *P, struct n void nvc0_mem_timing_entry(struct drm_device *dev, struct nouveau_pm_tbl_header *hdr, struct nouveau_pm_tbl_entry *e, struct nouveau_pm_memtiming *timing) { timing->reg_0 = (e->tRC << 24 | (e->tRFC & 0x7f) << 17 | e->tRAS << 8 | e->tRP); - timing->reg_1 = (nv_rd32(dev,0x10f294) & 0xff000000) | (e->tUNK_11&0x0f) << 20 | (e->tUNK_19 << 7) | (e->tUNK_2 & 0x0f); - timing->reg_2 = (nv_rd32(dev,0x10f298) & 0xff0000ff) | e->tUNK_0 << 16 | e->tUNK_1 << 8; + timing->reg_1 = (nv_rd32(dev,0x10f294) & 0xff000000) | (e->tUNK_11&0x0f) << 20 | (e->tUNK_19 << 7) | (e->tCL & 0x0f); + timing->reg_2 = (nv_rd32(dev,0x10f298) & 0xff0000ff) | e->tWR << 16 | e->tUNK_1 << 8; timing->reg_3 = e->tUNK_20 << 9 | e->tUNK_13; timing->reg_4 = (nv_rd32(dev,0x10f2a0) & 0xfff000ff) | e->tUNK_12 << 15; NV_DEBUG(dev, "Entry %d: 290: %08x %08x %08x %08x\n", timing->id, @@ -686,6 +686,8 @@ nouveau_mem_timing_init(struct drm_device *dev) continue; timing->id = i; + timing->WR = entry[0]; + timing->CL = entry[2]; if(dev_priv->card_type <= NV_40) { nv40_mem_timing_entry(dev,hdr,(struct nouveau_pm_tbl_entry*) entry,magic_number,&pm->memtimings.timing[i]); |