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authorBen Skeggs <bskeggs@redhat.com>2012-01-27 10:53:17 +1000
committerBen Skeggs <bskeggs@redhat.com>2012-05-24 16:31:16 +1000
commit27740383dde9e1f309a74cf39d96f3223dbf281c (patch)
treee34637989d61d6a16763a7ce0d5bcccdc8a7e8c6 /drivers/gpu/drm/nouveau/nva3_pm.c
parent65115bb05a9380a256907ae307135248ac1c29b4 (diff)
drm/nva3/pm: initial attempt at more magic PFB regs
The reg calculation may get moved elsewhere at some point, but lets figure out what exactly we need to do first. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nva3_pm.c')
-rw-r--r--drivers/gpu/drm/nouveau/nva3_pm.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nva3_pm.c b/drivers/gpu/drm/nouveau/nva3_pm.c
index 3d397845dca9..86d0de084784 100644
--- a/drivers/gpu/drm/nouveau/nva3_pm.c
+++ b/drivers/gpu/drm/nouveau/nva3_pm.c
@@ -354,8 +354,11 @@ mclk_mrs(struct nouveau_mem_exec_func *exec, int mr, u32 data)
static void
mclk_clock_set(struct nouveau_mem_exec_func *exec)
{
- struct nva3_pm_state *info = exec->priv;
struct drm_device *dev = exec->dev;
+ struct nva3_pm_state *info = exec->priv;
+ struct nouveau_pm_level *perflvl = info->perflvl;
+ u32 freq = perflvl->memory;
+ u8 *rammap, *ramcfg, ver, hdr, cnt, len;
nv_wr32(dev, 0x004018, 0x00001000);
@@ -365,6 +368,26 @@ mclk_clock_set(struct nouveau_mem_exec_func *exec)
nv_wr32(dev, 0x004018, 0x1000d000);
else
nv_wr32(dev, 0x004018, 0x10005000);
+
+ rammap = nouveau_perf_rammap(dev, freq, &ver, &hdr, &cnt, &len);
+ if (rammap && ver == 0x10 && hdr >= 5) {
+ ramcfg = nouveau_perf_ramcfg(dev, freq, &ver, &len);
+ if (ramcfg && (rammap[4] & 0x08)) {
+ u32 unk5a0 = (ROM16(ramcfg[5]) << 8) | ramcfg[5];
+ u32 unk5a4 = ROM16(ramcfg[7]);
+ u32 unk804 = (ramcfg[9] & 0xf0) << 16 |
+ (ramcfg[3] & 0x0f) << 16 |
+ (ramcfg[9] & 0x0f) |
+ 0x80000000;
+ nv_wr32(dev, 0x1005a0, unk5a0);
+ nv_wr32(dev, 0x1005a4, unk5a4);
+ nv_wr32(dev, 0x10f804, unk804);
+ nv_mask(dev, 0x10053c, 0x00001000, 0x00000000);
+ } else {
+ nv_mask(dev, 0x10053c, 0x00001000, 0x00001000);
+ nv_mask(dev, 0x10f804, 0x80000000, 0x00000000);
+ }
+ }
}
static void