]> asedeno.scripts.mit.edu Git - linux.git/commitdiff
drm/gk104/fb/ram: twiddle some more bits when reclocking
authorBen Skeggs <bskeggs@redhat.com>
Wed, 3 Sep 2014 06:26:20 +0000 (16:26 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Mon, 15 Sep 2014 12:25:10 +0000 (22:25 +1000)
*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>
drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c

index afde4c1d6a4b0409fbea7190f5a3c1185e62dd1f..37d97773e1909a1b314f5c7aae80053f9fb4c42d 100644 (file)
@@ -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;