summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau
diff options
context:
space:
mode:
authorBen Skeggs <bskeggs@redhat.com>2014-09-03 08:26:20 +0200
committerBen Skeggs <bskeggs@redhat.com>2014-09-15 14:25:10 +0200
commitb6f97a089b6d0e7463a5062fb29a002fc9b1d025 (patch)
tree230cc1806596ef43e7ae00c3f1305be52705b69a /drivers/gpu/drm/nouveau
parentdrm/nouveau/bios: parse another large chunk of random memory config data (diff)
downloadlinux-b6f97a089b6d0e7463a5062fb29a002fc9b1d025.tar.xz
linux-b6f97a089b6d0e7463a5062fb29a002fc9b1d025.zip
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/gpu/drm/nouveau')
-rw-r--r--drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c99
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 afde4c1d6a4b..37d97773e190 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;