drm/nva3/pm: initial attempt at handling 111100/111104

Probably not quite right, but this is enough now to make NVS300 reclock
between all 3 of its perflvls correctly.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nva3_pm.c b/drivers/gpu/drm/nouveau/nva3_pm.c
index 3a237887961e..8cbe59a8852b 100644
--- a/drivers/gpu/drm/nouveau/nva3_pm.c
+++ b/drivers/gpu/drm/nouveau/nva3_pm.c
@@ -456,6 +456,9 @@ mclk_timing_set(struct nouveau_mem_exec_func *exec)
                 if (info->ramcfg[2] & 0x02)
                         unk718 |= 0x00000100;
                 nv_wr32(dev, 0x100718, unk718);
+
+                if (info->ramcfg[2] & 0x10)
+                        nv_wr32(dev, 0x111100, 0x48000000); /*XXX*/
         }
 }
 
@@ -498,15 +501,33 @@ prog_mem(struct drm_device *dev, struct nva3_pm_state *info)
                 nv_mask(dev, 0x004168, 0x003f3141, ctrl);
         }
 
+        if (info->ramcfg) {
+                if (info->ramcfg[2] & 0x10) {
+                        nv_mask(dev, 0x111104, 0x00000600, 0x00000000);
+                } else {
+                        nv_mask(dev, 0x111100, 0x40000000, 0x40000000);
+                        nv_mask(dev, 0x111104, 0x00000180, 0x00000000);
+                }
+        }
         if (info->rammap && !(info->rammap[4] & 0x02))
                 nv_mask(dev, 0x100200, 0x00000800, 0x00000000);
         nv_wr32(dev, 0x611200, 0x00003300);
+        if (!(info->ramcfg[2] & 0x10))
+                nv_wr32(dev, 0x111100, 0x4c020000); /*XXX*/
 
         nouveau_mem_exec(&exec, info->perflvl);
 
         nv_wr32(dev, 0x611200, 0x00003330);
         if (info->rammap && (info->rammap[4] & 0x02))
                 nv_mask(dev, 0x100200, 0x00000800, 0x00000800);
+        if (info->ramcfg) {
+                if (info->ramcfg[2] & 0x10) {
+                        nv_mask(dev, 0x111104, 0x00000180, 0x00000180);
+                        nv_mask(dev, 0x111100, 0x40000000, 0x00000000);
+                } else {
+                        nv_mask(dev, 0x111104, 0x00000600, 0x00000600);
+                }
+        }
 
         if (info->mclk.pll) {
                 nv_mask(dev, 0x004168, 0x00000001, 0x00000000);