Merge branch 'imx-for-2.6.38' of git://git.pengutronix.de/git/ukl/linux-2.6 into...
[pandora-kernel.git] / drivers / gpu / drm / nouveau / nouveau_mem.c
index a885cd0..fe4a30d 100644 (file)
@@ -33,7 +33,9 @@
 #include "drmP.h"
 #include "drm.h"
 #include "drm_sarea.h"
+
 #include "nouveau_drv.h"
+#include "nouveau_pm.h"
 
 /*
  * NV10-NV40 tiling helpers
@@ -47,18 +49,14 @@ nv10_mem_set_region_tiling(struct drm_device *dev, int i, uint32_t addr,
        struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
        struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
        struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
-       struct nouveau_tile_reg *tile = &dev_priv->tile.reg[i];
+       struct nouveau_tile_reg *tile = &dev_priv->tile[i];
 
        tile->addr = addr;
        tile->size = size;
        tile->used = !!pitch;
        nouveau_fence_unref((void **)&tile->fence);
 
-       if (!pfifo->cache_flush(dev))
-               return;
-
        pfifo->reassign(dev, false);
-       pfifo->cache_flush(dev);
        pfifo->cache_pull(dev, false);
 
        nouveau_wait_for_idle(dev);
@@ -76,34 +74,36 @@ nv10_mem_set_tiling(struct drm_device *dev, uint32_t addr, uint32_t size,
 {
        struct drm_nouveau_private *dev_priv = dev->dev_private;
        struct nouveau_fb_engine *pfb = &dev_priv->engine.fb;
-       struct nouveau_tile_reg *tile = dev_priv->tile.reg, *found = NULL;
-       int i;
+       struct nouveau_tile_reg *found = NULL;
+       unsigned long i, flags;
 
-       spin_lock(&dev_priv->tile.lock);
+       spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
 
        for (i = 0; i < pfb->num_tiles; i++) {
-               if (tile[i].used)
+               struct nouveau_tile_reg *tile = &dev_priv->tile[i];
+
+               if (tile->used)
                        /* Tile region in use. */
                        continue;
 
-               if (tile[i].fence &&
-                   !nouveau_fence_signalled(tile[i].fence, NULL))
+               if (tile->fence &&
+                   !nouveau_fence_signalled(tile->fence, NULL))
                        /* Pending tile region. */
                        continue;
 
-               if (max(tile[i].addr, addr) <
-                   min(tile[i].addr + tile[i].size, addr + size))
+               if (max(tile->addr, addr) <
+                   min(tile->addr + tile->size, addr + size))
                        /* Kill an intersecting tile region. */
                        nv10_mem_set_region_tiling(dev, i, 0, 0, 0);
 
                if (pitch && !found) {
                        /* Free tile region. */
                        nv10_mem_set_region_tiling(dev, i, addr, size, pitch);
-                       found = &tile[i];
+                       found = tile;
                }
        }
 
-       spin_unlock(&dev_priv->tile.lock);
+       spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
 
        return found;
 }
@@ -175,11 +175,10 @@ nv50_mem_vm_bind_linear(struct drm_device *dev, uint64_t virt, uint32_t size,
                        }
                }
        }
-       dev_priv->engine.instmem.flush(dev);
 
-       nv50_vm_flush(dev, 5);
-       nv50_vm_flush(dev, 0);
-       nv50_vm_flush(dev, 4);
+       dev_priv->engine.instmem.flush(dev);
+       dev_priv->engine.fifo.tlb_flush(dev);
+       dev_priv->engine.graph.tlb_flush(dev);
        nv50_vm_flush(dev, 6);
        return 0;
 }
@@ -209,11 +208,10 @@ nv50_mem_vm_unbind(struct drm_device *dev, uint64_t virt, uint32_t size)
                        pte++;
                }
        }
-       dev_priv->engine.instmem.flush(dev);
 
-       nv50_vm_flush(dev, 5);
-       nv50_vm_flush(dev, 0);
-       nv50_vm_flush(dev, 4);
+       dev_priv->engine.instmem.flush(dev);
+       dev_priv->engine.fifo.tlb_flush(dev);
+       dev_priv->engine.graph.tlb_flush(dev);
        nv50_vm_flush(dev, 6);
 }
 
@@ -430,6 +428,16 @@ get_agp_mode(struct drm_device *dev, unsigned long mode)
        if (dev_priv->chipset == 0x18)
                mode &= ~PCI_AGP_COMMAND_FW;
 
+       /*
+        * AGP mode set in the command line.
+        */
+       if (nouveau_agpmode > 0) {
+               bool agpv3 = mode & 0x8;
+               int rate = agpv3 ? nouveau_agpmode / 4 : nouveau_agpmode;
+
+               mode = (mode & ~0x7) | (rate & 0x7);
+       }
+
        return mode;
 }
 #endif
@@ -558,8 +566,6 @@ nouveau_mem_vram_init(struct drm_device *dev)
                return ret;
        }
 
-       spin_lock_init(&dev_priv->tile.lock);
-
        dev_priv->fb_available_size = dev_priv->vram_size;
        dev_priv->fb_mappable_pages = dev_priv->fb_available_size;
        if (dev_priv->fb_mappable_pages > pci_resource_len(dev->pdev, 1))
@@ -613,7 +619,7 @@ nouveau_mem_gart_init(struct drm_device *dev)
        dev_priv->gart_info.type = NOUVEAU_GART_NONE;
 
 #if !defined(__powerpc__) && !defined(__ia64__)
-       if (drm_device_is_agp(dev) && dev->agp && !nouveau_noagp) {
+       if (drm_device_is_agp(dev) && dev->agp && nouveau_agpmode) {
                ret = nouveau_mem_init_agp(dev);
                if (ret)
                        NV_ERROR(dev, "Error initialising AGP: %d\n", ret);
@@ -642,3 +648,154 @@ nouveau_mem_gart_init(struct drm_device *dev)
        return 0;
 }
 
+void
+nouveau_mem_timing_init(struct drm_device *dev)
+{
+       /* cards < NVC0 only */
+       struct drm_nouveau_private *dev_priv = dev->dev_private;
+       struct nouveau_pm_engine *pm = &dev_priv->engine.pm;
+       struct nouveau_pm_memtimings *memtimings = &pm->memtimings;
+       struct nvbios *bios = &dev_priv->vbios;
+       struct bit_entry P;
+       u8 tUNK_0, tUNK_1, tUNK_2;
+       u8 tRP;         /* Byte 3 */
+       u8 tRAS;        /* Byte 5 */
+       u8 tRFC;        /* Byte 7 */
+       u8 tRC;         /* Byte 9 */
+       u8 tUNK_10, tUNK_11, tUNK_12, tUNK_13, tUNK_14;
+       u8 tUNK_18, tUNK_19, tUNK_20, tUNK_21;
+       u8 *mem = NULL, *entry;
+       int i, recordlen, entries;
+
+       if (bios->type == NVBIOS_BIT) {
+               if (bit_table(dev, 'P', &P))
+                       return;
+
+               if (P.version == 1)
+                       mem = ROMPTR(bios, P.data[4]);
+               else
+               if (P.version == 2)
+                       mem = ROMPTR(bios, P.data[8]);
+               else {
+                       NV_WARN(dev, "unknown mem for BIT P %d\n", P.version);
+               }
+       } else {
+               NV_DEBUG(dev, "BMP version too old for memory\n");
+               return;
+       }
+
+       if (!mem) {
+               NV_DEBUG(dev, "memory timing table pointer invalid\n");
+               return;
+       }
+
+       if (mem[0] != 0x10) {
+               NV_WARN(dev, "memory timing table 0x%02x unknown\n", mem[0]);
+               return;
+       }
+
+       /* validate record length */
+       entries   = mem[2];
+       recordlen = mem[3];
+       if (recordlen < 15) {
+               NV_ERROR(dev, "mem timing table length unknown: %d\n", mem[3]);
+               return;
+       }
+
+       /* parse vbios entries into common format */
+       memtimings->timing =
+               kcalloc(entries, sizeof(*memtimings->timing), GFP_KERNEL);
+       if (!memtimings->timing)
+               return;
+
+       entry = mem + mem[1];
+       for (i = 0; i < entries; i++, entry += recordlen) {
+               struct nouveau_pm_memtiming *timing = &pm->memtimings.timing[i];
+               if (entry[0] == 0)
+                       continue;
+
+               tUNK_18 = 1;
+               tUNK_19 = 1;
+               tUNK_20 = 0;
+               tUNK_21 = 0;
+               switch (min(recordlen, 22)) {
+               case 22:
+                       tUNK_21 = entry[21];
+               case 21:
+                       tUNK_20 = entry[20];
+               case 20:
+                       tUNK_19 = entry[19];
+               case 19:
+                       tUNK_18 = entry[18];
+               default:
+                       tUNK_0  = entry[0];
+                       tUNK_1  = entry[1];
+                       tUNK_2  = entry[2];
+                       tRP     = entry[3];
+                       tRAS    = entry[5];
+                       tRFC    = entry[7];
+                       tRC     = entry[9];
+                       tUNK_10 = entry[10];
+                       tUNK_11 = entry[11];
+                       tUNK_12 = entry[12];
+                       tUNK_13 = entry[13];
+                       tUNK_14 = entry[14];
+                       break;
+               }
+
+               timing->reg_100220 = (tRC << 24 | tRFC << 16 | tRAS << 8 | tRP);
+
+               /* XXX: I don't trust the -1's and +1's... they must come
+                *      from somewhere! */
+               timing->reg_100224 = ((tUNK_0 + tUNK_19 + 1) << 24 |
+                                     tUNK_18 << 16 |
+                                     (tUNK_1 + tUNK_19 + 1) << 8 |
+                                     (tUNK_2 - 1));
+
+               timing->reg_100228 = (tUNK_12 << 16 | tUNK_11 << 8 | tUNK_10);
+               if(recordlen > 19) {
+                       timing->reg_100228 += (tUNK_19 - 1) << 24;
+               }/* I cannot back-up this else-statement right now
+                        else {
+                       timing->reg_100228 += tUNK_12 << 24;
+               }*/
+
+               /* XXX: reg_10022c */
+               timing->reg_10022c = tUNK_2 - 1;
+
+               timing->reg_100230 = (tUNK_20 << 24 | tUNK_21 << 16 |
+                                     tUNK_13 << 8  | tUNK_13);
+
+               /* XXX: +6? */
+               timing->reg_100234 = (tRAS << 24 | (tUNK_19 + 6) << 8 | tRC);
+               timing->reg_100234 += max(tUNK_10,tUNK_11) << 16;
+
+               /* XXX; reg_100238, reg_10023c
+                * reg: 0x00??????
+                * reg_10023c:
+                *      0 for pre-NV50 cards
+                *      0x????0202 for NV50+ cards (empirical evidence) */
+               if(dev_priv->card_type >= NV_50) {
+                       timing->reg_10023c = 0x202;
+               }
+
+               NV_DEBUG(dev, "Entry %d: 220: %08x %08x %08x %08x\n", i,
+                        timing->reg_100220, timing->reg_100224,
+                        timing->reg_100228, timing->reg_10022c);
+               NV_DEBUG(dev, "         230: %08x %08x %08x %08x\n",
+                        timing->reg_100230, timing->reg_100234,
+                        timing->reg_100238, timing->reg_10023c);
+       }
+
+       memtimings->nr_timing  = entries;
+       memtimings->supported = true;
+}
+
+void
+nouveau_mem_timing_fini(struct drm_device *dev)
+{
+       struct drm_nouveau_private *dev_priv = dev->dev_private;
+       struct nouveau_pm_memtimings *mem = &dev_priv->engine.pm.memtimings;
+
+       kfree(mem->timing);
+}