Add support for the new DRM memory manager.

Some code are duplicated with the new libdrm.
Once this code has been released with xserver,
it can be removed.

See the man page for new options and backwards
3D driver compatibility.

1 files changed, 45 insertions, 31 deletions

diff --git a/src/i830_memory.c b/src/i830_memory.c
index 2d09b2d4..09ef5be8 100644
--- a/src/i830_memory.c
+++ b/src/i830_memory.c
@@ -1107,6 +1107,12 @@ I830ResetAllocations(ScrnInfoPtr pScrn, const int flags)
    pI830->MemoryAperture.Start = pI830->StolenMemory.End;
    pI830->MemoryAperture.End = pI830->FbMapSize;
    pI830->MemoryAperture.Size = pI830->FbMapSize - pI830->StolenMemory.Size;
+#ifdef XF86DRI
+   if (!pI830->directRenderingDisabled) {
+      pI830->MemoryAperture.End -= KB(pI830->mmSize);
+      pI830->MemoryAperture.Size -= KB(pI830->mmSize);
+   }
+#endif
    pI830->StolenPool.Fixed = pI830->StolenMemory;
    pI830->StolenPool.Total = pI830->StolenMemory;
 #if ALLOCATE_ALL_BIOSMEM
@@ -1286,37 +1292,41 @@ I830AllocateTextureMemory(ScrnInfoPtr pScrn, const int flags)
    /* Allocate the remaining space for textures. */
    memset(&(pI830->TexMem), 0, sizeof(pI830->TexMem));
    pI830->TexMem.Key = -1;
-   size = GetFreeSpace(pScrn);
-   if (dryrun && (size < MB(1)))
-      size = MB(1);
-   i = myLog2(size / I830_NR_TEX_REGIONS);
-   if (i < I830_LOG_MIN_TEX_REGION_SIZE)
-      i = I830_LOG_MIN_TEX_REGION_SIZE;
-   pI830->TexGranularity = i;
-   /* Truncate size */
-   size >>= i;
-   size <<= i;
-   if (size < KB(512)) {
-      if (!dryrun) {
-	 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
-		"Less than 512 kBytes for texture space (real %ld kBytes).\n", 
-		size / 1024);
+
+   if (pI830->mmModeFlags & I830_KERNEL_TEX) {
+
+      size = GetFreeSpace(pScrn);
+      if (dryrun && (size < MB(1)))
+	 size = MB(1);
+      i = myLog2(size / I830_NR_TEX_REGIONS);
+      if (i < I830_LOG_MIN_TEX_REGION_SIZE)
+	 i = I830_LOG_MIN_TEX_REGION_SIZE;
+      pI830->TexGranularity = i;
+      /* Truncate size */
+      size >>= i;
+      size <<= i;
+      if (size < KB(512)) {
+	 if (!dryrun) {
+	    xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+		       "Less than 512 kBytes for texture space (real %ld kBytes).\n", 
+		       size / 1024);
+	 }
+	 return FALSE;
       }
-      return FALSE;
-   }
-   alloced = I830AllocVidMem(pScrn, &(pI830->TexMem),
-			     &(pI830->StolenPool), size, GTT_PAGE_SIZE,
-			     flags | FROM_ANYWHERE | ALLOCATE_AT_TOP);
-   if (alloced < size) {
-      if (!dryrun) {
-	 xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
-		    "Failed to allocate texture space.\n");
+      alloced = I830AllocVidMem(pScrn, &(pI830->TexMem),
+				&(pI830->StolenPool), size, GTT_PAGE_SIZE,
+				flags | FROM_ANYWHERE | ALLOCATE_AT_TOP);
+      if (alloced < size) {
+	 if (!dryrun) {
+	    xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
+		       "Failed to allocate texture space.\n");
+	 }
+	 return FALSE;
       }
-      return FALSE;
+      xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
+		     "%sAllocated %ld kB for textures at 0x%lx\n", s,
+		     alloced / 1024, pI830->TexMem.Start);
    }
-   xf86DrvMsgVerb(pScrn->scrnIndex, X_INFO, verbosity,
-		  "%sAllocated %ld kB for textures at 0x%lx\n", s,
-		  alloced / 1024, pI830->TexMem.Start);
 
    return TRUE;
 }
@@ -1514,7 +1524,9 @@ I830FixupOffsets(ScrnInfoPtr pScrn)
       I830FixOffset(pScrn, &(pI830->ContextMem));
       I830FixOffset(pScrn, &(pI830->BackBuffer));
       I830FixOffset(pScrn, &(pI830->DepthBuffer));
-      I830FixOffset(pScrn, &(pI830->TexMem));
+      if (pI830->mmModeFlags & I830_KERNEL_TEX) {
+	 I830FixOffset(pScrn, &(pI830->TexMem));
+      }
    }
 #endif
    return TRUE;
@@ -1913,7 +1925,8 @@ I830BindAGPMemory(ScrnInfoPtr pScrn)
 	    return FALSE;
 	 if (!BindMemRange(pScrn, &(pI830->DepthBuffer)))
 	    return FALSE;
-	 if (!BindMemRange(pScrn, &(pI830->TexMem)))
+	 if ((pI830->mmModeFlags & I830_KERNEL_TEX) && 
+	     !BindMemRange(pScrn, &(pI830->TexMem)))
 	    return FALSE;
       }
 #endif
@@ -1997,7 +2010,8 @@ I830UnbindAGPMemory(ScrnInfoPtr pScrn)
 	    return FALSE;
 	 if (!UnbindMemRange(pScrn, &(pI830->DepthBuffer)))
 	    return FALSE;
-	 if (!UnbindMemRange(pScrn, &(pI830->TexMem)))
+	 if ((pI830->mmModeFlags & I830_KERNEL_TEX) && 
+	     !UnbindMemRange(pScrn, &(pI830->TexMem)))
 	    return FALSE;
       }
 #endif