From: Jakob Bornecrantz <wallbraker@gmail.com>
Date: Wed, 23 Sep 2009 18:54:22 +0000 (-0700)
Subject: i915g: Make sure to map tiled buffers via the gtt
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=5aecddc1532d6c7f5095145a50eed0405ea2bda4;p=mesa.git

i915g: Make sure to map tiled buffers via the gtt
---

diff --git a/src/gallium/winsys/drm/intel/gem/intel_drm_api.c b/src/gallium/winsys/drm/intel/gem/intel_drm_api.c
index 46fdc9f92b2..8b647a769b5 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_drm_api.c
+++ b/src/gallium/winsys/drm/intel/gem/intel_drm_api.c
@@ -41,6 +41,7 @@ intel_drm_buffer_from_handle(struct intel_drm_winsys *idws,
                              const char* name, unsigned handle)
 {
    struct intel_drm_buffer *buf = CALLOC_STRUCT(intel_drm_buffer);
+   uint32_t tile = 0, swizzle = 0;
 
    if (!buf)
       return NULL;
@@ -53,6 +54,10 @@ intel_drm_buffer_from_handle(struct intel_drm_winsys *idws,
    if (!buf->bo)
       goto err;
 
+   drm_intel_bo_get_tiling(buf->bo, &tile, &swizzle);
+   if (tile != INTEL_TILE_NONE)
+      buf->map_gtt = TRUE;
+
    return (struct intel_buffer *)buf;
 
 err:
diff --git a/src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c b/src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c
index 0030f915a36..327e19fcd68 100644
--- a/src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c
+++ b/src/gallium/winsys/drm/intel/gem/intel_drm_buffer.c
@@ -58,11 +58,17 @@ intel_drm_buffer_set_fence_reg(struct intel_winsys *iws,
                                unsigned stride,
                                enum intel_buffer_tile tile)
 {
+   struct intel_drm_buffer *buf = intel_drm_buffer(buffer);
    assert(I915_TILING_NONE == INTEL_TILE_NONE);
    assert(I915_TILING_X == INTEL_TILE_X);
    assert(I915_TILING_Y == INTEL_TILE_Y);
 
-   return drm_intel_bo_set_tiling(intel_bo(buffer), &tile, stride);
+   if (tile != INTEL_TILE_NONE) {
+      assert(buf->map_count == 0);
+      buf->map_gtt = TRUE;
+   }
+
+   return drm_intel_bo_set_tiling(buf->bo, &tile, stride);
 }
 
 static void *