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authorKenneth Graunke <kenneth@whitecape.org>2013-04-05 23:59:52 -0700
committerKenneth Graunke <kenneth@whitecape.org>2013-04-08 11:03:08 -0700
commit394edb5af5161f664c0c3b4eaba9be4e30f3c138 (patch)
tree0c08e8aa51bc016bda4963e121b253abd22012ea
parentd7fd5696e66a7fe0212f057443679b080c87d483 (diff)
intel: Require kernel 2.6.39 for relaxed relocation support.
Chris Wilson's relaxed relocation patch landed in March 2011. Anyone running pre-3.0 kernels probably isn't going to get the latest Mesa anyway. Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Eric Anholt <eric@anholt.net>
-rw-r--r--src/mesa/drivers/dri/i965/brw_draw_upload.c2
-rw-r--r--src/mesa/drivers/dri/intel/intel_screen.c7
2 files changed, 4 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_draw_upload.c b/src/mesa/drivers/dri/i965/brw_draw_upload.c
index 07f9f004fb8..d2451f9c9ed 100644
--- a/src/mesa/drivers/dri/i965/brw_draw_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_draw_upload.c
@@ -517,8 +517,6 @@ static void brw_prepare_vertices(struct brw_context *brw)
brw->vb.start_vertex_bias = -delta;
delta = 0;
}
- if (delta && !brw->intel.intelScreen->relaxed_relocations)
- min_index = delta = 0;
/* Handle any arrays to be uploaded. */
if (nr_uploads > 1) {
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index 3ca10c8e534..eb451ba546b 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -1008,9 +1008,10 @@ intel_init_bufmgr(struct intel_screen *intelScreen)
drm_intel_bufmgr_gem_enable_fenced_relocs(intelScreen->bufmgr);
- intelScreen->relaxed_relocations = 0;
- intelScreen->relaxed_relocations |=
- intel_get_boolean(spriv, I915_PARAM_HAS_RELAXED_DELTA) << 0;
+ if (!intel_get_boolean(spriv, I915_PARAM_HAS_RELAXED_DELTA)) {
+ fprintf(stderr, "[%s: %u] Kernel 2.6.39 required.\n", __func__, __LINE__);
+ return false;
+ }
return true;
}