drm/i915: Drop redundant GGTT rebinding

Since

commit bf3d149b25f67f241735b91a56b7f070bc0a5407
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Fri Feb 14 14:01:12 2014 +0100

    drm/i915: split PIN_GLOBAL out from PIN_MAPPABLE

i915_gem_obj_ggtt_pin always binds into the ggtt, but I've forgotten
to remove the now redundant additional bind call later on. Fix this
up.

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>

diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c
index e4c57a3981b35ec78409a546762af75cc482320d..dd5bff657c9c85625ef3eb5ccc3c39ec56bc39d5 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/i915_gem_context.c
@@ -638,7 +638,6 @@ static int do_switch(struct intel_engine_cs *ring,
        struct intel_context *from = ring->last_context;
        u32 hw_flags = 0;
        bool uninitialized = false;
-       struct i915_vma *vma;
        int ret, i;
 
        if (from != NULL && ring == &dev_priv->ring[RCS]) {
@@ -696,16 +695,6 @@ static int do_switch(struct intel_engine_cs *ring,
        if (ret)
                goto unpin_out;
 
-       vma = i915_gem_obj_to_ggtt(to->legacy_hw_ctx.rcs_state);
-       if (!(vma->bound & GLOBAL_BIND)) {
-               ret = i915_vma_bind(vma,
-                                   to->legacy_hw_ctx.rcs_state->cache_level,
-                                   GLOBAL_BIND);
-               /* This shouldn't ever fail. */
-               if (WARN_ONCE(ret, "GGTT context bind failed!"))
-                       goto unpin_out;
-       }
-
        if (!to->legacy_hw_ctx.initialized) {
                hw_flags |= MI_RESTORE_INHIBIT;
                /* NB: If we inhibit the restore, the context is not allowed to