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drm/i915: make reset&hangcheck code VM aware 

Hangcheck, and some of the recent reset code for guilty batches need to
know which address space the object was in at the time of a hangcheck.
This is because we use offsets in the (PP|G)GTT to determine this
information, and those offsets can differ depending on which VM they are
bound into.

Since we still only have 1 VM ever, this code shouldn't yet have any
impact.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky 2013-07-31 17:00:05 -07:00 committed by Daniel Vetter
parent 3e12302705
commit d1ccbb5d71
1 changed files with 23 additions and 7 deletions
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30
drivers/gpu/drm/i915/i915_gem.c
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@ -2119,10 +2119,11 @@ i915_gem_request_remove_from_client(struct drm_i915_gem_request *request)
spin_unlock(&file_priv->mm.lock);
}
static bool i915_head_inside_object(u32 acthd, struct drm_i915_gem_object *obj)
static bool i915_head_inside_object(u32 acthd, struct drm_i915_gem_object *obj,
struct i915_address_space *vm)
{
if (acthd >= i915_gem_obj_ggtt_offset(obj) &&
acthd < i915_gem_obj_ggtt_offset(obj) + obj->base.size)
if (acthd >= i915_gem_obj_offset(obj, vm) &&
acthd < i915_gem_obj_offset(obj, vm) + obj->base.size)
return true;
return false;
@ -2145,6 +2146,17 @@ static bool i915_head_inside_request(const u32 acthd_unmasked,
return false;
}
static struct i915_address_space *
request_to_vm(struct drm_i915_gem_request *request)
{
struct drm_i915_private *dev_priv = request->ring->dev->dev_private;
struct i915_address_space *vm;
vm = &dev_priv->gtt.base;
return vm;
}
static bool i915_request_guilty(struct drm_i915_gem_request *request,
const u32 acthd, bool *inside)
{
@ -2152,9 +2164,9 @@ static bool i915_request_guilty(struct drm_i915_gem_request *request,
* pointing inside the ring, matches the batch_obj address range.
* However this is extremely unlikely.
*/
if (request->batch_obj) {
if (i915_head_inside_object(acthd, request->batch_obj)) {
if (i915_head_inside_object(acthd, request->batch_obj,
request_to_vm(request))) {
*inside = true;
return true;
}
@ -2174,17 +2186,21 @@ static void i915_set_reset_status(struct intel_ring_buffer *ring,
{
struct i915_ctx_hang_stats *hs = NULL;
bool inside, guilty;
unsigned long offset = 0;
/* Innocent until proven guilty */
guilty = false;
if (request->batch_obj)
offset = i915_gem_obj_offset(request->batch_obj,
request_to_vm(request));
if (ring->hangcheck.action != wait &&
i915_request_guilty(request, acthd, &inside)) {
DRM_ERROR("%s hung %s bo (0x%lx ctx %d) at 0x%x\n",
ring->name,
inside ? "inside" : "flushing",
request->batch_obj ?
i915_gem_obj_ggtt_offset(request->batch_obj) : 0,
offset,
request->ctx ? request->ctx->id : 0,
acthd);