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drm/i915: Use i915_hw_context to set reset stats

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With full ppgtt support drm_i915_file_private gained knowledge
about the default context. Also reset stats are now inside
i915_hw_context so we can use proper abstraction.

v2: Move BUG_ON and WARN_ON to more proper locations (Ben)

v3: Pass dev directly to i915_context_is_banned to avoid the need to
dereference ctx->last_ring. Spotted by Mika when checking my
s/BUG/WARN/ change, I've missed this ->last_ring dereference.

Suggested-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com> (v2)
Reviewed-by: Ben Widawsky <ben@bwidawsk.net> (v2)
[danvet: s/BUG/WARN/]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Mika Kuoppala 2014-01-30 16:01:15 +02:00 committed by Daniel Vetter
parent 116f2b6da8
commit 44e2c0705a
1 changed files with 22 additions and 20 deletions
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42
drivers/gpu/drm/i915/i915_gem.c
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@ -2305,11 +2305,15 @@ static bool i915_request_guilty(struct drm_i915_gem_request *request,
return false;
}
static bool i915_context_is_banned(const struct i915_ctx_hang_stats *hs)
static bool i915_context_is_banned(struct drm_device *dev,
const struct i915_hw_context *ctx)
{
const unsigned long elapsed = get_seconds() - hs->guilty_ts;
struct drm_i915_private *dev_priv = to_i915(dev);
unsigned long elapsed;
if (hs->banned)
elapsed = get_seconds() - ctx->hang_stats.guilty_ts;
if (ctx->hang_stats.banned)
return true;
if (elapsed <= DRM_I915_CTX_BAN_PERIOD) {
@ -2324,9 +2328,13 @@ static void i915_set_reset_status(struct intel_ring_buffer *ring,
struct drm_i915_gem_request *request,
u32 acthd)
{
struct i915_ctx_hang_stats *hs = NULL;
bool inside, guilty;
unsigned long offset = 0;
struct i915_hw_context *ctx = request->ctx;
struct i915_ctx_hang_stats *hs;
if (WARN_ON(!ctx))
return;
/* Innocent until proven guilty */
guilty = false;
@ -2341,28 +2349,22 @@ static void i915_set_reset_status(struct intel_ring_buffer *ring,
ring->name,
inside ? "inside" : "flushing",
offset,
request->ctx ? request->ctx->id : 0,
ctx->id,
acthd);
guilty = true;
}
/* If contexts are disabled or this is the default context, use
* file_priv->reset_state
*/
if (request->ctx && request->ctx->id != DEFAULT_CONTEXT_ID)
hs = &request->ctx->hang_stats;
else if (request->file_priv)
hs = &request->file_priv->private_default_ctx->hang_stats;
WARN_ON(!ctx->last_ring);
if (hs) {
if (guilty) {
hs->banned = i915_context_is_banned(hs);
hs->batch_active++;
hs->guilty_ts = get_seconds();
} else {
hs->batch_pending++;
}
hs = &ctx->hang_stats;
if (guilty) {
hs->banned = i915_context_is_banned(ring->dev, ctx);
hs->batch_active++;
hs->guilty_ts = get_seconds();
} else {
hs->batch_pending++;
}
}