aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/i915/intel_breadcrumbs.c
diff options
context:
space:
mode:
authorChris Wilson <chris@chris-wilson.co.uk>2017-02-28 08:50:18 +0000
committerChris Wilson <chris@chris-wilson.co.uk>2017-02-28 10:09:06 +0000
commit80166e406e4b88e49b5091cec1ac6b03b6f372ed (patch)
treeabc14dff109096b489fab947c5cb296d2e16208b /drivers/gpu/drm/i915/intel_breadcrumbs.c
parentdrm/i915/glk: Validate only DSI PORT A PLL divider (diff)
downloadlinux-dev-80166e406e4b88e49b5091cec1ac6b03b6f372ed.tar.xz
linux-dev-80166e406e4b88e49b5091cec1ac6b03b6f372ed.zip
drm/i915: Consolidate reporting of "missed breadcrumbs"
Move the setting of gpu_error->missed_irq_ring bit to a common function so that we can get the debug logging for either path. v2: Add %pF caller Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170228085018.3225-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_breadcrumbs.c')
-rw-r--r--drivers/gpu/drm/i915/intel_breadcrumbs.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_breadcrumbs.c b/drivers/gpu/drm/i915/intel_breadcrumbs.c
index 7c7867d65a39..5752f23fd289 100644
--- a/drivers/gpu/drm/i915/intel_breadcrumbs.c
+++ b/drivers/gpu/drm/i915/intel_breadcrumbs.c
@@ -59,6 +59,16 @@ static unsigned long wait_timeout(void)
return round_jiffies_up(jiffies + DRM_I915_HANGCHECK_JIFFIES);
}
+static noinline void missed_breadcrumb(struct intel_engine_cs *engine)
+{
+ DRM_DEBUG_DRIVER("%s missed breadcrumb at %pF, irq posted? %s\n",
+ engine->name, __builtin_return_address(0),
+ yesno(test_bit(ENGINE_IRQ_BREADCRUMB,
+ &engine->irq_posted)));
+
+ set_bit(engine->id, &engine->i915->gpu_error.missed_irq_rings);
+}
+
static void intel_breadcrumbs_hangcheck(unsigned long data)
{
struct intel_engine_cs *engine = (struct intel_engine_cs *)data;
@@ -86,8 +96,7 @@ static void intel_breadcrumbs_hangcheck(unsigned long data)
* DRM_I915_HANGCHECK_JIFFIES [1.5s]!
*/
if (intel_engine_wakeup(engine) & ENGINE_WAKEUP_ASLEEP) {
- DRM_DEBUG("Hangcheck timer elapsed... %s idle\n", engine->name);
- set_bit(engine->id, &engine->i915->gpu_error.missed_irq_rings);
+ missed_breadcrumb(engine);
mod_timer(&engine->breadcrumbs.fake_irq, jiffies + 1);
} else {
mod_timer(&b->hangcheck, wait_timeout());
@@ -180,7 +189,7 @@ void intel_engine_disarm_breadcrumbs(struct intel_engine_cs *engine)
* completion.
*/
if (__intel_breadcrumbs_wakeup(b) & ENGINE_WAKEUP_ASLEEP)
- set_bit(engine->id, &engine->i915->gpu_error.missed_irq_rings);
+ missed_breadcrumb(engine);
__intel_engine_disarm_breadcrumbs(engine);