msm: kgsl: Track GPU device resets
Keep track of the number of times the GPU power rails have been
cycled and provide said number to the user in the device sysfs
directory.
Change-Id: Ic0dedbad4489524a98e52b9993131257068ae2ef
Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
diff --git a/drivers/gpu/msm/adreno.c b/drivers/gpu/msm/adreno.c
index e85bead..9f4bb88 100644
--- a/drivers/gpu/msm/adreno.c
+++ b/drivers/gpu/msm/adreno.c
@@ -1300,14 +1300,22 @@
device->ftbl->irqctrl(device, 1);
status = adreno_ringbuffer_start(&adreno_dev->ringbuffer, init_ram);
- if (status == 0) {
- /* While fault tolerance is on we do not want timer to
- * fire and attempt to change any device state */
- if (KGSL_STATE_DUMP_AND_FT != device->state)
- mod_timer(&device->idle_timer, jiffies + FIRST_TIMEOUT);
- return 0;
- }
+ if (status)
+ goto error_irq_off;
+ /*
+ * While recovery is on we do not want timer to
+ * fire and attempt to change any device state
+ */
+
+ if (KGSL_STATE_DUMP_AND_FT != device->state)
+ mod_timer(&device->idle_timer, jiffies + FIRST_TIMEOUT);
+
+ device->reset_counter++;
+
+ return 0;
+
+error_irq_off:
kgsl_pwrctrl_irq(device, KGSL_PWRFLAGS_OFF);
error_mmu_off: