[Bug 100918] [APL] igt/gem_workarounds test failed in suspend_resume Subtest
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Thu May 4 16:19:48 UTC 2017
https://bugs.freedesktop.org/show_bug.cgi?id=100918
--- Comment #6 from Tvrtko Ursulin <tvrtko.ursulin at linux.intel.com> ---
I tried the test on SKL and it seems to work fine there. So I went to
eyeballing the code but did not in the first pass spot any reasons the cited
commit would be bad.
Dmesg is a bit noisy on the other hand. You got these two warns triggered by
suspend resume - is this normal on BXT?
[ 192.355269] [drm:skl_set_power_well [i915]] Disabling power well 1
[ 192.359796] [drm:skl_set_power_well [i915]] *ERROR* power well 1 disable
timeout
[ 192.359809] ------------[ cut here ]------------
[ 192.359881] WARNING: CPU: 0 PID: 680 at
drivers/gpu/drm/i915/intel_runtime_pm.c:503 bxt_enable_dc9+0x11e/0x160 [i915]
[ 192.359883] Power well on.
[ 193.227743] [drm:gen8_reset_engines [i915]] *ERROR* rcs0: reset request
timeout
[ 193.227786] ------------[ cut here ]------------
[ 193.227840] WARNING: CPU: 0 PID: 693 at drivers/gpu/drm/i915/i915_gem.c:4493
i915_gem_sanitize+0x4a/0x50 [i915]
[ 193.227841] WARN_ON(reset && reset != -19)
Worth trying without decoupled mmio perhaps?
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index f80db2ccd92f..df6551609d1f 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -385,7 +385,7 @@ static const struct intel_device_info
intel_skylake_gt3_info = {
.has_gmbus_irq = 1, \
.has_logical_ring_contexts = 1, \
.has_guc = 1, \
- .has_decoupled_mmio = 1, \
+ .has_decoupled_mmio = 0, \
.has_aliasing_ppgtt = 1, \
.has_full_ppgtt = 1, \
.has_full_48bit_ppgtt = 1, \
--
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