[Bug 107382] [CI][BAT] igt@*(s3|suspend|s4|hibernate)* - dmesg-warn - *ERROR* power well DC off state mismatch (refcount 0/enabled 1)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107382

--- Comment #2 from Imre Deak <imre.deak at intel.com> ---
(In reply to Chris Wilson from comment #1)
> See https://patchwork.freedesktop.org/patch/244251/

Hm, how? I think the problem is that we depend on HAS_CSR being 1 on platforms
with a DC_OFF powerwell (even if the FW won't load), otherwise we'll try to
toggle DC_OFF which is incorrect if the FW is not loaded. So:

diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index e931b48369dd..bbd331f1d5d9 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -600,7 +600,7 @@ static const struct intel_device_info intel_cannonlake_info
= {
        GEN10_FEATURES, \
        GEN(11), \
        .ddb_size = 2048, \
-       .has_csr = 0, \
+       .has_csr = 1, \
        .has_logical_ring_elsq = 1

 static const struct intel_device_info intel_icelake_11_info = {

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