On Thu, Jan 11, 2018 at 08:24:17AM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
>
> With firmware 1.07 having fixed the state corruption issue, we can enable
> the headless GT performance workaround for CNL as well. (Equivalent to
> b68763741aa2 ("drm/i915: Restore GT performance in headless mode with DMC
> loaded") on other affected platforms.)
>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=100572
> Testcase: igt/gem_exec_nop/headless
> Cc: Imre Deak <imre.deak@xxxxxxxxx>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Dmitry Rogozhkin <dmitry.v.rogozhkin@xxxxxxxxx>
Reviewed-by: Imre Deak <imre.deak@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_runtime_pm.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
> index d758da6156a8..4996c4ea8a80 100644
> --- a/drivers/gpu/drm/i915/intel_runtime_pm.c
> +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
> @@ -1848,6 +1848,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
> BIT_ULL(POWER_DOMAIN_INIT))
> #define CNL_DISPLAY_DC_OFF_POWER_DOMAINS ( \
> CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS | \
> + BIT_ULL(POWER_DOMAIN_GT_IRQ) | \
> BIT_ULL(POWER_DOMAIN_MODESET) | \
> BIT_ULL(POWER_DOMAIN_AUX_A) | \
> BIT_ULL(POWER_DOMAIN_INIT))
> --
> 2.14.1
>
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