From: Paulo Zanoni <[email protected]> ... at edp_have_panel_vdd. Just return false, saying we don't have the panel VDD since the device is suspended.
We started getting WARNs about this problem since the patch that started checking if we're suspended while reading registers. Testcase: igt/pm_pc8 Signed-off-by: Paulo Zanoni <[email protected]> --- drivers/gpu/drm/i915/intel_dp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 6f767e5..44471cc 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -314,7 +314,8 @@ static bool edp_have_panel_vdd(struct intel_dp *intel_dp) struct drm_device *dev = intel_dp_to_dev(intel_dp); struct drm_i915_private *dev_priv = dev->dev_private; - return (I915_READ(_pp_ctrl_reg(intel_dp)) & EDP_FORCE_VDD) != 0; + return !dev_priv->pm.suspended && + (I915_READ(_pp_ctrl_reg(intel_dp)) & EDP_FORCE_VDD) != 0; } static void -- 1.8.5.3 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
