If power well support is disabled via the i915.disable_power_well module option we should never enable DC states. Currently we would enable DC states even in this case during system suspend, where we need to disable all power wells regardless of the disable_power_well option.
CC: Patrik Jakobsson <[email protected]> Signed-off-by: Imre Deak <[email protected]> --- drivers/gpu/drm/i915/intel_runtime_pm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 30df9de..f0ca5134 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -2034,6 +2034,9 @@ static uint32_t get_allowed_dc_mask(const struct drm_i915_private *dev_priv, mask = 0; } + if (!i915.disable_power_well) + max_dc = 0; + if (enable_dc >= 0 && enable_dc <= max_dc) { requested_dc = enable_dc; } else if (enable_dc == -1) { -- 2.5.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
