Only allow running DMC wakelock code if the display version is 20 or greater. Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_dmc_wl.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_dmc_wl.c b/drivers/gpu/drm/i915/display/intel_dmc_wl.c index 7e5d325f5d55..6eea81a76fa4 100644 --- a/drivers/gpu/drm/i915/display/intel_dmc_wl.c +++ b/drivers/gpu/drm/i915/display/intel_dmc_wl.c @@ -120,6 +120,9 @@ void intel_dmc_wl_enable(struct drm_i915_private *i915) struct intel_dmc_wl *wl = &i915->display.wl; unsigned long flags; + if (DISPLAY_VER(i915) < 20) + return; + spin_lock_irqsave(&wl->lock, flags); if (wl->enabled) @@ -144,6 +147,9 @@ void intel_dmc_wl_disable(struct drm_i915_private *i915) struct intel_dmc_wl *wl = &i915->display.wl; unsigned long flags; + if (DISPLAY_VER(i915) < 20) + return; + flush_delayed_work(&wl->work); spin_lock_irqsave(&wl->lock, flags); @@ -173,6 +179,9 @@ void intel_dmc_wl_get(struct drm_i915_private *i915, i915_reg_t reg) struct intel_dmc_wl *wl = &i915->display.wl; unsigned long flags; + if (DISPLAY_VER(i915) < 20) + return; + if (!intel_dmc_wl_check_range(reg.reg)) return; @@ -205,6 +214,9 @@ void intel_dmc_wl_put(struct drm_i915_private *i915, i915_reg_t reg) struct intel_dmc_wl *wl = &i915->display.wl; unsigned long flags; + if (DISPLAY_VER(i915) < 20) + return; + if (!intel_dmc_wl_check_range(reg.reg)) return; -- 2.39.2
