From: Ville Syrjälä Date: Fri, 22 Mar 2019 18:08:04 +0000 (+0200) Subject: drm/i915: Use vblank_disable_immediate on gen2 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=0df3f09d00ae9659a250014cdbd0a14dca83a561;p=openwrt%2Fstaging%2Fblogic.git drm/i915: Use vblank_disable_immediate on gen2 The vblank timestamp->counter guesstimator seems to be working sufficiently well, so there's no reason not to disable vblank interrupts ASAP even on gen2. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20190322180804.3300-2-ville.syrjala@linux.intel.com Acked-by: Chris Wilson --- diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index fcbe173ddddd..455b2bf691b5 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -4642,13 +4642,7 @@ void intel_irq_init(struct drm_i915_private *dev_priv) else if (INTEL_GEN(dev_priv) >= 3) dev->driver->get_vblank_counter = i915_get_vblank_counter; - /* - * Opt out of the vblank disable timer on everything except gen2. - * Gen2 doesn't have a hardware frame counter and so depends on - * vblank interrupts to produce sane vblank seuquence numbers. - */ - if (!IS_GEN(dev_priv, 2)) - dev->vblank_disable_immediate = true; + dev->vblank_disable_immediate = true; /* Most platforms treat the display irq block as an always-on * power domain. vlv/chv can disable it at runtime and need