diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 926e05f0db24..26ab00862b59 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1012,6 +1012,9 @@ static bool i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, int position; int vbl_start, vbl_end, hsync_start, htotal, vtotal; unsigned long irqflags; + bool use_scanline_counter = INTEL_GEN(dev_priv) >= 5 || + IS_G4X(dev_priv) || IS_GEN(dev_priv, 2) || + mode->private_flags & I915_MODE_FLAG_USE_SCANLINE_COUNTER; if (WARN_ON(!mode->crtc_clock)) { DRM_DEBUG_DRIVER("trying to get scanoutpos for disabled " @@ -1044,7 +1047,7 @@ static bool i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, if (stime) *stime = ktime_get(); - if (IS_GEN(dev_priv, 2) || IS_G4X(dev_priv) || INTEL_GEN(dev_priv) >= 5) { + if (use_scanline_counter) { /* No obvious pixelcount register. Only query vertical * scanout position from Display scan line register. */ @@ -1104,7 +1107,7 @@ static bool i915_get_crtc_scanoutpos(struct drm_device *dev, unsigned int pipe, else position += vtotal - vbl_end; - if (IS_GEN(dev_priv, 2) || IS_G4X(dev_priv) || INTEL_GEN(dev_priv) >= 5) { + if (use_scanline_counter) { *vpos = position; *hpos = 0; } else { |