From: Ville Syrjälä <ville.syrj...@linux.intel.com>
We use LRIs to enable/disable the render tracking as needed. So leave
ILK_FBC_RT_BASE alone when enabling FBC.
TODO: Make ILK use the LRI mechanism too?
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_pm.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 4b016d8..f58f476 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -209,7 +209,8 @@ static void ironlake_enable_fbc(struct drm_crtc *crtc,
unsigned long interval)
(stall_watermark << DPFC_RECOMP_STALL_WM_SHIFT) |
(interval << DPFC_RECOMP_TIMER_COUNT_SHIFT));
I915_WRITE(ILK_DPFC_FENCE_YOFF, crtc->y);
- I915_WRITE(ILK_FBC_RT_BASE, i915_gem_obj_ggtt_offset(obj) |
ILK_FBC_RT_VALID);
+ if (IS_GEN5(dev))
+ I915_WRITE(ILK_FBC_RT_BASE, i915_gem_obj_ggtt_offset(obj) |
ILK_FBC_RT_VALID);
/* enable it... */
I915_WRITE(ILK_DPFC_CONTROL, dpfc_ctl | DPFC_CTL_EN);
--
1.8.1.5
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