diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 3cd521f3823b..599d445f7ce9 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -104,8 +104,11 @@ static void i8xx_enable_fbc(struct drm_crtc *crtc, unsigned long interval) if (fb->pitches[0] < cfb_pitch) cfb_pitch = fb->pitches[0]; - /* FBC_CTL wants 64B units */ - cfb_pitch = (cfb_pitch / 64) - 1; + /* FBC_CTL wants 32B or 64B units */ + if (IS_GEN2(dev)) + cfb_pitch = (cfb_pitch / 32) - 1; + else + cfb_pitch = (cfb_pitch / 64) - 1; plane = intel_crtc->plane == 0 ? FBC_CTL_PLANEA : FBC_CTL_PLANEB; /* Clear old tags */ |