From: Yu Zhang <yu.c.zhang@xxxxxxxxx> Framebuffer compression is disabled when driver detects it's running in XenGT VM, because XenGT does not provide emulations for FBC related operations, and we do not expose stolen memory to the VM. Signed-off-by: Yu Zhang <yu.c.zhang@xxxxxxxxx> Signed-off-by: Jike Song <jike.song@xxxxxxxxx> Signed-off-by: Zhiyuan Lv <zhiyuan.lv@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_dma.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 927acea..bb4ad52 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1741,6 +1741,10 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) i915_check_vgpu(dev); + /* disable framebuffer compression in vgt */ + if (intel_vgpu_active(dev)) + i915.enable_fbc = 0; + intel_irq_init(dev); intel_uncore_sanitize(dev); -- 1.9.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
