On 12/12/2014 9:13 PM, Tvrtko Ursulin wrote:
On 11/13/2014 12:02 PM, Yu Zhang wrote:Framebuffer compression is disabled when driver detects it's running in a Intel GVT-g enlightened VM, because FBC is not emulated and there is no stolen memory for a vGPU. v2: take Chris' comments: - move the code into intel_update_fbc() Signed-off-by: Yu Zhang <yu.c.zhang@xxxxxxxxxxxxxxx> Signed-off-by: Jike Song <jike.song@xxxxxxxxx> Signed-off-by: Zhiyuan Lv <zhiyuan.lv@xxxxxxxxx> --- drivers/gpu/drm/i915/intel_pm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 7a69eba..3bc5d93 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -544,6 +544,10 @@ void intel_update_fbc(struct drm_device *dev) return; } + /* disable framebuffer compression in vGPU */ + if (intel_vgpu_active(dev)) + i915.enable_fbc = 0; + /* * If FBC is already on, we just have to verify that we can * keep it that way...Looks like you'll need to rebase this one, I see no intel_update_fbc in my tree. :(
OK. I'll rebase this in next version. :)
Regards, Tvrtko
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