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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2016-08-19 16:54:25 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-08-19 17:13:29 +0100 |
| commit | 8678fdaf396c3aa3732b3d98ce2241633dbc26ba (patch) | |
| tree | 9f61992a6f0f98671f2c91197a57149d10c974a3 /drivers/gpu/drm/i915/intel_fbc.c | |
| parent | 12ecf4b979ec79b72e7aff35b172cada85e128a5 (diff) | |
| download | linux-8678fdaf396c3aa3732b3d98ce2241633dbc26ba.tar.bz2 | |
drm/i915/fbc: Allow on unfenced surfaces, for recent gen
Only fbc1 is tied to using a fence. Later iterations of fbc are more
flexible and allow operation on unfenced frontbuffers.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: "Zanoni, Paulo R" <paulo.r.zanoni@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20160819155428.1670-3-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_fbc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_fbc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index faa67624e1ed..bf8b22ad9aed 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -799,8 +799,10 @@ static bool intel_fbc_can_activate(struct intel_crtc *crtc) */ if (cache->fb.tiling_mode != I915_TILING_X || cache->fb.fence_reg == I915_FENCE_REG_NONE) { - fbc->no_fbc_reason = "framebuffer not tiled or fenced"; - return false; + if (INTEL_GEN(dev_priv) < 5) { + fbc->no_fbc_reason = "framebuffer not tiled or fenced"; + return false; + } } if (INTEL_INFO(dev_priv)->gen <= 4 && !IS_G4X(dev_priv) && cache->plane.rotation != DRM_ROTATE_0) { |