diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-09-11 18:59:26 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-09-12 11:43:48 +0100 |
| commit | e3cb653d5cc42c2073ad174ae1130dc9e39266e9 (patch) | |
| tree | cb10886ab3e2981b7c7f9844fe1ccdb8d07c6907 /drivers/gpu/drm/i915/display/intel_fbc.c | |
| parent | 933122cc7cd26e67dfc7975f821033e89f766963 (diff) | |
drm/i915: Disable FBC if BIOS reserved memory (stolen) is unavailable
The FBC requires a couple of contiguous buffers, which we allocate from
stolen memory. If stolen memory is unavailable, we cannot allocate those
buffers and so cannot support FBC. Mark it so.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190911175926.31365-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_fbc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fbc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index dc34b23e2320..3111ecaeabd0 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -1320,6 +1320,9 @@ void intel_fbc_init(struct drm_i915_private *dev_priv) fbc->enabled = false; fbc->active = false; + if (!drm_mm_initialized(&dev_priv->mm.stolen)) + mkwrite_device_info(dev_priv)->display.has_fbc = false; + if (need_fbc_vtd_wa(dev_priv)) mkwrite_device_info(dev_priv)->display.has_fbc = false; |