diff options
author | Jani Nikula <jani.nikula@intel.com> | 2015-02-05 12:04:27 +0200 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-02-13 23:28:03 +0100 |
commit | 60ee5cd24cf1c39d4c7bab7b428a08386a93fe9f (patch) | |
tree | f52fbb7abe7ec88894e3d743d5a036ebc8188cc8 /drivers/gpu/drm/i915/intel_fbc.c | |
parent | 719388e146c34f065c275258e007a39b694aa68f (diff) | |
download | talos-obmc-linux-60ee5cd24cf1c39d4c7bab7b428a08386a93fe9f.tar.gz talos-obmc-linux-60ee5cd24cf1c39d4c7bab7b428a08386a93fe9f.zip |
drm/i915/fbc: fix the check for already reserved fbc size
The check for previously reserved stolen space size for FBC in
i915_gem_stolen_setup_compression() did not take the compression
threshold into account. Fix this by storing and comparing to
uncompressed size instead.
The bug has been introduced in
commit 5e59f7175f96550ede91f58d267d2b551cb6fbba
Author: Ben Widawsky <benjamin.widawsky@intel.com>
Date: Mon Jun 30 10:41:24 2014 -0700
drm/i915: Try harder to get FBC
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88975
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ben Widawsky <benjamin.widawsky@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_fbc.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_fbc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index 624d1d92d284..b572bb6ebcff 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -78,7 +78,8 @@ static void i8xx_fbc_enable(struct drm_crtc *crtc) dev_priv->fbc.enabled = true; - cfb_pitch = dev_priv->fbc.size / FBC_LL_SIZE; + /* Note: fbc.threshold == 1 for i8xx */ + cfb_pitch = dev_priv->fbc.uncompressed_size / FBC_LL_SIZE; if (fb->pitches[0] < cfb_pitch) cfb_pitch = fb->pitches[0]; |