diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2020-04-29 13:10:28 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2020-06-30 20:39:18 +0300 |
| commit | d838962f165c4bdbed9047b0f4d9ecd783e04b71 (patch) | |
| tree | c47d2df22938969010dfe161bb96be5e06bdd422 /drivers/gpu/drm/i915/display/intel_fbc.c | |
| parent | 5331889b5ffb11d6257953e418291a9f04c02bed (diff) | |
| download | linux-d838962f165c4bdbed9047b0f4d9ecd783e04b71.tar.bz2 | |
drm/i915/fbc: Don't clear busy_bits for origin==GTT
The hardware host tracking won't nuke the entire cfb (unless the
entire fb is written through the gtt) so don't clear the busy_bits
for gtt tracking.
Not that it really matters anymore since we've lost ORIGIN_GTT usage
everywhere.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200429101034.8208-7-ville.syrjala@linux.intel.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_fbc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_fbc.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index 2312e70e2e5e..90088c77c059 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -1078,11 +1078,19 @@ void intel_fbc_flush(struct drm_i915_private *dev_priv, if (!HAS_FBC(dev_priv)) return; + /* + * GTT tracking does not nuke the entire cfb + * so don't clear busy_bits set for some other + * reason. + */ + if (origin == ORIGIN_GTT) + return; + mutex_lock(&fbc->lock); fbc->busy_bits &= ~frontbuffer_bits; - if (origin == ORIGIN_GTT || origin == ORIGIN_FLIP) + if (origin == ORIGIN_FLIP) goto out; if (!fbc->busy_bits && fbc->crtc && |