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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2017-03-02 19:14:58 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2017-03-03 16:50:10 +0200 |
| commit | 236c48e692458fb55ec96ac1823a176f2bce09f1 (patch) | |
| tree | 136b8145393476dc2da0ec4e1e23b39c718ef7d2 /drivers/gpu/drm/i915/intel_atomic.c | |
| parent | ff32c54ef1ce774ad3640d4635803ad35d64b8e8 (diff) | |
| download | blackbird-op-linux-236c48e692458fb55ec96ac1823a176f2bce09f1.tar.gz blackbird-op-linux-236c48e692458fb55ec96ac1823a176f2bce09f1.zip | |
drm/i915: Skip useless watermark/FIFO related work on VLV/CHV when not needed
Check whether anything relevant has actually change when we compute new
watermarks for each plane in the state. If the watermarks for no
primary/sprite planes changed we don't have to recompute the FIFO split
or reprogram the DSBARB registers. And even the cursor watermarks didn't
change we can skip the merge+invert step between all the planes on
the pipe as well.
v2: s/noninverted/raw/ for consistency with other platforms
v3: Drop duplicated vlv_get_fifo_size() call during init
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302171508.1666-9-ville.syrjala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_atomic.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_atomic.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c index e65818e5d2ab..50fb1f76cc5f 100644 --- a/drivers/gpu/drm/i915/intel_atomic.c +++ b/drivers/gpu/drm/i915/intel_atomic.c @@ -99,6 +99,7 @@ intel_crtc_duplicate_state(struct drm_crtc *crtc) crtc_state->update_wm_pre = false; crtc_state->update_wm_post = false; crtc_state->fb_changed = false; + crtc_state->fifo_changed = false; crtc_state->wm.need_postvbl_update = false; crtc_state->fb_bits = 0; |
