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| author | J. Bruce Fields <bfields@redhat.com> | 2017-06-28 13:34:15 -0400 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2017-06-28 13:34:15 -0400 |
| commit | 9a1d168e1bc2893120bb7c0d9932dd22f97d0b55 (patch) | |
| tree | f7d419f1601419aa0aebda102a6b14bdf7653443 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | bb2a8b0cd116219777b99cb71fe9e24b31d3f521 (diff) | |
| parent | 32c1431eea4881a6b17bd7c639315010aeefa452 (diff) | |
Merge tag 'v4.12-rc5' into nfsd tree
Update to get f0c3192ceee3 "virtio_net: lower limit on buffer size".
That bug was interfering with my nfsd testing.
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 570bd603f401..2ca481b5aa69 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4335,11 +4335,19 @@ skl_compute_wm(struct drm_atomic_state *state) struct drm_crtc_state *cstate; struct intel_atomic_state *intel_state = to_intel_atomic_state(state); struct skl_wm_values *results = &intel_state->wm_results; + struct drm_device *dev = state->dev; struct skl_pipe_wm *pipe_wm; bool changed = false; int ret, i; /* + * When we distrust bios wm we always need to recompute to set the + * expected DDB allocations for each CRTC. + */ + if (to_i915(dev)->wm.distrust_bios_wm) + changed = true; + + /* * If this transaction isn't actually touching any CRTC's, don't * bother with watermark calculation. Note that if we pass this * test, we're guaranteed to hold at least one CRTC state mutex, @@ -4349,6 +4357,7 @@ skl_compute_wm(struct drm_atomic_state *state) */ for_each_new_crtc_in_state(state, crtc, cstate, i) changed = true; + if (!changed) return 0; |