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author | Dave Airlie <airlied@redhat.com> | 2017-11-02 12:40:41 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2017-11-02 12:40:41 +1000 |
commit | 7a88cbd8d65d622c00bd76ba4ae1d893b292c91c (patch) | |
tree | 826df7ac42ca13c33828d0142046186b91df686b /drivers/gpu/drm/nouveau/nv50_display.c | |
parent | 0a4334c9e5405f836c46375c6e279cfdda7da6b5 (diff) | |
parent | 0b07194bb55ed836c2cc7c22e866b87a14681984 (diff) | |
download | op-kernel-dev-7a88cbd8d65d622c00bd76ba4ae1d893b292c91c.zip op-kernel-dev-7a88cbd8d65d622c00bd76ba4ae1d893b292c91c.tar.gz |
Backmerge tag 'v4.14-rc7' into drm-next
Linux 4.14-rc7
Requested by Ben Skeggs for nouveau to avoid major conflicts,
and things were getting a bit conflicty already, esp around amdgpu
reverts.
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_display.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nv50_display.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 2dbf62a..e4751f9 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -3265,11 +3265,14 @@ nv50_mstm = { void nv50_mstm_service(struct nv50_mstm *mstm) { - struct drm_dp_aux *aux = mstm->mgr.aux; + struct drm_dp_aux *aux = mstm ? mstm->mgr.aux : NULL; bool handled = true; int ret; u8 esi[8] = {}; + if (!aux) + return; + while (handled) { ret = drm_dp_dpcd_read(aux, DP_SINK_COUNT_ESI, esi, 8); if (ret != 8) { |