diff options
| author | Maarten Lankhorst | 2018-12-20 16:17:19 +0100 |
|---|---|---|
| committer | Maarten Lankhorst | 2018-12-21 12:51:21 +0100 |
| commit | 50c42fc90b7e1f1800f2d883ef86770e9cb6251e (patch) | |
| tree | 886dbe7ca8bcab6931f876129649c7a5b5d33617 /drivers/gpu/drm/i915/intel_fbc.c | |
| parent | drm/i915/dsc: Fix the deadlock in dsc debugfs node (diff) | |
| download | kernel-qcow2-linux-50c42fc90b7e1f1800f2d883ef86770e9cb6251e.tar.gz kernel-qcow2-linux-50c42fc90b7e1f1800f2d883ef86770e9cb6251e.tar.xz kernel-qcow2-linux-50c42fc90b7e1f1800f2d883ef86770e9cb6251e.zip | |
drm/i915: Disable FBC on fastset if necessary, v2.
Without this, we will get a dmesg-warn when enable_fbc is cleared on a fastset:
WARN_ON(!crtc_state->enable_fbc)
WARNING: CPU: 0 PID: 1090 at drivers/gpu/drm/i915/intel_fbc.c:1091 intel_fbc_enable+0x2ce/0x580 [i915]
RIP: 0010:intel_fbc_enable+0x2ce/0x580 [i915]
Call Trace:
? __mutex_unlock_slowpath+0x46/0x2b0
intel_update_crtc+0x6f/0x2b0 [i915]
skl_update_crtcs+0x1d1/0x2b0 [i915]
intel_atomic_commit_tail+0x1ea/0xdb0 [i915]
intel_atomic_commit+0x244/0x330 [i915]
drm_mode_atomic_ioctl+0x85d/0x950
? drm_atomic_set_property+0x970/0x970
drm_ioctl_kernel+0x81/0xf0
drm_ioctl+0x2de/0x390
? drm_atomic_set_property+0x970/0x970
? __handle_mm_fault+0x81b/0xfc0
do_vfs_ioctl+0xa0/0x6e0
? __do_page_fault+0x2a5/0x550
ksys_ioctl+0x35/0x60
__x64_sys_ioctl+0x11/0x20
do_syscall_64+0x55/0x190
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Changes since v1:
- Move intel_fbc_disable to intel_update_crtc() (Hans)
Cc: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181220151719.30586-1-maarten.lankhorst@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_fbc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_fbc.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index 1d3ff026d1bc..ccd5e110a19c 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -1129,8 +1129,6 @@ void intel_fbc_disable(struct intel_crtc *crtc) if (!fbc_supported(dev_priv)) return; - WARN_ON(crtc->active); - mutex_lock(&fbc->lock); if (fbc->crtc == crtc) __intel_fbc_disable(dev_priv); |