diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2024-10-29 11:25:24 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2024-11-05 12:19:34 +0200 |
| commit | f270857385b2880ff291526e6d8f5c3fe0d011f5 (patch) | |
| tree | 56b9c66b6498647e2cede7d52c2074c2e01925bb /drivers/gpu/drm/i915/i915_drv.h | |
| parent | d519f48b2ff11138c1e9116e5a12241e91a90070 (diff) | |
drm/i915/sbi: add a dedicated mutex for LPT/WPT IOSF sideband
The LPT/WPT IOSF sideband is unrelated to pcode or VLV/CHV IOSF
sideband. It's just confusing to piggyback on the same mutex. Add a
dedicated lock with init and cleanup functions.
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/139933094fe51fccdbe14d4e20df69782e801905.1730193891.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index fe2c251a4436..64a8591ae3e0 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -236,6 +236,9 @@ struct drm_i915_private { spinlock_t irq_lock; bool irqs_enabled; + /* LPT/WPT IOSF sideband protection */ + struct mutex sbi_lock; + /* Sideband mailbox protection */ struct mutex sb_lock; struct pm_qos_request sb_qos; |