diff options
| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2020-08-19 16:08:54 +0200 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2020-09-07 14:31:13 +0300 |
| commit | 47b086934f429561b3828a6b248e3406b5121939 (patch) | |
| tree | 996fc9c65ded12583c26cf63feef1e2cb31f10c2 /drivers/gpu/drm/i915/gt/intel_context.h | |
| parent | 3999a7087989af0bfb9406b77d3d8444031aab7d (diff) | |
drm/i915: Make sure execbuffer always passes ww state to i915_vma_pin.
As a preparation step for full object locking and wait/wound handling
during pin and object mapping, ensure that we always pass the ww context
in i915_gem_execbuffer.c to i915_vma_pin, use lockdep to ensure this
happens.
This also requires changing the order of eb_parse slightly, to ensure
we pass ww at a point where we could still handle -EDEADLK safely.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200819140904.1708856-15-maarten.lankhorst@linux.intel.com
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_context.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_context.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_context.h b/drivers/gpu/drm/i915/gt/intel_context.h index 07be021882cc..fda2eba81e22 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.h +++ b/drivers/gpu/drm/i915/gt/intel_context.h @@ -25,6 +25,8 @@ ##__VA_ARGS__); \ } while (0) +struct i915_gem_ww_ctx; + void intel_context_init(struct intel_context *ce, struct intel_engine_cs *engine); void intel_context_fini(struct intel_context *ce); @@ -81,6 +83,8 @@ static inline void intel_context_unlock_pinned(struct intel_context *ce) } int __intel_context_do_pin(struct intel_context *ce); +int __intel_context_do_pin_ww(struct intel_context *ce, + struct i915_gem_ww_ctx *ww); static inline bool intel_context_pin_if_active(struct intel_context *ce) { @@ -95,6 +99,15 @@ static inline int intel_context_pin(struct intel_context *ce) return __intel_context_do_pin(ce); } +static inline int intel_context_pin_ww(struct intel_context *ce, + struct i915_gem_ww_ctx *ww) +{ + if (likely(intel_context_pin_if_active(ce))) + return 0; + + return __intel_context_do_pin_ww(ce, ww); +} + static inline void __intel_context_pin(struct intel_context *ce) { GEM_BUG_ON(!intel_context_is_pinned(ce)); |