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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-26 21:20:32 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-26 22:25:34 +0100 |
| commit | 3fc794f27fec8f020907090fb866602a1c64a73c (patch) | |
| tree | 456b59bcb611e937f7ff887ea876949fbcd15e25 /drivers/gpu/drm/i915/intel_memory_region.c | |
| parent | 9fb94522ddf2d3dca0d723e53db5f3f5ffb5487b (diff) | |
| download | linux-3fc794f27fec8f020907090fb866602a1c64a73c.tar.bz2 | |
drm/i915: Split memory_region initialisation into its own file
Pull the memory region bookkeeping into its file. Let's start clean and
see how long it lasts!
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191026202032.4371-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/intel_memory_region.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_memory_region.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_memory_region.c b/drivers/gpu/drm/i915/intel_memory_region.c index 72f98a111de1..a60f77ff58d4 100644 --- a/drivers/gpu/drm/i915/intel_memory_region.c +++ b/drivers/gpu/drm/i915/intel_memory_region.c @@ -207,6 +207,62 @@ void intel_memory_region_put(struct intel_memory_region *mem) kref_put(&mem->kref, __intel_memory_region_destroy); } +/* Global memory region registration -- only slight layer inversions! */ + +int intel_memory_regions_hw_probe(struct drm_i915_private *i915) +{ + int err, i; + + for (i = 0; i < ARRAY_SIZE(i915->mm.regions); i++) { + struct intel_memory_region *mem = ERR_PTR(-ENODEV); + u32 type; + + if (!HAS_REGION(i915, BIT(i))) + continue; + + type = MEMORY_TYPE_FROM_REGION(intel_region_map[i]); + switch (type) { + case INTEL_MEMORY_SYSTEM: + mem = i915_gem_shmem_setup(i915); + break; + case INTEL_MEMORY_STOLEN: + mem = i915_gem_stolen_setup(i915); + break; + } + + if (IS_ERR(mem)) { + err = PTR_ERR(mem); + DRM_ERROR("Failed to setup region(%d) type=%d\n", err, type); + goto out_cleanup; + } + + mem->id = intel_region_map[i]; + mem->type = type; + mem->instance = MEMORY_INSTANCE_FROM_REGION(intel_region_map[i]); + + i915->mm.regions[i] = mem; + } + + return 0; + +out_cleanup: + intel_memory_regions_driver_release(i915); + return err; +} + +void intel_memory_regions_driver_release(struct drm_i915_private *i915) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(i915->mm.regions); i++) { + struct intel_memory_region *region = + fetch_and_zero(&i915->mm.regions[i]); + + if (region) + intel_memory_region_put(region); + } +} + #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) #include "selftests/intel_memory_region.c" #include "selftests/mock_region.c" |