diff options
| author |   Abdiel Janulgue <abdiel.janulgue@linux.intel.com> | 2019-10-18 10:07:49 +0100 |
|---|---|---|
| committer |   Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-18 12:41:02 +0100 |
| commit | 3aae9d08532c8e542ad2787b3f1c6b4ee14db32b (patch) | |
| tree | 8919e4e352361abdaa1664302bbc7e0110fb8255 /drivers/gpu/drm/i915/i915_gem_gtt.c | |
| parent | drm/i915/execlists: Don't merely skip submission if maybe timeslicing (diff) | |
| download | linux-dev-3aae9d08532c8e542ad2787b3f1c6b4ee14db32b.tar.xz linux-dev-3aae9d08532c8e542ad2787b3f1c6b4ee14db32b.zip | |
drm/i915: enumerate and init each supported region
Nothing to enumerate yet...
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191018090751.28295-1-matthew.auld@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 56 |
1 files changed, 49 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 7b15bb891970..7b8e30c72f86 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -2744,6 +2744,52 @@ int i915_init_ggtt(struct drm_i915_private *i915) return 0; } +void i915_gem_cleanup_memory_regions(struct drm_i915_private *i915) +{ + int i; + + i915_gem_cleanup_stolen(i915); + + for (i = 0; i < INTEL_REGION_UNKNOWN; i++) { + struct intel_memory_region *region = i915->mm.regions[i]; + + if (region) + intel_memory_region_put(region); + } +} + +int i915_gem_init_memory_regions(struct drm_i915_private *i915) +{ + int err, i; + + /* + * Initialise stolen early so that we may reserve preallocated + * objects for the BIOS to KMS transition. + */ + /* XXX: stolen will become a region at some point */ + err = i915_gem_init_stolen(i915); + if (err) + return err; + + for (i = 0; i < INTEL_REGION_UNKNOWN; i++) { + struct intel_memory_region *mem = ERR_PTR(-ENODEV); + + if (!HAS_REGION(i915, BIT(i))) + continue; + + if (IS_ERR(mem)) { + err = PTR_ERR(mem); + goto out_cleanup; + } + } + + return 0; + +out_cleanup: + i915_gem_cleanup_memory_regions(i915); + return err; +} + static void ggtt_cleanup_hw(struct i915_ggtt *ggtt) { struct i915_vma *vma, *vn; @@ -2781,6 +2827,8 @@ void i915_ggtt_driver_release(struct drm_i915_private *i915) { struct pagevec *pvec; + i915_gem_cleanup_memory_regions(i915); + fini_aliasing_ppgtt(&i915->ggtt); ggtt_cleanup_hw(&i915->ggtt); @@ -2790,8 +2838,6 @@ void i915_ggtt_driver_release(struct drm_i915_private *i915) set_pages_array_wb(pvec->pages, pvec->nr); __pagevec_release(pvec); } - - i915_gem_cleanup_stolen(i915); } static unsigned int gen6_get_total_gtt_size(u16 snb_gmch_ctl) @@ -3240,11 +3286,7 @@ int i915_ggtt_init_hw(struct drm_i915_private *dev_priv) if (ret) return ret; - /* - * Initialise stolen early so that we may reserve preallocated - * objects for the BIOS to KMS transition. - */ - ret = i915_gem_init_stolen(dev_priv); + ret = i915_gem_init_memory_regions(dev_priv); if (ret) goto out_gtt_cleanup; |