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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-01-06 18:20:11 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-01-06 19:02:09 +0300 |
| commit | edd1f2fe11ff77ab2a3169b9359e2ba69541a2f2 (patch) | |
| tree | 80ff829dfb8f32a6f5056011782823b5a8b1c3df /drivers/gpu/drm/i915/i915_gem_gtt.h | |
| parent | 46fad808b1b73c3f7c0b88016dcc6fb4cd549b27 (diff) | |
| download | linux-edd1f2fe11ff77ab2a3169b9359e2ba69541a2f2.tar.xz | |
drm/i915: Use fixed-sized types for stolen
Stolen memory is a hardware resource of known size, so use an accurate
fixed integer type rather than the ambiguous variable size_t. This was
motivated by the next patch spotting inconsistencies in our types.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170106152013.24684-3-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h index 0055b8567a43..9e91d7e6149c 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.h +++ b/drivers/gpu/drm/i915/i915_gem_gtt.h @@ -315,6 +315,9 @@ struct i915_ggtt { struct i915_address_space base; struct io_mapping mappable; /* Mapping to our CPU mappable region */ + phys_addr_t mappable_base; /* PA of our GMADR */ + u64 mappable_end; /* End offset that we can CPU map */ + /* Stolen memory is segmented in hardware with different portions * offlimits to certain functions. * @@ -323,12 +326,10 @@ struct i915_ggtt { * avoid the first page! The upper end of stolen memory is reserved for * hardware functions and similarly removed from the accessible range. */ - size_t stolen_size; /* Total size of stolen memory */ - size_t stolen_usable_size; /* Total size minus reserved ranges */ - size_t stolen_reserved_base; - size_t stolen_reserved_size; - u64 mappable_end; /* End offset that we can CPU map */ - phys_addr_t mappable_base; /* PA of our GMADR */ + u32 stolen_size; /* Total size of stolen memory */ + u32 stolen_usable_size; /* Total size minus reserved ranges */ + u32 stolen_reserved_base; + u32 stolen_reserved_size; /** "Graphics Stolen Memory" holds the global PTEs */ void __iomem *gsm; |