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drm/i915/bxt: Broxton DDB is 512 blocks

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Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Antti Koskipää <antti.koskipaa@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2015-03-17 11:39:34 +02:00 committed by Daniel Vetter
parent b21249c90e
commit 43d735a686
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/i915/intel_pm.c
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@ -2538,6 +2538,7 @@ static bool ilk_disable_lp_wm(struct drm_device *dev)
*/
#define SKL_DDB_SIZE 896 /* in blocks */
#define BXT_DDB_SIZE 512
static void
skl_ddb_get_pipe_allocation_limits(struct drm_device *dev,
@ -2556,7 +2557,10 @@ skl_ddb_get_pipe_allocation_limits(struct drm_device *dev,
return;
}
ddb_size = SKL_DDB_SIZE;
if (IS_BROXTON(dev))
ddb_size = BXT_DDB_SIZE;
else
ddb_size = SKL_DDB_SIZE;
ddb_size -= 4; /* 4 blocks for bypass path allocation */