From 43d735a686d03033599187c276071eceb32d52dd Mon Sep 17 00:00:00 2001 From: Damien Lespiau Date: Tue, 17 Mar 2015 11:39:34 +0200 Subject: [PATCH] drm/i915/bxt: Broxton DDB is 512 blocks MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Damien Lespiau Reviewed-by: Antti Koskipää Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_pm.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index fa4ccb346389..1e25e3e26a67 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -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 */ -- 2.39.5