diff mbox series

[v8,2/6] drm/i915/guc: Do not partition WOPCM if GuC is not used

Message ID 20180727141148.30874-2-jakub.bartminski@intel.com (mailing list archive)
State New, archived
Headers show
Series [v8,1/6] drm/i915/guc: Avoid wasting memory on incorrect GuC pin bias | expand

Commit Message

Bartminski, Jakub July 27, 2018, 2:11 p.m. UTC 
There seems to be no reason for doing extra work on WOPCM partitioning
in the case GuC is not used, as the partitioning will not be used by the
intel_wopcm_init_hw function anyway.

Signed-off-by: Jakub Bartmiński <jakub.bartminski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michał Winiarski <michal.winiarski@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/intel_wopcm.c | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/intel_wopcm.c b/drivers/gpu/drm/i915/intel_wopcm.c
index 74bf76f3fddc..09cc62b0d7ca 100644
--- a/drivers/gpu/drm/i915/intel_wopcm.c
+++ b/drivers/gpu/drm/i915/intel_wopcm.c
@@ -163,6 +163,9 @@  int intel_wopcm_init(struct intel_wopcm *wopcm)
 	u32 guc_wopcm_rsvd;
 	int err;
 
+	if (!USES_GUC(dev_priv))
+		return 0;
+
 	GEM_BUG_ON(!wopcm->size);
 
 	if (guc_fw_size >= wopcm->size) {