drm/i915/guc: Do not partition WOPCM if GuC is not used

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 <[email protected]>
Cc: Chris Wilson <[email protected]>
Cc: Michał Winiarski <[email protected]>
Cc: Michal Wajdeczko <[email protected]>
Reviewed-by: Chris Wilson <[email protected]>
Signed-off-by: Chris Wilson <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

diff --git a/drivers/gpu/drm/i915/intel_wopcm.c b/drivers/gpu/drm/i915/intel_wopcm.c
index 74bf76f3fddc4091d26c9a7227ca689ac7975c19..09cc62b0d7ca26cf7b8b79057af050605bd538a6 100644 (file)
--- 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) {