drm/i915: Replace open-coding of DEFAULT_CONTEXT_ID

The intent of the check is made more clear if we use the proper name for
0 here.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 64eda4463b7082deaa0293147bf5ae8b9cab0d81..1b58694d7be74b735c84593e7c184a81669956f3 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -873,7 +873,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                break;
        case I915_EXEC_BSD:
                ring = &dev_priv->ring[VCS];
-               if (ctx_id != 0) {
+               if (ctx_id != DEFAULT_CONTEXT_ID) {
                        DRM_DEBUG("Ring %s doesn't support contexts\n",
                                  ring->name);
                        return -EPERM;
@@ -881,7 +881,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                break;
        case I915_EXEC_BLT:
                ring = &dev_priv->ring[BCS];
-               if (ctx_id != 0) {
+               if (ctx_id != DEFAULT_CONTEXT_ID) {
                        DRM_DEBUG("Ring %s doesn't support contexts\n",
                                  ring->name);
                        return -EPERM;
@@ -889,7 +889,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
                break;
        case I915_EXEC_VEBOX:
                ring = &dev_priv->ring[VECS];
-               if (ctx_id != 0) {
+               if (ctx_id != DEFAULT_CONTEXT_ID) {
                        DRM_DEBUG("Ring %s doesn't support contexts\n",
                                  ring->name);
                        return -EPERM;