[PATCH] drm/xe: Revert "drm/i915: Disable DSB in Xe KMD"

[Animesh Manna <animesh.manna@intel.com>]

This reverts commit c27f010aa1884276ee5dae72034d84987060c769.

After fix from [1] dsb timeout issue is not reproducible on local testing
with xe driver. Checking CI result to confirm and not for review.

[1] https://patchwork.freedesktop.org/series/130783/

Signed-off-by: Animesh Manna <animesh.manna@intel.com>
---
 drivers/gpu/drm/i915/display/intel_dsb.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c
index 2ab3765f6c06..e9c4835a2c30 100644
--- a/drivers/gpu/drm/i915/display/intel_dsb.c
+++ b/drivers/gpu/drm/i915/display/intel_dsb.c
@@ -463,10 +463,6 @@ struct intel_dsb *intel_dsb_prepare(struct intel_atomic_state *state,
 	if (!i915->display.params.enable_dsb)
 		return NULL;
 
-	/* TODO: DSB is broken in Xe KMD, so disabling it until fixed */
-	if (!IS_ENABLED(I915))
-		return NULL;
-
 	dsb = kzalloc(sizeof(*dsb), GFP_KERNEL);
 	if (!dsb)
 		goto out;
-- 
2.29.0