Revert "drm/i915: Disable DSB usage for now"

This reverts commit 99510e1a.

DSB is now getting disabled locally in the color management
code so we don't need to apply this big hammer via the device
info (not that we have other DSB users at the moment).
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221123152638.20622-12-ville.syrjala@linux.intel.comReviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>

drivers/gpu/drm/i915/i915_pci.c

@@ -889,7 +889,7 @@ static const struct intel_device_info jsl_info = {
 	TGL_CURSOR_OFFSETS, \
 	.has_global_mocs = 1, \
 	.has_pxp = 1, \
-	.display.has_dsb = 0 /* FIXME: LUT load is broken with DSB */
+	.display.has_dsb = 1
 
 static const struct intel_device_info tgl_info = {
 	GEN12_FEATURES,