Add macro to check if platform supports Ultrajoiner.
v2:
-Use check for DISPLAY_VER >= 20, and add bmg as a special case. (Ville)
-Add check for HAS_DSC. (Ville)
Signed-off-by: Ankit Nautiyal <ankit.k.nauti...@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_display_device.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h
b/drivers/gpu/drm/i915/display/intel_display_device.h
index 6a5bee59e6aa..220cca6333ee 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.h
+++ b/drivers/gpu/drm/i915/display/intel_display_device.h
@@ -154,6 +154,9 @@ enum intel_display_subplatform {
#define HAS_TRANSCODER(i915, trans)
((DISPLAY_RUNTIME_INFO(i915)->cpu_transcoder_mask & \
BIT(trans)) != 0)
#define HAS_UNCOMPRESSED_JOINER(i915) (DISPLAY_VER(i915) >= 13)
+#define HAS_ULTRAJOINER(i915) ((DISPLAY_VER(i915) >= 20 || \
+ (IS_DGFX(i915) && DISPLAY_VER(i915)
== 14)) && \
+ HAS_DSC(i915))
#define HAS_VRR(i915) (DISPLAY_VER(i915) >= 11)
#define HAS_AS_SDP(i915) (DISPLAY_VER(i915) >= 13)
#define HAS_CMRR(i915) (DISPLAY_VER(i915) >= 20)
--
2.45.2
