[PATCH 15/16] drm/i915/display: Consider ultrajoiner for computing maxdotclock

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Use the check for ultrajoiner while computing maxdotclock.

v2: Add Check for HAS_UNCOMPRESSED_JOINER. (Ville)

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_display.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 22ff3e225140..4c31d398ca4b 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -8189,8 +8189,10 @@ static int max_dotclock(struct drm_i915_private *i915)
 {
 	int max_dotclock = i915->display.cdclk.max_dotclk_freq;
 
-	/* icl+ might use joiner */
-	if (HAS_BIGJOINER(i915))
+	if (HAS_ULTRAJOINER(i915))
+		max_dotclock *= 4;
+
+	else if (HAS_UNCOMPRESSED_JOINER(i915) || HAS_BIGJOINER(i915))
 		max_dotclock *= 2;
 
 	return max_dotclock;
-- 
2.45.2




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