[PATCH] drm/i915/dsb: Disable GOSUB interrupt

[Chaitanya Kumar Borah]

DSB engine generates spurious interrupts if any dword starting with 0x0c
is part of the indexed write command within a GOSUB buffer. This renders
the GOSUB interrupt unusable. Hence, disable it for now without removing
the infrastructure in case we can use it in future.

Fixes: 78f237a6a61b ("drm/i915/dsb: Add support for GOSUB interrupt")
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dsb.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c
index 1a03c0ef2054..68166c7e89e9 100644
--- a/drivers/gpu/drm/i915/display/intel_dsb.c
+++ b/drivers/gpu/drm/i915/display/intel_dsb.c
@@ -673,9 +673,6 @@ static u32 dsb_error_int_en(struct intel_display *display)
 	if (DISPLAY_VER(display) >= 14)
 		errors |= DSB_ATS_FAULT_INT_EN;
 
-	if (DISPLAY_VER(display) >= 30)
-		errors |= DSB_GOSUB_INT_EN;
-
 	return errors;
 }
 
-- 
2.25.1