[RESEND 3/6] drm/i915/wm: DG2 doesn't have dram info to look up wm_lv_0_adjust_needed

[Jani Nikula]

There's no dram info on DG2 that we could use. The struct dram_info is
all zero on it, but be explicit about this.

Signed-off-by: Jani Nikula <jani.nik...@intel.com>
---
 drivers/gpu/drm/i915/display/skl_watermark.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c 
b/drivers/gpu/drm/i915/display/skl_watermark.c
index f5600f4b7772..817939f6d4dd 100644
--- a/drivers/gpu/drm/i915/display/skl_watermark.c
+++ b/drivers/gpu/drm/i915/display/skl_watermark.c
@@ -3251,7 +3251,7 @@ adjust_wm_latency(struct intel_display *display,
         * any underrun. If not able to get Dimm info assume 16GB dimm
         * to avoid any underrun.
         */
-       if (dram_info->wm_lv_0_adjust_needed)
+       if (!display->platform.dg2 && dram_info->wm_lv_0_adjust_needed)
                wm[0] += 1;
 }
 
-- 
2.39.5