From: Jani Nikula Date: Tue, 27 May 2025 09:25:23 +0000 (+0300) Subject: drm/i915/wm: DG2 doesn't have dram info to look up wm_lv_0_adjust_needed X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ca37e99ec96dd344c3c2e8b06a33fbcd2b47f4bb;p=thirdparty%2Flinux.git drm/i915/wm: DG2 doesn't have dram info to look up wm_lv_0_adjust_needed 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. Reviewed-by: Vinod Govindapillai Link: https://lore.kernel.org/r/a866641bff364dcfcaaabaa1d53c4a8cfa94ff3f.1748337870.git.jani.nikula@intel.com Signed-off-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c index f5600f4b77721..817939f6d4ddf 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; }