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drm/i915/wm: DG2 doesn't have dram info to look up wm_lv_0_adjust_needed

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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 <vinod.govindapillai@intel.com>
Link: https://lore.kernel.org/r/a866641bff364dcfcaaabaa1d53c4a8cfa94ff3f.1748337870.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula
2025-05-27 12:25:23 +03:00
parent 612abe44f7
commit ca37e99ec9
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/display/skl_watermark.c
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@@ -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;
}