DG2 does not use system DRAM information for BW_BUDDY programming or watermark workarounds, so there's no need to read this out at startup.
Cc: Anusha Srivatsa anusha.srivatsa@intel.com Signed-off-by: Matt Roper matthew.d.roper@intel.com --- drivers/gpu/drm/i915/intel_dram.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dram.c b/drivers/gpu/drm/i915/intel_dram.c index 879b0f007be3..9675bb94b70b 100644 --- a/drivers/gpu/drm/i915/intel_dram.c +++ b/drivers/gpu/drm/i915/intel_dram.c @@ -494,15 +494,15 @@ void intel_dram_detect(struct drm_i915_private *i915) struct dram_info *dram_info = &i915->dram_info; int ret;
+ if (GRAPHICS_VER(i915) < 9 || IS_DG2(i915) || !HAS_DISPLAY(i915)) + return; + /* * Assume level 0 watermark latency adjustment is needed until proven * otherwise, this w/a is not needed by bxt/glk. */ dram_info->wm_lv_0_adjust_needed = !IS_GEN9_LP(i915);
- if (GRAPHICS_VER(i915) < 9 || !HAS_DISPLAY(i915)) - return; - if (GRAPHICS_VER(i915) >= 12) ret = gen12_get_dram_info(i915); else if (GRAPHICS_VER(i915) >= 11)