> -----Original Message----- > From: Roper, Matthew D <matthew.d.roper@xxxxxxxxx> > Sent: Tuesday, July 13, 2021 8:15 PM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: Roper, Matthew D <matthew.d.roper@xxxxxxxxx>; Srivatsa, Anusha > <anusha.srivatsa@xxxxxxxxx> > Subject: [PATCH v2 39/50] drm/i915/dg2: Don't read DRAM info > > 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@xxxxxxxxx> > Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx> Reviewed-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx> > --- > 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) > -- > 2.25.4 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
