diff options
| author | Matt Roper <matthew.d.roper@intel.com> | 2021-07-21 15:30:42 -0700 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2021-07-22 09:31:39 -0700 |
| commit | 5eb6bf0b44e7f21a2e6f4cdebdbb4ae9dd11f458 (patch) | |
| tree | b2b0582ab8c148c1487045a5f55e88eb0724459a /drivers/gpu/drm/i915 | |
| parent | 47753748ad05f662e54c15a3088d783e5f4772f2 (diff) | |
| download | linux-5eb6bf0b44e7f21a2e6f4cdebdbb4ae9dd11f458.tar.bz2 | |
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@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210721223043.834562-18-matthew.d.roper@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dram.c | 6 |
1 files 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) |