diff options
| author | Bjorn Andersson <quic_bjorande@quicinc.com> | 2023-11-30 16:35:01 -0800 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-12-03 03:13:17 +0300 |
| commit | 7cc2621f16b644bb7af37987cb471311641a9e56 (patch) | |
| tree | d0776567598b90386a687e9ef0e8f994e8087680 /drivers | |
| parent | 9cad81143ef000695b32e92048d8ec0481e5ea3d (diff) | |
drm/msm/dpu: Add missing safe_lut_tbl in sc8180x catalog
Similar to SC8280XP, the misconfigured SAFE logic causes rather
significant delays in __arm_smmu_tlb_sync(), resulting in poor
performance for things such as USB.
Introduce appropriate SAFE values for SC8180X to correct this.
Fixes: f3af2d6ee9ab ("drm/msm/dpu: Add SC8180x to hw catalog")
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reported-by: Anton Bambura <jenneron@postmarketos.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/569840/
Link: https://lore.kernel.org/r/20231130-sc8180x-dpu-safe-lut-v1-1-a8a6bbac36b8@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h index e07f4c8c25b9..9ffc8804a6fc 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h +++ b/drivers/gpu/drm/msm/disp/dpu1/catalog/dpu_5_1_sc8180x.h @@ -367,6 +367,7 @@ static const struct dpu_perf_cfg sc8180x_perf_data = { .min_llcc_ib = 800000, .min_dram_ib = 800000, .danger_lut_tbl = {0xf, 0xffff, 0x0}, + .safe_lut_tbl = {0xfff0, 0xf000, 0xffff}, .qos_lut_tbl = { {.nentry = ARRAY_SIZE(sc7180_qos_linear), .entries = sc7180_qos_linear |