diff options
| author | Jessica Zhang <quic_jesszhan@quicinc.com> | 2023-08-22 20:42:05 +0300 |
|---|---|---|
| committer | Dmitry Baryshkov <dmitry.baryshkov@linaro.org> | 2023-10-09 12:17:46 +0300 |
| commit | 97f038db2168a69a56bb660936f0079be89387dc (patch) | |
| tree | 364316c9d97b36026bf9dcff352cf35633a6e25b /drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c | |
| parent | 14be80ae940c7fe5d593c4a05d0bd6d93f1eaaf9 (diff) | |
| download | linux-97f038db2168a69a56bb660936f0079be89387dc.tar.xz | |
drm/msm/dpu: Enable widebus for DSI INTF
DPU supports a data-bus widen mode for DSI INTF.
Enable this mode for all supported chipsets if widebus is enabled for DSI.
Signed-off-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/553756/
Link: https://lore.kernel.org/r/20230822-add-widebus-support-v4-2-9dc86083d6ea@quicinc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c index 8ec6505d9e78..5dcc83dd47ef 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_intf.c @@ -521,6 +521,9 @@ static void dpu_hw_intf_program_intf_cmd_cfg(struct dpu_hw_intf *ctx, if (cmd_mode_cfg->data_compress) intf_cfg2 |= INTF_CFG2_DCE_DATA_COMPRESS; + if (cmd_mode_cfg->wide_bus_en) + intf_cfg2 |= INTF_CFG2_DATABUS_WIDEN; + DPU_REG_WRITE(&ctx->hw, INTF_CONFIG2, intf_cfg2); } @@ -545,6 +548,10 @@ static void _setup_intf_ops(struct dpu_hw_intf_ops *ops, ops->disable_autorefresh = dpu_hw_intf_disable_autorefresh; } + /* Technically, INTF_CONFIG2 is present for DPU 5.0+, but + * we can configure it for DPU 7.0+ since the wide bus and DSC flags + * would not be set for DPU < 7.0 anyways + */ if (mdss_rev->core_major_ver >= 7) ops->program_intf_cmd_cfg = dpu_hw_intf_program_intf_cmd_cfg; } |