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drm/msm/dp: extract MISC1_MISC0 configuration into a separate function

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Refactor the MISC1_MISC0 register configuration into a standalone helper
function to support MST.

Signed-off-by: Yongxing Mou <yongxing.mou@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/742735/
Link: https://lore.kernel.org/r/20260728-dp_mstclean-v9-5-f7779fce10f4@oss.qualcomm.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
This commit is contained in:
Yongxing Mou 2026-07-28 18:21:34 +08:00 committed by Dmitry Baryshkov
parent 7de83c2129
commit 3a1edd5ac0
1 changed files with 15 additions and 8 deletions
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23
drivers/gpu/drm/msm/dp/dp_ctrl.c
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@ -462,17 +462,13 @@ static void msm_dp_ctrl_lane_mapping(struct msm_dp_ctrl_private *ctrl)
ln_mapping);
}
static void msm_dp_ctrl_configure_source_params(struct msm_dp_ctrl_private *ctrl)
static void msm_dp_ctrl_config_misc1_misc0(struct msm_dp_ctrl_private *ctrl,
struct msm_dp_panel *msm_dp_panel)
{
u32 colorimetry_cfg, test_bits_depth, misc_val;
msm_dp_ctrl_lane_mapping(ctrl);
msm_dp_setup_peripheral_flush(ctrl);
msm_dp_ctrl_config_ctrl_link(ctrl);
msm_dp_ctrl_config_ctrl_streams(ctrl, ctrl->panel);
test_bits_depth = msm_dp_link_get_test_bits_depth(ctrl->link, ctrl->panel->msm_dp_mode.bpp);
test_bits_depth = msm_dp_link_get_test_bits_depth(ctrl->link,
msm_dp_panel->msm_dp_mode.bpp);
colorimetry_cfg = msm_dp_link_get_colorimetry_config(ctrl->link);
misc_val = msm_dp_read_link(ctrl, REG_DP_MISC1_MISC0);
@ -486,6 +482,17 @@ static void msm_dp_ctrl_configure_source_params(struct msm_dp_ctrl_private *ctrl
drm_dbg_dp(ctrl->drm_dev, "misc settings = 0x%x\n", misc_val);
msm_dp_write_link(ctrl, REG_DP_MISC1_MISC0, misc_val);
}
static void msm_dp_ctrl_configure_source_params(struct msm_dp_ctrl_private *ctrl)
{
msm_dp_ctrl_lane_mapping(ctrl);
msm_dp_setup_peripheral_flush(ctrl);
msm_dp_ctrl_config_ctrl_link(ctrl);
msm_dp_ctrl_config_ctrl_streams(ctrl, ctrl->panel);
msm_dp_ctrl_config_misc1_misc0(ctrl, ctrl->panel);
msm_dp_panel_timing_cfg(ctrl->panel, ctrl->msm_dp_ctrl.wide_bus_en);
}