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drm/rockchip: analogix_dp: add support for rockchip,data-swap config

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The rockchip,data-swap can help to swap left and right channel
display data in dual channel mode.

Change-Id: I9da870852421e12477027cb74ee01ee9a951c14f
Signed-off-by: Damon Ding <damon.ding@rock-chips.com>
This commit is contained in:
Damon Ding 2024-09-19 16:54:36 +08:00
commit 3b3c3db2c0
2 changed files with 5 additions and 1 deletions
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5
drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
View file

@ -501,7 +501,8 @@ rockchip_dp_drm_encoder_atomic_check(struct drm_encoder *encoder,
s->output_type = DRM_MODE_CONNECTOR_eDP;
if (dp->plat_data.split_mode) {
s->output_flags |= ROCKCHIP_OUTPUT_DUAL_CHANNEL_LEFT_RIGHT_MODE;
s->output_flags |= dp->id ? ROCKCHIP_OUTPUT_DATA_SWAP : 0;
if (dp->id || dp->plat_data.dual_channel_swap)
s->output_flags |= ROCKCHIP_OUTPUT_DATA_SWAP;
s->output_if |= VOP_OUTPUT_IF_eDP0 | VOP_OUTPUT_IF_eDP1;
s->output_if_left_panel |= dp->id ? VOP_OUTPUT_IF_eDP1 : VOP_OUTPUT_IF_eDP0;
} else if (dp->plat_data.dual_connector_split) {
@ -770,6 +771,8 @@ static int rockchip_dp_probe(struct platform_device *pdev)
dp->plat_data.dual_channel_mode =
device_property_read_bool(dev, "dual-channel") ||
device_property_read_bool(dev, "rockchip,dual-channel");
dp->plat_data.dual_channel_swap =
device_property_read_bool(dev, "rockchip,data-swap");
secondary->plat_data.panel = dp->plat_data.panel;
secondary->plat_data.left = dp->adp;
secondary->plat_data.split_mode = true;

1
include/drm/bridge/analogix_dp.h
View file

@ -46,6 +46,7 @@ struct analogix_dp_plat_data {
bool split_mode;
bool dual_channel_mode;
bool dual_channel_swap;
/* split with other display interface */
bool dual_connector_split;