On 12.09.2025 10:58, Damon Ding wrote: > PATCH 1 is a small format optimization for struct analogid_dp_device. > PATCH 2 is to perform mode setting in &drm_bridge_funcs.atomic_enable. > PATCH 3-9 are preparations for apply drm_bridge_connector helper. > PATCH 10 is to apply the drm_bridge_connector helper. > PATCH 11-14 are to move the panel/bridge parsing to the Analogix side. > PATCH 15-16 are preparations for apply panel_bridge helper. > PATCH 17 is to apply the panel_bridge helper. > > Damon Ding (17): > drm/bridge: analogix_dp: Formalize the struct analogix_dp_device > drm/bridge: analogix_dp: Move &drm_bridge_funcs.mode_set to > &drm_bridge_funcs.atomic_enable > drm/bridge: analogix_dp: Add &analogix_dp_plat_data.next_bridge > drm/exynos: exynos_dp: Remove &exynos_dp_device.ptn_bridge > drm/exynos: exynos_dp: Remove unused &exynos_dp_device.connector > drm/bridge: analogix_dp: Remove redundant > &analogix_dp_plat_data.skip_connector > drm/exynos: exynos_dp: Add legacy bridge to parse the display-timings > node > drm/bridge: analogix_dp: Move the color format check to > .atomic_check() for Rockchip platforms > drm/bridge: analogix_dp: Remove unused > &analogix_dp_plat_data.get_modes() > drm/bridge: analogix_dp: Apply drm_bridge_connector helper > drm/bridge: analogix_dp: Add new API analogix_dp_finish_probe() > drm/rockchip: analogix_dp: Apply analogix_dp_finish_probe() > drm/rockchip: analogix_dp: Apply &analogix_dp_plat_data.attach() to > attach next bridge > drm/exynos: exynos_dp: Apply analogix_dp_finish_probe() > drm/bridge: analogix_dp: Remove panel disabling and enabling in > analogix_dp_set_bridge() > drm/bridge: analogix_dp: Remove bridge disabing and panel unpreparing > in analogix_dp_unbind() > drm/bridge: analogix_dp: Apply panel_bridge helper > > drivers/gpu/drm/bridge/analogix/Kconfig | 1 + > .../drm/bridge/analogix/analogix_dp_core.c | 394 ++++++++++-------- > .../drm/bridge/analogix/analogix_dp_core.h | 5 +- > drivers/gpu/drm/exynos/exynos_dp.c | 168 ++++---- > drivers/gpu/drm/rockchip/Kconfig | 1 - > .../gpu/drm/rockchip/analogix_dp-rockchip.c | 74 ++-- > include/drm/bridge/analogix_dp.h | 9 +- > 7 files changed, 342 insertions(+), 310 deletions(-) > > --- > > Changes in v2: > - Update Exynos DP driver synchronously. > - Move the panel/bridge parsing to the Analogix side. > > Changes in v3: > - Rebase for the existing devm_drm_bridge_alloc() applying commit. > - Fix the typographical error of panel/bridge check in exynos_dp_bind(). > - Squash all commits related to skip_connector deletion in both Exynos and > Analogix code into one. > - Apply panel_bridge helper to make the codes more concise. > - Fix the handing of bridge in analogix_dp_bridge_get_modes(). > - Remove unnecessary parameter struct drm_connector* for callback > &analogix_dp_plat_data.attach(). > - In order to decouple the connector driver and the bridge driver, move > the bridge connector initilization to the Rockchip and Exynos sides. > > Changes in v4: > - Rebase for the applied &drm_bridge_funcs.detect() modification commit. > - Rename analogix_dp_find_panel_or_bridge() to analogix_dp_finish_probe(). > - Drop the drmm_encoder_init() modification commit. > - Rename the &analogix_dp_plat_data.bridge to > &analogix_dp_plat_data.next_bridge. > > Changes in v5: > - Add legacy bridge to parse the display-timings node under the dp node > for Exynos side. > - Move color format check to &drm_connector_helper_funcs.atomic_check() > in order to get rid of &analogix_dp_plat_data.get_modes(). > - Remove unused callback &analogix_dp_plat_data.get_modes(). > - Distinguish the &drm_bridge->ops of Analogix bridge based on whether > the downstream device is a panel, a bridge or neither. > - Select DRM_DISPLAY_DP_AUX_BUS for DRM_ANALOGIX_DP, and remove it for > ROCKCHIP_ANALOGIX_DP. > - Apply rockchip_dp_attach() to support the next bridge attachment for > the Rockchip side. > - Move next_bridge attachment from Analogix side to Rockchip/Exynos sides.
Exynos part still lacks "select DRM_BRIDGE_CONNECTOR" in Kconfig, besides that it works fine on all my test boards. Fix this issue and feel free to add: Tested-by: Marek Szyprowski <m.szyprow...@samsung.com> Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland