Am Mittwoch, 9. Juli 2025, 09:01:39 Mitteleuropäische Sommerzeit schrieb Damon
Ding:
> Apply drm_bridge_connector helper for Analogix DP driver.
>
> The following changes have been made:
> - Remove &analogix_dp_device.connector and change
> &analogix_dp_device.bridge from a pointer to an instance.
> - Apply devm_drm_bridge_alloc() to allocate &analogix_dp_device that
> contains &drm_bridge.
> - Apply drm_bridge_connector helper to get rid of &drm_connector_funcs
> and &drm_connector_helper_funcs.
>
> Signed-off-by: Damon Ding <damon.d...@rock-chips.com>
>
> ------
>
> Changes in v2:
> - For &drm_bridge.ops, remove DRM_BRIDGE_OP_HPD and add
> DRM_BRIDGE_OP_EDID.
> - Add analogix_dp_bridge_edid_read().
> - Move &analogix_dp_plat_data.skip_connector deletion to the previous
> patches.
> ---
> .../drm/bridge/analogix/analogix_dp_core.c | 169 ++++++++----------
> .../drm/bridge/analogix/analogix_dp_core.h | 4 +-
> 2 files changed, 80 insertions(+), 93 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> index abc64cc17e4c..fb510e55ef06 100644
> --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c
> @@ -23,6 +23,7 @@
> #include <drm/drm_atomic.h>
> #include <drm/drm_atomic_helper.h>
> #include <drm/drm_bridge.h>
> +#include <drm/drm_bridge_connector.h>
> #include <drm/drm_crtc.h>
> #include <drm/drm_device.h>
> #include <drm/drm_edid.h>
> @@ -948,23 +949,13 @@ static int analogix_dp_disable_psr(struct
> analogix_dp_device *dp)
> return analogix_dp_send_psr_spd(dp, &psr_vsc, true);
> }
>
> -static int analogix_dp_get_modes(struct drm_connector *connector)
> +static int analogix_dp_bridge_get_modes(struct drm_bridge *bridge, struct
> drm_connector *connector)
> {
> - struct analogix_dp_device *dp = to_dp(connector);
> - const struct drm_edid *drm_edid;
> + struct analogix_dp_device *dp = to_dp(bridge);
> int num_modes = 0;
>
> if (dp->plat_data->panel) {
> num_modes += drm_panel_get_modes(dp->plat_data->panel,
> connector);
here is one example where a panel_bridge would help :-)
I.e. I'd think without it the code would need some sort of
if (dp->plat_data->bridge) {
num_modes += drm_bridge_get_modes(dp->plat_data->bridge,
connector);
thing?
> - } else {
> - drm_edid = drm_edid_read_ddc(connector, &dp->aux.ddc);
> -
> - drm_edid_connector_update(&dp->connector, drm_edid);
> -
> - if (drm_edid) {
> - num_modes +=
> drm_edid_connector_add_modes(&dp->connector);
> - drm_edid_free(drm_edid);
> - }
> }
>
> if (dp->plat_data->get_modes)
