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| author | Lucas Stach <l.stach@pengutronix.de> | 2020-11-21 18:27:14 +0100 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2021-07-21 22:27:10 +0200 |
| commit | 10615a28ea15dc9a48fc24b226d7ed3f16619112 (patch) | |
| tree | 47341441367d261c39a67147e99c53b8e0340ea6 /drivers/gpu/drm/bridge/samsung-dsim.c | |
| parent | 2e2b6854895cfe7a1eb216def7fc870ba41dba06 (diff) | |
| download | linux-10615a28ea15dc9a48fc24b226d7ed3f16619112.tar.gz linux-10615a28ea15dc9a48fc24b226d7ed3f16619112.tar.xz | |
drm/bridge: samsung-dsim: add mode_fixup host op
Some hosts need to change the mode flags passed on to the display
controller. Add a mode_fixup host op to allow hosts to hook into
this DRM bridge function.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/bridge/samsung-dsim.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/samsung-dsim.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c index 1ecbba2c5fca..cb2908bc1424 100644 --- a/drivers/gpu/drm/bridge/samsung-dsim.c +++ b/drivers/gpu/drm/bridge/samsung-dsim.c @@ -1463,12 +1463,26 @@ static void samsung_dsim_bridge_mode_set(struct drm_bridge *bridge, drm_mode_copy(&dsi->mode, adjusted_mode); } +static bool samsung_dsim_bridge_mode_fixup(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct samsung_dsim *dsi = bridge->driver_private; + const struct samsung_dsim_host_ops *ops = dsi->driver_data->host_ops; + + if (ops && ops->mode_fixup) + return ops->mode_fixup(dsi->dsi_host.dev, mode, adjusted_mode); + + return true; +} + static const struct drm_bridge_funcs samsung_dsim_bridge_funcs = { .attach = samsung_dsim_bridge_attach, .detach = samsung_dsim_bridge_detach, .enable = samsung_dsim_bridge_enable, .disable = samsung_dsim_bridge_disable, .mode_set = samsung_dsim_bridge_mode_set, + .mode_fixup = samsung_dsim_bridge_mode_fixup, }; static int samsung_dsim_host_attach(struct mipi_dsi_host *host, |