diff options
| author | Michael Tretter <m.tretter@pengutronix.de> | 2020-09-11 15:54:09 +0200 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2021-07-21 22:27:09 +0200 |
| commit | 5070f11e8d7795f55990a45d351bc7c6cf90eafb (patch) | |
| tree | 0dd666cb155585711273d6d3141fdcf9ebc7df47 | |
| parent | 57bb163f808d1c65431f54d80cc998308e16d9de (diff) | |
| download | linux-5070f11e8d7795f55990a45d351bc7c6cf90eafb.tar.gz linux-5070f11e8d7795f55990a45d351bc7c6cf90eafb.tar.xz | |
drm/exynos: configure mode on drm bridge
The driver uses the encoder to get the mode that shall be configured.
This is not possible, if the driver is used as a bridge, because the
encoder might not be used.
Use the mode_set function to set the display mode.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_dsi.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index effcd609704e..b28df6adf7d9 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -288,6 +288,8 @@ struct exynos_dsi { u32 mode_flags; u32 format; + struct drm_display_mode mode; + int state; struct drm_property *brightness; struct completion completed; @@ -961,7 +963,7 @@ static int exynos_dsi_init_link(struct exynos_dsi *dsi) static void exynos_dsi_set_display_mode(struct exynos_dsi *dsi) { - struct drm_display_mode *m = &dsi->encoder.crtc->state->adjusted_mode; + struct drm_display_mode *m = &dsi->mode; unsigned int num_bits_resol = dsi->driver_data->num_bits_resol; u32 reg; @@ -1658,11 +1660,22 @@ static void exynos_dsi_bridge_disable(struct drm_bridge *bridge) exynos_dsi_disable(dsi); } +static void exynos_dsi_bridge_mode_set(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + const struct drm_display_mode *adjusted_mode) +{ + struct exynos_dsi *dsi = bridge->driver_private; + + /* The mode is set when actually enabling the device. */ + drm_mode_copy(&dsi->mode, adjusted_mode); +} + static const struct drm_bridge_funcs exynos_dsi_bridge_funcs = { .attach = exynos_dsi_bridge_attach, .detach = exynos_dsi_bridge_detach, .enable = exynos_dsi_bridge_enable, .disable = exynos_dsi_bridge_disable, + .mode_set = exynos_dsi_bridge_mode_set, }; MODULE_DEVICE_TABLE(of, exynos_dsi_of_match); |