The bridge will not necessarily use the encoder of struct exynos_dsi,
but might use another encoder from another drm driver. Therefore, the
driver has to use the encoder from the bridge instead of the one from
exynos_dsi.
In the future, the struct exynos_dsi will not have an encoder at all.
Signed-off-by: Michael Tretter <m.tret...@pengutronix.de>
---
v2:
- add removal of encoder_to_dsi
---
drivers/gpu/drm/exynos/exynos_drm_dsi.c | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 988447812333..b9216785b2d7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -303,11 +303,6 @@ struct exynos_dsi {
#define host_to_dsi(host) container_of(host, struct exynos_dsi, dsi_host)
#define connector_to_dsi(c) container_of(c, struct exynos_dsi, connector)
-static inline struct exynos_dsi *encoder_to_dsi(struct drm_encoder *e)
-{
- return container_of(e, struct exynos_dsi, encoder);
-}
-
enum reg_idx {
DSIM_STATUS_REG, /* Status register */
DSIM_SWRST_REG, /* Software reset register */
@@ -1570,11 +1565,10 @@ static const struct drm_connector_helper_funcs
exynos_dsi_connector_helper_funcs
.get_modes = exynos_dsi_get_modes,
};
-static int exynos_dsi_create_connector(struct drm_encoder *encoder)
+static int exynos_dsi_create_connector(struct exynos_dsi *dsi)
{
- struct exynos_dsi *dsi = encoder_to_dsi(encoder);
struct drm_connector *connector = &dsi->connector;
- struct drm_device *drm = encoder->dev;
+ struct drm_device *drm = dsi->bridge.dev;
int ret;
connector->polled = DRM_CONNECTOR_POLL_HPD;
@@ -1589,7 +1583,7 @@ static int exynos_dsi_create_connector(struct drm_encoder
*encoder)
connector->status = connector_status_disconnected;
drm_connector_helper_add(connector, &exynos_dsi_connector_helper_funcs);
- drm_connector_attach_encoder(connector, encoder);
+ drm_connector_attach_encoder(connector, dsi->bridge.encoder);
if (!drm->registered)
return 0;
@@ -1615,7 +1609,7 @@ static int exynos_dsi_bridge_attach(struct drm_bridge
*bridge,
return ret;
list_splice_init(&encoder->bridge_chain, &dsi->bridge_chain);
} else {
- ret = exynos_dsi_create_connector(encoder);
+ ret = exynos_dsi_create_connector(dsi);
if (ret)
return ret;
--
2.20.1
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