diff options
| author | Philipp Zabel <p.zabel@pengutronix.de> | 2020-12-10 16:38:41 +0100 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2021-01-04 12:59:33 +0100 |
| commit | b0d0bf581fe2ece9128047fc3f919fa3018f1f94 (patch) | |
| tree | a3dad093d8a045357dc0d94be3cfd22dc35de1c3 /drivers/gpu/drm/imx | |
| parent | a495301a9f7b177fb8bb49f3edc7488aad0c0575 (diff) | |
drm/imx: imx-ldb: use drm managed resources
Use drmm_simple_encoder_alloc() to align encoder memory lifetime with
the drm device. drm_encoder_cleanup() is called automatically before
the memory is freed.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/imx')
| -rw-r--r-- | drivers/gpu/drm/imx/imx-ldb.c | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index c3639cc32ddf..dbfe39e2f7f6 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -22,6 +22,7 @@ #include <drm/drm_atomic_helper.h> #include <drm/drm_bridge.h> #include <drm/drm_fb_helper.h> +#include <drm/drm_managed.h> #include <drm/drm_of.h> #include <drm/drm_panel.h> #include <drm/drm_print.h> @@ -47,12 +48,18 @@ #define LDB_DI1_VS_POL_ACT_LOW (1 << 10) #define LDB_BGREF_RMODE_INT (1 << 15) +struct imx_ldb_channel; + +struct imx_ldb_encoder { + struct drm_connector connector; + struct drm_encoder encoder; + struct imx_ldb_channel *channel; +}; + struct imx_ldb; struct imx_ldb_channel { struct imx_ldb *ldb; - struct drm_connector connector; - struct drm_encoder encoder; /* Defines what is connected to the ldb, only one at a time */ struct drm_panel *panel; @@ -70,12 +77,12 @@ struct imx_ldb_channel { static inline struct imx_ldb_channel *con_to_imx_ldb_ch(struct drm_connector *c) { - return container_of(c, struct imx_ldb_channel, connector); + return container_of(c, struct imx_ldb_encoder, connector)->channel; } static inline struct imx_ldb_channel *enc_to_imx_ldb_ch(struct drm_encoder *e) { - return container_of(e, struct imx_ldb_channel, encoder); + return container_of(e, struct imx_ldb_encoder, encoder)->channel; } struct bus_mux { @@ -411,12 +418,19 @@ static int imx_ldb_register(struct drm_device *drm, struct imx_ldb_channel *imx_ldb_ch) { struct imx_ldb *ldb = imx_ldb_ch->ldb; - struct drm_connector *connector = &imx_ldb_ch->connector; - struct drm_encoder *encoder = &imx_ldb_ch->encoder; + struct imx_ldb_encoder *ldb_encoder; + struct drm_connector *connector; + struct drm_encoder *encoder; int ret; - memset(connector, 0, sizeof(*connector)); - memset(encoder, 0, sizeof(*encoder)); + ldb_encoder = drmm_simple_encoder_alloc(drm, struct imx_ldb_encoder, + encoder, DRM_MODE_ENCODER_LVDS); + if (IS_ERR(ldb_encoder)) + return PTR_ERR(ldb_encoder); + + ldb_encoder->channel = imx_ldb_ch; + connector = &ldb_encoder->connector; + encoder = &ldb_encoder->encoder; ret = imx_drm_encoder_parse_of(drm, encoder, imx_ldb_ch->child); if (ret) @@ -433,7 +447,6 @@ static int imx_ldb_register(struct drm_device *drm, } drm_encoder_helper_add(encoder, &imx_ldb_encoder_helper_funcs); - drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_LVDS); if (imx_ldb_ch->bridge) { ret = drm_bridge_attach(encoder, imx_ldb_ch->bridge, NULL, 0); |