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 --- Changes since v3: - use drmm_simple_encoder_alloc() --- drivers/gpu/drm/imx/parallel-display.c | 57 +++++++++++++------------- 1 file changed, 29 insertions(+), 28 deletions(-)
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 42b44dbf45f5..9b1ec7e73c30 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -15,6 +15,7 @@ #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_probe_helper.h> @@ -22,10 +23,14 @@
#include "imx-drm.h"
-struct imx_parallel_display { +struct imx_parallel_display_encoder { struct drm_connector connector; struct drm_encoder encoder; struct drm_bridge bridge; + struct imx_parallel_display *pd; +}; + +struct imx_parallel_display { struct device *dev; void *edid; u32 bus_format; @@ -37,12 +42,12 @@ struct imx_parallel_display {
static inline struct imx_parallel_display *con_to_imxpd(struct drm_connector *c) { - return container_of(c, struct imx_parallel_display, connector); + return container_of(c, struct imx_parallel_display_encoder, connector)->pd; }
static inline struct imx_parallel_display *bridge_to_imxpd(struct drm_bridge *b) { - return container_of(b, struct imx_parallel_display, bridge); + return container_of(b, struct imx_parallel_display_encoder, bridge)->pd; }
static int imx_pd_connector_get_modes(struct drm_connector *connector) @@ -253,17 +258,25 @@ static const struct drm_bridge_funcs imx_pd_bridge_funcs = { .atomic_get_output_bus_fmts = imx_pd_bridge_atomic_get_output_bus_fmts, };
-static int imx_pd_register(struct drm_device *drm, - struct imx_parallel_display *imxpd) +static int imx_pd_bind(struct device *dev, struct device *master, void *data) { - struct drm_connector *connector = &imxpd->connector; - struct drm_encoder *encoder = &imxpd->encoder; - struct drm_bridge *bridge = &imxpd->bridge; + struct drm_device *drm = data; + struct imx_parallel_display *imxpd = dev_get_drvdata(dev); + struct imx_parallel_display_encoder *imxpd_encoder; + struct drm_connector *connector; + struct drm_encoder *encoder; + struct drm_bridge *bridge; int ret;
- memset(connector, 0, sizeof(*connector)); - memset(encoder, 0, sizeof(*encoder)); - memset(bridge, 0, sizeof(*bridge)); + imxpd_encoder = drmm_simple_encoder_alloc(drm, struct imx_parallel_display_encoder, + encoder, DRM_MODE_ENCODER_NONE); + if (IS_ERR(imxpd_encoder)) + return PTR_ERR(imxpd_encoder); + + imxpd_encoder->pd = imxpd; + connector = &imxpd_encoder->connector; + encoder = &imxpd_encoder->encoder; + bridge = &imxpd_encoder->bridge;
ret = imx_drm_encoder_parse_of(drm, encoder, imxpd->dev->of_node); if (ret) @@ -276,18 +289,9 @@ static int imx_pd_register(struct drm_device *drm, */ connector->dpms = DRM_MODE_DPMS_OFF;
- drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_NONE); - bridge->funcs = &imx_pd_bridge_funcs; drm_bridge_attach(encoder, bridge, NULL, 0);
- if (!imxpd->next_bridge) { - drm_connector_helper_add(connector, - &imx_pd_connector_helper_funcs); - drm_connector_init(drm, connector, &imx_pd_connector_funcs, - DRM_MODE_CONNECTOR_DPI); - } - if (imxpd->next_bridge) { ret = drm_bridge_attach(encoder, imxpd->next_bridge, bridge, 0); if (ret < 0) { @@ -296,20 +300,17 @@ static int imx_pd_register(struct drm_device *drm, return ret; } } else { + drm_connector_helper_add(connector, + &imx_pd_connector_helper_funcs); + drm_connector_init(drm, connector, &imx_pd_connector_funcs, + DRM_MODE_CONNECTOR_DPI); + drm_connector_attach_encoder(connector, encoder); }
return 0; }
-static int imx_pd_bind(struct device *dev, struct device *master, void *data) -{ - struct drm_device *drm = data; - struct imx_parallel_display *imxpd = dev_get_drvdata(dev); - - return imx_pd_register(drm, imxpd); -} - static const struct component_ops imx_pd_ops = { .bind = imx_pd_bind, };