diff options
| author | Philipp Zabel <p.zabel@pengutronix.de> | 2020-12-10 18:38:29 +0300 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2021-01-04 14:59:33 +0300 |
| commit | 59abba48c4299481053411f6a4de5df67b2c998f (patch) | |
| tree | 7c027233a646078e8dddd04983fc82a6cfc8f99c /drivers/gpu/drm/drm_simple_kms_helper.c | |
| parent | ca5092d04d86986c03b6e0042e2f1cd119c50f5d (diff) | |
| download | linux-59abba48c4299481053411f6a4de5df67b2c998f.tar.xz | |
drm/simple_kms_helper: add drmm_simple_encoder_alloc()
Add an alternative to drm_simple_encoder_init() that allocates and
initializes a simple encoder and registers drm_encoder_cleanup() with
drmm_add_action_or_reset().
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_simple_kms_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_simple_kms_helper.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c index 743e57c1b44f..6ce8f5cd1eb5 100644 --- a/drivers/gpu/drm/drm_simple_kms_helper.c +++ b/drivers/gpu/drm/drm_simple_kms_helper.c @@ -9,6 +9,7 @@ #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_bridge.h> +#include <drm/drm_managed.h> #include <drm/drm_plane_helper.h> #include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> @@ -55,8 +56,9 @@ static const struct drm_encoder_funcs drm_simple_encoder_funcs_cleanup = { * stored in the device structure. Free the encoder's memory as part of * the device release function. * - * FIXME: Later improvements to DRM's resource management may allow for - * an automated kfree() of the encoder's memory. + * Note: consider using drmm_simple_encoder_alloc() instead of + * drm_simple_encoder_init() to let the DRM managed resource infrastructure + * take care of cleanup and deallocation. * * Returns: * Zero on success, error code on failure. @@ -71,6 +73,14 @@ int drm_simple_encoder_init(struct drm_device *dev, } EXPORT_SYMBOL(drm_simple_encoder_init); +void *__drmm_simple_encoder_alloc(struct drm_device *dev, size_t size, + size_t offset, int encoder_type) +{ + return __drmm_encoder_alloc(dev, size, offset, NULL, encoder_type, + NULL); +} +EXPORT_SYMBOL(__drmm_simple_encoder_alloc); + static enum drm_mode_status drm_simple_kms_crtc_mode_valid(struct drm_crtc *crtc, const struct drm_display_mode *mode) |