On Tue, Mar 03, 2020 at 08:18:07AM +0100, Thomas Zimmermann wrote:
> Brings the documentation of drm_simple_encoder_init() in sync with the
> function's signature.
>
> Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
> Fixes: 63170ac6f2e8 ("drm/simple-kms: Add drm_simple_encoder_{init,create}()")
> Cc: Sam Ravnborg <s...@ravnborg.org>
> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
> Cc: Maxime Ripard <mrip...@kernel.org>
> Cc: David Airlie <airl...@linux.ie>
> Cc: Daniel Vetter <dan...@ffwll.ch>
> Cc: dri-devel@lists.freedesktop.org
> ---
> drivers/gpu/drm/drm_simple_kms_helper.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c
> b/drivers/gpu/drm/drm_simple_kms_helper.c
> index 5a2abe2dea3e..2fab80aaf52e 100644
> --- a/drivers/gpu/drm/drm_simple_kms_helper.c
> +++ b/drivers/gpu/drm/drm_simple_kms_helper.c
> @@ -40,7 +40,7 @@ static const struct drm_encoder_funcs
> drm_simple_encoder_funcs_cleanup = {
> /**
> * drm_simple_encoder_init - Initialize a preallocated encoder
> * @dev: drm device
> - * @funcs: callbacks for this encoder
> + * @encoder: the encoder to initialize
> * @encoder_type: user visible type of the encoder
> *
> * Initialises a preallocated encoder that has no further functionality.
btw reading this I just realized ... who does the kfree on the memory
containing the encoder? The ->destroy hook doesn't do that, and without
that the only other option thus far is devm_kzalloc, which is wrong.
drmm_kzalloc would fix this, but we don't have that yet.
How does this work? Maybe add a FIXME note that right now this can only
really be used if the encoder is embedded into something else that's
getting freed ...
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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