Hi Thomas.
Just browsing code..
On Thu, Jul 02, 2020 at 01:50:27PM +0200, Thomas Zimmermann wrote:
> Struct ast_crtc has been cleaned up and it's now a wrapper around the
> DRM CRTC structure struct drm_crtc. This patch converts the driver to
> struct drm_crtc and removes struct ast_crtc.
>
> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Why is it we cannot embed struct drm_crtc?
And I also failed to see where is is de-allocated - but surely I miss
something obvious here.
Sam
> ---
> drivers/gpu/drm/ast/ast_drv.h | 5 -----
> drivers/gpu/drm/ast/ast_mode.c | 11 ++++++-----
> 2 files changed, 6 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
> index ea4de3dce2c4..77226e2fd7c0 100644
> --- a/drivers/gpu/drm/ast/ast_drv.h
> +++ b/drivers/gpu/drm/ast/ast_drv.h
> @@ -238,11 +238,6 @@ struct ast_connector {
> struct ast_i2c_chan *i2c;
> };
>
> -struct ast_crtc {
> - struct drm_crtc base;
> -};
> -
> -#define to_ast_crtc(x) container_of(x, struct ast_crtc, base)
> #define to_ast_connector(x) container_of(x, struct ast_connector, base)
>
> struct ast_vbios_stdtable {
> diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
> index 89d9ee0a9e81..43c9686ba0f7 100644
> --- a/drivers/gpu/drm/ast/ast_mode.c
> +++ b/drivers/gpu/drm/ast/ast_mode.c
> @@ -881,21 +881,22 @@ static const struct drm_crtc_funcs ast_crtc_funcs = {
> static int ast_crtc_init(struct drm_device *dev)
> {
> struct ast_private *ast = to_ast_private(dev);
> - struct ast_crtc *crtc;
> + struct drm_crtc *crtc;
> int ret;
>
> - crtc = kzalloc(sizeof(struct ast_crtc), GFP_KERNEL);
> + crtc = kzalloc(sizeof(*crtc), GFP_KERNEL);
> if (!crtc)
> return -ENOMEM;
>
> - ret = drm_crtc_init_with_planes(dev, &crtc->base, &ast->primary_plane,
> + ret = drm_crtc_init_with_planes(dev, crtc, &ast->primary_plane,
> &ast->cursor_plane, &ast_crtc_funcs,
> NULL);
> if (ret)
> goto err_kfree;
>
> - drm_mode_crtc_set_gamma_size(&crtc->base, 256);
> - drm_crtc_helper_add(&crtc->base, &ast_crtc_helper_funcs);
> + drm_mode_crtc_set_gamma_size(crtc, 256);
> + drm_crtc_helper_add(crtc, &ast_crtc_helper_funcs);
> +
> return 0;
>
> err_kfree:
> --
> 2.27.0
>
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