Re: [PATCH 2/2] drm/atomic: Create and use __drm_atomic_helper_crtc_reset() everywhere

Heiko Stuebner
2018-11-12T15:36:41Z

Am Montag, 12. November 2018, 16:01:14 CET schrieb Maarten Lankhorst:
> We already have __drm_atomic_helper_connector_reset() and
> __drm_atomic_helper_plane_reset(), extend this to crtc as well.
>
> Most drivers already have a gpu reset hook, correct it.
> Nouveau already implemented its own __drm_atomic_helper_crtc_reset(),
> convert it to the common one.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> index fb70fb486fbf..d2d5aa676084 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> @@ -1071,13 +1071,14 @@ static void vop_crtc_destroy(struct drm_crtc *crtc)
>
> static void vop_crtc_reset(struct drm_crtc *crtc)
> {
> + struct rockchip_crtc_state *crtc_state =
> + kzalloc(sizeof(*crtc_state), GFP_KERNEL);
> +
> if (crtc->state)
> __drm_atomic_helper_crtc_destroy_state(crtc->state);
> kfree(crtc->state);
>
> - crtc->state = kzalloc(sizeof(struct rockchip_crtc_state), GFP_KERNEL);
> - if (crtc->state)
> - crtc->state->crtc = crtc;
> + __drm_atomic_helper_crtc_reset(crtc, &crtc_state->base);
> }
>
> static struct drm_crtc_state *vop_crtc_duplicate_state(struct drm_crtc *crtc)

for the Rockchip-part
Acked-by: Heiko Stuebner <heiko@sntech.de>

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