On Fri, Mar 01, 2019 at 01:56:20PM +0100, Maarten Lankhorst wrote:
> Convert msm to using __drm_atomic_helper_crtc_reset(), instead of
> writing its own version. Instead of open coding
> destroy_state(), call it directly for freeing the old state.
>
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> Cc: Rob Clark <robdclark@xxxxxxxxx>
> Cc: Sean Paul <sean@xxxxxxxxxx>
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 6 ++---
> drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c | 28 +++++++++--------------
> 2 files changed, 13 insertions(+), 21 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> index b776fca571f3..eb156cb73dd4 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> @@ -753,14 +753,12 @@ void dpu_crtc_commit_kickoff(struct drm_crtc *crtc, bool async)
>
> static void dpu_crtc_reset(struct drm_crtc *crtc)
> {
> - struct dpu_crtc_state *cstate;
> + struct dpu_crtc_state *cstate = kzalloc(sizeof(*cstate), GFP_KERNEL);
>
> if (crtc->state)
> dpu_crtc_destroy_state(crtc, crtc->state);
>
> - crtc->state = kzalloc(sizeof(*cstate), GFP_KERNEL);
> - if (crtc->state)
> - crtc->state->crtc = crtc;
> + __drm_atomic_helper_crtc_reset(crtc, &cstate->base);
> }
>
> /**
> diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
> index b0cf63c4e3d7..bf24a08feab9 100644
> --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
> +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c
> @@ -1002,23 +1002,6 @@ mdp5_crtc_atomic_print_state(struct drm_printer *p,
> drm_printf(p, "\tcmd_mode=%d\n", mdp5_cstate->cmd_mode);
> }
>
> -static void mdp5_crtc_reset(struct drm_crtc *crtc)
> -{
> - struct mdp5_crtc_state *mdp5_cstate;
> -
> - if (crtc->state) {
> - __drm_atomic_helper_crtc_destroy_state(crtc->state);
> - kfree(to_mdp5_crtc_state(crtc->state));
> - }
> -
> - mdp5_cstate = kzalloc(sizeof(*mdp5_cstate), GFP_KERNEL);
> -
> - if (mdp5_cstate) {
> - mdp5_cstate->base.crtc = crtc;
> - crtc->state = &mdp5_cstate->base;
> - }
> -}
> -
> static struct drm_crtc_state *
> mdp5_crtc_duplicate_state(struct drm_crtc *crtc)
> {
> @@ -1046,6 +1029,17 @@ static void mdp5_crtc_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state
> kfree(mdp5_cstate);
> }
>
> +static void mdp5_crtc_reset(struct drm_crtc *crtc)
> +{
> + struct mdp5_crtc_state *mdp5_cstate =
> + mdp5_cstate = kzalloc(sizeof(*mdp5_cstate), GFP_KERNEL);
Assigned twice for good measure ;)
> +
> + if (crtc->state)
> + mdp5_crtc_destroy_state(crtc, crtc->state);
> +
> + __drm_atomic_helper_crtc_reset(crtc, &mdp5_cstate->base);
> +}
> +
> static const struct drm_crtc_funcs mdp5_crtc_funcs = {
> .set_config = drm_atomic_helper_set_config,
> .destroy = mdp5_crtc_destroy,
> --
> 2.20.1
>
--
Sean Paul, Software Engineer, Google / Chromium OS
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