On Mon, Oct 08, 2018 at 09:27:29PM -0700, Jeykumar Sankaran wrote:
> This flag was introduced as a fix to notify modeset complete
> when hw reservations were happening in both atomic_check
> and atomic_commit paths. Now that we are reserving only in
> atomic_check, we can get rid of this flag.
>
> Signed-off-by: Jeykumar Sankaran <jsanka@xxxxxxxxxxxxxx>
Reviewed-by: Sean Paul <seanpaul@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 19 +++----------------
> 1 file changed, 3 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index dd482ca..468b8fd0 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -167,7 +167,6 @@ enum dpu_enc_rc_states {
> * clks and resources after IDLE_TIMEOUT time.
> * @vsync_event_work: worker to handle vsync event for autorefresh
> * @topology: topology of the display
> - * @mode_set_complete: flag to indicate modeset completion
> * @idle_timeout: idle timeout duration in milliseconds
> */
> struct dpu_encoder_virt {
> @@ -204,7 +203,6 @@ struct dpu_encoder_virt {
> struct kthread_delayed_work delayed_off_work;
> struct kthread_work vsync_event_work;
> struct msm_display_topology topology;
> - bool mode_set_complete;
>
> u32 idle_timeout;
> };
> @@ -636,18 +634,9 @@ static int dpu_encoder_virt_atomic_check(
>
> topology = dpu_encoder_get_topology(dpu_enc, dpu_kms, adj_mode);
>
> - if (!ret) {
> - /*
> - * Avoid reserving resources when mode set is pending. Topology
> - * info may not be available to complete reservation.
> - */
> - if (drm_atomic_crtc_needs_modeset(crtc_state)
> - && dpu_enc->mode_set_complete) {
> - ret = dpu_rm_reserve(&dpu_kms->rm, drm_enc, crtc_state,
> - topology, false);
> - dpu_enc->mode_set_complete = false;
> - }
> - }
> + if (!ret && drm_atomic_crtc_needs_modeset(crtc_state))
> + ret = dpu_rm_reserve(&dpu_kms->rm, drm_enc, crtc_state,
> + topology, false);
>
> if (!ret)
> drm_mode_set_crtcinfo(adj_mode, 0);
> @@ -1060,8 +1049,6 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
> phys->ops.mode_set(phys, mode, adj_mode);
> }
> }
> -
> - dpu_enc->mode_set_complete = true;
> }
>
> static void _dpu_encoder_virt_enable_helper(struct drm_encoder *drm_enc)
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
--
Sean Paul, Software Engineer, Google / Chromium OS
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