Re: [PATCH v2 3/7] drm/msm/dpu: release resources on modeset failure

Sean Paul
2019-03-04T18:09:07Z

On Wed, Feb 13, 2019 at 05:19:12PM -0800, Jeykumar Sankaran wrote:
> release resources allocated in mode_set if any of
> the hw check fails. Most of these checks are not
> necessary and they will be removed in the follow up
> patches with state based resource allocations.
>
> Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>

Reviewed-by: Sean Paul <sean@poorly.run>

> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index 941ac25..45617b9 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -1025,13 +1025,13 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
> if (!dpu_enc->hw_pp[i]) {
> DPU_ERROR_ENC(dpu_enc, "no pp block assigned"
> "at idx: %d\n", i);
> - return;
> + goto error;
> }
>
> if (!hw_ctl[i]) {
> DPU_ERROR_ENC(dpu_enc, "no ctl block assigned"
> "at idx: %d\n", i);
> - return;
> + goto error;
> }
>
> phys->hw_pp = dpu_enc->hw_pp[i];
> @@ -1044,6 +1044,9 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
> }
>
> dpu_enc->mode_set_complete = true;
> +
> +error:
> + dpu_rm_release(&dpu_kms->rm, drm_enc);
> }
>
> static void _dpu_encoder_virt_enable_helper(struct drm_encoder *drm_enc)
> --
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--
Sean Paul, Software Engineer, Google / Chromium OS