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SubjectRe: [PATCH v6 10/10] drm/msm/disp/dpu: check for crtc enable rather than crtc active to release shared resources
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On 11/07/2022 15:57, Vinod Polimera wrote:
> According to KMS documentation, The driver must not release any shared
> resources if active is set to false but enable still true.
>
> Fixes: ccc862b957c6 ("drm/msm/dpu: Fix reservation failures in modeset")
> Signed-off-by: Vinod Polimera <quic_vpolimer@quicinc.com>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> index 5dfb56a..02a71d1 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
> @@ -592,7 +592,7 @@ static int dpu_encoder_virt_atomic_check(
> if (drm_atomic_crtc_needs_modeset(crtc_state)) {
> dpu_rm_release(global_state, drm_enc);
>
> - if (!crtc_state->active_changed || crtc_state->active)
> + if (!crtc_state->active_changed || crtc_state->enable)
> ret = dpu_rm_reserve(&dpu_kms->rm, global_state,
> drm_enc, crtc_state, topology);
> }


--
With best wishes
Dmitry

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