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Date: Fri, 8 Jul 2022 00:35:09 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Rob Clark <robdclark@...il.com>, dri-devel@...ts.freedesktop.org
Cc: freedreno@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
Rob Clark <robdclark@...omium.org>,
Abhinav Kumar <quic_abhinavk@...cinc.com>,
Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Jessica Zhang <quic_jesszhan@...cinc.com>,
Fernando Ramos <greenfoo@....eu>,
Mark Yacoub <markyacoub@...gle.com>,
open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/msm/dpu: Fix for non-visible planes
On 08/07/2022 00:20, Rob Clark wrote:
> From: Rob Clark <robdclark@...omium.org>
>
> Fixes `kms_cursor_crc --run-subtest cursor-offscreen`.. when the cursor
> moves offscreen the plane becomes non-visible, so we need to skip over
> it in crtc atomic test and mixer setup.
>
> Signed-off-by: Rob Clark <robdclark@...omium.org>
Fixes: 25fdd5933e4c ("drm/msm: Add SDM845 DPU support")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
> drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> index 4dd0ce09ca74..4ba000951a90 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
> @@ -422,6 +422,9 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc *crtc,
> if (!state)
> continue;
>
> + if (!state->visible)
> + continue;
> +
> pstate = to_dpu_plane_state(state);
> fb = state->fb;
>
> @@ -1195,6 +1198,9 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc,
> if (cnt >= DPU_STAGE_MAX * 4)
> continue;
>
> + if (!pstate->visible)
> + continue;
> +
> pstates[cnt].dpu_pstate = dpu_pstate;
> pstates[cnt].drm_pstate = pstate;
> pstates[cnt].stage = pstate->normalized_zpos;
--
With best wishes
Dmitry
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