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    Subject[PATCH 5.19 0456/1157] drm/msm/dpu: Fix for non-visible planes
    Date
    From: Rob Clark <robdclark@chromium.org>

    [ Upstream commit cb77085b1f0a86ef9dfba86b5f3ed6c3340c2ea3 ]

    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@chromium.org>
    Fixes: 25fdd5933e4c ("drm/msm: Add SDM845 DPU support")
    Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
    Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
    Patchwork: https://patchwork.freedesktop.org/patch/492819/
    Link: https://lore.kernel.org/r/20220707212003.1710163-1-robdclark@gmail.com
    Signed-off-by: Sasha Levin <sashal@kernel.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 b56f777dbd0e..4c5c1f627cb8 100644
    --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
    +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
    @@ -361,6 +361,9 @@ 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;

    @@ -1134,6 +1137,9 @@ 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;
    --
    2.35.1


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