The pipe's layout is not cached, corresponding data structure is zeroed out each time in the dpu_plane_sspp_atomic_update(), right before the call to _dpu_plane_set_scanout() -> dpu_format_populate_layout(). Drop plane_addr comparison against previous layout and corresponding EAGAIN handling. Reviewed-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> Tested-by: Abhinav Kumar <quic_abhinavk@xxxxxxxxxxx> # sc7280 Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> --- drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c | 10 +--------- drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 4 +--- 2 files changed, 2 insertions(+), 12 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c index d95540309d4d..ec1001e10f4f 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_formats.c @@ -918,8 +918,7 @@ int dpu_format_populate_layout( struct drm_framebuffer *fb, struct dpu_hw_fmt_layout *layout) { - uint32_t plane_addr[DPU_MAX_PLANES]; - int i, ret; + int ret; if (!fb || !layout) { DRM_ERROR("invalid arguments\n"); @@ -940,9 +939,6 @@ int dpu_format_populate_layout( if (ret) return ret; - for (i = 0; i < DPU_MAX_PLANES; ++i) - plane_addr[i] = layout->plane_addr[i]; - /* Populate the addresses given the fb */ if (DPU_FORMAT_IS_UBWC(layout->format) || DPU_FORMAT_IS_TILE(layout->format)) @@ -950,10 +946,6 @@ int dpu_format_populate_layout( else ret = _dpu_format_populate_addrs_linear(aspace, fb, layout); - /* check if anything changed */ - if (!ret && !memcmp(plane_addr, layout->plane_addr, sizeof(plane_addr))) - ret = -EAGAIN; - return ret; } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index 2b0ebdd4c207..d6518ef1beb2 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -476,9 +476,7 @@ static void _dpu_plane_set_scanout(struct drm_plane *plane, int ret; ret = dpu_format_populate_layout(aspace, fb, &pipe_cfg->layout); - if (ret == -EAGAIN) - DPU_DEBUG_PLANE(pdpu, "not updating same src addrs\n"); - else if (ret) + if (ret) DPU_ERROR_PLANE(pdpu, "failed to get format layout, %d\n", ret); else if (pdpu->pipe_hw->ops.setup_sourceaddress) { trace_dpu_plane_set_scanout(pdpu->pipe_hw->idx, -- 2.30.2