drm/msm/dpu: don't cache pipe->cap->sblk in dpu_plane

Do not cache hw_pipe's sblk in dpu_plane. Use
pdpu->pipe_hw->cap->sblk directly.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
Link: https://lore.kernel.org/r/20210930140002.308628-11-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c

@@ -109,8 +109,6 @@ struct dpu_plane {
 	struct list_head mplane_list;
 	struct dpu_mdss_cfg *catalog;
 
-	const struct dpu_sspp_sub_blks *pipe_sblk;
-
 	/* debugfs related stuff */
 	struct dentry *debugfs_root;
 	struct dpu_debugfs_regset32 debugfs_src;
@@ -425,9 +423,9 @@ static void _dpu_plane_set_qos_ctrl(struct drm_plane *plane,
 	memset(&pipe_qos_cfg, 0, sizeof(pipe_qos_cfg));
 
 	if (flags & DPU_PLANE_QOS_VBLANK_CTRL) {
-		pipe_qos_cfg.creq_vblank = pdpu->pipe_sblk->creq_vblank;
+		pipe_qos_cfg.creq_vblank = pdpu->pipe_hw->cap->sblk->creq_vblank;
 		pipe_qos_cfg.danger_vblank =
-				pdpu->pipe_sblk->danger_vblank;
+				pdpu->pipe_hw->cap->sblk->danger_vblank;
 		pipe_qos_cfg.vblank_en = enable;
 	}
 
@@ -973,10 +971,10 @@ static int dpu_plane_atomic_check(struct drm_plane *plane,
 		crtc_state = drm_atomic_get_new_crtc_state(state,
 							   new_plane_state->crtc);
 
-	min_scale = FRAC_16_16(1, pdpu->pipe_sblk->maxupscale);
+	min_scale = FRAC_16_16(1, pdpu->pipe_hw->cap->sblk->maxupscale);
 	ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
 						  min_scale,
-						  pdpu->pipe_sblk->maxdwnscale << 16,
+						  pdpu->pipe_hw->cap->sblk->maxdwnscale << 16,
 						  true, true);
 	if (ret) {
 		DPU_DEBUG_PLANE(pdpu, "Check plane state failed (%d)\n", ret);
@@ -1618,20 +1616,13 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev,
 		goto clean_sspp;
 	}
 
-	/* cache features mask for later */
-	pdpu->pipe_sblk = pdpu->pipe_hw->cap->sblk;
-	if (!pdpu->pipe_sblk) {
-		DPU_ERROR("[%u]invalid sblk\n", pipe);
-		goto clean_sspp;
-	}
-
 	if (pdpu->is_virtual) {
-		format_list = pdpu->pipe_sblk->virt_format_list;
-		num_formats = pdpu->pipe_sblk->virt_num_formats;
+		format_list = pdpu->pipe_hw->cap->sblk->virt_format_list;
+		num_formats = pdpu->pipe_hw->cap->sblk->virt_num_formats;
 	}
 	else {
-		format_list = pdpu->pipe_sblk->format_list;
-		num_formats = pdpu->pipe_sblk->num_formats;
+		format_list = pdpu->pipe_hw->cap->sblk->format_list;
+		num_formats = pdpu->pipe_hw->cap->sblk->num_formats;
 	}
 
 	ret = drm_universal_plane_init(dev, plane, 0xff, &dpu_plane_funcs,