drm/msm/dpu: introduce struct dpu_sw_pipe

Wrap SSPP and multirect index/mode into a single structure that
represents software view on the pipe used.
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Tested-by: Abhinav Kumar <quic_abhinavk@quicinc.com> # sc7280
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/527326/
Link: https://lore.kernel.org/r/20230316161653.4106395-8-dmitry.baryshkov@linaro.orgSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

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

@@ -432,7 +432,7 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc *crtc,
 		pstate = to_dpu_plane_state(state);
 		fb = state->fb;
 
-		sspp_idx = pstate->hw_sspp->idx;
+		sspp_idx = pstate->pipe.sspp->idx;
 		set_bit(sspp_idx, fetch_active);
 
 		DRM_DEBUG_ATOMIC("crtc %d stage:%d - plane %d sspp %d fb %d\n",
@@ -451,11 +451,10 @@ static void _dpu_crtc_blend_setup_mixer(struct drm_crtc *crtc,
 		stage_cfg->stage[pstate->stage][stage_idx] =
 					sspp_idx;
 		stage_cfg->multirect_index[pstate->stage][stage_idx] =
-					pstate->multirect_index;
+					pstate->pipe.multirect_index;
 
 		trace_dpu_crtc_setup_mixer(DRMID(crtc), DRMID(plane),
 					   state, pstate, stage_idx,
-					   sspp_idx - SSPP_VIG0,
 					   format->base.pixel_format,
 					   fb ? fb->modifier : 0);
 
@@ -1227,7 +1226,7 @@ static int dpu_crtc_atomic_check(struct drm_crtc *crtc,
 		pstates[cnt].dpu_pstate = dpu_pstate;
 		pstates[cnt].drm_pstate = pstate;
 		pstates[cnt].stage = pstate->normalized_zpos;
-		pstates[cnt].pipe_id = to_dpu_plane_state(pstate)->hw_sspp->idx;
+		pstates[cnt].pipe_id = to_dpu_plane_state(pstate)->pipe.sspp->idx;
 
 		dpu_pstate->needs_dirtyfb = needs_dirtyfb;
 
@@ -1500,7 +1499,7 @@ static int _dpu_debugfs_status_show(struct seq_file *s, void *data)
 			state->crtc_x, state->crtc_y, state->crtc_w,
 			state->crtc_h);
 		seq_printf(s, "\tmultirect: mode: %d index: %d\n",
-			pstate->multirect_mode, pstate->multirect_index);
+			pstate->pipe.multirect_mode, pstate->pipe.multirect_index);
 
 		seq_puts(s, "\n");
 	}

drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h

@@ -158,15 +158,11 @@ struct dpu_hw_pixel_ext {
  * @src_rect:  src ROI, caller takes into account the different operations
  *             such as decimation, flip etc to program this field
  * @dest_rect: destination ROI.
- * @index:     index of the rectangle of SSPP
- * @mode:      parallel or time multiplex multirect mode
  */
 struct dpu_hw_sspp_cfg {
 	struct dpu_hw_fmt_layout layout;
 	struct drm_rect src_rect;
 	struct drm_rect dst_rect;
-	enum dpu_sspp_multirect_index index;
-	enum dpu_sspp_multirect_mode mode;
 };
 
 /**
@@ -201,6 +197,18 @@ struct dpu_hw_pipe_ts_cfg {
 	u64 time;
 };
 
+/**
+ * struct dpu_sw_pipe - software pipe description
+ * @sspp:      backing SSPP pipe
+ * @index:     index of the rectangle of SSPP
+ * @mode:      parallel or time multiplex multirect mode
+ */
+struct dpu_sw_pipe {
+	struct dpu_hw_sspp *sspp;
+	enum dpu_sspp_multirect_index multirect_index;
+	enum dpu_sspp_multirect_mode multirect_mode;
+};
+
 /**
  * struct dpu_hw_sspp_ops - interface to the SSPP Hw driver functions
  * Caller must call the init function to get the pipe context for each pipe

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

@@ -18,7 +18,7 @@
  * struct dpu_plane_state: Define dpu extension of drm plane state object
  * @base:	base drm plane state object
  * @aspace:	pointer to address space for input/output buffers
- * @hw_sspp:	pointer to corresponding SSPP instance
+ * @pipe:	software pipe description
  * @stage:	assigned by crtc blender
  * @needs_qos_remap: qos remap settings need to be updated
  * @multirect_index: index of the rectangle of SSPP
@@ -32,11 +32,9 @@
 struct dpu_plane_state {
 	struct drm_plane_state base;
 	struct msm_gem_address_space *aspace;
-	struct dpu_hw_sspp *hw_sspp;
+	struct dpu_sw_pipe pipe;
 	enum dpu_stage stage;
 	bool needs_qos_remap;
-	uint32_t multirect_index;
-	uint32_t multirect_mode;
 	bool pending;
 
 	u64 plane_fetch_bw;

drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h

@@ -633,9 +633,9 @@ TRACE_EVENT(dpu_enc_phys_vid_irq_ctrl,
 TRACE_EVENT(dpu_crtc_setup_mixer,
 	TP_PROTO(uint32_t crtc_id, uint32_t plane_id,
 		 struct drm_plane_state *state, struct dpu_plane_state *pstate,
-		 uint32_t stage_idx, enum dpu_sspp sspp, uint32_t pixel_format,
+		 uint32_t stage_idx, uint32_t pixel_format,
 		 uint64_t modifier),
-	TP_ARGS(crtc_id, plane_id, state, pstate, stage_idx, sspp,
+	TP_ARGS(crtc_id, plane_id, state, pstate, stage_idx,
 		pixel_format, modifier),
 	TP_STRUCT__entry(
 		__field(	uint32_t,		crtc_id		)
@@ -659,9 +659,9 @@ TRACE_EVENT(dpu_crtc_setup_mixer,
 		__entry->dst_rect = drm_plane_state_dest(state);
 		__entry->stage_idx = stage_idx;
 		__entry->stage = pstate->stage;
-		__entry->sspp = sspp;
-		__entry->multirect_idx = pstate->multirect_index;
-		__entry->multirect_mode = pstate->multirect_mode;
+		__entry->sspp = pstate->pipe.sspp->idx;
+		__entry->multirect_idx = pstate->pipe.multirect_index;
+		__entry->multirect_mode = pstate->pipe.multirect_mode;
 		__entry->pixel_format = pixel_format;
 		__entry->modifier = modifier;
 	),