[PATCH 12/14] drm/msm/dpu: remove topology name

[Jeykumar Sankaran <jsanka-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>]

Strip down the support for topology enums. It
can be replaced with simple hw count checks.

Signed-off-by: Jeykumar Sankaran <jsanka@codeaurora.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c        |  3 --
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h        |  1 -
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h   |  9 ++++--
 .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c   |  7 +++--
 drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c             | 36 ++++++----------------
 drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h             | 24 ---------------
 6 files changed, 19 insertions(+), 61 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index dbf669e..56ef349 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1013,7 +1013,6 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 	struct drm_connector *conn = NULL, *conn_iter;
 	struct dpu_rm_hw_iter pp_iter, ctl_iter;
 	struct msm_display_topology topology;
-	enum dpu_rm_topology_name topology_name;
 	struct dpu_hw_ctl *hw_ctl[MAX_CHANNELS_PER_ENC] = { NULL };
 	int i = 0, ret;
 
@@ -1069,7 +1068,6 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 		hw_ctl[i] = (struct dpu_hw_ctl *)ctl_iter.hw;
 	}
 
-	topology_name = dpu_rm_get_topology_name(topology);
 	for (i = 0; i < dpu_enc->num_phys_encs; i++) {
 		struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i];
 
@@ -1089,7 +1087,6 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc,
 			phys->hw_ctl = hw_ctl[i];
 
 			phys->connector = conn->state->connector;
-			phys->topology_name = topology_name;
 			if (phys->ops.mode_set)
 				phys->ops.mode_set(phys, mode, adj_mode);
 		}
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
index 60f809f..c5600e6 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
@@ -35,7 +35,6 @@
  * @needs_cdm:	Encoder requests a CDM based on pixel format conversion needs
  * @display_num_of_h_tiles: Number of horizontal tiles in case of split
  *                          interface
- * @topology:   Topology of the display
  */
 struct dpu_encoder_hw_resources {
 	enum dpu_intf_mode intfs[INTF_MAX];
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
index b3917e0..b5fc65c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h
@@ -24,6 +24,7 @@
 #include "dpu_hw_top.h"
 #include "dpu_hw_cdm.h"
 #include "dpu_encoder.h"
+#include "dpu_crtc.h"
 
 #define DPU_ENCODER_NAME_MAX	16
 
@@ -213,7 +214,6 @@ struct dpu_encoder_irq {
  * @split_role:		Role to play in a split-panel configuration
  * @intf_mode:		Interface mode
  * @intf_idx:		Interface index on dpu hardware
- * @topology_name:	topology selected for the display
  * @enc_spinlock:	Virtual-Encoder-Wide Spin Lock for IRQ purposes
  * @enable_state:	Enable state tracking
  * @vblank_refcount:	Reference count of vblank request
@@ -243,7 +243,6 @@ struct dpu_encoder_phys {
 	enum dpu_enc_split_role split_role;
 	enum dpu_intf_mode intf_mode;
 	enum dpu_intf intf_idx;
-	enum dpu_rm_topology_name topology_name;
 	spinlock_t *enc_spinlock;
 	enum dpu_enc_enable_state enable_state;
 	atomic_t vblank_refcount;
@@ -361,11 +360,15 @@ struct dpu_encoder_phys *dpu_encoder_phys_cmd_init(
 static inline enum dpu_3d_blend_mode dpu_encoder_helper_get_3d_blend_mode(
 		struct dpu_encoder_phys *phys_enc)
 {
+	struct dpu_crtc_state *dpu_cstate;
+
 	if (!phys_enc || phys_enc->enable_state == DPU_ENC_DISABLING)
 		return BLEND_3D_NONE;
 
+	dpu_cstate = to_dpu_crtc_state(phys_enc->parent->crtc->state);
+
 	if (phys_enc->split_role == ENC_ROLE_SOLO &&
-	    phys_enc->topology_name == DPU_RM_TOPOLOGY_DUALPIPE_3DMERGE)
+	    (dpu_cstate->num_mixers == 2))
 		return BLEND_3D_H_ROW_INT;
 
 	return BLEND_3D_NONE;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
index 6de13f4..1643e2f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c
@@ -355,13 +355,14 @@ static void dpu_encoder_phys_vid_underrun_irq(void *arg, int irq_idx)
 
 static bool _dpu_encoder_phys_is_dual_ctl(struct dpu_encoder_phys *phys_enc)
 {
+	struct dpu_crtc_state *dpu_cstate;
+
 	if (!phys_enc)
 		return false;
 
-	if (phys_enc->topology_name == DPU_RM_TOPOLOGY_DUALPIPE)
-		return true;
+	dpu_cstate = to_dpu_crtc_state(phys_enc->parent->crtc->state);
 
-	return false;
+	return (dpu_cstate->num_ctls > 1);
 }
 
 static bool dpu_encoder_phys_vid_needs_single_flush(
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
index 13c0a36..fbd489f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
@@ -33,7 +33,6 @@
 				(t).num_intf == (r).num_intf)
 
 struct dpu_rm_topology_def {
-	enum dpu_rm_topology_name top_name;
 	int num_lm;
 	int num_comp_enc;
 	int num_intf;
@@ -42,10 +41,10 @@ struct dpu_rm_topology_def {
 };
 
 static const struct dpu_rm_topology_def g_top_table[] = {
-	{   DPU_RM_TOPOLOGY_NONE,                 0, 0, 0, 0, false },
-	{   DPU_RM_TOPOLOGY_SINGLEPIPE,           1, 0, 1, 1, false },
-	{   DPU_RM_TOPOLOGY_DUALPIPE,             2, 0, 2, 2, true  },
-	{   DPU_RM_TOPOLOGY_DUALPIPE_3DMERGE,     2, 0, 1, 1, false },
+	{   0, 0, 0, 0, false },
+	{   1, 0, 1, 1, false },
+	{   2, 0, 2, 2, true  },
+	{   2, 0, 1, 1, false },
 };
 
 /**
@@ -72,13 +71,11 @@ struct dpu_rm_requirements {
  * @enc_id:	Reservations are tracked by Encoder DRM object ID.
  *		CRTCs may be connected to multiple Encoders.
  *		An encoder or connector id identifies the display path.
- * @topology	DRM<->HW topology use case
  */
 struct dpu_rm_rsvp {
 	struct list_head list;
 	uint32_t seq;
 	uint32_t enc_id;
-	enum dpu_rm_topology_name topology;
 };
 
 /**
@@ -122,8 +119,8 @@ static void _dpu_rm_print_rsvps(
 	DPU_DEBUG("%d\n", stage);
 
 	list_for_each_entry(rsvp, &rm->rsvps, list) {
-		DRM_DEBUG_KMS("%d rsvp[s%ue%u] topology %d\n", stage, rsvp->seq,
-			      rsvp->enc_id, rsvp->topology);
+		DRM_DEBUG_KMS("%d rsvp[s%ue%u]\n", stage, rsvp->seq,
+			      rsvp->enc_id);
 	}
 
 	for (type = 0; type < DPU_HW_BLK_MAX; type++) {
@@ -146,18 +143,6 @@ struct dpu_hw_mdp *dpu_rm_get_mdp(struct dpu_rm *rm)
 	return rm->hw_mdp;
 }
 
-enum dpu_rm_topology_name
-dpu_rm_get_topology_name(struct msm_display_topology topology)
-{
-	int i;
-
-	for (i = 0; i < DPU_RM_TOPOLOGY_MAX; i++)
-		if (RM_IS_TOPOLOGY_MATCH(g_top_table[i], topology))
-			return g_top_table[i].top_name;
-
-	return DPU_RM_TOPOLOGY_NONE;
-}
-
 void dpu_rm_init_hw_iter(
 		struct dpu_rm_hw_iter *iter,
 		uint32_t enc_id,
@@ -760,7 +745,6 @@ static int _dpu_rm_make_next_rsvp(
 	/* Create reservation info, tag reserved blocks with it as we go */
 	rsvp->seq = ++rm->rsvp_next_seq;
 	rsvp->enc_id = enc->base.id;
-	rsvp->topology = reqs->topology->top_name;
 	list_add_tail(&rsvp->list, &rm->rsvps);
 
 	ret = _dpu_rm_reserve_lms(rm, rsvp, reqs);
@@ -807,7 +791,7 @@ static int _dpu_rm_populate_requirements(
 
 	dpu_encoder_get_hw_resources(enc, &reqs->hw_res, conn_state);
 
-	for (i = 0; i < DPU_RM_TOPOLOGY_MAX; i++) {
+	for (i = 0; i < ARRAY_SIZE(g_top_table); i++) {
 		if (RM_IS_TOPOLOGY_MATCH(g_top_table[i],
 					req_topology)) {
 			reqs->topology = &g_top_table[i];
@@ -831,9 +815,8 @@ static int _dpu_rm_populate_requirements(
 
 	DRM_DEBUG_KMS("top_ctrl: 0x%llX num_h_tiles: %d\n", reqs->top_ctrl,
 		      reqs->hw_res.display_num_of_h_tiles);
-	DRM_DEBUG_KMS("num_lm: %d num_ctl: %d topology: %d split_display: %d\n",
+	DRM_DEBUG_KMS("num_lm: %d num_ctl: %d split_display: %d\n",
 		      reqs->topology->num_lm, reqs->topology->num_ctl,
-		      reqs->topology->top_name,
 		      reqs->topology->needs_split_display);
 
 	return 0;
@@ -969,8 +952,7 @@ static int _dpu_rm_commit_rsvp(
 	}
 
 	if (!ret)
-		DRM_DEBUG_KMS("rsrv enc %d topology %d\n", rsvp->enc_id,
-			      rsvp->topology);
+		DRM_DEBUG_KMS("rsrv enc %d\n", rsvp->enc_id);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
index ffd1841..6fd9e7b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
@@ -21,21 +21,6 @@
 #include "dpu_hw_top.h"
 
 /**
- * enum dpu_rm_topology_name - HW resource use case in use by connector
- * @DPU_RM_TOPOLOGY_NONE:                 No topology in use currently
- * @DPU_RM_TOPOLOGY_SINGLEPIPE:           1 LM, 1 PP, 1 INTF/WB
- * @DPU_RM_TOPOLOGY_DUALPIPE:             2 LM, 2 PP, 2 INTF/WB
- * @DPU_RM_TOPOLOGY_DUALPIPE_3DMERGE:     2 LM, 2 PP, 3DMux, 1 INTF/WB
- */
-enum dpu_rm_topology_name {
-	DPU_RM_TOPOLOGY_NONE = 0,
-	DPU_RM_TOPOLOGY_SINGLEPIPE,
-	DPU_RM_TOPOLOGY_DUALPIPE,
-	DPU_RM_TOPOLOGY_DUALPIPE_3DMERGE,
-	DPU_RM_TOPOLOGY_MAX,
-};
-
-/**
  * enum dpu_rm_topology_control - HW resource use case in use by connector
  * @DPU_RM_TOPCTL_RESERVE_LOCK: If set, in AtomicTest phase, after a successful
  *                              test, reserve the resources for this display.
@@ -187,13 +172,4 @@ void dpu_rm_init_hw_iter(
  */
 int dpu_rm_check_property_topctl(uint64_t val);
 
-/**
- * dpu_rm_get_topology_name - returns the name of the the given topology
- *                            definition
- * @topology: topology definition
- * @Return: name of the topology
- */
-enum dpu_rm_topology_name
-dpu_rm_get_topology_name(struct msm_display_topology topology);
-
 #endif /* __DPU_RM_H__ */
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

_______________________________________________
Freedreno mailing list
Freedreno@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/freedreno