On Tue, Aug 28, 2018 at 05:40:01PM -0700, Jeykumar Sankaran wrote:
Strip down the support for topology enums. It
can be replaced with simple hw count checks.
Changes in v4:
...
Signed-off-by: Jeykumar Sankaran <jsanka@xxxxxxxxxxxxxx>
---
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))
I guess this should be CRTC_DUAL_MIXERS? Perhaps you should add a
helper
called
dpu_crtc_state_is_stereo() instead of littering these checks
everywhere.
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);
Unnecessary parens
}
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 },
You don't need this. The data it provides can be deduced already:
num_ctl == num_intf
needs_split_display == (num_intf > 1)
};
/**
@@ -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];
Since you can get rid of g_top_table, you can get rid of reqs->topology
too.
@@ -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);
This debug message doesn't provide any value any longer.
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__ */
--
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