Each PINGPONG block is tied to a single LM. No LMs can share single PINGPONG
block. So there is no need to handle PINGPONG blocks through all resource
allocation/deallocation/assignment, just receive PINGPONG block as a part of
LM hardware instance.
Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 12 +--
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c | 10 ++-
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.h | 6 +-
drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 1 -
drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 99 ++-------------------
drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 2 -
drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h | 9 +-
7 files changed, 25 insertions(+), 114 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 2b750da8b30c..3f4d2ba53604 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -1004,10 +1004,9 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder
*drm_enc,
struct drm_crtc *drm_crtc;
struct dpu_crtc_state *cstate;
struct dpu_global_state *global_state;
- struct dpu_hw_blk *hw_pp[MAX_CHANNELS_PER_ENC];
struct dpu_hw_blk *hw_ctl[MAX_CHANNELS_PER_ENC];
struct dpu_hw_blk *hw_lm[MAX_CHANNELS_PER_ENC];
- int num_lm, num_ctl, num_pp;
+ int num_lm, num_ctl;
int i, j;
if (!drm_enc) {
@@ -1050,18 +1049,11 @@ static void dpu_encoder_virt_mode_set(struct
drm_encoder *drm_enc,
break;
/* Query resource that have been reserved in atomic check step. */
- num_pp = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state,
- drm_enc->base.id, DPU_HW_BLK_PINGPONG, hw_pp,
- ARRAY_SIZE(hw_pp));
num_ctl = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state,
drm_enc->base.id, DPU_HW_BLK_CTL, hw_ctl, ARRAY_SIZE(hw_ctl));
num_lm = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state,
drm_enc->base.id, DPU_HW_BLK_LM, hw_lm, ARRAY_SIZE(hw_lm));
- for (i = 0; i < MAX_CHANNELS_PER_ENC; i++)
- dpu_enc->hw_pp[i] = i < num_pp ? to_dpu_hw_pingpong(hw_pp[i])
- : NULL;
-
cstate = to_dpu_crtc_state(drm_crtc->state);
for (i = 0; i < num_lm; i++) {
@@ -1070,6 +1062,8 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder
*drm_enc,
cstate->mixers[i].hw_lm = to_dpu_hw_mixer(hw_lm[i]);
cstate->mixers[i].lm_ctl = to_dpu_hw_ctl(hw_ctl[ctl_idx]);
cstate->mixers[i].hw_dspp = cstate->mixers[i].hw_lm->dspp;
+
+ dpu_enc->hw_pp[i] = cstate->mixers[i].hw_lm->pingpong;
}
cstate->num_mixers = num_lm;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
index 7f02078db7e7..04a835b9c2a3 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c
@@ -8,6 +8,7 @@
#include "dpu_hw_dspp.h"
#include "dpu_hw_lm.h"
#include "dpu_hw_mdss.h"
+#include "dpu_hw_pingpong.h"
#define LM_OP_MODE 0x00
#define LM_OUT_SIZE 0x04
@@ -163,7 +164,8 @@ static void _setup_mixer_ops(const struct dpu_mdss_cfg *m,
struct dpu_hw_mixer *dpu_hw_lm_init(enum dpu_lm idx,
void __iomem *addr,
- const struct dpu_mdss_cfg *m)
+ const struct dpu_mdss_cfg *m,
+ struct dpu_hw_merge_3d **merge_3d_blks)
{
struct dpu_hw_mixer *c;
const struct dpu_lm_cfg *cfg;
@@ -185,13 +187,17 @@ struct dpu_hw_mixer *dpu_hw_lm_init(enum dpu_lm idx,
if (cfg->dspp && cfg->dspp < DSPP_MAX)
c->dspp = dpu_hw_dspp_init(cfg->dspp, addr, m);
+ if (cfg->pingpong && cfg->pingpong < PINGPONG_MAX)
+ c->pingpong = dpu_hw_pingpong_init(cfg->pingpong, addr, m,
merge_3d_blks);
return c;
}
void dpu_hw_lm_destroy(struct dpu_hw_mixer *lm)
{
- if (lm)
+ if (lm) {
dpu_hw_dspp_destroy(lm->dspp);
+ dpu_hw_pingpong_destroy(lm->pingpong);
+ }
kfree(lm);
}
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.h
b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.h
index effb78311a43..182740f2914b 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.h
@@ -64,6 +64,7 @@ struct dpu_hw_mixer {
const struct dpu_lm_cfg *cap;
const struct dpu_mdp_cfg *mdp;
const struct dpu_ctl_cfg *ctl;
+ struct dpu_hw_pingpong *pingpong;
struct dpu_hw_dspp *dspp;
/* ops */
@@ -83,16 +84,19 @@ static inline struct dpu_hw_mixer *to_dpu_hw_mixer(struct
dpu_hw_blk *hw)
return container_of(hw, struct dpu_hw_mixer, base);
}
+struct dpu_hw_merge_3d;
/**
* dpu_hw_lm_init(): Initializes the mixer hw driver object.
* should be called once before accessing every mixer.
* @idx: mixer index for which driver object is required
* @addr: mapped register io address of MDP
* @m : pointer to mdss catalog data
+ * @merge_3d_blks: Pointer to merge 3d blocks
*/
struct dpu_hw_mixer *dpu_hw_lm_init(enum dpu_lm idx,
void __iomem *addr,
- const struct dpu_mdss_cfg *m);
+ const struct dpu_mdss_cfg *m,
+ struct dpu_hw_merge_3d **merge_3d_blks);
/**
* dpu_hw_lm_destroy(): Destroys layer mixer driver context
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
index 057fdf0ca9f4..0b936258bde0 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h
@@ -161,7 +161,6 @@ struct vsync_info {
struct dpu_global_state {
struct drm_private_state base;
- uint32_t pingpong_to_enc_id[PINGPONG_MAX - PINGPONG_0];
uint32_t mixer_to_enc_id[LM_MAX - LM_0];
uint32_t ctl_to_enc_id[CTL_MAX - CTL_0];
uint32_t intf_to_enc_id[INTF_MAX - INTF_0];
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
index 138efa7e51e5..acadb7240d09 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c
@@ -7,7 +7,6 @@
#include "dpu_kms.h"
#include "dpu_hw_lm.h"
#include "dpu_hw_ctl.h"
-#include "dpu_hw_pingpong.h"
#include "dpu_hw_intf.h"
#include "dpu_encoder.h"
#include "dpu_trace.h"
@@ -33,14 +32,6 @@ int dpu_rm_destroy(struct dpu_rm *rm)
{
int i;
- for (i = 0; i < ARRAY_SIZE(rm->pingpong_blks); i++) {
- struct dpu_hw_pingpong *hw;
-
- if (rm->pingpong_blks[i]) {
- hw = to_dpu_hw_pingpong(rm->pingpong_blks[i]);
- dpu_hw_pingpong_destroy(hw);
- }
- }
for (i = 0; i < ARRAY_SIZE(rm->mixer_blks); i++) {
struct dpu_hw_mixer *hw;
@@ -98,7 +89,7 @@ int dpu_rm_init(struct dpu_rm *rm,
DPU_ERROR("skip mixer %d with invalid id\n", lm->id);
continue;
}
- hw = dpu_hw_lm_init(lm->id, mmio, cat);
+ hw = dpu_hw_lm_init(lm->id, mmio, cat, dpu_kms->hw_merge_3d);
if (IS_ERR_OR_NULL(hw)) {
rc = PTR_ERR(hw);
DPU_ERROR("failed lm object creation: err %d\n", rc);
@@ -119,24 +110,6 @@ int dpu_rm_init(struct dpu_rm *rm,
}
}
- for (i = 0; i < cat->pingpong_count; i++) {
- struct dpu_hw_pingpong *hw;
- const struct dpu_pingpong_cfg *pp = &cat->pingpong[i];
-
- if (pp->id < PINGPONG_0 || pp->id >= PINGPONG_MAX) {
- DPU_ERROR("skip pingpong %d with invalid id\n", pp->id);
- continue;
- }
- hw = dpu_hw_pingpong_init(pp->id, mmio, cat,
dpu_kms->hw_merge_3d);
- if (IS_ERR_OR_NULL(hw)) {
- rc = PTR_ERR(hw);
- DPU_ERROR("failed pingpong object creation: err %d\n",
- rc);
- goto fail;
- }
- rm->pingpong_blks[pp->id - PINGPONG_0] = &hw->base;
- }
-
for (i = 0; i < cat->intf_count; i++) {
struct dpu_hw_intf *hw;
const struct dpu_intf_cfg *intf = &cat->intf[i];
@@ -213,53 +186,6 @@ static bool _dpu_rm_check_lm_peer(struct dpu_rm *rm, int
primary_idx,
return true;
}
-/**
- * _dpu_rm_check_lm_and_get_connected_blks - check if proposed layer mixer
meets
- * proposed use case requirements, incl. hardwired dependent blocks like
- * pingpong
- * @rm: dpu resource manager handle
- * @global_state: resources shared across multiple kms objects
- * @enc_id: encoder id requesting for allocation
- * @lm_idx: index of proposed layer mixer in rm->mixer_blks[], function checks
- * if lm, and all other hardwired blocks connected to the lm (pp) is
- * available and appropriate
- * @pp_idx: output parameter, index of pingpong block attached to the layer
- * mixer in rm->pingpong_blks[].
- * @reqs: input parameter, rm requirements for HW blocks needed in the
- * datapath.
- * Return: true if lm matches all requirements, false otherwise
- */
-static bool _dpu_rm_check_lm_and_get_connected_blks(struct dpu_rm *rm,
- struct dpu_global_state *global_state,
- uint32_t enc_id, int lm_idx, int *pp_idx,
- struct dpu_rm_requirements *reqs)
-{
- const struct dpu_lm_cfg *lm_cfg;
- int idx;
-
- /* Already reserved? */
- if (reserved_by_other(global_state->mixer_to_enc_id, lm_idx, enc_id)) {
- DPU_DEBUG("lm %d already reserved\n", lm_idx + LM_0);
- return false;
- }
-
- lm_cfg = to_dpu_hw_mixer(rm->mixer_blks[lm_idx])->cap;
- idx = lm_cfg->pingpong - PINGPONG_0;
- if (idx < 0 || idx >= ARRAY_SIZE(rm->pingpong_blks)) {
- DPU_ERROR("failed to get pp on lm %d\n", lm_cfg->pingpong);
- return false;
- }
-
- if (reserved_by_other(global_state->pingpong_to_enc_id, idx, enc_id)) {
- DPU_DEBUG("lm %d pp %d already reserved\n", lm_cfg->id,
- lm_cfg->pingpong);
- return false;
- }
- *pp_idx = idx;
-
- return true;
-}
-
static int _dpu_rm_reserve_lms(struct dpu_rm *rm,
struct dpu_global_state *global_state,
uint32_t enc_id,
@@ -267,7 +193,6 @@ static int _dpu_rm_reserve_lms(struct dpu_rm *rm,
{
int lm_idx[MAX_BLOCKS];
- int pp_idx[MAX_BLOCKS];
int i, j, lm_count = 0;
if (!reqs->topology.num_lm) {
@@ -284,9 +209,8 @@ static int _dpu_rm_reserve_lms(struct dpu_rm *rm,
lm_count = 0;
lm_idx[lm_count] = i;
- if (!_dpu_rm_check_lm_and_get_connected_blks(rm, global_state,
- enc_id, i, &pp_idx[lm_count],
- reqs)) {
+ if (reserved_by_other(global_state->mixer_to_enc_id, i,
enc_id)) {
+ DPU_DEBUG("lm %d already reserved\n", i + LM_0);
continue;
}
@@ -304,10 +228,8 @@ static int _dpu_rm_reserve_lms(struct dpu_rm *rm,
continue;
}
- if (!_dpu_rm_check_lm_and_get_connected_blks(rm,
- global_state, enc_id, j,
- &pp_idx[lm_count],
- reqs)) {
+ if (reserved_by_other(global_state->mixer_to_enc_id, j,
enc_id)) {
+ DPU_DEBUG("lm %d already reserved\n", j + LM_0);
continue;
}
@@ -323,10 +245,8 @@ static int _dpu_rm_reserve_lms(struct dpu_rm *rm,
for (i = 0; i < lm_count; i++) {
global_state->mixer_to_enc_id[lm_idx[i]] = enc_id;
- global_state->pingpong_to_enc_id[pp_idx[i]] = enc_id;
- trace_dpu_rm_reserve_lms(lm_idx[i] + LM_0, enc_id,
- pp_idx[i] + PINGPONG_0);
+ trace_dpu_rm_reserve_lms(lm_idx[i] + LM_0, enc_id);
}
return 0;
@@ -492,8 +412,6 @@ static void _dpu_rm_clear_mapping(uint32_t *res_mapping,
int cnt,
void dpu_rm_release(struct dpu_global_state *global_state,
struct drm_encoder *enc)
{
- _dpu_rm_clear_mapping(global_state->pingpong_to_enc_id,
- ARRAY_SIZE(global_state->pingpong_to_enc_id), enc->base.id);
_dpu_rm_clear_mapping(global_state->mixer_to_enc_id,
ARRAY_SIZE(global_state->mixer_to_enc_id), enc->base.id);
_dpu_rm_clear_mapping(global_state->ctl_to_enc_id,
@@ -548,11 +466,6 @@ int dpu_rm_get_assigned_resources(struct dpu_rm *rm,
int i, num_blks, max_blks;
switch (type) {
- case DPU_HW_BLK_PINGPONG:
- hw_blks = rm->pingpong_blks;
- hw_to_enc_id = global_state->pingpong_to_enc_id;
- max_blks = ARRAY_SIZE(rm->pingpong_blks);
- break;
case DPU_HW_BLK_LM:
hw_blks = rm->mixer_blks;
hw_to_enc_id = global_state->mixer_to_enc_id;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
index 4c0c15453c98..a618c0ef43db 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h
@@ -15,7 +15,6 @@ struct dpu_global_state;
/**
* struct dpu_rm - DPU dynamic hardware resource manager
- * @pingpong_blks: array of pingpong hardware resources
* @mixer_blks: array of layer mixer hardware resources
* @ctl_blks: array of ctl hardware resources
* @intf_blks: array of intf hardware resources
@@ -23,7 +22,6 @@ struct dpu_global_state;
* @rm_lock: resource manager mutex
*/
struct dpu_rm {
- struct dpu_hw_blk *pingpong_blks[PINGPONG_MAX - PINGPONG_0];
struct dpu_hw_blk *mixer_blks[LM_MAX - LM_0];
struct dpu_hw_blk *ctl_blks[CTL_MAX - CTL_0];
struct dpu_hw_blk *intf_blks[INTF_MAX - INTF_0];
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
index 6714b088970f..23b587b10d77 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h
@@ -835,20 +835,17 @@ DEFINE_EVENT(dpu_rm_iter_template, dpu_rm_reserve_ctls,
);
TRACE_EVENT(dpu_rm_reserve_lms,
- TP_PROTO(uint32_t id, uint32_t enc_id, uint32_t pp_id),
- TP_ARGS(id, enc_id, pp_id),
+ TP_PROTO(uint32_t id, uint32_t enc_id),
+ TP_ARGS(id, enc_id),
TP_STRUCT__entry(
__field( uint32_t, id )
__field( uint32_t, enc_id )
- __field( uint32_t, pp_id )
),
TP_fast_assign(
__entry->id = id;
__entry->enc_id = enc_id;
- __entry->pp_id = pp_id;
),
- TP_printk("id:%d enc_id:%u pp_id:%u", __entry->id,
- __entry->enc_id, __entry->pp_id)
+ TP_printk("id:%d enc_id:%u", __entry->id, __entry->enc_id)
);
TRACE_EVENT(dpu_vbif_wait_xin_halt_fail,
--
2.30.2
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