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.baryshkov@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 +- .../gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h | 1 + 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 +- 8 files changed, 26 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 b3d50f6d976d..d98b4e4097fb 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -974,10 +974,9 @@ 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) { @@ -1020,18 +1019,11 @@ 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++) { @@ -1040,6 +1032,8 @@ 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 35675744a6b7..fd09b9ab9b4b 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; @@ -185,6 +187,8 @@ 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);
dpu_hw_blk_init(&c->base, DPU_HW_BLK_LM, idx);
@@ -193,7 +197,9 @@ struct dpu_hw_mixer *dpu_hw_lm_init(enum dpu_lm idx,
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_hw_pingpong.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h index a9e960b8814b..a3db536210bf 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h @@ -149,6 +149,7 @@ static inline struct dpu_hw_pingpong *to_dpu_hw_pingpong(struct dpu_hw_blk *hw) return container_of(hw, struct dpu_hw_pingpong, base); }
+struct dpu_rm; /** * dpu_hw_pingpong_init - initializes the pingpong driver for the passed * pingpong idx. 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 2ddf02eda2e5..7792dff60bcd 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" @@ -41,14 +40,6 @@ int dpu_rm_destroy(struct dpu_rm *rm) dpu_hw_lm_destroy(hw); } } - 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->ctl_blks); i++) { struct dpu_hw_ctl *hw;
@@ -85,24 +76,6 @@ int dpu_rm_init(struct dpu_rm *rm, memset(rm, 0, sizeof(*rm));
/* Interrogate HW catalog and create tracking items for hw blocks */ - 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]; @@ -154,7 +127,7 @@ 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); @@ -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,