Each DSPP block is tied to a single LM. No LMs can share single DSPP block. So there is no need to handle DSPP blocks through all resource allocation/deallocation/assignment, just receive DSPP 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 | 6 +- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c | 6 + drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.h | 1 + drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 1 - drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 116 ++++++-------------- drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 2 - 6 files changed, 44 insertions(+), 88 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 288e95ee8e1d..b3d50f6d976d 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -977,7 +977,6 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc, 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]; - struct dpu_hw_blk *hw_dspp[MAX_CHANNELS_PER_ENC] = { NULL }; int num_lm, num_ctl, num_pp; int i, j;
@@ -1028,9 +1027,6 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc, 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)); - dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state, - drm_enc->base.id, DPU_HW_BLK_DSPP, hw_dspp, - ARRAY_SIZE(hw_dspp));
for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) dpu_enc->hw_pp[i] = i < num_pp ? to_dpu_hw_pingpong(hw_pp[i]) @@ -1043,7 +1039,7 @@ 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 = to_dpu_hw_dspp(hw_dspp[i]); + cstate->mixers[i].hw_dspp = cstate->mixers[i].hw_lm->dspp; }
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 76f8b8f75b82..35675744a6b7 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_lm.c @@ -5,6 +5,7 @@ #include "dpu_kms.h" #include "dpu_hw_catalog.h" #include "dpu_hwio.h" +#include "dpu_hw_dspp.h" #include "dpu_hw_lm.h" #include "dpu_hw_mdss.h"
@@ -182,6 +183,9 @@ struct dpu_hw_mixer *dpu_hw_lm_init(enum dpu_lm idx, c->cap = cfg; _setup_mixer_ops(m, &c->ops, c->cap->features);
+ if (cfg->dspp && cfg->dspp < DSPP_MAX) + c->dspp = dpu_hw_dspp_init(cfg->dspp, addr, m); + dpu_hw_blk_init(&c->base, DPU_HW_BLK_LM, idx);
return c; @@ -189,5 +193,7 @@ struct dpu_hw_mixer *dpu_hw_lm_init(enum dpu_lm idx,
void dpu_hw_lm_destroy(struct dpu_hw_mixer *lm) { + if (lm) + dpu_hw_dspp_destroy(lm->dspp); 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 4a6b2de19ef6..effb78311a43 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_dspp *dspp;
/* ops */ struct dpu_hw_lm_ops ops; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index d6717d6672f7..195a854245fa 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -164,7 +164,6 @@ struct dpu_global_state { 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]; - uint32_t dspp_to_enc_id[DSPP_MAX - DSPP_0]; };
struct dpu_global_state diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c index fd2d104f0a91..bb03ff8b8c9f 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c @@ -9,7 +9,6 @@ #include "dpu_hw_ctl.h" #include "dpu_hw_pingpong.h" #include "dpu_hw_intf.h" -#include "dpu_hw_dspp.h" #include "dpu_hw_merge3d.h" #include "dpu_encoder.h" #include "dpu_trace.h" @@ -35,6 +34,14 @@ int dpu_rm_destroy(struct dpu_rm *rm) { int i;
+ for (i = 0; i < ARRAY_SIZE(rm->mixer_blks); i++) { + struct dpu_hw_mixer *hw; + + if (rm->mixer_blks[i]) { + hw = to_dpu_hw_mixer(rm->mixer_blks[i]); + dpu_hw_lm_destroy(hw); + } + } for (i = 0; i < ARRAY_SIZE(rm->pingpong_blks); i++) { struct dpu_hw_pingpong *hw;
@@ -51,14 +58,6 @@ int dpu_rm_destroy(struct dpu_rm *rm) dpu_hw_merge_3d_destroy(hw); } } - for (i = 0; i < ARRAY_SIZE(rm->mixer_blks); i++) { - struct dpu_hw_mixer *hw; - - if (rm->mixer_blks[i]) { - hw = to_dpu_hw_mixer(rm->mixer_blks[i]); - dpu_hw_lm_destroy(hw); - } - } for (i = 0; i < ARRAY_SIZE(rm->ctl_blks); i++) { struct dpu_hw_ctl *hw;
@@ -94,40 +93,6 @@ 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->mixer_count; i++) { - struct dpu_hw_mixer *hw; - const struct dpu_lm_cfg *lm = &cat->mixer[i]; - - if (lm->pingpong == PINGPONG_MAX) { - DPU_DEBUG("skip mixer %d without pingpong\n", lm->id); - continue; - } - - if (lm->id < LM_0 || lm->id >= LM_MAX) { - DPU_ERROR("skip mixer %d with invalid id\n", lm->id); - continue; - } - hw = dpu_hw_lm_init(lm->id, mmio, cat); - if (IS_ERR_OR_NULL(hw)) { - rc = PTR_ERR(hw); - DPU_ERROR("failed lm object creation: err %d\n", rc); - goto fail; - } - rm->mixer_blks[lm->id - LM_0] = &hw->base; - - if (!rm->lm_max_width) { - rm->lm_max_width = lm->sblk->maxwidth; - } else if (rm->lm_max_width != lm->sblk->maxwidth) { - /* - * Don't expect to have hw where lm max widths differ. - * If found, take the min. - */ - DPU_ERROR("unsupported: lm maxwidth differs\n"); - if (rm->lm_max_width > lm->sblk->maxwidth) - rm->lm_max_width = lm->sblk->maxwidth; - } - } - for (i = 0; i < cat->merge_3d_count; i++) { struct dpu_hw_merge_3d *hw; const struct dpu_merge_3d_cfg *merge_3d = &cat->merge_3d[i]; @@ -204,21 +169,38 @@ int dpu_rm_init(struct dpu_rm *rm, rm->ctl_blks[ctl->id - CTL_0] = &hw->base; }
- for (i = 0; i < cat->dspp_count; i++) { - struct dpu_hw_dspp *hw; - const struct dpu_dspp_cfg *dspp = &cat->dspp[i]; + for (i = 0; i < cat->mixer_count; i++) { + struct dpu_hw_mixer *hw; + const struct dpu_lm_cfg *lm = &cat->mixer[i];
- if (dspp->id < DSPP_0 || dspp->id >= DSPP_MAX) { - DPU_ERROR("skip dspp %d with invalid id\n", dspp->id); + if (lm->pingpong == PINGPONG_MAX) { + DPU_DEBUG("skip mixer %d without pingpong\n", lm->id); + continue; + } + + if (lm->id < LM_0 || lm->id >= LM_MAX) { + DPU_ERROR("skip mixer %d with invalid id\n", lm->id); continue; } - hw = dpu_hw_dspp_init(dspp->id, mmio, cat); + hw = dpu_hw_lm_init(lm->id, mmio, cat); if (IS_ERR_OR_NULL(hw)) { rc = PTR_ERR(hw); - DPU_ERROR("failed dspp object creation: err %d\n", rc); + DPU_ERROR("failed lm object creation: err %d\n", rc); goto fail; } - rm->dspp_blks[dspp->id - DSPP_0] = &hw->base; + rm->mixer_blks[lm->id - LM_0] = &hw->base; + + if (!rm->lm_max_width) { + rm->lm_max_width = lm->sblk->maxwidth; + } else if (rm->lm_max_width != lm->sblk->maxwidth) { + /* + * Don't expect to have hw where lm max widths differ. + * If found, take the min. + */ + DPU_ERROR("unsupported: lm maxwidth differs\n"); + if (rm->lm_max_width > lm->sblk->maxwidth) + rm->lm_max_width = lm->sblk->maxwidth; + } }
return 0; @@ -271,15 +253,13 @@ static bool _dpu_rm_check_lm_peer(struct dpu_rm *rm, int primary_idx, * available and appropriate * @pp_idx: output parameter, index of pingpong block attached to the layer * mixer in rm->pingpong_blks[]. - * @dspp_idx: output parameter, index of dspp block attached to the layer - * mixer in rm->dspp_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, int *dspp_idx, + uint32_t enc_id, int lm_idx, int *pp_idx, struct dpu_rm_requirements *reqs) { const struct dpu_lm_cfg *lm_cfg; @@ -305,22 +285,6 @@ static bool _dpu_rm_check_lm_and_get_connected_blks(struct dpu_rm *rm, } *pp_idx = idx;
- if (!reqs->topology.num_dspp) - return true; - - idx = lm_cfg->dspp - DSPP_0; - if (idx < 0 || idx >= ARRAY_SIZE(rm->dspp_blks)) { - DPU_ERROR("failed to get dspp on lm %d\n", lm_cfg->dspp); - return false; - } - - if (reserved_by_other(global_state->dspp_to_enc_id, idx, enc_id)) { - DPU_DEBUG("lm %d dspp %d already reserved\n", lm_cfg->id, - lm_cfg->dspp); - return false; - } - *dspp_idx = idx; - return true; }
@@ -332,7 +296,6 @@ static int _dpu_rm_reserve_lms(struct dpu_rm *rm, { int lm_idx[MAX_BLOCKS]; int pp_idx[MAX_BLOCKS]; - int dspp_idx[MAX_BLOCKS] = {0}; int i, j, lm_count = 0;
if (!reqs->topology.num_lm) { @@ -351,7 +314,7 @@ static int _dpu_rm_reserve_lms(struct dpu_rm *rm,
if (!_dpu_rm_check_lm_and_get_connected_blks(rm, global_state, enc_id, i, &pp_idx[lm_count], - &dspp_idx[lm_count], reqs)) { + reqs)) { continue; }
@@ -371,7 +334,7 @@ static int _dpu_rm_reserve_lms(struct dpu_rm *rm,
if (!_dpu_rm_check_lm_and_get_connected_blks(rm, global_state, enc_id, j, - &pp_idx[lm_count], &dspp_idx[lm_count], + &pp_idx[lm_count], reqs)) { continue; } @@ -389,8 +352,6 @@ 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; - global_state->dspp_to_enc_id[dspp_idx[i]] = - reqs->topology.num_dspp ? enc_id : 0;
trace_dpu_rm_reserve_lms(lm_idx[i] + LM_0, enc_id, pp_idx[i] + PINGPONG_0); @@ -635,11 +596,6 @@ int dpu_rm_get_assigned_resources(struct dpu_rm *rm, hw_to_enc_id = global_state->intf_to_enc_id; max_blks = ARRAY_SIZE(rm->intf_blks); break; - case DPU_HW_BLK_DSPP: - hw_blks = rm->dspp_blks; - hw_to_enc_id = global_state->dspp_to_enc_id; - max_blks = ARRAY_SIZE(rm->dspp_blks); - break; default: DPU_ERROR("blk type %d not managed by rm\n", type); return 0; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h index 1f12c8d5b8aa..91952af6c75b 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h @@ -19,7 +19,6 @@ struct dpu_global_state; * @mixer_blks: array of layer mixer hardware resources * @ctl_blks: array of ctl hardware resources * @intf_blks: array of intf hardware resources - * @dspp_blks: array of dspp hardware resources * @lm_max_width: cached layer mixer maximum width * @rm_lock: resource manager mutex */ @@ -28,7 +27,6 @@ struct dpu_rm { 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]; - struct dpu_hw_blk *dspp_blks[DSPP_MAX - DSPP_0]; struct dpu_hw_blk *merge_3d_blks[MERGE_3D_MAX - MERGE_3D_0];
uint32_t lm_max_width;