diff options
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 38 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.h | 2 |
4 files changed, 40 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h index 9db4cf61bd29..5df545904057 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h @@ -98,6 +98,7 @@ enum dpu_hw_blk_type { DPU_HW_BLK_DSPP, DPU_HW_BLK_MERGE_3D, DPU_HW_BLK_DSC, + DPU_HW_BLK_CDM, DPU_HW_BLK_MAX, }; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index 9112a702a00f..d1207f4ec3ae 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -136,6 +136,7 @@ struct dpu_global_state { uint32_t ctl_to_enc_id[CTL_MAX - CTL_0]; uint32_t dspp_to_enc_id[DSPP_MAX - DSPP_0]; uint32_t dsc_to_enc_id[DSC_MAX - DSC_0]; + uint32_t cdm_to_enc_id; }; 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 7ed476b96304..b58a9c2ae326 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c @@ -435,6 +435,26 @@ static int _dpu_rm_reserve_dsc(struct dpu_rm *rm, return 0; } +static int _dpu_rm_reserve_cdm(struct dpu_rm *rm, + struct dpu_global_state *global_state, + struct drm_encoder *enc) +{ + /* try allocating only one CDM block */ + if (!rm->cdm_blk) { + DPU_ERROR("CDM block does not exist\n"); + return -EIO; + } + + if (global_state->cdm_to_enc_id) { + DPU_ERROR("CDM_0 is already allocated\n"); + return -EIO; + } + + global_state->cdm_to_enc_id = enc->base.id; + + return 0; +} + static int _dpu_rm_make_reservation( struct dpu_rm *rm, struct dpu_global_state *global_state, @@ -460,6 +480,14 @@ static int _dpu_rm_make_reservation( if (ret) return ret; + if (reqs->topology.needs_cdm) { + ret = _dpu_rm_reserve_cdm(rm, global_state, enc); + if (ret) { + DPU_ERROR("unable to find CDM blk\n"); + return ret; + } + } + return ret; } @@ -470,9 +498,9 @@ static int _dpu_rm_populate_requirements( { reqs->topology = req_topology; - DRM_DEBUG_KMS("num_lm: %d num_dsc: %d num_intf: %d\n", + DRM_DEBUG_KMS("num_lm: %d num_dsc: %d num_intf: %d cdm: %d\n", reqs->topology.num_lm, reqs->topology.num_dsc, - reqs->topology.num_intf); + reqs->topology.num_intf, reqs->topology.needs_cdm); return 0; } @@ -501,6 +529,7 @@ void dpu_rm_release(struct dpu_global_state *global_state, ARRAY_SIZE(global_state->dsc_to_enc_id), enc->base.id); _dpu_rm_clear_mapping(global_state->dspp_to_enc_id, ARRAY_SIZE(global_state->dspp_to_enc_id), enc->base.id); + _dpu_rm_clear_mapping(&global_state->cdm_to_enc_id, 1, enc->base.id); } int dpu_rm_reserve( @@ -574,6 +603,11 @@ int dpu_rm_get_assigned_resources(struct dpu_rm *rm, hw_to_enc_id = global_state->dsc_to_enc_id; max_blks = ARRAY_SIZE(rm->dsc_blks); break; + case DPU_HW_BLK_CDM: + hw_blks = &rm->cdm_blk; + hw_to_enc_id = &global_state->cdm_to_enc_id; + max_blks = 1; + break; default: DPU_ERROR("blk type %d not managed by rm\n", type); return 0; diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index c0446fa66b98..16a7cbc0b7dd 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -90,12 +90,14 @@ enum msm_event_wait { * @num_intf: number of interfaces the panel is mounted on * @num_dspp: number of dspp blocks used * @num_dsc: number of Display Stream Compression (DSC) blocks used + * @needs_cdm: indicates whether cdm block is needed for this display topology */ struct msm_display_topology { u32 num_lm; u32 num_intf; u32 num_dspp; u32 num_dsc; + bool needs_cdm; }; /* Commit/Event thread specific structure */ |