| Message ID | 20211116062256.2417186-11-vkoul@kernel.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | drm/msm: Add Display Stream Compression Support | expand |
On 16/11/2021 09:22, Vinod Koul wrote: > This add the bits in RM to enable the DSC blocks > > Signed-off-by: Vinod Koul <vkoul@kernel.org> > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 1 + > drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 66 +++++++++++++++++++++++++ > drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 1 + > 3 files changed, 68 insertions(+) > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h > index 775bcbda860f..fd6672efb096 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h > @@ -146,6 +146,7 @@ struct dpu_global_state { > 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]; > + uint32_t dsc_to_enc_id[DSC_MAX - DSC_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 f9c83d6e427a..c9d0fc765aaf 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c > @@ -11,6 +11,7 @@ > #include "dpu_hw_intf.h" > #include "dpu_hw_dspp.h" > #include "dpu_hw_merge3d.h" > +#include "dpu_hw_dsc.h" > #include "dpu_encoder.h" > #include "dpu_trace.h" > > @@ -75,6 +76,14 @@ int dpu_rm_destroy(struct dpu_rm *rm) > dpu_hw_intf_destroy(hw); > } > } > + for (i = 0; i < ARRAY_SIZE(rm->dsc_blks); i++) { > + struct dpu_hw_dsc *hw; > + > + if (rm->dsc_blks[i]) { > + hw = to_dpu_hw_dsc(rm->dsc_blks[i]); > + dpu_hw_dsc_destroy(hw); > + } > + } > > return 0; > } > @@ -221,6 +230,19 @@ int dpu_rm_init(struct dpu_rm *rm, > rm->dspp_blks[dspp->id - DSPP_0] = &hw->base; > } > > + for (i = 0; i < cat->dsc_count; i++) { > + struct dpu_hw_dsc *hw; > + const struct dpu_dsc_cfg *dsc = &cat->dsc[i]; > + > + hw = dpu_hw_dsc_init(dsc->id, mmio, cat); > + if (IS_ERR_OR_NULL(hw)) { > + rc = PTR_ERR(hw); > + DPU_ERROR("failed dsc object creation: err %d\n", rc); > + goto fail; > + } > + rm->dsc_blks[dsc->id - DSC_0] = &hw->base; > + } > + > return 0; > > fail: > @@ -476,6 +498,7 @@ static int _dpu_rm_reserve_intf( > } > > global_state->intf_to_enc_id[idx] = enc_id; > + > return 0; > } > > @@ -500,6 +523,38 @@ static int _dpu_rm_reserve_intf_related_hw( > return ret; > } > > +static int _dpu_rm_reserve_dsc(struct dpu_rm *rm, > + struct dpu_global_state *global_state, > + struct drm_encoder *enc, > + const struct msm_display_topology *top) > +{ > + struct msm_drm_private *priv; > + int num_dsc = top->num_dsc; > + int i; > + > + priv = enc->dev->dev_private; > + > + if (!priv) > + return -EIO; > + > + /* check if DSC is supported */ > + if (!priv->dsc) > + return 0; I don't think this check is necessary. If topology requests the DSC, just give away required amount of hw blocks. > + > + /* check if DSC required are allocated or not */ > + for (i = 0; i < num_dsc; i++) { > + if (global_state->dsc_to_enc_id[i]) { > + DPU_ERROR("DSC %d is already allocated\n", i); > + return -EIO; > + } > + } > + > + for (i = 0; i < num_dsc; i++) > + global_state->dsc_to_enc_id[i] = enc->base.id; > + > + return 0; > +} > + > static int _dpu_rm_make_reservation( > struct dpu_rm *rm, > struct dpu_global_state *global_state, > @@ -526,6 +581,10 @@ static int _dpu_rm_make_reservation( > if (ret) > return ret; > > + ret = _dpu_rm_reserve_dsc(rm, global_state, enc, &reqs->topology); > + if (ret) > + return ret; > + > return ret; > } > > @@ -567,6 +626,8 @@ void dpu_rm_release(struct dpu_global_state *global_state, > ARRAY_SIZE(global_state->ctl_to_enc_id), enc->base.id); > _dpu_rm_clear_mapping(global_state->intf_to_enc_id, > ARRAY_SIZE(global_state->intf_to_enc_id), enc->base.id); > + _dpu_rm_clear_mapping(global_state->dsc_to_enc_id, > + ARRAY_SIZE(global_state->dsc_to_enc_id), enc->base.id); > } > > int dpu_rm_reserve( > @@ -640,6 +701,11 @@ int dpu_rm_get_assigned_resources(struct dpu_rm *rm, > hw_to_enc_id = global_state->dspp_to_enc_id; > max_blks = ARRAY_SIZE(rm->dspp_blks); > break; > + case DPU_HW_BLK_DSC: > + hw_blks = rm->dsc_blks; > + hw_to_enc_id = global_state->dsc_to_enc_id; > + max_blks = ARRAY_SIZE(rm->dsc_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..278d2a510b80 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h > @@ -30,6 +30,7 @@ struct dpu_rm { > 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]; > + struct dpu_hw_blk *dsc_blks[DSC_MAX - DSC_0]; > > uint32_t lm_max_width; > }; >
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index 775bcbda860f..fd6672efb096 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -146,6 +146,7 @@ struct dpu_global_state { 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]; + uint32_t dsc_to_enc_id[DSC_MAX - DSC_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 f9c83d6e427a..c9d0fc765aaf 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c @@ -11,6 +11,7 @@ #include "dpu_hw_intf.h" #include "dpu_hw_dspp.h" #include "dpu_hw_merge3d.h" +#include "dpu_hw_dsc.h" #include "dpu_encoder.h" #include "dpu_trace.h" @@ -75,6 +76,14 @@ int dpu_rm_destroy(struct dpu_rm *rm) dpu_hw_intf_destroy(hw); } } + for (i = 0; i < ARRAY_SIZE(rm->dsc_blks); i++) { + struct dpu_hw_dsc *hw; + + if (rm->dsc_blks[i]) { + hw = to_dpu_hw_dsc(rm->dsc_blks[i]); + dpu_hw_dsc_destroy(hw); + } + } return 0; } @@ -221,6 +230,19 @@ int dpu_rm_init(struct dpu_rm *rm, rm->dspp_blks[dspp->id - DSPP_0] = &hw->base; } + for (i = 0; i < cat->dsc_count; i++) { + struct dpu_hw_dsc *hw; + const struct dpu_dsc_cfg *dsc = &cat->dsc[i]; + + hw = dpu_hw_dsc_init(dsc->id, mmio, cat); + if (IS_ERR_OR_NULL(hw)) { + rc = PTR_ERR(hw); + DPU_ERROR("failed dsc object creation: err %d\n", rc); + goto fail; + } + rm->dsc_blks[dsc->id - DSC_0] = &hw->base; + } + return 0; fail: @@ -476,6 +498,7 @@ static int _dpu_rm_reserve_intf( } global_state->intf_to_enc_id[idx] = enc_id; + return 0; } @@ -500,6 +523,38 @@ static int _dpu_rm_reserve_intf_related_hw( return ret; } +static int _dpu_rm_reserve_dsc(struct dpu_rm *rm, + struct dpu_global_state *global_state, + struct drm_encoder *enc, + const struct msm_display_topology *top) +{ + struct msm_drm_private *priv; + int num_dsc = top->num_dsc; + int i; + + priv = enc->dev->dev_private; + + if (!priv) + return -EIO; + + /* check if DSC is supported */ + if (!priv->dsc) + return 0; + + /* check if DSC required are allocated or not */ + for (i = 0; i < num_dsc; i++) { + if (global_state->dsc_to_enc_id[i]) { + DPU_ERROR("DSC %d is already allocated\n", i); + return -EIO; + } + } + + for (i = 0; i < num_dsc; i++) + global_state->dsc_to_enc_id[i] = enc->base.id; + + return 0; +} + static int _dpu_rm_make_reservation( struct dpu_rm *rm, struct dpu_global_state *global_state, @@ -526,6 +581,10 @@ static int _dpu_rm_make_reservation( if (ret) return ret; + ret = _dpu_rm_reserve_dsc(rm, global_state, enc, &reqs->topology); + if (ret) + return ret; + return ret; } @@ -567,6 +626,8 @@ void dpu_rm_release(struct dpu_global_state *global_state, ARRAY_SIZE(global_state->ctl_to_enc_id), enc->base.id); _dpu_rm_clear_mapping(global_state->intf_to_enc_id, ARRAY_SIZE(global_state->intf_to_enc_id), enc->base.id); + _dpu_rm_clear_mapping(global_state->dsc_to_enc_id, + ARRAY_SIZE(global_state->dsc_to_enc_id), enc->base.id); } int dpu_rm_reserve( @@ -640,6 +701,11 @@ int dpu_rm_get_assigned_resources(struct dpu_rm *rm, hw_to_enc_id = global_state->dspp_to_enc_id; max_blks = ARRAY_SIZE(rm->dspp_blks); break; + case DPU_HW_BLK_DSC: + hw_blks = rm->dsc_blks; + hw_to_enc_id = global_state->dsc_to_enc_id; + max_blks = ARRAY_SIZE(rm->dsc_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..278d2a510b80 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h @@ -30,6 +30,7 @@ struct dpu_rm { 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]; + struct dpu_hw_blk *dsc_blks[DSC_MAX - DSC_0]; uint32_t lm_max_width; };
This add the bits in RM to enable the DSC blocks Signed-off-by: Vinod Koul <vkoul@kernel.org> --- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 1 + drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 66 +++++++++++++++++++++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 1 + 3 files changed, 68 insertions(+)