This add the bits in RM to enable the DSC blocks
Reviewed-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Reviewed-by: Abhinav Kumar quic_abhinavk@quicinc.com 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 | 56 +++++++++++++++++++++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 1 + 3 files changed, 58 insertions(+)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index 779e7bd01efd..a41f0eb2761b 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -145,6 +145,7 @@ 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 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 7497538adae1..0e6634b217aa 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"
@@ -77,6 +78,15 @@ int dpu_rm_destroy(struct dpu_rm *rm) for (i = 0; i < ARRAY_SIZE(rm->hw_intf); i++) dpu_hw_intf_destroy(rm->hw_intf[i]);
+ 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; }
@@ -210,6 +220,19 @@ 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: @@ -441,6 +464,28 @@ static int _dpu_rm_reserve_ctls( return 0; }
+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) +{ + int num_dsc = top->num_dsc; + int i; + + /* 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, @@ -462,6 +507,10 @@ static int _dpu_rm_make_reservation( return ret; }
+ ret = _dpu_rm_reserve_dsc(rm, global_state, enc, &reqs->topology); + if (ret) + return ret; + return ret; }
@@ -499,6 +548,8 @@ void dpu_rm_release(struct dpu_global_state *global_state, ARRAY_SIZE(global_state->mixer_to_enc_id), enc->base.id); _dpu_rm_clear_mapping(global_state->ctl_to_enc_id, ARRAY_SIZE(global_state->ctl_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( @@ -567,6 +618,11 @@ 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 9b13200a050a..32e0d8aa65ab 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h @@ -28,6 +28,7 @@ struct dpu_rm { struct dpu_hw_intf *hw_intf[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]; };
/**