Add support for handling and allocting SSPP blocks through the resource manager. Handling code is not converted to use it though.
Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org --- drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h | 10 +++ drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h | 1 + drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 18 ++--- drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 81 +++++++++++++++++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 6 ++ 5 files changed, 104 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h index fcf131f77df2..1bbe178f6db5 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.h @@ -387,6 +387,16 @@ struct dpu_hw_pipe { struct dpu_hw_sspp_ops ops; };
+/** + * to_dpu_hw_pipe - convert base object dpu_hw_base to container + * @hw: Pointer to base hardware block + * return: Pointer to hardware block container + */ +static inline struct dpu_hw_pipe *to_dpu_hw_pipe(struct dpu_hw_blk *hw) +{ + return container_of(hw, struct dpu_hw_pipe, base); +} + /** * dpu_hw_sspp_init - initializes the sspp hw driver object. * Should be called once before accessing every pipe. diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h index ab65c817eb42..04a2ab548f54 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.h @@ -159,6 +159,7 @@ 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 pipe_to_plane_id[SSPP_MAX - SSPP_NONE]; };
struct dpu_global_state diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c index 8a8727ff7645..70e3eb165363 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c @@ -1235,8 +1235,6 @@ static void dpu_plane_destroy(struct drm_plane *plane) /* this will destroy the states as well */ drm_plane_cleanup(plane);
- dpu_hw_sspp_destroy(pdpu->pipe_hw); - kfree(pdpu); } } @@ -1390,14 +1388,13 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev, pdpu->pipe = pipe;
/* initialize underlying h/w driver */ - pdpu->pipe_hw = dpu_hw_sspp_init(pipe, kms->mmio, kms->catalog, false); - if (IS_ERR(pdpu->pipe_hw)) { - DPU_ERROR("[%u]SSPP init failed\n", pipe); - ret = PTR_ERR(pdpu->pipe_hw); + if (!kms->rm.sspp_blks[pipe - SSPP_NONE]) goto clean_plane; - } else if (!pdpu->pipe_hw->cap || !pdpu->pipe_hw->cap->sblk) { + pdpu->pipe_hw = to_dpu_hw_pipe(kms->rm.sspp_blks[pipe - SSPP_NONE]); + + if (!pdpu->pipe_hw->cap || !pdpu->pipe_hw->cap->sblk) { DPU_ERROR("[%u]SSPP init returned invalid cfg\n", pipe); - goto clean_sspp; + goto clean_plane; }
format_list = pdpu->pipe_hw->cap->sblk->format_list; @@ -1407,7 +1404,7 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev, format_list, num_formats, supported_format_modifiers, type, NULL); if (ret) - goto clean_sspp; + goto clean_plane;
pdpu->catalog = kms->catalog;
@@ -1433,9 +1430,6 @@ struct drm_plane *dpu_plane_init(struct drm_device *dev, pipe, plane->base.id); return plane;
-clean_sspp: - if (pdpu && pdpu->pipe_hw) - dpu_hw_sspp_destroy(pdpu->pipe_hw); clean_plane: kfree(pdpu); return ERR_PTR(ret); diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c index f9c83d6e427a..9772427eae6b 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c @@ -8,6 +8,7 @@ #include "dpu_hw_lm.h" #include "dpu_hw_ctl.h" #include "dpu_hw_pingpong.h" +#include "dpu_hw_sspp.h" #include "dpu_hw_intf.h" #include "dpu_hw_dspp.h" #include "dpu_hw_merge3d.h" @@ -35,6 +36,14 @@ int dpu_rm_destroy(struct dpu_rm *rm) { int i;
+ for (i = 0; i < ARRAY_SIZE(rm->sspp_blks); i++) { + struct dpu_hw_pipe *hw; + + if (rm->sspp_blks[i]) { + hw = to_dpu_hw_pipe(rm->sspp_blks[i]); + dpu_hw_sspp_destroy(hw); + } + } for (i = 0; i < ARRAY_SIZE(rm->pingpong_blks); i++) { struct dpu_hw_pingpong *hw;
@@ -166,6 +175,24 @@ int dpu_rm_init(struct dpu_rm *rm, rm->pingpong_blks[pp->id - PINGPONG_0] = &hw->base; }
+ for (i = 0; i < cat->sspp_count; i++) { + struct dpu_hw_pipe *hw; + const struct dpu_sspp_cfg *sspp = &cat->sspp[i]; + + if (sspp->id <= SSPP_NONE || sspp->id >= SSPP_MAX) { + DPU_ERROR("skip sspp %d with invalid id\n", sspp->id); + continue; + } + hw = dpu_hw_sspp_init(sspp->id, mmio, cat, false); + if (IS_ERR_OR_NULL(hw)) { + rc = PTR_ERR(hw); + DPU_ERROR("failed sspp object creation: err %d\n", + rc); + goto fail; + } + rm->sspp_blks[sspp->id - SSPP_NONE] = &hw->base; + } + for (i = 0; i < cat->intf_count; i++) { struct dpu_hw_intf *hw; const struct dpu_intf_cfg *intf = &cat->intf[i]; @@ -660,3 +687,57 @@ int dpu_rm_get_assigned_resources(struct dpu_rm *rm,
return num_blks; } + +enum dpu_sspp dpu_rm_get_sspp(struct dpu_rm *rm, struct dpu_global_state *global_state, uint32_t plane_id, bool yuv, bool scale) +{ + int i; + enum dpu_sspp pipe = SSPP_NONE; + struct dpu_hw_pipe *pipe_hw; + bool retry = false; + +retry_loop: + for (i = 0; i < ARRAY_SIZE(rm->sspp_blks) && pipe == SSPP_NONE; i++) { + if (!rm->sspp_blks[i]) + continue; + if (reserved_by_other(global_state->pipe_to_plane_id, i, plane_id)) + continue; + + pipe_hw = to_dpu_hw_pipe(rm->sspp_blks[i]); + + /* skip incompatible planes */ + if (scale && !(pipe_hw->cap->features & DPU_SSPP_SCALER)) + continue; + + if (yuv && (!(pipe_hw->cap->features & DPU_SSPP_SCALER) || + !(pipe_hw->cap->features & DPU_SSPP_CSC_ANY))) + continue; + + /* For non-yuv, non-scaled planes try to find simple (DMA) + * plane, fallback to VIG on a second try. + * + * This way we'd leave VIG pipes to be later used for YUV formats. + */ + + if (!scale && !yuv && !retry && + (pipe_hw->cap->features & (DPU_SSPP_SCALER | DPU_SSPP_CSC_ANY))) + continue; + + pipe = i + SSPP_NONE; + }; + + if (!scale && !yuv && !retry && pipe == SSPP_NONE) { + retry = true; + goto retry_loop; + } + + if (pipe != SSPP_NONE) + global_state->pipe_to_plane_id[pipe - SSPP_NONE] = plane_id; + + return pipe; +} + +void dpu_rm_release_sspp(struct dpu_rm *rm, struct dpu_global_state *global_state, struct drm_plane *plane) +{ + _dpu_rm_clear_mapping(global_state->pipe_to_plane_id, + ARRAY_SIZE(global_state->pipe_to_plane_id), plane->base.id); +} diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h index 1f12c8d5b8aa..abd20509f963 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h @@ -16,6 +16,7 @@ struct dpu_global_state; /** * struct dpu_rm - DPU dynamic hardware resource manager * @pingpong_blks: array of pingpong hardware resources + * @sspp_blks: array of sspp hardware resources * @mixer_blks: array of layer mixer hardware resources * @ctl_blks: array of ctl hardware resources * @intf_blks: array of intf hardware resources @@ -25,6 +26,7 @@ struct dpu_global_state; */ struct dpu_rm { struct dpu_hw_blk *pingpong_blks[PINGPONG_MAX - PINGPONG_0]; + struct dpu_hw_blk *sspp_blks[SSPP_MAX - SSPP_NONE]; 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]; @@ -88,5 +90,9 @@ void dpu_rm_release(struct dpu_global_state *global_state, int dpu_rm_get_assigned_resources(struct dpu_rm *rm, struct dpu_global_state *global_state, uint32_t enc_id, enum dpu_hw_blk_type type, struct dpu_hw_blk **blks, int blks_size); + +enum dpu_sspp dpu_rm_get_sspp(struct dpu_rm *rm, struct dpu_global_state *global_state, uint32_t plane_id, bool yuv, bool scale); +void dpu_rm_release_sspp(struct dpu_rm *rm, struct dpu_global_state *global_state, struct drm_plane *plane); + #endif /* __DPU_RM_H__ */