Similar to Layer Split, but Splitter is used for writeback, which splits the compiz result to two half parts and then feed them to two scalers. v2: Rebase Signed-off-by: James Qian Wang (Arm Technology China) <james.qian.wang@xxxxxxx> --- .../arm/display/komeda/d71/d71_component.c | 63 +++++++++++++++++++ .../drm/arm/display/komeda/komeda_pipeline.c | 3 + .../drm/arm/display/komeda/komeda_pipeline.h | 19 +++++- .../arm/display/komeda/komeda_private_obj.c | 50 +++++++++++++++ 4 files changed, 133 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c index f40fdd175479..4b19a9aefa90 100644 --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c @@ -808,6 +808,68 @@ static int d71_downscaling_clk_check(struct komeda_pipeline *pipe, 0 : -EINVAL; } +static void d71_splitter_update(struct komeda_component *c, + struct komeda_component_state *state) +{ + struct komeda_splitter_state *st = to_splitter_st(state); + u32 __iomem *reg = c->reg; + + malidp_write32(reg, BLK_INPUT_ID0, to_d71_input_id(state, 0)); + malidp_write32(reg, BLK_SIZE, HV_SIZE(st->hsize, st->vsize)); + malidp_write32(reg, SP_OVERLAP_SIZE, st->overlap & 0x1FFF); + malidp_write32(reg, BLK_CONTROL, BLK_CTRL_EN); +} + +static void d71_splitter_dump(struct komeda_component *c, struct seq_file *sf) +{ + u32 v[3]; + + dump_block_header(sf, c->reg); + + get_values_from_reg(c->reg, BLK_INPUT_ID0, 1, v); + seq_printf(sf, "SP_INPUT_ID0:\t\t0x%X\n", v[0]); + + get_values_from_reg(c->reg, BLK_CONTROL, 3, v); + seq_printf(sf, "SP_CONTROL:\t\t0x%X\n", v[0]); + seq_printf(sf, "SP_SIZE:\t\t0x%X\n", v[1]); + seq_printf(sf, "SP_OVERLAP_SIZE:\t0x%X\n", v[2]); +} + +static const struct komeda_component_funcs d71_splitter_funcs = { + .update = d71_splitter_update, + .disable = d71_component_disable, + .dump_register = d71_splitter_dump, +}; + +static int d71_splitter_init(struct d71_dev *d71, + struct block_header *blk, u32 __iomem *reg) +{ + struct komeda_component *c; + struct komeda_splitter *splitter; + u32 pipe_id, comp_id; + + get_resources_id(blk->block_info, &pipe_id, &comp_id); + + c = komeda_component_add(&d71->pipes[pipe_id]->base, sizeof(*splitter), + comp_id, + BLOCK_INFO_INPUT_ID(blk->block_info), + &d71_splitter_funcs, + 1, get_valid_inputs(blk), 2, reg, + "CU%d_SPLITTER", pipe_id); + + if (IS_ERR(c)) { + DRM_ERROR("Failed to initialize splitter"); + return -1; + } + + splitter = to_splitter(c); + + set_range(&splitter->hsize, 4, d71->max_line_size); + set_range(&splitter->vsize, 4, d71->max_vsize); + + return 0; +} + static void d71_merger_update(struct komeda_component *c, struct komeda_component_state *state) { @@ -1102,6 +1164,7 @@ int d71_probe_block(struct d71_dev *d71, break; case D71_BLK_TYPE_CU_SPLITTER: + err = d71_splitter_init(d71, blk, reg); break; case D71_BLK_TYPE_CU_MERGER: diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c index eb9e0c0af8f3..c0130f1fac44 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.c @@ -91,6 +91,9 @@ komeda_pipeline_get_component_pos(struct komeda_pipeline *pipe, int id) case KOMEDA_COMPONENT_SCALER1: pos = to_cpos(pipe->scalers[id - KOMEDA_COMPONENT_SCALER0]); break; + case KOMEDA_COMPONENT_SPLITTER: + pos = to_cpos(pipe->splitter); + break; case KOMEDA_COMPONENT_MERGER: pos = to_cpos(pipe->merger); break; diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h index f6a4a51cb5f7..b6fed54b1cf1 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h @@ -301,6 +301,17 @@ struct komeda_merger_state { u16 vsize_merged; }; +struct komeda_splitter { + struct komeda_component base; + struct malidp_range hsize, vsize; +}; + +struct komeda_splitter_state { + struct komeda_component_state base; + u16 hsize, vsize; + u16 overlap; +}; + struct komeda_improc { struct komeda_component base; u32 supported_color_formats; /* DRM_RGB/YUV444/YUV420*/ @@ -388,6 +399,8 @@ struct komeda_pipeline { struct komeda_scaler *scalers[KOMEDA_PIPELINE_MAX_SCALERS]; /** @compiz: compositor */ struct komeda_compiz *compiz; + /** @splitter: for split the compiz output to two half data flows */ + struct komeda_splitter *splitter; /** @merger: merger */ struct komeda_merger *merger; /** @wb_layer: writeback layer */ @@ -432,14 +445,16 @@ struct komeda_pipeline_state { #define to_layer(c) container_of(c, struct komeda_layer, base) #define to_compiz(c) container_of(c, struct komeda_compiz, base) #define to_scaler(c) container_of(c, struct komeda_scaler, base) +#define to_splitter(c) container_of(c, struct komeda_splitter, base) #define to_merger(c) container_of(c, struct komeda_merger, base) #define to_improc(c) container_of(c, struct komeda_improc, base) #define to_ctrlr(c) container_of(c, struct komeda_timing_ctrlr, base) #define to_layer_st(c) container_of(c, struct komeda_layer_state, base) #define to_compiz_st(c) container_of(c, struct komeda_compiz_state, base) -#define to_scaler_st(c) container_of(c, struct komeda_scaler_state, base) -#define to_merger_st(c) container_of(c, struct komeda_merger_state, base) +#define to_scaler_st(c) container_of(c, struct komeda_scaler_state, base) +#define to_splitter_st(c) container_of(c, struct komeda_splitter_state, base) +#define to_merger_st(c) container_of(c, struct komeda_merger_state, base) #define to_improc_st(c) container_of(c, struct komeda_improc_state, base) #define to_ctrlr_st(c) container_of(c, struct komeda_timing_ctrlr_state, base) diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c b/drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c index 0f4e1f601ce0..914400c4af73 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_private_obj.c @@ -146,6 +146,50 @@ static int komeda_compiz_obj_add(struct komeda_kms_dev *kms, return 0; } +static struct drm_private_state * +komeda_splitter_atomic_duplicate_state(struct drm_private_obj *obj) +{ + struct komeda_splitter_state *st; + + st = kmemdup(obj->state, sizeof(*st), GFP_KERNEL); + if (!st) + return NULL; + + komeda_component_state_reset(&st->base); + __drm_atomic_helper_private_obj_duplicate_state(obj, &st->base.obj); + + return &st->base.obj; +} + +static void +komeda_splitter_atomic_destroy_state(struct drm_private_obj *obj, + struct drm_private_state *state) +{ + kfree(to_splitter_st(priv_to_comp_st(state))); +} + +static const struct drm_private_state_funcs komeda_splitter_obj_funcs = { + .atomic_duplicate_state = komeda_splitter_atomic_duplicate_state, + .atomic_destroy_state = komeda_splitter_atomic_destroy_state, +}; + +static int komeda_splitter_obj_add(struct komeda_kms_dev *kms, + struct komeda_splitter *splitter) +{ + struct komeda_splitter_state *st; + + st = kzalloc(sizeof(*st), GFP_KERNEL); + if (!st) + return -ENOMEM; + + st->base.component = &splitter->base; + drm_atomic_private_obj_init(&kms->base, + &splitter->base.obj, &st->base.obj, + &komeda_splitter_obj_funcs); + + return 0; +} + static struct drm_private_state * komeda_merger_atomic_duplicate_state(struct drm_private_obj *obj) { @@ -354,6 +398,12 @@ int komeda_kms_add_private_objs(struct komeda_kms_dev *kms, if (err) return err; + if (pipe->splitter) { + err = komeda_splitter_obj_add(kms, pipe->splitter); + if (err) + return err; + } + if (pipe->merger) { err = komeda_merger_obj_add(kms, pipe->merger); if (err) -- 2.17.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel