Add initial support for merge3D hardware block on SM8[12]50. Merge3D is reposible for merging contents of two LMs (two PPs) into single interface.
Signed-off-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org --- drivers/gpu/drm/msm/Makefile | 1 + .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 53 ++++++++++---- .../gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h | 18 +++++ drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h | 8 ++ .../gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.c | 73 +++++++++++++++++++ .../gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.h | 64 ++++++++++++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 27 +++++++ drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h | 1 + 8 files changed, 231 insertions(+), 14 deletions(-) create mode 100644 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.c create mode 100644 drivers/gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.h
diff --git a/drivers/gpu/drm/msm/Makefile b/drivers/gpu/drm/msm/Makefile index 340682cd0f32..3cc906121fb3 100644 --- a/drivers/gpu/drm/msm/Makefile +++ b/drivers/gpu/drm/msm/Makefile @@ -67,6 +67,7 @@ msm-y := \ disp/dpu1/dpu_hw_pingpong.o \ disp/dpu1/dpu_hw_sspp.o \ disp/dpu1/dpu_hw_dspp.o \ + disp/dpu1/dpu_hw_merge3d.o \ disp/dpu1/dpu_hw_top.o \ disp/dpu1/dpu_hw_util.o \ disp/dpu1/dpu_hw_vbif.o \ diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c index 60b304b72b7c..6a6a7172e3be 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c @@ -41,6 +41,8 @@ #define PINGPONG_SDM845_SPLIT_MASK \ (PINGPONG_SDM845_MASK | BIT(DPU_PINGPONG_TE2))
+#define MERGE_3D_SM8150_MASK (0) + #define DSPP_SC7180_MASK BIT(DPU_DSPP_PCC)
#define INTF_SDM845_MASK (0) @@ -481,40 +483,59 @@ static const struct dpu_pingpong_sub_blks sdm845_pp_sblk = { .len = 0x20, .version = 0x10000}, };
-#define PP_BLK_TE(_name, _id, _base) \ +#define PP_BLK_TE(_name, _id, _base, _merge_3d) \ {\ .name = _name, .id = _id, \ .base = _base, .len = 0xd4, \ .features = PINGPONG_SDM845_SPLIT_MASK, \ + .merge_3d = _merge_3d, \ .sblk = &sdm845_pp_sblk_te \ } -#define PP_BLK(_name, _id, _base) \ +#define PP_BLK(_name, _id, _base, _merge_3d) \ {\ .name = _name, .id = _id, \ .base = _base, .len = 0xd4, \ .features = PINGPONG_SDM845_MASK, \ + .merge_3d = _merge_3d, \ .sblk = &sdm845_pp_sblk \ }
static const struct dpu_pingpong_cfg sdm845_pp[] = { - PP_BLK_TE("pingpong_0", PINGPONG_0, 0x70000), - PP_BLK_TE("pingpong_1", PINGPONG_1, 0x70800), - PP_BLK("pingpong_2", PINGPONG_2, 0x71000), - PP_BLK("pingpong_3", PINGPONG_3, 0x71800), + PP_BLK_TE("pingpong_0", PINGPONG_0, 0x70000, 0), + PP_BLK_TE("pingpong_1", PINGPONG_1, 0x70800, 0), + PP_BLK("pingpong_2", PINGPONG_2, 0x71000, 0), + PP_BLK("pingpong_3", PINGPONG_3, 0x71800, 0), };
static struct dpu_pingpong_cfg sc7180_pp[] = { - PP_BLK_TE("pingpong_0", PINGPONG_0, 0x70000), - PP_BLK_TE("pingpong_1", PINGPONG_1, 0x70800), + PP_BLK_TE("pingpong_0", PINGPONG_0, 0x70000, 0), + PP_BLK_TE("pingpong_1", PINGPONG_1, 0x70800, 0), };
static const struct dpu_pingpong_cfg sm8150_pp[] = { - PP_BLK_TE("pingpong_0", PINGPONG_0, 0x70000), - PP_BLK_TE("pingpong_1", PINGPONG_1, 0x70800), - PP_BLK("pingpong_2", PINGPONG_2, 0x71000), - PP_BLK("pingpong_3", PINGPONG_3, 0x71800), - PP_BLK("pingpong_4", PINGPONG_4, 0x72000), - PP_BLK("pingpong_5", PINGPONG_5, 0x72800), + PP_BLK_TE("pingpong_0", PINGPONG_0, 0x70000, MERGE_3D_0), + PP_BLK_TE("pingpong_1", PINGPONG_1, 0x70800, MERGE_3D_0), + PP_BLK("pingpong_2", PINGPONG_2, 0x71000, MERGE_3D_1), + PP_BLK("pingpong_3", PINGPONG_3, 0x71800, MERGE_3D_1), + PP_BLK("pingpong_4", PINGPONG_4, 0x72000, MERGE_3D_2), + PP_BLK("pingpong_5", PINGPONG_5, 0x72800, MERGE_3D_2), +}; + +/************************************************************* + * MERGE_3D sub blocks config + *************************************************************/ +#define MERGE_3D_BLK(_name, _id, _base) \ + {\ + .name = _name, .id = _id, \ + .base = _base, .len = 0x100, \ + .features = MERGE_3D_SM8150_MASK, \ + .sblk = NULL \ + } + +static const struct dpu_merge_3d_cfg sm8150_merge_3d[] = { + MERGE_3D_BLK("merge_3d_0", MERGE_3D_0, 0x83000), + MERGE_3D_BLK("merge_3d_1", MERGE_3D_1, 0x83100), + MERGE_3D_BLK("merge_3d_2", MERGE_3D_2, 0x83200), };
/************************************************************* @@ -838,6 +859,8 @@ static void sm8150_cfg_init(struct dpu_mdss_cfg *dpu_cfg) .mixer = sm8150_lm, .pingpong_count = ARRAY_SIZE(sm8150_pp), .pingpong = sm8150_pp, + .merge_3d_count = ARRAY_SIZE(sm8150_merge_3d), + .merge_3d = sm8150_merge_3d, .intf_count = ARRAY_SIZE(sm8150_intf), .intf = sm8150_intf, .vbif_count = ARRAY_SIZE(sdm845_vbif), @@ -868,6 +891,8 @@ static void sm8250_cfg_init(struct dpu_mdss_cfg *dpu_cfg) .mixer = sm8150_lm, .pingpong_count = ARRAY_SIZE(sm8150_pp), .pingpong = sm8150_pp, + .merge_3d_count = ARRAY_SIZE(sm8150_merge_3d), + .merge_3d = sm8150_merge_3d, .intf_count = ARRAY_SIZE(sm8150_intf), .intf = sm8150_intf, .vbif_count = ARRAY_SIZE(sdm845_vbif), diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h index 3544af1a45c5..eaef99db2d2f 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.h @@ -524,9 +524,23 @@ struct dpu_dspp_cfg { */ struct dpu_pingpong_cfg { DPU_HW_BLK_INFO; + u32 merge_3d; const struct dpu_pingpong_sub_blks *sblk; };
+/** + * struct dpu_merge_3d_cfg - information of DSPP blocks + * @id enum identifying this block + * @base register offset of this block + * @features bit mask identifying sub-blocks/features + * supported by this block + * @sblk sub-blocks information + */ +struct dpu_merge_3d_cfg { + DPU_HW_BLK_INFO; + const struct dpu_merge_3d_sub_blks *sblk; +}; + /** * struct dpu_intf_cfg - information of timing engine blocks * @id enum identifying this block @@ -724,6 +738,9 @@ struct dpu_mdss_cfg { u32 pingpong_count; const struct dpu_pingpong_cfg *pingpong;
+ u32 merge_3d_count; + const struct dpu_merge_3d_cfg *merge_3d; + u32 intf_count; const struct dpu_intf_cfg *intf;
@@ -767,6 +784,7 @@ struct dpu_mdss_hw_cfg_handler { #define BLK_INTF(s) ((s)->intf) #define BLK_AD(s) ((s)->ad) #define BLK_DSPP(s) ((s)->dspp) +#define BLK_MERGE3d(s) ((s)->merge_3d)
/** * dpu_hw_catalog_init - dpu hardware catalog init API retrieves 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 979fd2c60aa0..09a3fb3e89f5 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_mdss.h @@ -96,6 +96,7 @@ enum dpu_hw_blk_type { DPU_HW_BLK_INTF, DPU_HW_BLK_WB, DPU_HW_BLK_DSPP, + DPU_HW_BLK_MERGE_3D, DPU_HW_BLK_MAX, };
@@ -186,6 +187,13 @@ enum dpu_pingpong { PINGPONG_MAX };
+enum dpu_merge_3d { + MERGE_3D_0 = 1, + MERGE_3D_1, + MERGE_3D_2, + MERGE_3D_MAX +}; + enum dpu_intf { INTF_0 = 1, INTF_1, diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.c new file mode 100644 index 000000000000..5c7ad19feea3 --- /dev/null +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.c @@ -0,0 +1,73 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. + */ + +#include <linux/iopoll.h> + +#include "dpu_hw_mdss.h" +#include "dpu_hwio.h" +#include "dpu_hw_catalog.h" +#include "dpu_hw_merge3d.h" +#include "dpu_kms.h" +#include "dpu_trace.h" + +static const struct dpu_merge_3d_cfg *_merge_3d_offset(enum dpu_merge_3d idx, + const struct dpu_mdss_cfg *m, + void __iomem *addr, + struct dpu_hw_blk_reg_map *b) +{ + int i; + + for (i = 0; i < m->merge_3d_count; i++) { + if (idx == m->merge_3d[i].id) { + b->base_off = addr; + b->blk_off = m->merge_3d[i].base; + b->length = m->merge_3d[i].len; + b->hwversion = m->hwversion; + b->log_mask = DPU_DBG_MASK_PINGPONG; + return &m->merge_3d[i]; + } + } + + return ERR_PTR(-EINVAL); +} + +static void _setup_merge_3d_ops(struct dpu_hw_merge_3d *c, + unsigned long features) +{ +}; + +static struct dpu_hw_blk_ops dpu_hw_ops; + +struct dpu_hw_merge_3d *dpu_hw_merge_3d_init(enum dpu_merge_3d idx, + void __iomem *addr, + const struct dpu_mdss_cfg *m) +{ + struct dpu_hw_merge_3d *c; + const struct dpu_merge_3d_cfg *cfg; + + c = kzalloc(sizeof(*c), GFP_KERNEL); + if (!c) + return ERR_PTR(-ENOMEM); + + cfg = _merge_3d_offset(idx, m, addr, &c->hw); + if (IS_ERR_OR_NULL(cfg)) { + kfree(c); + return ERR_PTR(-EINVAL); + } + + c->idx = idx; + c->caps = cfg; + _setup_merge_3d_ops(c, c->caps->features); + + dpu_hw_blk_init(&c->base, DPU_HW_BLK_MERGE_3D, idx, &dpu_hw_ops); + + return c; +} + +void dpu_hw_merge_3d_destroy(struct dpu_hw_merge_3d *hw) +{ + if (hw) + dpu_hw_blk_destroy(&hw->base); + kfree(hw); +} diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.h new file mode 100644 index 000000000000..aaad7c90cfb0 --- /dev/null +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.h @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. + */ + +#ifndef _DPU_HW_MERGE3D_H +#define _DPU_HW_MERGE3D_H + +#include "dpu_hw_catalog.h" +#include "dpu_hw_mdss.h" +#include "dpu_hw_util.h" +#include "dpu_hw_blk.h" + +struct dpu_hw_merge_3d; + +/** + * + * struct dpu_hw_merge_3d_ops : Interface to the merge_3d Hw driver functions + * Assumption is these functions will be called after clocks are enabled + */ +struct dpu_hw_merge_3d_ops { +}; + +struct dpu_hw_merge_3d { + struct dpu_hw_blk base; + struct dpu_hw_blk_reg_map hw; + + /* merge_3d */ + enum dpu_merge_3d idx; + const struct dpu_merge_3d_cfg *caps; + + /* ops */ + struct dpu_hw_merge_3d_ops ops; +}; + +/** + * to_dpu_hw_merge_3d - 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_merge_3d *to_dpu_hw_merge_3d(struct dpu_hw_blk *hw) +{ + return container_of(hw, struct dpu_hw_merge_3d, base); +} + +/** + * dpu_hw_merge_3d_init - initializes the merge_3d driver for the passed + * merge_3d idx. + * @idx: Pingpong index for which driver object is required + * @addr: Mapped register io address of MDP + * @m: Pointer to mdss catalog data + * Returns: Error code or allocated dpu_hw_merge_3d context + */ +struct dpu_hw_merge_3d *dpu_hw_merge_3d_init(enum dpu_merge_3d idx, + void __iomem *addr, + const struct dpu_mdss_cfg *m); + +/** + * dpu_hw_merge_3d_destroy - destroys merge_3d driver context + * should be called to free the context + * @pp: Pointer to PP driver context returned by dpu_hw_merge_3d_init + */ +void dpu_hw_merge_3d_destroy(struct dpu_hw_merge_3d *pp); + +#endif /*_DPU_HW_MERGE3D_H */ diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c index 9b2b5044e8e0..7ddc26f51d8e 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c @@ -10,6 +10,7 @@ #include "dpu_hw_pingpong.h" #include "dpu_hw_intf.h" #include "dpu_hw_dspp.h" +#include "dpu_hw_merge3d.h" #include "dpu_encoder.h" #include "dpu_trace.h"
@@ -42,6 +43,14 @@ int dpu_rm_destroy(struct dpu_rm *rm) dpu_hw_pingpong_destroy(hw); } } + for (i = 0; i < ARRAY_SIZE(rm->merge_3d_blks); i++) { + struct dpu_hw_merge_3d *hw; + + if (rm->merge_3d_blks[i]) { + hw = to_dpu_hw_merge_3d(rm->merge_3d_blks[i]); + dpu_hw_merge_3d_destroy(hw); + } + } for (i = 0; i < ARRAY_SIZE(rm->mixer_blks); i++) { struct dpu_hw_mixer *hw;
@@ -119,6 +128,24 @@ int dpu_rm_init(struct dpu_rm *rm, } }
+ for (i = 0; i < cat->merge_3d_count; i++) { + struct dpu_hw_merge_3d *hw; + const struct dpu_merge_3d_cfg *merge_3d = &cat->merge_3d[i]; + + if (merge_3d->id < MERGE_3D_0 || merge_3d->id >= MERGE_3D_MAX) { + DPU_ERROR("skip merge_3d %d with invalid id\n", merge_3d->id); + continue; + } + hw = dpu_hw_merge_3d_init(merge_3d->id, mmio, cat); + if (IS_ERR_OR_NULL(hw)) { + rc = PTR_ERR(hw); + DPU_ERROR("failed merge_3d object creation: err %d\n", + rc); + goto fail; + } + rm->merge_3d_blks[merge_3d->id - MERGE_3D_0] = &hw->base; + } + for (i = 0; i < cat->pingpong_count; i++) { struct dpu_hw_pingpong *hw; const struct dpu_pingpong_cfg *pp = &cat->pingpong[i]; diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h index 08726bb1063a..1f12c8d5b8aa 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.h @@ -29,6 +29,7 @@ struct dpu_rm { struct dpu_hw_blk *ctl_blks[CTL_MAX - CTL_0]; 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];
uint32_t lm_max_width; };