diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c | 72 |
1 files changed, 22 insertions, 50 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c index 8ab5ace34a2d..54b20faa0b69 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_dspp.c @@ -2,6 +2,8 @@ /* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. */ +#include <drm/drm_managed.h> + #include "dpu_hwio.h" #include "dpu_hw_catalog.h" #include "dpu_hw_lm.h" @@ -29,14 +31,14 @@ static void dpu_setup_dspp_pcc(struct dpu_hw_dspp *ctx, u32 base; if (!ctx) { - DRM_ERROR("invalid ctx %pK\n", ctx); + DRM_ERROR("invalid ctx %p\n", ctx); return; } base = ctx->cap->sblk->pcc.base; if (!base) { - DRM_ERROR("invalid ctx %pK pcc base 0x%x\n", ctx, base); + DRM_ERROR("invalid ctx %p pcc base 0x%x\n", ctx, base); return; } @@ -61,65 +63,35 @@ static void dpu_setup_dspp_pcc(struct dpu_hw_dspp *ctx, DPU_REG_WRITE(&ctx->hw, base, PCC_EN); } -static void _setup_dspp_ops(struct dpu_hw_dspp *c, - unsigned long features) -{ - if (test_bit(DPU_DSPP_PCC, &features)) - c->ops.setup_pcc = dpu_setup_dspp_pcc; -} - -static const struct dpu_dspp_cfg *_dspp_offset(enum dpu_dspp dspp, - const struct dpu_mdss_cfg *m, - void __iomem *addr, - struct dpu_hw_blk_reg_map *b) -{ - int i; - - if (!m || !addr || !b) - return ERR_PTR(-EINVAL); - - for (i = 0; i < m->dspp_count; i++) { - if (dspp == m->dspp[i].id) { - b->blk_addr = addr + m->dspp[i].base; - b->log_mask = DPU_DBG_MASK_DSPP; - return &m->dspp[i]; - } - } - - return ERR_PTR(-EINVAL); -} - -struct dpu_hw_dspp *dpu_hw_dspp_init(enum dpu_dspp idx, - void __iomem *addr, - const struct dpu_mdss_cfg *m) +/** + * dpu_hw_dspp_init() - Initializes the DSPP hw driver object. + * should be called once before accessing every DSPP. + * @dev: Corresponding device for devres management + * @cfg: DSPP catalog entry for which driver object is required + * @addr: Mapped register io address of MDP + * Return: pointer to structure or ERR_PTR + */ +struct dpu_hw_dspp *dpu_hw_dspp_init(struct drm_device *dev, + const struct dpu_dspp_cfg *cfg, + void __iomem *addr) { struct dpu_hw_dspp *c; - const struct dpu_dspp_cfg *cfg; - if (!addr || !m) + if (!addr) return ERR_PTR(-EINVAL); - c = kzalloc(sizeof(*c), GFP_KERNEL); + c = drmm_kzalloc(dev, sizeof(*c), GFP_KERNEL); if (!c) return ERR_PTR(-ENOMEM); - cfg = _dspp_offset(idx, m, addr, &c->hw); - if (IS_ERR_OR_NULL(cfg)) { - kfree(c); - return ERR_PTR(-EINVAL); - } + c->hw.blk_addr = addr + cfg->base; + c->hw.log_mask = DPU_DBG_MASK_DSPP; /* Assign ops */ - c->idx = idx; + c->idx = cfg->id; c->cap = cfg; - _setup_dspp_ops(c, c->cap->features); + if (c->cap->sblk->pcc.base) + c->ops.setup_pcc = dpu_setup_dspp_pcc; return c; } - -void dpu_hw_dspp_destroy(struct dpu_hw_dspp *dspp) -{ - kfree(dspp); -} - - |
