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a106ed98af
Use devm_kzalloc to create HW block structure. This allows us to remove corresponding kfree and drop all dpu_hw_*_destroy() functions as well as dpu_rm_destroy(), which becomes empty afterwards. Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/570041/ Link: https://lore.kernel.org/r/20231201211845.1026967-7-dmitry.baryshkov@linaro.org
61 lines
1.3 KiB
C
61 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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*/
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#include <linux/iopoll.h>
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#include <drm/drm_managed.h>
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#include "dpu_hw_mdss.h"
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#include "dpu_hwio.h"
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#include "dpu_hw_catalog.h"
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#include "dpu_hw_merge3d.h"
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#include "dpu_kms.h"
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#include "dpu_trace.h"
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#define MERGE_3D_MUX 0x000
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#define MERGE_3D_MODE 0x004
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static void dpu_hw_merge_3d_setup_3d_mode(struct dpu_hw_merge_3d *merge_3d,
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enum dpu_3d_blend_mode mode_3d)
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{
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struct dpu_hw_blk_reg_map *c;
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u32 data;
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c = &merge_3d->hw;
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if (mode_3d == BLEND_3D_NONE) {
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DPU_REG_WRITE(c, MERGE_3D_MODE, 0);
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DPU_REG_WRITE(c, MERGE_3D_MUX, 0);
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} else {
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data = BIT(0) | ((mode_3d - 1) << 1);
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DPU_REG_WRITE(c, MERGE_3D_MODE, data);
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}
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}
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static void _setup_merge_3d_ops(struct dpu_hw_merge_3d *c,
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unsigned long features)
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{
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c->ops.setup_3d_mode = dpu_hw_merge_3d_setup_3d_mode;
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};
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struct dpu_hw_merge_3d *dpu_hw_merge_3d_init(struct drm_device *dev,
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const struct dpu_merge_3d_cfg *cfg,
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void __iomem *addr)
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{
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struct dpu_hw_merge_3d *c;
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c = drmm_kzalloc(dev, sizeof(*c), GFP_KERNEL);
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if (!c)
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return ERR_PTR(-ENOMEM);
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c->hw.blk_addr = addr + cfg->base;
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c->hw.log_mask = DPU_DBG_MASK_PINGPONG;
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c->idx = cfg->id;
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c->caps = cfg;
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_setup_merge_3d_ops(c, c->caps->features);
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return c;
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}
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