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323e9a18d6
Use devm_kzalloc to create pipe data structure. This allows us to remove corresponding kfree and drop mdp5_pipe_destroy() function. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Patchwork: https://patchwork.freedesktop.org/patch/546171/ Link: https://lore.kernel.org/r/20230708010407.3871346-6-dmitry.baryshkov@linaro.org
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2016 Red Hat
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* Author: Rob Clark <robdclark@gmail.com>
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*/
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#ifndef __MDP5_PIPE_H__
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#define __MDP5_PIPE_H__
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/* TODO: Add SSPP_MAX in mdp5.xml.h */
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#define SSPP_MAX (SSPP_CURSOR1 + 1)
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/* represents a hw pipe, which is dynamically assigned to a plane */
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struct mdp5_hw_pipe {
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int idx;
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const char *name;
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enum mdp5_pipe pipe;
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uint32_t reg_offset;
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uint32_t caps;
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uint32_t flush_mask; /* used to commit pipe registers */
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/* number of smp blocks per plane, ie:
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* nblks_y | (nblks_u << 8) | (nblks_v << 16)
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*/
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uint32_t blkcfg;
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};
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/* global atomic state of assignment between pipes and planes: */
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struct mdp5_hw_pipe_state {
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struct drm_plane *hwpipe_to_plane[SSPP_MAX];
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};
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int mdp5_pipe_assign(struct drm_atomic_state *s, struct drm_plane *plane,
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uint32_t caps, uint32_t blkcfg,
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struct mdp5_hw_pipe **hwpipe,
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struct mdp5_hw_pipe **r_hwpipe);
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int mdp5_pipe_release(struct drm_atomic_state *s, struct mdp5_hw_pipe *hwpipe);
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struct mdp5_hw_pipe *mdp5_pipe_init(struct drm_device *dev,
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enum mdp5_pipe pipe,
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uint32_t reg_offset, uint32_t caps);
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#endif /* __MDP5_PIPE_H__ */
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