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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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070955558e
This driver requires imported PRIME buffers to appear contiguously in its IO address space. Make sure this is the case by setting the maximum DMA segment size to a more suitable value than the default 64KB. Signed-off-by: Alexandre Courbot <acourbot@chromium.org> Reviewed-by: Tomasz Figa <tfiga@chromium.org> Signed-off-by: CK Hu <ck.hu@mediatek.com>
66 lines
1.5 KiB
C
66 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015 MediaTek Inc.
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*/
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#ifndef MTK_DRM_DRV_H
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#define MTK_DRM_DRV_H
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#include <linux/io.h>
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#include "mtk_drm_ddp_comp.h"
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#define MAX_CRTC 3
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#define MAX_CONNECTOR 2
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struct device;
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struct device_node;
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struct drm_crtc;
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struct drm_device;
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struct drm_fb_helper;
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struct drm_property;
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struct regmap;
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struct mtk_mmsys_driver_data {
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const enum mtk_ddp_comp_id *main_path;
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unsigned int main_len;
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const enum mtk_ddp_comp_id *ext_path;
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unsigned int ext_len;
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const enum mtk_ddp_comp_id *third_path;
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unsigned int third_len;
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bool shadow_register;
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};
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struct mtk_drm_private {
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struct drm_device *drm;
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struct device *dma_dev;
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unsigned int num_pipes;
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struct device_node *mutex_node;
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struct device *mutex_dev;
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void __iomem *config_regs;
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struct device_node *comp_node[DDP_COMPONENT_ID_MAX];
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struct mtk_ddp_comp *ddp_comp[DDP_COMPONENT_ID_MAX];
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const struct mtk_mmsys_driver_data *data;
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struct {
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struct drm_atomic_state *state;
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struct work_struct work;
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struct mutex lock;
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} commit;
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struct drm_atomic_state *suspend_state;
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bool dma_parms_allocated;
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};
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extern struct platform_driver mtk_ddp_driver;
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extern struct platform_driver mtk_disp_color_driver;
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extern struct platform_driver mtk_disp_ovl_driver;
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extern struct platform_driver mtk_disp_rdma_driver;
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extern struct platform_driver mtk_dpi_driver;
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extern struct platform_driver mtk_dsi_driver;
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extern struct platform_driver mtk_mipi_tx_driver;
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#endif /* MTK_DRM_DRV_H */
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