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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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c936843f06
Other drivers are able to list crc sources when accessing /sys/kernel/debug/dri/.../crtc-0/crc/control Even though VKMS now supports only 'auto' mode, it is more consistent to have the list available to the userspace. Signed-off-by: Oleg Vasilev <oleg.vasilev@intel.com> Reviewed-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> Signed-off-by: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190613121802.2193-3-oleg.vasilev@intel.com
139 lines
3.5 KiB
C
139 lines
3.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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#ifndef _VKMS_DRV_H_
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#define _VKMS_DRV_H_
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#include <drm/drmP.h>
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#include <drm/drm.h>
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#include <drm/drm_gem.h>
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#include <drm/drm_encoder.h>
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#include <linux/hrtimer.h>
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#define XRES_MIN 20
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#define YRES_MIN 20
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#define XRES_DEF 1024
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#define YRES_DEF 768
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#define XRES_MAX 8192
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#define YRES_MAX 8192
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extern bool enable_cursor;
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struct vkms_crc_data {
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struct drm_framebuffer fb;
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struct drm_rect src, dst;
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unsigned int offset;
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unsigned int pitch;
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unsigned int cpp;
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};
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/**
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* vkms_plane_state - Driver specific plane state
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* @base: base plane state
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* @crc_data: data required for CRC computation
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*/
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struct vkms_plane_state {
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struct drm_plane_state base;
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struct vkms_crc_data *crc_data;
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};
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/**
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* vkms_crtc_state - Driver specific CRTC state
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* @base: base CRTC state
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* @crc_work: work struct to compute and add CRC entries
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* @n_frame_start: start frame number for computed CRC
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* @n_frame_end: end frame number for computed CRC
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*/
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struct vkms_crtc_state {
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struct drm_crtc_state base;
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struct work_struct crc_work;
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u64 frame_start;
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u64 frame_end;
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};
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struct vkms_output {
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struct drm_crtc crtc;
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struct drm_encoder encoder;
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struct drm_connector connector;
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struct hrtimer vblank_hrtimer;
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ktime_t period_ns;
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struct drm_pending_vblank_event *event;
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bool crc_enabled;
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/* ordered wq for crc_work */
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struct workqueue_struct *crc_workq;
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/* protects concurrent access to crc_data */
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spinlock_t lock;
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/* protects concurrent access to crtc_state */
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spinlock_t state_lock;
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};
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struct vkms_device {
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struct drm_device drm;
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struct platform_device *platform;
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struct vkms_output output;
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};
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struct vkms_gem_object {
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struct drm_gem_object gem;
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struct mutex pages_lock; /* Page lock used in page fault handler */
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struct page **pages;
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unsigned int vmap_count;
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void *vaddr;
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};
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#define drm_crtc_to_vkms_output(target) \
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container_of(target, struct vkms_output, crtc)
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#define drm_device_to_vkms_device(target) \
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container_of(target, struct vkms_device, drm)
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#define drm_gem_to_vkms_gem(target)\
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container_of(target, struct vkms_gem_object, gem)
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#define to_vkms_crtc_state(target)\
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container_of(target, struct vkms_crtc_state, base)
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#define to_vkms_plane_state(target)\
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container_of(target, struct vkms_plane_state, base)
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/* CRTC */
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int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
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struct drm_plane *primary, struct drm_plane *cursor);
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bool vkms_get_vblank_timestamp(struct drm_device *dev, unsigned int pipe,
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int *max_error, ktime_t *vblank_time,
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bool in_vblank_irq);
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int vkms_output_init(struct vkms_device *vkmsdev);
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struct drm_plane *vkms_plane_init(struct vkms_device *vkmsdev,
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enum drm_plane_type type);
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/* Gem stuff */
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struct drm_gem_object *vkms_gem_create(struct drm_device *dev,
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struct drm_file *file,
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u32 *handle,
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u64 size);
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vm_fault_t vkms_gem_fault(struct vm_fault *vmf);
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int vkms_dumb_create(struct drm_file *file, struct drm_device *dev,
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struct drm_mode_create_dumb *args);
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void vkms_gem_free_object(struct drm_gem_object *obj);
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int vkms_gem_vmap(struct drm_gem_object *obj);
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void vkms_gem_vunmap(struct drm_gem_object *obj);
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/* CRC Support */
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const char *const *vkms_get_crc_sources(struct drm_crtc *crtc,
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size_t *count);
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int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name);
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int vkms_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
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size_t *values_cnt);
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void vkms_crc_work_handle(struct work_struct *work);
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#endif /* _VKMS_DRV_H_ */
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