264 lines
		
	
	
		
			8.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			264 lines
		
	
	
		
			8.0 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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 * Copyright 2019 NVIDIA CORPORATION
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 * All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 *
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 * Author: Alan Hourihane <alanh@tungstengraphics.com>
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 * Additional contributors:
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 *   Aaron Plattner <aplattner@nvidia.com>
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 */
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#include <errno.h>
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#include <drm.h>
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#include <xf86drm.h>
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#include <xf86Crtc.h>
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#include <damage.h>
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#include <X11/extensions/dpmsconst.h>
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#include <shadow.h>
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#ifdef GLAMOR_HAS_GBM
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#define GLAMOR_FOR_XORG 1
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#include "glamor.h"
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#include <gbm.h>
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#endif
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#include "drmmode_display.h"
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#define MS_LOGLEVEL_DEBUG 4
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struct ms_vrr_priv {
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    Bool variable_refresh;
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};
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typedef enum {
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    OPTION_SW_CURSOR,
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    OPTION_DEVICE_PATH,
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    OPTION_SHADOW_FB,
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    OPTION_ACCEL_METHOD,
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    OPTION_PAGEFLIP,
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    OPTION_ZAPHOD_HEADS,
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    OPTION_DOUBLE_SHADOW,
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    OPTION_ATOMIC,
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    OPTION_VARIABLE_REFRESH,
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    OPTION_USE_GAMMA_LUT,
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    OPTION_ASYNC_FLIP_SECONDARIES,
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    OPTION_TEARFREE,
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} modesettingOpts;
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typedef struct
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{
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    int fd;
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    int fd_ref;
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    unsigned long fd_wakeup_registered; /* server generation for which fd has been registered for wakeup handling */
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    int fd_wakeup_ref;
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    unsigned int assigned_crtcs;
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} modesettingEntRec, *modesettingEntPtr;
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typedef void (*ms_drm_handler_proc)(uint64_t frame,
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                                    uint64_t usec,
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                                    void *data);
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typedef void (*ms_drm_abort_proc)(void *data);
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/**
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 * A tracked handler for an event that will hopefully be generated by
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 * the kernel, and what to do when it is encountered.
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 */
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struct ms_drm_queue {
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    struct xorg_list list;
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    xf86CrtcPtr crtc;
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    uint32_t seq;
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    uint64_t msc;
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    void *data;
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    ScrnInfoPtr scrn;
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    ms_drm_handler_proc handler;
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    ms_drm_abort_proc abort;
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    Bool kernel_queued;
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    Bool aborted;
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};
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typedef struct _modesettingRec {
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    int fd;
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    Bool fd_passed;
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    int Chipset;
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    EntityInfoPtr pEnt;
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    Bool noAccel;
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    CloseScreenProcPtr CloseScreen;
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    CreateWindowProcPtr CreateWindow;
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    unsigned int SaveGeneration;
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    ScreenBlockHandlerProcPtr BlockHandler;
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    miPointerSpriteFuncPtr SpriteFuncs;
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    void *driver;
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    drmmode_rec drmmode;
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    drmEventContext event_context;
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    /**
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     * Page flipping stuff.
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     *  @{
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     */
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    Bool atomic_modeset_capable;
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    Bool atomic_modeset;
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    Bool pending_modeset;
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    /** @} */
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    DamagePtr damage;
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    Bool dirty_enabled;
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    uint32_t min_cursor_width, min_cursor_height;
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    uint32_t max_cursor_width, max_cursor_height;
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    Bool has_queue_sequence;
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    Bool tried_queue_sequence;
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    Bool kms_has_modifiers;
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    /* VRR support */
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    Bool vrr_support;
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    WindowPtr flip_window;
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    Bool is_connector_vrr_capable;
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    uint32_t connector_prop_id;
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    /* shadow API */
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    struct {
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        Bool (*Setup)(ScreenPtr);
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        Bool (*Add)(ScreenPtr, PixmapPtr, ShadowUpdateProc, ShadowWindowProc,
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                    int, void *);
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        void (*Remove)(ScreenPtr, PixmapPtr);
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        void (*Update32to24)(ScreenPtr, shadowBufPtr);
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        void (*UpdatePacked)(ScreenPtr, shadowBufPtr);
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    } shadow;
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#ifdef GLAMOR_HAS_GBM
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    /* glamor API */
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    struct {
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        Bool (*back_pixmap_from_fd)(PixmapPtr, int, CARD16, CARD16, CARD16,
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                                    CARD8, CARD8);
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        void (*block_handler)(ScreenPtr);
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        void (*clear_pixmap)(PixmapPtr);
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        Bool (*egl_create_textured_pixmap)(PixmapPtr, int, int);
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        Bool (*egl_create_textured_pixmap_from_gbm_bo)(PixmapPtr,
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                                                       struct gbm_bo *,
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                                                       Bool);
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        void (*egl_exchange_buffers)(PixmapPtr, PixmapPtr);
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        struct gbm_device *(*egl_get_gbm_device)(ScreenPtr);
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        Bool (*egl_init)(ScrnInfoPtr, int);
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        void (*finish)(ScreenPtr);
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        struct gbm_bo *(*gbm_bo_from_pixmap)(ScreenPtr, PixmapPtr);
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        Bool (*init)(ScreenPtr, unsigned int);
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        int (*name_from_pixmap)(PixmapPtr, CARD16 *, CARD32 *);
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        void (*set_drawable_modifiers_func)(ScreenPtr,
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                                            GetDrawableModifiersFuncPtr);
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        int (*shareable_fd_from_pixmap)(ScreenPtr, PixmapPtr, CARD16 *,
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                                        CARD32 *);
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        Bool (*supports_pixmap_import_export)(ScreenPtr);
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        XF86VideoAdaptorPtr (*xv_init)(ScreenPtr, int);
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        const char *(*egl_get_driver_name)(ScreenPtr);
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    } glamor;
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#endif
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} modesettingRec, *modesettingPtr;
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#define glamor_finish(screen) ms->glamor.finish(screen)
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#define modesettingPTR(p) ((modesettingPtr)((p)->driverPrivate))
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modesettingEntPtr ms_ent_priv(ScrnInfoPtr scrn);
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uint32_t ms_drm_queue_alloc(xf86CrtcPtr crtc,
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                            void *data,
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                            ms_drm_handler_proc handler,
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                            ms_drm_abort_proc abort);
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typedef enum ms_queue_flag {
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    MS_QUEUE_ABSOLUTE = 0,
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    MS_QUEUE_RELATIVE = 1,
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    MS_QUEUE_NEXT_ON_MISS = 2
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} ms_queue_flag;
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Bool ms_queue_vblank(xf86CrtcPtr crtc, ms_queue_flag flags,
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                     uint64_t msc, uint64_t *msc_queued, uint32_t seq);
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void ms_drm_abort(ScrnInfoPtr scrn,
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                  Bool (*match)(void *data, void *match_data),
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                  void *match_data);
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void ms_drm_abort_seq(ScrnInfoPtr scrn, uint32_t seq);
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Bool ms_drm_queue_is_empty(void);
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Bool xf86_crtc_on(xf86CrtcPtr crtc);
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xf86CrtcPtr ms_dri2_crtc_covering_drawable(DrawablePtr pDraw);
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RRCrtcPtr   ms_randr_crtc_covering_drawable(DrawablePtr pDraw);
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int ms_get_crtc_ust_msc(xf86CrtcPtr crtc, CARD64 *ust, CARD64 *msc);
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uint64_t ms_kernel_msc_to_crtc_msc(xf86CrtcPtr crtc, uint64_t sequence, Bool is64bit);
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Bool ms_dri2_screen_init(ScreenPtr screen);
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void ms_dri2_close_screen(ScreenPtr screen);
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Bool ms_vblank_screen_init(ScreenPtr screen);
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void ms_vblank_close_screen(ScreenPtr screen);
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Bool ms_present_screen_init(ScreenPtr screen);
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#ifdef GLAMOR_HAS_GBM
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typedef void (*ms_pageflip_handler_proc)(modesettingPtr ms,
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                                         uint64_t frame,
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                                         uint64_t usec,
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                                         void *data);
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typedef void (*ms_pageflip_abort_proc)(modesettingPtr ms, void *data);
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Bool ms_do_pageflip(ScreenPtr screen,
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                    PixmapPtr new_front,
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                    void *event,
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                    xf86CrtcPtr ref_crtc,
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                    Bool async,
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                    ms_pageflip_handler_proc pageflip_handler,
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                    ms_pageflip_abort_proc pageflip_abort,
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                    const char *log_prefix);
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Bool
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ms_tearfree_dri_abort(xf86CrtcPtr crtc,
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                      Bool (*match)(void *data, void *match_data),
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                      void *match_data);
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void
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ms_tearfree_dri_abort_all(xf86CrtcPtr crtc);
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Bool ms_do_tearfree_flip(ScreenPtr screen, xf86CrtcPtr crtc);
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#endif
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int ms_flush_drm_events(ScreenPtr screen);
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void ms_drain_drm_events(ScreenPtr screen);
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Bool ms_window_has_variable_refresh(modesettingPtr ms, WindowPtr win);
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void ms_present_set_screen_vrr(ScrnInfoPtr scrn, Bool vrr_enabled);
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Bool ms_tearfree_is_active_on_crtc(xf86CrtcPtr crtc);
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