IABSD.fr/xenocara/driver/xf86-video-amdgpu/src/drmmode_display.h

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• Author : jsg
  Date : 2026-03-12 04:31:28
  Hash : bedc11b3
  Message : update to xf86-video-amdgpu 25.0.0 tested by matthieu and myself on multiple machines

• driver/xf86-video-amdgpu/src/drmmode_display.h

• /*
   * Copyright © 2007 Red Hat, Inc.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice (including the next
   * paragraph) shall be included in all copies or substantial portions of the
   * Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   *
   * Authors:
   *     Dave Airlie <airlied@redhat.com>
   *
   */
  #ifndef DRMMODE_DISPLAY_H
  #define DRMMODE_DISPLAY_H
  
  #include "xf86drmMode.h"
  #ifdef HAVE_LIBUDEV
  #include "libudev.h"
  #endif
  
  #include "amdgpu_drm_queue.h"
  #include "amdgpu_probe.h"
  #include "amdgpu.h"
  
  /*
   * Enum of non-legacy color management properties, according to DRM. Note that
   * the values should be incremental (with the exception of the INVALID member),
   * as defined by C99. The ordering also matters. Some logics (such as iterators
   * and bitmasks) depend on these facts.
   */
  enum drmmode_cm_prop {
  	CM_DEGAMMA_LUT,
  	CM_CTM,
  	CM_GAMMA_LUT,
  	CM_DEGAMMA_LUT_SIZE,
  	CM_GAMMA_LUT_SIZE,
  	CM_NUM_PROPS,
  	CM_INVALID_PROP = -1,
  };
  
  typedef struct {
  	int fd;
  	ScrnInfoPtr scrn;
  #ifdef HAVE_LIBUDEV
  	struct udev_monitor *uevent_monitor;
  	InputHandlerProc uevent_handler;
  #endif
  #ifdef __OpenBSD__
  	InputHandlerProc kevent_handler;
  #endif
  	drmEventContext event_context;
  	int count_crtcs;
  
  	Bool delete_dp_12_displays;
  
  	Bool dri2_flipping;
  	Bool present_flipping;
  	uint32_t vrr_prop_id;
  
  	/* Cache for DRM property type IDs for CRTC color management */
  	uint32_t cm_prop_ids[CM_NUM_PROPS];
  	/* Lookup table sizes */
  	uint32_t degamma_lut_size;
  	uint32_t gamma_lut_size;
  } drmmode_rec, *drmmode_ptr;
  
  typedef struct {
  	void *event_data;
  	int flip_count;
  	unsigned int fe_frame;
  	uint64_t fe_usec;
  	xf86CrtcPtr fe_crtc;
  	amdgpu_drm_handler_proc handler;
  	amdgpu_drm_abort_proc abort;
  	struct drmmode_fb *fb[0];
  } drmmode_flipdata_rec, *drmmode_flipdata_ptr;
  
  struct drmmode_fb {
  	int refcnt;
  	uint32_t handle;
  };
  
  enum drmmode_scanout_status {
  	DRMMODE_SCANOUT_OK,
  	DRMMODE_SCANOUT_FLIP_FAILED = 1u << 0,
  	DRMMODE_SCANOUT_VBLANK_FAILED = 1u << 1,
  };
  
  typedef struct {
  	drmmode_ptr drmmode;
  	drmModeCrtcPtr mode_crtc;
  	int hw_id;
  
  	CursorPtr cursor;
  	int cursor_x;
  	int cursor_y;
  	int cursor_xhot;
  	int cursor_yhot;
  	unsigned cursor_id;
  	struct amdgpu_buffer *cursor_buffer[2];
  
  	PixmapPtr rotate;
  	PixmapPtr scanout[2];
  	DamagePtr scanout_damage;
  	Bool ignore_damage;
  	RegionRec scanout_last_region;
  	unsigned scanout_id;
  	uintptr_t scanout_update_pending;
  	Bool tear_free;
  	enum drmmode_scanout_status scanout_status;
  	Bool vrr_enabled;
  
  	PixmapPtr prime_scanout_pixmap;
  
  	int dpms_mode;
  	CARD64 dpms_last_ust;
  	uint32_t dpms_last_seq;
  	int dpms_last_fps;
  	uint32_t interpolated_vblanks;
  
  	/* Modeset needed for DPMS on */
  	Bool need_modeset;
  	/* For keeping track of nested calls to drm_wait_pending_flip /
  	 * drm_queue_handle_deferred
  	 */
  	int wait_flip_nesting_level;
  	/* A flip to this FB is pending for this CRTC */
  	struct drmmode_fb *flip_pending;
  	/* The FB currently being scanned out by this CRTC, if any */
  	struct drmmode_fb *fb;
  
  	struct drm_color_lut *degamma_lut;
  	struct drm_color_ctm *ctm;
  	struct drm_color_lut *gamma_lut;
  } drmmode_crtc_private_rec, *drmmode_crtc_private_ptr;
  
  typedef struct {
  	drmModePropertyPtr mode_prop;
  	uint64_t value;
  	int num_atoms;		/* if range prop, num_atoms == 1; if enum prop, num_atoms == num_enums + 1 */
  	Atom *atoms;
  } drmmode_prop_rec, *drmmode_prop_ptr;
  
  typedef struct {
  	drmmode_ptr drmmode;
  	int output_id;
  	drmModeConnectorPtr mode_output;
  	drmModeEncoderPtr *mode_encoders;
  	drmModePropertyBlobPtr edid_blob;
  	drmModePropertyBlobPtr tile_blob;
  	int dpms_enum_id;
  	int num_props;
  	drmmode_prop_ptr props;
  	int enc_mask;
  	int enc_clone_mask;
  	int tear_free;
  } drmmode_output_private_rec, *drmmode_output_private_ptr;
  
  typedef struct {
  	uint32_t lessee_id;
  } drmmode_lease_private_rec, *drmmode_lease_private_ptr;
  
  
  enum drmmode_flip_sync {
      FLIP_VSYNC,
      FLIP_ASYNC,
  };
  
  
  /**
   * Return TRUE if kernel supports non-legacy color management.
   */
  static inline Bool
  drmmode_cm_prop_supported(drmmode_ptr drmmode, enum drmmode_cm_prop cm_prop_index)
  {
  	if (drmmode->cm_prop_ids[cm_prop_index] == 0)
  		return FALSE;
  	return TRUE;
  }
  
  /* Can the page flip ioctl be used for this CRTC? */
  static inline Bool
  drmmode_crtc_can_flip(xf86CrtcPtr crtc)
  {
  	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
  
  	return crtc->enabled &&
  		drmmode_crtc->dpms_mode == DPMSModeOn &&
  		!drmmode_crtc->rotate &&
  		(drmmode_crtc->tear_free ||
  		 !drmmode_crtc->scanout[drmmode_crtc->scanout_id]);
  }
  
  
  static inline void
  drmmode_fb_reference_loc(int drm_fd, struct drmmode_fb **old, struct drmmode_fb *new,
  			 const char *caller, unsigned line)
  {
  	if (new) {
  		if (new->refcnt <= 0) {
  			FatalError("New FB's refcnt was %d at %s:%u",
  				   new->refcnt, caller, line);
  		}
  
  		new->refcnt++;
  	}
  
  	if (*old) {
  		if ((*old)->refcnt <= 0) {
  			FatalError("Old FB's refcnt was %d at %s:%u",
  				   (*old)->refcnt, caller, line);
  		}
  
  		if (--(*old)->refcnt == 0) {
  			drmModeRmFB(drm_fd, (*old)->handle);
  			free(*old);
  		}
  	}
  
  	*old = new;
  }
  
  #define drmmode_fb_reference(fd, old, new) \
  	drmmode_fb_reference_loc(fd, old, new, __func__, __LINE__)
  
  
  static inline void
  drmmode_crtc_scanout_destroy(PixmapPtr *scanout)
  {
  	if (!*scanout)
  		return;
  
  	(*scanout)->drawable.pScreen->DestroyPixmap(*scanout);
  	(*scanout) = NULL;
  }
  
  
  extern int drmmode_page_flip_target_absolute(AMDGPUEntPtr pAMDGPUEnt,
  					     drmmode_crtc_private_ptr drmmode_crtc,
  					     int fb_id, uint32_t flags,
  					     uintptr_t drm_queue_seq,
  					     uint32_t target_msc);
  extern int drmmode_page_flip_target_relative(AMDGPUEntPtr pAMDGPUEnt,
  					     drmmode_crtc_private_ptr drmmode_crtc,
  					     int fb_id, uint32_t flags,
  					     uintptr_t drm_queue_seq,
  					     uint32_t target_msc);
  extern Bool drmmode_pre_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int cpp);
  extern void drmmode_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
  extern void drmmode_fini(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
  void drmmode_adjust_frame(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int x, int y);
  extern Bool drmmode_set_desired_modes(ScrnInfoPtr pScrn, drmmode_ptr drmmode,
  				      Bool set_hw);
  extern void drmmode_copy_fb(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
  extern Bool drmmode_setup_colormap(ScreenPtr pScreen, ScrnInfoPtr pScrn);
  
  void drmmode_crtc_scanout_free(xf86CrtcPtr crtc);
  
  extern void drmmode_uevent_init(ScrnInfoPtr scrn, drmmode_ptr drmmode);
  extern void drmmode_uevent_fini(ScrnInfoPtr scrn, drmmode_ptr drmmode);
  
  Bool drmmode_set_mode(xf86CrtcPtr crtc, struct drmmode_fb *fb,
  		      DisplayModePtr mode, int x, int y);
  
  extern int drmmode_get_crtc_id(xf86CrtcPtr crtc);
  extern int drmmode_get_pitch_align(ScrnInfoPtr scrn, int bpe);
  Bool amdgpu_do_pageflip(ScrnInfoPtr scrn, ClientPtr client,
  			PixmapPtr new_front, uint64_t id, void *data,
  			xf86CrtcPtr ref_crtc, amdgpu_drm_handler_proc handler,
  			amdgpu_drm_abort_proc abort,
  			enum drmmode_flip_sync flip_sync,
  			uint32_t target_msc);
  int drmmode_crtc_get_ust_msc(xf86CrtcPtr crtc, CARD64 *ust, CARD64 *msc);
  int drmmode_get_current_ust(int drm_fd, CARD64 * ust);
  void drmmode_crtc_set_vrr(xf86CrtcPtr crtc, Bool enabled);
  
  Bool drmmode_wait_vblank(xf86CrtcPtr crtc, drmVBlankSeqType type,
  			 uint32_t target_seq, unsigned long signal,
  			 uint64_t *ust, uint32_t *result_seq);
  
  
  extern miPointerSpriteFuncRec drmmode_sprite_funcs;
  
  
  #endif