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openbsd-xenocara/driver/xf86-video-amdgpu/src/drmmode_display.h

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/*
* 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;
#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1, 17, 99, 901, 0)
drmModePropertyBlobPtr tile_blob;
#endif
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_enabled(drmmode_ptr drmmode)
{
return drmmode->cm_prop_ids[CM_GAMMA_LUT_SIZE] != 0;
}
/* 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
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