drmmode_display.h revision 35d5b7c7 
1/*
2 * Copyright © 2007 Red Hat, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 * Authors:
24 *     Dave Airlie <airlied@redhat.com>
25 *
26 */
27#ifndef DRMMODE_DISPLAY_H
28#define DRMMODE_DISPLAY_H
29
30#include "xf86drmMode.h"
31#ifdef HAVE_LIBUDEV
32#include "libudev.h"
33#endif
34
35#include "amdgpu_drm_queue.h"
36#include "amdgpu_probe.h"
37#include "amdgpu.h"
38
39/*
40 * Enum of non-legacy color management properties, according to DRM. Note that
41 * the values should be incremental (with the exception of the INVALID member),
42 * as defined by C99. The ordering also matters. Some logics (such as iterators
43 * and bitmasks) depend on these facts.
44 */
45enum drmmode_cm_prop {
46	CM_DEGAMMA_LUT,
47	CM_CTM,
48	CM_GAMMA_LUT,
49	CM_DEGAMMA_LUT_SIZE,
50	CM_GAMMA_LUT_SIZE,
51	CM_NUM_PROPS,
52	CM_INVALID_PROP = -1,
53};
54
55typedef struct {
56	ScrnInfoPtr scrn;
57#ifdef HAVE_LIBUDEV
58	struct udev_monitor *uevent_monitor;
59	InputHandlerProc uevent_handler;
60#endif
61	drmEventContext event_context;
62	int count_crtcs;
63
64	Bool delete_dp_12_displays;
65
66	Bool dri2_flipping;
67	Bool present_flipping;
68
69	/* Cache for DRM property type IDs for CRTC color management */
70	uint32_t cm_prop_ids[CM_NUM_PROPS];
71	/* Lookup table sizes */
72	uint32_t degamma_lut_size;
73	uint32_t gamma_lut_size;
74} drmmode_rec, *drmmode_ptr;
75
76typedef struct {
77	void *event_data;
78	int flip_count;
79	unsigned int fe_frame;
80	uint64_t fe_usec;
81	xf86CrtcPtr fe_crtc;
82	amdgpu_drm_handler_proc handler;
83	amdgpu_drm_abort_proc abort;
84	struct drmmode_fb *fb[0];
85} drmmode_flipdata_rec, *drmmode_flipdata_ptr;
86
87struct drmmode_fb {
88	int refcnt;
89	uint32_t handle;
90};
91
92struct drmmode_scanout {
93	struct amdgpu_buffer *bo;
94	PixmapPtr pixmap;
95	int width, height;
96};
97
98typedef struct {
99	drmmode_ptr drmmode;
100	drmModeCrtcPtr mode_crtc;
101	int hw_id;
102	struct amdgpu_buffer *cursor_buffer;
103	struct drmmode_scanout rotate;
104	struct drmmode_scanout scanout[2];
105	DamagePtr scanout_damage;
106	Bool ignore_damage;
107	RegionRec scanout_last_region;
108	unsigned scanout_id;
109	uintptr_t scanout_update_pending;
110	Bool tear_free;
111
112	PixmapPtr prime_scanout_pixmap;
113
114	int dpms_mode;
115	CARD64 dpms_last_ust;
116	uint32_t dpms_last_seq;
117	int dpms_last_fps;
118	uint32_t interpolated_vblanks;
119
120	/* Modeset needed for DPMS on */
121	Bool need_modeset;
122	/* For keeping track of nested calls to drm_wait_pending_flip /
123	 * drm_queue_handle_deferred
124	 */
125	int wait_flip_nesting_level;
126	/* A flip to this FB is pending for this CRTC */
127	struct drmmode_fb *flip_pending;
128	/* The FB currently being scanned out by this CRTC, if any */
129	struct drmmode_fb *fb;
130
131	struct drm_color_lut *degamma_lut;
132	struct drm_color_ctm *ctm;
133	struct drm_color_lut *gamma_lut;
134} drmmode_crtc_private_rec, *drmmode_crtc_private_ptr;
135
136typedef struct {
137	drmModePropertyPtr mode_prop;
138	uint64_t value;
139	int num_atoms;		/* if range prop, num_atoms == 1; if enum prop, num_atoms == num_enums + 1 */
140	Atom *atoms;
141} drmmode_prop_rec, *drmmode_prop_ptr;
142
143typedef struct {
144	drmmode_ptr drmmode;
145	int output_id;
146	drmModeConnectorPtr mode_output;
147	drmModeEncoderPtr *mode_encoders;
148	drmModePropertyBlobPtr edid_blob;
149	int dpms_enum_id;
150	int num_props;
151	drmmode_prop_ptr props;
152	int enc_mask;
153	int enc_clone_mask;
154	int tear_free;
155} drmmode_output_private_rec, *drmmode_output_private_ptr;
156
157typedef struct {
158	uint32_t lessee_id;
159} drmmode_lease_private_rec, *drmmode_lease_private_ptr;
160
161
162enum drmmode_flip_sync {
163    FLIP_VSYNC,
164    FLIP_ASYNC,
165};
166
167
168/* Can the page flip ioctl be used for this CRTC? */
169static inline Bool
170drmmode_crtc_can_flip(xf86CrtcPtr crtc)
171{
172	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
173
174	return crtc->enabled &&
175		drmmode_crtc->dpms_mode == DPMSModeOn &&
176		!drmmode_crtc->rotate.bo &&
177		(drmmode_crtc->tear_free ||
178		 !drmmode_crtc->scanout[drmmode_crtc->scanout_id].bo);
179}
180
181
182static inline void
183drmmode_fb_reference_loc(int drm_fd, struct drmmode_fb **old, struct drmmode_fb *new,
184			 const char *caller, unsigned line)
185{
186	if (new) {
187		if (new->refcnt <= 0) {
188			FatalError("New FB's refcnt was %d at %s:%u",
189				   new->refcnt, caller, line);
190		}
191
192		new->refcnt++;
193	}
194
195	if (*old) {
196		if ((*old)->refcnt <= 0) {
197			FatalError("Old FB's refcnt was %d at %s:%u",
198				   (*old)->refcnt, caller, line);
199		}
200
201		if (--(*old)->refcnt == 0) {
202			drmModeRmFB(drm_fd, (*old)->handle);
203			free(*old);
204		}
205	}
206
207	*old = new;
208}
209
210#define drmmode_fb_reference(fd, old, new) \
211	drmmode_fb_reference_loc(fd, old, new, __func__, __LINE__)
212
213
214extern int drmmode_page_flip_target_absolute(AMDGPUEntPtr pAMDGPUEnt,
215					     drmmode_crtc_private_ptr drmmode_crtc,
216					     int fb_id, uint32_t flags,
217					     uintptr_t drm_queue_seq,
218					     uint32_t target_msc);
219extern int drmmode_page_flip_target_relative(AMDGPUEntPtr pAMDGPUEnt,
220					     drmmode_crtc_private_ptr drmmode_crtc,
221					     int fb_id, uint32_t flags,
222					     uintptr_t drm_queue_seq,
223					     uint32_t target_msc);
224extern Bool drmmode_pre_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int cpp);
225extern void drmmode_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
226extern void drmmode_fini(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
227extern void drmmode_set_cursor(ScrnInfoPtr scrn, drmmode_ptr drmmode, int id,
228			       struct amdgpu_buffer *bo);
229void drmmode_adjust_frame(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int x, int y);
230extern Bool drmmode_set_desired_modes(ScrnInfoPtr pScrn, drmmode_ptr drmmode,
231				      Bool set_hw);
232extern void drmmode_copy_fb(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
233extern Bool drmmode_setup_colormap(ScreenPtr pScreen, ScrnInfoPtr pScrn);
234
235extern void drmmode_crtc_scanout_destroy(drmmode_ptr drmmode,
236					 struct drmmode_scanout *scanout);
237void drmmode_crtc_scanout_free(drmmode_crtc_private_ptr drmmode_crtc);
238PixmapPtr drmmode_crtc_scanout_create(xf86CrtcPtr crtc,
239				      struct drmmode_scanout *scanout,
240				      int width, int height);
241
242extern void drmmode_uevent_init(ScrnInfoPtr scrn, drmmode_ptr drmmode);
243extern void drmmode_uevent_fini(ScrnInfoPtr scrn, drmmode_ptr drmmode);
244
245Bool drmmode_set_mode(xf86CrtcPtr crtc, struct drmmode_fb *fb,
246		      DisplayModePtr mode, int x, int y);
247
248extern int drmmode_get_crtc_id(xf86CrtcPtr crtc);
249extern int drmmode_get_pitch_align(ScrnInfoPtr scrn, int bpe);
250Bool amdgpu_do_pageflip(ScrnInfoPtr scrn, ClientPtr client,
251			PixmapPtr new_front, uint64_t id, void *data,
252			xf86CrtcPtr ref_crtc, amdgpu_drm_handler_proc handler,
253			amdgpu_drm_abort_proc abort,
254			enum drmmode_flip_sync flip_sync,
255			uint32_t target_msc);
256int drmmode_crtc_get_ust_msc(xf86CrtcPtr crtc, CARD64 *ust, CARD64 *msc);
257int drmmode_get_current_ust(int drm_fd, CARD64 * ust);
258
259Bool drmmode_wait_vblank(xf86CrtcPtr crtc, drmVBlankSeqType type,
260			 uint32_t target_seq, unsigned long signal,
261			 uint64_t *ust, uint32_t *result_seq);
262
263
264miPointerSpriteFuncRec drmmode_sprite_funcs;
265
266
267#endif
268