drmmode_display.h revision 1b7ce8ce 
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	uint32_t vrr_prop_id;
69
70	/* Cache for DRM property type IDs for CRTC color management */
71	uint32_t cm_prop_ids[CM_NUM_PROPS];
72	/* Lookup table sizes */
73	uint32_t degamma_lut_size;
74	uint32_t gamma_lut_size;
75} drmmode_rec, *drmmode_ptr;
76
77typedef struct {
78	void *event_data;
79	int flip_count;
80	unsigned int fe_frame;
81	uint64_t fe_usec;
82	xf86CrtcPtr fe_crtc;
83	amdgpu_drm_handler_proc handler;
84	amdgpu_drm_abort_proc abort;
85	struct drmmode_fb *fb[0];
86} drmmode_flipdata_rec, *drmmode_flipdata_ptr;
87
88struct drmmode_fb {
89	int refcnt;
90	uint32_t handle;
91};
92
93enum drmmode_scanout_status {
94	DRMMODE_SCANOUT_OK,
95	DRMMODE_SCANOUT_FLIP_FAILED = 1u << 0,
96	DRMMODE_SCANOUT_VBLANK_FAILED = 1u << 1,
97};
98
99typedef struct {
100	drmmode_ptr drmmode;
101	drmModeCrtcPtr mode_crtc;
102	int hw_id;
103
104	CursorPtr cursor;
105	int cursor_x;
106	int cursor_y;
107	int cursor_xhot;
108	int cursor_yhot;
109	unsigned cursor_id;
110	struct amdgpu_buffer *cursor_buffer[2];
111
112	PixmapPtr rotate;
113	PixmapPtr scanout[2];
114	DamagePtr scanout_damage;
115	Bool ignore_damage;
116	RegionRec scanout_last_region;
117	unsigned scanout_id;
118	uintptr_t scanout_update_pending;
119	Bool tear_free;
120	enum drmmode_scanout_status scanout_status;
121	Bool vrr_enabled;
122
123	PixmapPtr prime_scanout_pixmap;
124
125	int dpms_mode;
126	CARD64 dpms_last_ust;
127	uint32_t dpms_last_seq;
128	int dpms_last_fps;
129	uint32_t interpolated_vblanks;
130
131	/* Modeset needed for DPMS on */
132	Bool need_modeset;
133	/* For keeping track of nested calls to drm_wait_pending_flip /
134	 * drm_queue_handle_deferred
135	 */
136	int wait_flip_nesting_level;
137	/* A flip to this FB is pending for this CRTC */
138	struct drmmode_fb *flip_pending;
139	/* The FB currently being scanned out by this CRTC, if any */
140	struct drmmode_fb *fb;
141
142	struct drm_color_lut *degamma_lut;
143	struct drm_color_ctm *ctm;
144	struct drm_color_lut *gamma_lut;
145} drmmode_crtc_private_rec, *drmmode_crtc_private_ptr;
146
147typedef struct {
148	drmModePropertyPtr mode_prop;
149	uint64_t value;
150	int num_atoms;		/* if range prop, num_atoms == 1; if enum prop, num_atoms == num_enums + 1 */
151	Atom *atoms;
152} drmmode_prop_rec, *drmmode_prop_ptr;
153
154typedef struct {
155	drmmode_ptr drmmode;
156	int output_id;
157	drmModeConnectorPtr mode_output;
158	drmModeEncoderPtr *mode_encoders;
159	drmModePropertyBlobPtr edid_blob;
160#if XORG_VERSION_CURRENT >= XORG_VERSION_NUMERIC(1, 17, 99, 901, 0)
161	drmModePropertyBlobPtr tile_blob;
162#endif
163	int dpms_enum_id;
164	int num_props;
165	drmmode_prop_ptr props;
166	int enc_mask;
167	int enc_clone_mask;
168	int tear_free;
169} drmmode_output_private_rec, *drmmode_output_private_ptr;
170
171typedef struct {
172	uint32_t lessee_id;
173} drmmode_lease_private_rec, *drmmode_lease_private_ptr;
174
175
176enum drmmode_flip_sync {
177    FLIP_VSYNC,
178    FLIP_ASYNC,
179};
180
181
182/**
183 * Return TRUE if kernel supports non-legacy color management.
184 */
185static inline Bool
186drmmode_cm_enabled(drmmode_ptr drmmode)
187{
188	return drmmode->cm_prop_ids[CM_GAMMA_LUT_SIZE] != 0;
189}
190
191/* Can the page flip ioctl be used for this CRTC? */
192static inline Bool
193drmmode_crtc_can_flip(xf86CrtcPtr crtc)
194{
195	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
196
197	return crtc->enabled &&
198		drmmode_crtc->dpms_mode == DPMSModeOn &&
199		!drmmode_crtc->rotate &&
200		(drmmode_crtc->tear_free ||
201		 !drmmode_crtc->scanout[drmmode_crtc->scanout_id]);
202}
203
204
205static inline void
206drmmode_fb_reference_loc(int drm_fd, struct drmmode_fb **old, struct drmmode_fb *new,
207			 const char *caller, unsigned line)
208{
209	if (new) {
210		if (new->refcnt <= 0) {
211			FatalError("New FB's refcnt was %d at %s:%u",
212				   new->refcnt, caller, line);
213		}
214
215		new->refcnt++;
216	}
217
218	if (*old) {
219		if ((*old)->refcnt <= 0) {
220			FatalError("Old FB's refcnt was %d at %s:%u",
221				   (*old)->refcnt, caller, line);
222		}
223
224		if (--(*old)->refcnt == 0) {
225			drmModeRmFB(drm_fd, (*old)->handle);
226			free(*old);
227		}
228	}
229
230	*old = new;
231}
232
233#define drmmode_fb_reference(fd, old, new) \
234	drmmode_fb_reference_loc(fd, old, new, __func__, __LINE__)
235
236
237static inline void
238drmmode_crtc_scanout_destroy(PixmapPtr *scanout)
239{
240	if (!*scanout)
241		return;
242
243	(*scanout)->drawable.pScreen->DestroyPixmap(*scanout);
244	(*scanout) = NULL;
245}
246
247
248extern int drmmode_page_flip_target_absolute(AMDGPUEntPtr pAMDGPUEnt,
249					     drmmode_crtc_private_ptr drmmode_crtc,
250					     int fb_id, uint32_t flags,
251					     uintptr_t drm_queue_seq,
252					     uint32_t target_msc);
253extern int drmmode_page_flip_target_relative(AMDGPUEntPtr pAMDGPUEnt,
254					     drmmode_crtc_private_ptr drmmode_crtc,
255					     int fb_id, uint32_t flags,
256					     uintptr_t drm_queue_seq,
257					     uint32_t target_msc);
258extern Bool drmmode_pre_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int cpp);
259extern void drmmode_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
260extern void drmmode_fini(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
261void drmmode_adjust_frame(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int x, int y);
262extern Bool drmmode_set_desired_modes(ScrnInfoPtr pScrn, drmmode_ptr drmmode,
263				      Bool set_hw);
264extern void drmmode_copy_fb(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
265extern Bool drmmode_setup_colormap(ScreenPtr pScreen, ScrnInfoPtr pScrn);
266
267void drmmode_crtc_scanout_free(xf86CrtcPtr crtc);
268
269extern void drmmode_uevent_init(ScrnInfoPtr scrn, drmmode_ptr drmmode);
270extern void drmmode_uevent_fini(ScrnInfoPtr scrn, drmmode_ptr drmmode);
271
272Bool drmmode_set_mode(xf86CrtcPtr crtc, struct drmmode_fb *fb,
273		      DisplayModePtr mode, int x, int y);
274
275extern int drmmode_get_crtc_id(xf86CrtcPtr crtc);
276extern int drmmode_get_pitch_align(ScrnInfoPtr scrn, int bpe);
277Bool amdgpu_do_pageflip(ScrnInfoPtr scrn, ClientPtr client,
278			PixmapPtr new_front, uint64_t id, void *data,
279			xf86CrtcPtr ref_crtc, amdgpu_drm_handler_proc handler,
280			amdgpu_drm_abort_proc abort,
281			enum drmmode_flip_sync flip_sync,
282			uint32_t target_msc);
283int drmmode_crtc_get_ust_msc(xf86CrtcPtr crtc, CARD64 *ust, CARD64 *msc);
284int drmmode_get_current_ust(int drm_fd, CARD64 * ust);
285void drmmode_crtc_set_vrr(xf86CrtcPtr crtc, Bool enabled);
286
287Bool drmmode_wait_vblank(xf86CrtcPtr crtc, drmVBlankSeqType type,
288			 uint32_t target_seq, unsigned long signal,
289			 uint64_t *ust, uint32_t *result_seq);
290
291
292extern miPointerSpriteFuncRec drmmode_sprite_funcs;
293
294
295#endif
296