drmmode_display.h revision 90f2b693 
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
99struct drmmode_scanout {
100	struct amdgpu_buffer *bo;
101	PixmapPtr pixmap;
102	int width, height;
103};
104
105typedef struct {
106	drmmode_ptr drmmode;
107	drmModeCrtcPtr mode_crtc;
108	int hw_id;
109
110	CursorPtr cursor;
111	int cursor_x;
112	int cursor_y;
113	int cursor_xhot;
114	int cursor_yhot;
115	unsigned cursor_id;
116	struct amdgpu_buffer *cursor_buffer[2];
117
118	struct drmmode_scanout rotate;
119	struct drmmode_scanout scanout[2];
120	DamagePtr scanout_damage;
121	Bool ignore_damage;
122	RegionRec scanout_last_region;
123	unsigned scanout_id;
124	uintptr_t scanout_update_pending;
125	Bool tear_free;
126	enum drmmode_scanout_status scanout_status;
127	Bool vrr_enabled;
128
129	PixmapPtr prime_scanout_pixmap;
130
131	int dpms_mode;
132	CARD64 dpms_last_ust;
133	uint32_t dpms_last_seq;
134	int dpms_last_fps;
135	uint32_t interpolated_vblanks;
136
137	/* Modeset needed for DPMS on */
138	Bool need_modeset;
139	/* For keeping track of nested calls to drm_wait_pending_flip /
140	 * drm_queue_handle_deferred
141	 */
142	int wait_flip_nesting_level;
143	/* A flip to this FB is pending for this CRTC */
144	struct drmmode_fb *flip_pending;
145	/* The FB currently being scanned out by this CRTC, if any */
146	struct drmmode_fb *fb;
147
148	struct drm_color_lut *degamma_lut;
149	struct drm_color_ctm *ctm;
150	struct drm_color_lut *gamma_lut;
151} drmmode_crtc_private_rec, *drmmode_crtc_private_ptr;
152
153typedef struct {
154	drmModePropertyPtr mode_prop;
155	uint64_t value;
156	int num_atoms;		/* if range prop, num_atoms == 1; if enum prop, num_atoms == num_enums + 1 */
157	Atom *atoms;
158} drmmode_prop_rec, *drmmode_prop_ptr;
159
160typedef struct {
161	drmmode_ptr drmmode;
162	int output_id;
163	drmModeConnectorPtr mode_output;
164	drmModeEncoderPtr *mode_encoders;
165	drmModePropertyBlobPtr edid_blob;
166	int dpms_enum_id;
167	int num_props;
168	drmmode_prop_ptr props;
169	int enc_mask;
170	int enc_clone_mask;
171	int tear_free;
172} drmmode_output_private_rec, *drmmode_output_private_ptr;
173
174typedef struct {
175	uint32_t lessee_id;
176} drmmode_lease_private_rec, *drmmode_lease_private_ptr;
177
178
179enum drmmode_flip_sync {
180    FLIP_VSYNC,
181    FLIP_ASYNC,
182};
183
184
185/**
186 * Return TRUE if kernel supports non-legacy color management.
187 */
188static inline Bool
189drmmode_cm_enabled(drmmode_ptr drmmode)
190{
191	return drmmode->cm_prop_ids[CM_GAMMA_LUT_SIZE] != 0;
192}
193
194/* Can the page flip ioctl be used for this CRTC? */
195static inline Bool
196drmmode_crtc_can_flip(xf86CrtcPtr crtc)
197{
198	drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
199
200	return crtc->enabled &&
201		drmmode_crtc->dpms_mode == DPMSModeOn &&
202		!drmmode_crtc->rotate.bo &&
203		(drmmode_crtc->tear_free ||
204		 !drmmode_crtc->scanout[drmmode_crtc->scanout_id].bo);
205}
206
207
208static inline void
209drmmode_fb_reference_loc(int drm_fd, struct drmmode_fb **old, struct drmmode_fb *new,
210			 const char *caller, unsigned line)
211{
212	if (new) {
213		if (new->refcnt <= 0) {
214			FatalError("New FB's refcnt was %d at %s:%u",
215				   new->refcnt, caller, line);
216		}
217
218		new->refcnt++;
219	}
220
221	if (*old) {
222		if ((*old)->refcnt <= 0) {
223			FatalError("Old FB's refcnt was %d at %s:%u",
224				   (*old)->refcnt, caller, line);
225		}
226
227		if (--(*old)->refcnt == 0) {
228			drmModeRmFB(drm_fd, (*old)->handle);
229			free(*old);
230		}
231	}
232
233	*old = new;
234}
235
236#define drmmode_fb_reference(fd, old, new) \
237	drmmode_fb_reference_loc(fd, old, new, __func__, __LINE__)
238
239
240extern int drmmode_page_flip_target_absolute(AMDGPUEntPtr pAMDGPUEnt,
241					     drmmode_crtc_private_ptr drmmode_crtc,
242					     int fb_id, uint32_t flags,
243					     uintptr_t drm_queue_seq,
244					     uint32_t target_msc);
245extern int drmmode_page_flip_target_relative(AMDGPUEntPtr pAMDGPUEnt,
246					     drmmode_crtc_private_ptr drmmode_crtc,
247					     int fb_id, uint32_t flags,
248					     uintptr_t drm_queue_seq,
249					     uint32_t target_msc);
250extern Bool drmmode_pre_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int cpp);
251extern void drmmode_init(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
252extern void drmmode_fini(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
253void drmmode_adjust_frame(ScrnInfoPtr pScrn, drmmode_ptr drmmode, int x, int y);
254extern Bool drmmode_set_desired_modes(ScrnInfoPtr pScrn, drmmode_ptr drmmode,
255				      Bool set_hw);
256extern void drmmode_copy_fb(ScrnInfoPtr pScrn, drmmode_ptr drmmode);
257extern Bool drmmode_setup_colormap(ScreenPtr pScreen, ScrnInfoPtr pScrn);
258
259extern void drmmode_crtc_scanout_destroy(drmmode_ptr drmmode,
260					 struct drmmode_scanout *scanout);
261void drmmode_crtc_scanout_free(xf86CrtcPtr crtc);
262PixmapPtr drmmode_crtc_scanout_create(xf86CrtcPtr crtc,
263				      struct drmmode_scanout *scanout,
264				      int width, int height);
265
266extern void drmmode_uevent_init(ScrnInfoPtr scrn, drmmode_ptr drmmode);
267extern void drmmode_uevent_fini(ScrnInfoPtr scrn, drmmode_ptr drmmode);
268
269Bool drmmode_set_mode(xf86CrtcPtr crtc, struct drmmode_fb *fb,
270		      DisplayModePtr mode, int x, int y);
271
272extern int drmmode_get_crtc_id(xf86CrtcPtr crtc);
273extern int drmmode_get_pitch_align(ScrnInfoPtr scrn, int bpe);
274Bool amdgpu_do_pageflip(ScrnInfoPtr scrn, ClientPtr client,
275			PixmapPtr new_front, uint64_t id, void *data,
276			xf86CrtcPtr ref_crtc, amdgpu_drm_handler_proc handler,
277			amdgpu_drm_abort_proc abort,
278			enum drmmode_flip_sync flip_sync,
279			uint32_t target_msc);
280int drmmode_crtc_get_ust_msc(xf86CrtcPtr crtc, CARD64 *ust, CARD64 *msc);
281int drmmode_get_current_ust(int drm_fd, CARD64 * ust);
282void drmmode_crtc_set_vrr(xf86CrtcPtr crtc, Bool enabled);
283
284Bool drmmode_wait_vblank(xf86CrtcPtr crtc, drmVBlankSeqType type,
285			 uint32_t target_seq, unsigned long signal,
286			 uint64_t *ust, uint32_t *result_seq);
287
288
289miPointerSpriteFuncRec drmmode_sprite_funcs;
290
291
292#endif
293