1dff96888SDirk Hohndel (VMware) // SPDX-License-Identifier: GPL-2.0 OR MIT
2fb1d9738SJakob Bornecrantz /**************************************************************************
3fb1d9738SJakob Bornecrantz *
46703e28fSZack Rusin * Copyright 2009-2023 VMware, Inc., Palo Alto, CA., USA
5fb1d9738SJakob Bornecrantz *
6fb1d9738SJakob Bornecrantz * Permission is hereby granted, free of charge, to any person obtaining a
7fb1d9738SJakob Bornecrantz * copy of this software and associated documentation files (the
8fb1d9738SJakob Bornecrantz * "Software"), to deal in the Software without restriction, including
9fb1d9738SJakob Bornecrantz * without limitation the rights to use, copy, modify, merge, publish,
10fb1d9738SJakob Bornecrantz * distribute, sub license, and/or sell copies of the Software, and to
11fb1d9738SJakob Bornecrantz * permit persons to whom the Software is furnished to do so, subject to
12fb1d9738SJakob Bornecrantz * the following conditions:
13fb1d9738SJakob Bornecrantz *
14fb1d9738SJakob Bornecrantz * The above copyright notice and this permission notice (including the
15fb1d9738SJakob Bornecrantz * next paragraph) shall be included in all copies or substantial portions
16fb1d9738SJakob Bornecrantz * of the Software.
17fb1d9738SJakob Bornecrantz *
18fb1d9738SJakob Bornecrantz * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19fb1d9738SJakob Bornecrantz * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20fb1d9738SJakob Bornecrantz * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21fb1d9738SJakob Bornecrantz * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22fb1d9738SJakob Bornecrantz * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23fb1d9738SJakob Bornecrantz * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24fb1d9738SJakob Bornecrantz * USE OR OTHER DEALINGS IN THE SOFTWARE.
25fb1d9738SJakob Bornecrantz *
26fb1d9738SJakob Bornecrantz **************************************************************************/
27fb1d9738SJakob Bornecrantz
286703e28fSZack Rusin #include "vmwgfx_bo.h"
296703e28fSZack Rusin #include "vmwgfx_kms.h"
306703e28fSZack Rusin
31d7721ca7SSinclair Yeh #include <drm/drm_atomic.h>
32d7721ca7SSinclair Yeh #include <drm/drm_atomic_helper.h>
33d5c1f011SSam Ravnborg #include <drm/drm_fourcc.h>
34fb1d9738SJakob Bornecrantz
357a1c2f6cSThomas Hellstrom
36fb1d9738SJakob Bornecrantz #define vmw_crtc_to_ldu(x) \
37fb1d9738SJakob Bornecrantz container_of(x, struct vmw_legacy_display_unit, base.crtc)
38fb1d9738SJakob Bornecrantz #define vmw_encoder_to_ldu(x) \
39fb1d9738SJakob Bornecrantz container_of(x, struct vmw_legacy_display_unit, base.encoder)
40fb1d9738SJakob Bornecrantz #define vmw_connector_to_ldu(x) \
41fb1d9738SJakob Bornecrantz container_of(x, struct vmw_legacy_display_unit, base.connector)
42fb1d9738SJakob Bornecrantz
43fb1d9738SJakob Bornecrantz struct vmw_legacy_display {
44fb1d9738SJakob Bornecrantz struct list_head active;
45fb1d9738SJakob Bornecrantz
46fb1d9738SJakob Bornecrantz unsigned num_active;
47d7e1958dSJakob Bornecrantz unsigned last_num_active;
48fb1d9738SJakob Bornecrantz
49fb1d9738SJakob Bornecrantz struct vmw_framebuffer *fb;
50fb1d9738SJakob Bornecrantz };
51fb1d9738SJakob Bornecrantz
5247c617bfSLee Jones /*
53fb1d9738SJakob Bornecrantz * Display unit using the legacy register interface.
54fb1d9738SJakob Bornecrantz */
55fb1d9738SJakob Bornecrantz struct vmw_legacy_display_unit {
56fb1d9738SJakob Bornecrantz struct vmw_display_unit base;
57fb1d9738SJakob Bornecrantz
58fb1d9738SJakob Bornecrantz struct list_head active;
59fb1d9738SJakob Bornecrantz };
60fb1d9738SJakob Bornecrantz
vmw_ldu_destroy(struct vmw_legacy_display_unit * ldu)61fb1d9738SJakob Bornecrantz static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu)
62fb1d9738SJakob Bornecrantz {
63fb1d9738SJakob Bornecrantz list_del_init(&ldu->active);
64c8261a96SSinclair Yeh vmw_du_cleanup(&ldu->base);
65fb1d9738SJakob Bornecrantz kfree(ldu);
66fb1d9738SJakob Bornecrantz }
67fb1d9738SJakob Bornecrantz
68fb1d9738SJakob Bornecrantz
69fb1d9738SJakob Bornecrantz /*
70fb1d9738SJakob Bornecrantz * Legacy Display Unit CRTC functions
71fb1d9738SJakob Bornecrantz */
72fb1d9738SJakob Bornecrantz
vmw_ldu_crtc_destroy(struct drm_crtc * crtc)73fb1d9738SJakob Bornecrantz static void vmw_ldu_crtc_destroy(struct drm_crtc *crtc)
74fb1d9738SJakob Bornecrantz {
75fb1d9738SJakob Bornecrantz vmw_ldu_destroy(vmw_crtc_to_ldu(crtc));
76fb1d9738SJakob Bornecrantz }
77fb1d9738SJakob Bornecrantz
vmw_ldu_commit_list(struct vmw_private * dev_priv)78fb1d9738SJakob Bornecrantz static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
79fb1d9738SJakob Bornecrantz {
80fb1d9738SJakob Bornecrantz struct vmw_legacy_display *lds = dev_priv->ldu_priv;
81fb1d9738SJakob Bornecrantz struct vmw_legacy_display_unit *entry;
82d7e1958dSJakob Bornecrantz struct drm_framebuffer *fb = NULL;
83d7e1958dSJakob Bornecrantz struct drm_crtc *crtc = NULL;
841d2c0c56SDan Carpenter int i;
85fb1d9738SJakob Bornecrantz
86d7e1958dSJakob Bornecrantz /* If there is no display topology the host just assumes
87d7e1958dSJakob Bornecrantz * that the guest will set the same layout as the host.
88d7e1958dSJakob Bornecrantz */
89d7e1958dSJakob Bornecrantz if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) {
90d7e1958dSJakob Bornecrantz int w = 0, h = 0;
91d7e1958dSJakob Bornecrantz list_for_each_entry(entry, &lds->active, active) {
92d7e1958dSJakob Bornecrantz crtc = &entry->base.crtc;
93d7e1958dSJakob Bornecrantz w = max(w, crtc->x + crtc->mode.hdisplay);
94d7e1958dSJakob Bornecrantz h = max(h, crtc->y + crtc->mode.vdisplay);
95d7e1958dSJakob Bornecrantz }
96d7e1958dSJakob Bornecrantz
97d7e1958dSJakob Bornecrantz if (crtc == NULL)
98d7e1958dSJakob Bornecrantz return 0;
991d2c0c56SDan Carpenter fb = crtc->primary->state->fb;
100d7e1958dSJakob Bornecrantz
10101f2c773SVille Syrjälä return vmw_kms_write_svga(dev_priv, w, h, fb->pitches[0],
102272725c7SVille Syrjälä fb->format->cpp[0] * 8,
103b00c600eSVille Syrjälä fb->format->depth);
104d7e1958dSJakob Bornecrantz }
105d7e1958dSJakob Bornecrantz
106d7e1958dSJakob Bornecrantz if (!list_empty(&lds->active)) {
107d7e1958dSJakob Bornecrantz entry = list_entry(lds->active.next, typeof(*entry), active);
108b0119cb9SSinclair Yeh fb = entry->base.crtc.primary->state->fb;
109d7e1958dSJakob Bornecrantz
11001f2c773SVille Syrjälä vmw_kms_write_svga(dev_priv, fb->width, fb->height, fb->pitches[0],
111272725c7SVille Syrjälä fb->format->cpp[0] * 8, fb->format->depth);
112d7e1958dSJakob Bornecrantz }
113d7e1958dSJakob Bornecrantz
114259600d5SJakob Bornecrantz /* Make sure we always show something. */
115259600d5SJakob Bornecrantz vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS,
116259600d5SJakob Bornecrantz lds->num_active ? lds->num_active : 1);
117259600d5SJakob Bornecrantz
118fb1d9738SJakob Bornecrantz i = 0;
119fb1d9738SJakob Bornecrantz list_for_each_entry(entry, &lds->active, active) {
120fb1d9738SJakob Bornecrantz crtc = &entry->base.crtc;
121fb1d9738SJakob Bornecrantz
122fb1d9738SJakob Bornecrantz vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i);
123fb1d9738SJakob Bornecrantz vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i);
124fb1d9738SJakob Bornecrantz vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, crtc->x);
125fb1d9738SJakob Bornecrantz vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, crtc->y);
126fb1d9738SJakob Bornecrantz vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, crtc->mode.hdisplay);
127fb1d9738SJakob Bornecrantz vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, crtc->mode.vdisplay);
128fb1d9738SJakob Bornecrantz
129fb1d9738SJakob Bornecrantz i++;
130fb1d9738SJakob Bornecrantz }
131fb1d9738SJakob Bornecrantz
132d7e1958dSJakob Bornecrantz BUG_ON(i != lds->num_active);
133d7e1958dSJakob Bornecrantz
134d7e1958dSJakob Bornecrantz lds->last_num_active = lds->num_active;
135d7e1958dSJakob Bornecrantz
136fb1d9738SJakob Bornecrantz return 0;
137fb1d9738SJakob Bornecrantz }
138fb1d9738SJakob Bornecrantz
1396703e28fSZack Rusin /*
1406703e28fSZack Rusin * Pin the buffer in a location suitable for access by the
1416703e28fSZack Rusin * display system.
1426703e28fSZack Rusin */
vmw_ldu_fb_pin(struct vmw_framebuffer * vfb)1436703e28fSZack Rusin static int vmw_ldu_fb_pin(struct vmw_framebuffer *vfb)
1446703e28fSZack Rusin {
1456703e28fSZack Rusin struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
1466703e28fSZack Rusin struct vmw_bo *buf;
1476703e28fSZack Rusin int ret;
1486703e28fSZack Rusin
1496703e28fSZack Rusin buf = vfb->bo ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
150668b2066SZack Rusin vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.guest_memory_bo;
1516703e28fSZack Rusin
1526703e28fSZack Rusin if (!buf)
1536703e28fSZack Rusin return 0;
1546703e28fSZack Rusin WARN_ON(dev_priv->active_display_unit != vmw_du_legacy);
1556703e28fSZack Rusin
1566703e28fSZack Rusin if (dev_priv->active_display_unit == vmw_du_legacy) {
1576703e28fSZack Rusin vmw_overlay_pause_all(dev_priv);
1586703e28fSZack Rusin ret = vmw_bo_pin_in_start_of_vram(dev_priv, buf, false);
1596703e28fSZack Rusin vmw_overlay_resume_all(dev_priv);
1606703e28fSZack Rusin } else
1616703e28fSZack Rusin ret = -EINVAL;
1626703e28fSZack Rusin
1636703e28fSZack Rusin return ret;
1646703e28fSZack Rusin }
1656703e28fSZack Rusin
vmw_ldu_fb_unpin(struct vmw_framebuffer * vfb)1666703e28fSZack Rusin static int vmw_ldu_fb_unpin(struct vmw_framebuffer *vfb)
1676703e28fSZack Rusin {
1686703e28fSZack Rusin struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
1696703e28fSZack Rusin struct vmw_bo *buf;
1706703e28fSZack Rusin
1716703e28fSZack Rusin buf = vfb->bo ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
172668b2066SZack Rusin vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.guest_memory_bo;
1736703e28fSZack Rusin
1746703e28fSZack Rusin if (WARN_ON(!buf))
1756703e28fSZack Rusin return 0;
1766703e28fSZack Rusin
1776703e28fSZack Rusin return vmw_bo_unpin(dev_priv, buf, false);
1786703e28fSZack Rusin }
1796703e28fSZack Rusin
vmw_ldu_del_active(struct vmw_private * vmw_priv,struct vmw_legacy_display_unit * ldu)180fb1d9738SJakob Bornecrantz static int vmw_ldu_del_active(struct vmw_private *vmw_priv,
181fb1d9738SJakob Bornecrantz struct vmw_legacy_display_unit *ldu)
182fb1d9738SJakob Bornecrantz {
183fb1d9738SJakob Bornecrantz struct vmw_legacy_display *ld = vmw_priv->ldu_priv;
184fb1d9738SJakob Bornecrantz if (list_empty(&ldu->active))
185fb1d9738SJakob Bornecrantz return 0;
186fb1d9738SJakob Bornecrantz
1876a591a96SJakob Bornecrantz /* Must init otherwise list_empty(&ldu->active) will not work. */
188fb1d9738SJakob Bornecrantz list_del_init(&ldu->active);
189fb1d9738SJakob Bornecrantz if (--(ld->num_active) == 0) {
190fb1d9738SJakob Bornecrantz BUG_ON(!ld->fb);
1916703e28fSZack Rusin WARN_ON(vmw_ldu_fb_unpin(ld->fb));
192fb1d9738SJakob Bornecrantz ld->fb = NULL;
193fb1d9738SJakob Bornecrantz }
194fb1d9738SJakob Bornecrantz
195fb1d9738SJakob Bornecrantz return 0;
196fb1d9738SJakob Bornecrantz }
197fb1d9738SJakob Bornecrantz
vmw_ldu_add_active(struct vmw_private * vmw_priv,struct vmw_legacy_display_unit * ldu,struct vmw_framebuffer * vfb)198fb1d9738SJakob Bornecrantz static int vmw_ldu_add_active(struct vmw_private *vmw_priv,
199fb1d9738SJakob Bornecrantz struct vmw_legacy_display_unit *ldu,
200fb1d9738SJakob Bornecrantz struct vmw_framebuffer *vfb)
201fb1d9738SJakob Bornecrantz {
202fb1d9738SJakob Bornecrantz struct vmw_legacy_display *ld = vmw_priv->ldu_priv;
203fb1d9738SJakob Bornecrantz struct vmw_legacy_display_unit *entry;
204fb1d9738SJakob Bornecrantz struct list_head *at;
205fb1d9738SJakob Bornecrantz
20604e9e94dSJakob Bornecrantz BUG_ON(!ld->num_active && ld->fb);
20704e9e94dSJakob Bornecrantz if (vfb != ld->fb) {
2086703e28fSZack Rusin if (ld->fb)
2096703e28fSZack Rusin WARN_ON(vmw_ldu_fb_unpin(ld->fb));
21006ec4190SSinclair Yeh vmw_svga_enable(vmw_priv);
2116703e28fSZack Rusin WARN_ON(vmw_ldu_fb_pin(vfb));
21204e9e94dSJakob Bornecrantz ld->fb = vfb;
21304e9e94dSJakob Bornecrantz }
21404e9e94dSJakob Bornecrantz
215fb1d9738SJakob Bornecrantz if (!list_empty(&ldu->active))
216fb1d9738SJakob Bornecrantz return 0;
217fb1d9738SJakob Bornecrantz
218fb1d9738SJakob Bornecrantz at = &ld->active;
219fb1d9738SJakob Bornecrantz list_for_each_entry(entry, &ld->active, active) {
220bbfad336SJakob Bornecrantz if (entry->base.unit > ldu->base.unit)
221fb1d9738SJakob Bornecrantz break;
222fb1d9738SJakob Bornecrantz
223fb1d9738SJakob Bornecrantz at = &entry->active;
224fb1d9738SJakob Bornecrantz }
225fb1d9738SJakob Bornecrantz
226fb1d9738SJakob Bornecrantz list_add(&ldu->active, at);
22704e9e94dSJakob Bornecrantz
22804e9e94dSJakob Bornecrantz ld->num_active++;
229fb1d9738SJakob Bornecrantz
230fb1d9738SJakob Bornecrantz return 0;
231fb1d9738SJakob Bornecrantz }
232fb1d9738SJakob Bornecrantz
23306ec4190SSinclair Yeh /**
23406ec4190SSinclair Yeh * vmw_ldu_crtc_mode_set_nofb - Enable svga
23506ec4190SSinclair Yeh *
23606ec4190SSinclair Yeh * @crtc: CRTC associated with the new screen
23706ec4190SSinclair Yeh *
23806ec4190SSinclair Yeh * For LDU, just enable the svga
23906ec4190SSinclair Yeh */
vmw_ldu_crtc_mode_set_nofb(struct drm_crtc * crtc)24006ec4190SSinclair Yeh static void vmw_ldu_crtc_mode_set_nofb(struct drm_crtc *crtc)
24106ec4190SSinclair Yeh {
24206ec4190SSinclair Yeh }
24306ec4190SSinclair Yeh
24406ec4190SSinclair Yeh /**
2450b20a0f8SLaurent Pinchart * vmw_ldu_crtc_atomic_enable - Noop
24606ec4190SSinclair Yeh *
24706ec4190SSinclair Yeh * @crtc: CRTC associated with the new screen
24847c617bfSLee Jones * @state: Unused
24906ec4190SSinclair Yeh *
25006ec4190SSinclair Yeh * This is called after a mode set has been completed. Here's
25106ec4190SSinclair Yeh * usually a good place to call vmw_ldu_add_active/vmw_ldu_del_active
25206ec4190SSinclair Yeh * but since for LDU the display plane is closely tied to the
25306ec4190SSinclair Yeh * CRTC, it makes more sense to do those at plane update time.
25406ec4190SSinclair Yeh */
vmw_ldu_crtc_atomic_enable(struct drm_crtc * crtc,struct drm_atomic_state * state)2550b20a0f8SLaurent Pinchart static void vmw_ldu_crtc_atomic_enable(struct drm_crtc *crtc,
256351f950dSMaxime Ripard struct drm_atomic_state *state)
25706ec4190SSinclair Yeh {
25806ec4190SSinclair Yeh }
25906ec4190SSinclair Yeh
26006ec4190SSinclair Yeh /**
26164581714SLaurent Pinchart * vmw_ldu_crtc_atomic_disable - Turns off CRTC
26206ec4190SSinclair Yeh *
26306ec4190SSinclair Yeh * @crtc: CRTC to be turned off
26447c617bfSLee Jones * @state: Unused
26506ec4190SSinclair Yeh */
vmw_ldu_crtc_atomic_disable(struct drm_crtc * crtc,struct drm_atomic_state * state)26664581714SLaurent Pinchart static void vmw_ldu_crtc_atomic_disable(struct drm_crtc *crtc,
267351f950dSMaxime Ripard struct drm_atomic_state *state)
26806ec4190SSinclair Yeh {
26906ec4190SSinclair Yeh }
27006ec4190SSinclair Yeh
271d7955fcfSVille Syrjälä static const struct drm_crtc_funcs vmw_legacy_crtc_funcs = {
272626ab771SJakob Bornecrantz .gamma_set = vmw_du_crtc_gamma_set,
273fb1d9738SJakob Bornecrantz .destroy = vmw_ldu_crtc_destroy,
2749c2542a4SSinclair Yeh .reset = vmw_du_crtc_reset,
2759c2542a4SSinclair Yeh .atomic_duplicate_state = vmw_du_crtc_duplicate_state,
2769c2542a4SSinclair Yeh .atomic_destroy_state = vmw_du_crtc_destroy_state,
277b4fa61baSDeepak Rawat .set_config = drm_atomic_helper_set_config,
278*a37a512dSMartin Krastev .page_flip = drm_atomic_helper_page_flip,
279fb1d9738SJakob Bornecrantz };
280fb1d9738SJakob Bornecrantz
281626ab771SJakob Bornecrantz
282fb1d9738SJakob Bornecrantz /*
283fb1d9738SJakob Bornecrantz * Legacy Display Unit encoder functions
284fb1d9738SJakob Bornecrantz */
285fb1d9738SJakob Bornecrantz
vmw_ldu_encoder_destroy(struct drm_encoder * encoder)286fb1d9738SJakob Bornecrantz static void vmw_ldu_encoder_destroy(struct drm_encoder *encoder)
287fb1d9738SJakob Bornecrantz {
288fb1d9738SJakob Bornecrantz vmw_ldu_destroy(vmw_encoder_to_ldu(encoder));
289fb1d9738SJakob Bornecrantz }
290fb1d9738SJakob Bornecrantz
291d7955fcfSVille Syrjälä static const struct drm_encoder_funcs vmw_legacy_encoder_funcs = {
292fb1d9738SJakob Bornecrantz .destroy = vmw_ldu_encoder_destroy,
293fb1d9738SJakob Bornecrantz };
294fb1d9738SJakob Bornecrantz
295fb1d9738SJakob Bornecrantz /*
296fb1d9738SJakob Bornecrantz * Legacy Display Unit connector functions
297fb1d9738SJakob Bornecrantz */
298fb1d9738SJakob Bornecrantz
vmw_ldu_connector_destroy(struct drm_connector * connector)299fb1d9738SJakob Bornecrantz static void vmw_ldu_connector_destroy(struct drm_connector *connector)
300fb1d9738SJakob Bornecrantz {
301fb1d9738SJakob Bornecrantz vmw_ldu_destroy(vmw_connector_to_ldu(connector));
302fb1d9738SJakob Bornecrantz }
303fb1d9738SJakob Bornecrantz
304d7955fcfSVille Syrjälä static const struct drm_connector_funcs vmw_legacy_connector_funcs = {
305626ab771SJakob Bornecrantz .dpms = vmw_du_connector_dpms,
306626ab771SJakob Bornecrantz .detect = vmw_du_connector_detect,
307626ab771SJakob Bornecrantz .fill_modes = vmw_du_connector_fill_modes,
308fb1d9738SJakob Bornecrantz .destroy = vmw_ldu_connector_destroy,
309d7721ca7SSinclair Yeh .reset = vmw_du_connector_reset,
3108a510a5cSRob Clark .atomic_duplicate_state = vmw_du_connector_duplicate_state,
3118a510a5cSRob Clark .atomic_destroy_state = vmw_du_connector_destroy_state,
312fb1d9738SJakob Bornecrantz };
313fb1d9738SJakob Bornecrantz
314d947d1b7SSinclair Yeh static const struct
315d947d1b7SSinclair Yeh drm_connector_helper_funcs vmw_ldu_connector_helper_funcs = {
316d947d1b7SSinclair Yeh };
317d947d1b7SSinclair Yeh
318*a37a512dSMartin Krastev static int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv,
319*a37a512dSMartin Krastev struct vmw_framebuffer *framebuffer,
320*a37a512dSMartin Krastev unsigned int flags, unsigned int color,
321*a37a512dSMartin Krastev struct drm_mode_rect *clips,
322*a37a512dSMartin Krastev unsigned int num_clips);
323*a37a512dSMartin Krastev
32436cc79bcSSinclair Yeh /*
32536cc79bcSSinclair Yeh * Legacy Display Plane Functions
32636cc79bcSSinclair Yeh */
32736cc79bcSSinclair Yeh
328060e2ad5SSinclair Yeh static void
vmw_ldu_primary_plane_atomic_update(struct drm_plane * plane,struct drm_atomic_state * state)329060e2ad5SSinclair Yeh vmw_ldu_primary_plane_atomic_update(struct drm_plane *plane,
330977697e2SMaxime Ripard struct drm_atomic_state *state)
331060e2ad5SSinclair Yeh {
332977697e2SMaxime Ripard struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
333977697e2SMaxime Ripard plane);
33437418bf1SMaxime Ripard struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
33537418bf1SMaxime Ripard plane);
336e9cebe83SSinclair Yeh struct vmw_private *dev_priv;
337e9cebe83SSinclair Yeh struct vmw_legacy_display_unit *ldu;
338e9cebe83SSinclair Yeh struct vmw_framebuffer *vfb;
339e9cebe83SSinclair Yeh struct drm_framebuffer *fb;
340e05162c0SMaxime Ripard struct drm_crtc *crtc = new_state->crtc ?: old_state->crtc;
341e9cebe83SSinclair Yeh
342e9cebe83SSinclair Yeh ldu = vmw_crtc_to_ldu(crtc);
343e9cebe83SSinclair Yeh dev_priv = vmw_priv(plane->dev);
344e05162c0SMaxime Ripard fb = new_state->fb;
345e9cebe83SSinclair Yeh
346e9cebe83SSinclair Yeh vfb = (fb) ? vmw_framebuffer_to_vfb(fb) : NULL;
347e9cebe83SSinclair Yeh
348e9cebe83SSinclair Yeh if (vfb)
349e9cebe83SSinclair Yeh vmw_ldu_add_active(dev_priv, ldu, vfb);
350e9cebe83SSinclair Yeh else
351e9cebe83SSinclair Yeh vmw_ldu_del_active(dev_priv, ldu);
352e9cebe83SSinclair Yeh
353e9cebe83SSinclair Yeh vmw_ldu_commit_list(dev_priv);
354*a37a512dSMartin Krastev
355*a37a512dSMartin Krastev if (vfb && vmw_cmd_supported(dev_priv)) {
356*a37a512dSMartin Krastev struct drm_mode_rect fb_rect = {
357*a37a512dSMartin Krastev .x1 = 0,
358*a37a512dSMartin Krastev .y1 = 0,
359*a37a512dSMartin Krastev .x2 = vfb->base.width,
360*a37a512dSMartin Krastev .y2 = vfb->base.height
361*a37a512dSMartin Krastev };
362*a37a512dSMartin Krastev struct drm_mode_rect *damage_rects = drm_plane_get_damage_clips(new_state);
363*a37a512dSMartin Krastev u32 rect_count = drm_plane_get_damage_clips_count(new_state);
364*a37a512dSMartin Krastev int ret;
365*a37a512dSMartin Krastev
366*a37a512dSMartin Krastev if (!damage_rects) {
367*a37a512dSMartin Krastev damage_rects = &fb_rect;
368*a37a512dSMartin Krastev rect_count = 1;
369060e2ad5SSinclair Yeh }
370060e2ad5SSinclair Yeh
371*a37a512dSMartin Krastev ret = vmw_kms_ldu_do_bo_dirty(dev_priv, vfb, 0, 0, damage_rects, rect_count);
372*a37a512dSMartin Krastev
373*a37a512dSMartin Krastev drm_WARN_ONCE(plane->dev, ret,
374*a37a512dSMartin Krastev "vmw_kms_ldu_do_bo_dirty failed with: ret=%d\n", ret);
375*a37a512dSMartin Krastev
376*a37a512dSMartin Krastev vmw_cmd_flush(dev_priv, false);
377*a37a512dSMartin Krastev }
378*a37a512dSMartin Krastev }
379060e2ad5SSinclair Yeh
38036cc79bcSSinclair Yeh static const struct drm_plane_funcs vmw_ldu_plane_funcs = {
381b0119cb9SSinclair Yeh .update_plane = drm_atomic_helper_update_plane,
382b0119cb9SSinclair Yeh .disable_plane = drm_atomic_helper_disable_plane,
38336cc79bcSSinclair Yeh .destroy = vmw_du_primary_plane_destroy,
384cc5ec459SSinclair Yeh .reset = vmw_du_plane_reset,
385cc5ec459SSinclair Yeh .atomic_duplicate_state = vmw_du_plane_duplicate_state,
386cc5ec459SSinclair Yeh .atomic_destroy_state = vmw_du_plane_destroy_state,
38736cc79bcSSinclair Yeh };
38836cc79bcSSinclair Yeh
38936cc79bcSSinclair Yeh static const struct drm_plane_funcs vmw_ldu_cursor_funcs = {
390b0119cb9SSinclair Yeh .update_plane = drm_atomic_helper_update_plane,
391b0119cb9SSinclair Yeh .disable_plane = drm_atomic_helper_disable_plane,
39236cc79bcSSinclair Yeh .destroy = vmw_du_cursor_plane_destroy,
393cc5ec459SSinclair Yeh .reset = vmw_du_plane_reset,
394cc5ec459SSinclair Yeh .atomic_duplicate_state = vmw_du_plane_duplicate_state,
395cc5ec459SSinclair Yeh .atomic_destroy_state = vmw_du_plane_destroy_state,
39636cc79bcSSinclair Yeh };
39736cc79bcSSinclair Yeh
39806ec4190SSinclair Yeh /*
39906ec4190SSinclair Yeh * Atomic Helpers
40006ec4190SSinclair Yeh */
401060e2ad5SSinclair Yeh static const struct
402060e2ad5SSinclair Yeh drm_plane_helper_funcs vmw_ldu_cursor_plane_helper_funcs = {
403060e2ad5SSinclair Yeh .atomic_check = vmw_du_cursor_plane_atomic_check,
404060e2ad5SSinclair Yeh .atomic_update = vmw_du_cursor_plane_atomic_update,
405060e2ad5SSinclair Yeh .prepare_fb = vmw_du_cursor_plane_prepare_fb,
406485d98d4SMartin Krastev .cleanup_fb = vmw_du_cursor_plane_cleanup_fb,
407060e2ad5SSinclair Yeh };
408060e2ad5SSinclair Yeh
409060e2ad5SSinclair Yeh static const struct
410060e2ad5SSinclair Yeh drm_plane_helper_funcs vmw_ldu_primary_plane_helper_funcs = {
411060e2ad5SSinclair Yeh .atomic_check = vmw_du_primary_plane_atomic_check,
412060e2ad5SSinclair Yeh .atomic_update = vmw_ldu_primary_plane_atomic_update,
413060e2ad5SSinclair Yeh };
414060e2ad5SSinclair Yeh
41506ec4190SSinclair Yeh static const struct drm_crtc_helper_funcs vmw_ldu_crtc_helper_funcs = {
41606ec4190SSinclair Yeh .mode_set_nofb = vmw_ldu_crtc_mode_set_nofb,
41706ec4190SSinclair Yeh .atomic_check = vmw_du_crtc_atomic_check,
41806ec4190SSinclair Yeh .atomic_begin = vmw_du_crtc_atomic_begin,
41906ec4190SSinclair Yeh .atomic_flush = vmw_du_crtc_atomic_flush,
4200b20a0f8SLaurent Pinchart .atomic_enable = vmw_ldu_crtc_atomic_enable,
42164581714SLaurent Pinchart .atomic_disable = vmw_ldu_crtc_atomic_disable,
42206ec4190SSinclair Yeh };
42306ec4190SSinclair Yeh
42436cc79bcSSinclair Yeh
vmw_ldu_init(struct vmw_private * dev_priv,unsigned unit)425fb1d9738SJakob Bornecrantz static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
426fb1d9738SJakob Bornecrantz {
427fb1d9738SJakob Bornecrantz struct vmw_legacy_display_unit *ldu;
4289703bb32SZack Rusin struct drm_device *dev = &dev_priv->drm;
429fb1d9738SJakob Bornecrantz struct drm_connector *connector;
430fb1d9738SJakob Bornecrantz struct drm_encoder *encoder;
431485d98d4SMartin Krastev struct drm_plane *primary;
432485d98d4SMartin Krastev struct vmw_cursor_plane *cursor;
433fb1d9738SJakob Bornecrantz struct drm_crtc *crtc;
43436cc79bcSSinclair Yeh int ret;
435fb1d9738SJakob Bornecrantz
436fb1d9738SJakob Bornecrantz ldu = kzalloc(sizeof(*ldu), GFP_KERNEL);
437fb1d9738SJakob Bornecrantz if (!ldu)
438fb1d9738SJakob Bornecrantz return -ENOMEM;
439fb1d9738SJakob Bornecrantz
440bbfad336SJakob Bornecrantz ldu->base.unit = unit;
441fb1d9738SJakob Bornecrantz crtc = &ldu->base.crtc;
442fb1d9738SJakob Bornecrantz encoder = &ldu->base.encoder;
443fb1d9738SJakob Bornecrantz connector = &ldu->base.connector;
444cc5ec459SSinclair Yeh primary = &ldu->base.primary;
445cc5ec459SSinclair Yeh cursor = &ldu->base.cursor;
446fb1d9738SJakob Bornecrantz
4471ae1ddd5SJakob Bornecrantz INIT_LIST_HEAD(&ldu->active);
4481ae1ddd5SJakob Bornecrantz
449626ab771SJakob Bornecrantz ldu->base.pref_active = (unit == 0);
450eb4f923bSJakob Bornecrantz ldu->base.pref_width = dev_priv->initial_width;
451eb4f923bSJakob Bornecrantz ldu->base.pref_height = dev_priv->initial_height;
452626ab771SJakob Bornecrantz ldu->base.pref_mode = NULL;
4539c2542a4SSinclair Yeh
4549c2542a4SSinclair Yeh /*
4559c2542a4SSinclair Yeh * Remove this after enabling atomic because property values can
4569c2542a4SSinclair Yeh * only exist in a state object
4579c2542a4SSinclair Yeh */
4586987427aSThomas Hellstrom ldu->base.is_implicit = true;
459d8bd19d2SJakob Bornecrantz
46036cc79bcSSinclair Yeh /* Initialize primary plane */
461485d98d4SMartin Krastev ret = drm_universal_plane_init(dev, primary,
46236cc79bcSSinclair Yeh 0, &vmw_ldu_plane_funcs,
46336cc79bcSSinclair Yeh vmw_primary_plane_formats,
46436cc79bcSSinclair Yeh ARRAY_SIZE(vmw_primary_plane_formats),
465e6fc3b68SBen Widawsky NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
46636cc79bcSSinclair Yeh if (ret) {
46736cc79bcSSinclair Yeh DRM_ERROR("Failed to initialize primary plane");
46836cc79bcSSinclair Yeh goto err_free;
46936cc79bcSSinclair Yeh }
47036cc79bcSSinclair Yeh
471060e2ad5SSinclair Yeh drm_plane_helper_add(primary, &vmw_ldu_primary_plane_helper_funcs);
472060e2ad5SSinclair Yeh
4732cd80dbdSZack Rusin /*
4742cd80dbdSZack Rusin * We're going to be using traces and software cursors
4752cd80dbdSZack Rusin */
4762cd80dbdSZack Rusin if (vmw_cmd_supported(dev_priv)) {
47736cc79bcSSinclair Yeh /* Initialize cursor plane */
478485d98d4SMartin Krastev ret = drm_universal_plane_init(dev, &cursor->base,
47936cc79bcSSinclair Yeh 0, &vmw_ldu_cursor_funcs,
48036cc79bcSSinclair Yeh vmw_cursor_plane_formats,
48136cc79bcSSinclair Yeh ARRAY_SIZE(vmw_cursor_plane_formats),
482e6fc3b68SBen Widawsky NULL, DRM_PLANE_TYPE_CURSOR, NULL);
48336cc79bcSSinclair Yeh if (ret) {
48436cc79bcSSinclair Yeh DRM_ERROR("Failed to initialize cursor plane");
48536cc79bcSSinclair Yeh drm_plane_cleanup(&ldu->base.primary);
48636cc79bcSSinclair Yeh goto err_free;
48736cc79bcSSinclair Yeh }
48836cc79bcSSinclair Yeh
489485d98d4SMartin Krastev drm_plane_helper_add(&cursor->base, &vmw_ldu_cursor_plane_helper_funcs);
4902cd80dbdSZack Rusin }
491060e2ad5SSinclair Yeh
49236cc79bcSSinclair Yeh ret = drm_connector_init(dev, connector, &vmw_legacy_connector_funcs,
493305151e3SThomas Hellstrom DRM_MODE_CONNECTOR_VIRTUAL);
49436cc79bcSSinclair Yeh if (ret) {
49536cc79bcSSinclair Yeh DRM_ERROR("Failed to initialize connector\n");
49636cc79bcSSinclair Yeh goto err_free;
49736cc79bcSSinclair Yeh }
498d947d1b7SSinclair Yeh
499d947d1b7SSinclair Yeh drm_connector_helper_add(connector, &vmw_ldu_connector_helper_funcs);
500626ab771SJakob Bornecrantz connector->status = vmw_du_connector_detect(connector, true);
501fb1d9738SJakob Bornecrantz
50236cc79bcSSinclair Yeh ret = drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs,
50313a3d91fSVille Syrjälä DRM_MODE_ENCODER_VIRTUAL, NULL);
50436cc79bcSSinclair Yeh if (ret) {
50536cc79bcSSinclair Yeh DRM_ERROR("Failed to initialize encoder\n");
50636cc79bcSSinclair Yeh goto err_free_connector;
50736cc79bcSSinclair Yeh }
50836cc79bcSSinclair Yeh
509cde4c44dSDaniel Vetter (void) drm_connector_attach_encoder(connector, encoder);
510fb1d9738SJakob Bornecrantz encoder->possible_crtcs = (1 << unit);
511fb1d9738SJakob Bornecrantz encoder->possible_clones = 0;
512fb1d9738SJakob Bornecrantz
51336cc79bcSSinclair Yeh ret = drm_connector_register(connector);
51436cc79bcSSinclair Yeh if (ret) {
51536cc79bcSSinclair Yeh DRM_ERROR("Failed to register connector\n");
51636cc79bcSSinclair Yeh goto err_free_encoder;
51736cc79bcSSinclair Yeh }
5186a0a7a9eSThomas Hellstrom
519485d98d4SMartin Krastev ret = drm_crtc_init_with_planes(dev, crtc, primary,
520485d98d4SMartin Krastev vmw_cmd_supported(dev_priv) ? &cursor->base : NULL,
52136cc79bcSSinclair Yeh &vmw_legacy_crtc_funcs, NULL);
52236cc79bcSSinclair Yeh if (ret) {
52336cc79bcSSinclair Yeh DRM_ERROR("Failed to initialize CRTC\n");
52436cc79bcSSinclair Yeh goto err_free_unregister;
52536cc79bcSSinclair Yeh }
526fb1d9738SJakob Bornecrantz
52706ec4190SSinclair Yeh drm_crtc_helper_add(crtc, &vmw_ldu_crtc_helper_funcs);
52806ec4190SSinclair Yeh
529f01b7ba0SMichel Dänzer drm_mode_crtc_set_gamma_size(crtc, 256);
530f01b7ba0SMichel Dänzer
531b8b163baSRob Clark drm_object_attach_property(&connector->base,
532578e609aSThomas Hellstrom dev_priv->hotplug_mode_update_property, 1);
533578e609aSThomas Hellstrom drm_object_attach_property(&connector->base,
534578e609aSThomas Hellstrom dev->mode_config.suggested_x_property, 0);
535578e609aSThomas Hellstrom drm_object_attach_property(&connector->base,
536578e609aSThomas Hellstrom dev->mode_config.suggested_y_property, 0);
53776404ac0SThomas Hellstrom if (dev_priv->implicit_placement_property)
53876404ac0SThomas Hellstrom drm_object_attach_property
53976404ac0SThomas Hellstrom (&connector->base,
54076404ac0SThomas Hellstrom dev_priv->implicit_placement_property,
54176404ac0SThomas Hellstrom 1);
542fb1d9738SJakob Bornecrantz
543fb1d9738SJakob Bornecrantz return 0;
54436cc79bcSSinclair Yeh
54536cc79bcSSinclair Yeh err_free_unregister:
54636cc79bcSSinclair Yeh drm_connector_unregister(connector);
54736cc79bcSSinclair Yeh err_free_encoder:
54836cc79bcSSinclair Yeh drm_encoder_cleanup(encoder);
54936cc79bcSSinclair Yeh err_free_connector:
55036cc79bcSSinclair Yeh drm_connector_cleanup(connector);
55136cc79bcSSinclair Yeh err_free:
55236cc79bcSSinclair Yeh kfree(ldu);
55336cc79bcSSinclair Yeh return ret;
554fb1d9738SJakob Bornecrantz }
555fb1d9738SJakob Bornecrantz
vmw_kms_ldu_init_display(struct vmw_private * dev_priv)556c8261a96SSinclair Yeh int vmw_kms_ldu_init_display(struct vmw_private *dev_priv)
557fb1d9738SJakob Bornecrantz {
5589703bb32SZack Rusin struct drm_device *dev = &dev_priv->drm;
55974b5ea30SJakob Bornecrantz int i, ret;
560bb30d8d8SZack Rusin int num_display_units = (dev_priv->capabilities & SVGA_CAP_MULTIMON) ?
561bb30d8d8SZack Rusin VMWGFX_NUM_DISPLAY_UNITS : 1;
5627a1c2f6cSThomas Hellstrom
5632b273544SZack Rusin if (unlikely(dev_priv->ldu_priv)) {
564fb1d9738SJakob Bornecrantz return -EINVAL;
565fb1d9738SJakob Bornecrantz }
566fb1d9738SJakob Bornecrantz
56785b54e0cSJoe Perches dev_priv->ldu_priv = kmalloc(sizeof(*dev_priv->ldu_priv), GFP_KERNEL);
568fb1d9738SJakob Bornecrantz if (!dev_priv->ldu_priv)
569fb1d9738SJakob Bornecrantz return -ENOMEM;
570fb1d9738SJakob Bornecrantz
571fb1d9738SJakob Bornecrantz INIT_LIST_HEAD(&dev_priv->ldu_priv->active);
572fb1d9738SJakob Bornecrantz dev_priv->ldu_priv->num_active = 0;
573d7e1958dSJakob Bornecrantz dev_priv->ldu_priv->last_num_active = 0;
574fb1d9738SJakob Bornecrantz dev_priv->ldu_priv->fb = NULL;
575fb1d9738SJakob Bornecrantz
5769d9486e4SThomas Hellstrom vmw_kms_create_implicit_placement_property(dev_priv);
57776404ac0SThomas Hellstrom
578bb30d8d8SZack Rusin for (i = 0; i < num_display_units; ++i) {
579bb30d8d8SZack Rusin ret = vmw_ldu_init(dev_priv, i);
580bb30d8d8SZack Rusin if (ret != 0)
581bb30d8d8SZack Rusin goto err_free;
582bb30d8d8SZack Rusin }
583fb1d9738SJakob Bornecrantz
584c8261a96SSinclair Yeh dev_priv->active_display_unit = vmw_du_legacy;
585c8261a96SSinclair Yeh
58698124337SRoland Scheidegger drm_mode_config_reset(dev);
58798124337SRoland Scheidegger
58860a16a30SJakob Bornecrantz return 0;
58960a16a30SJakob Bornecrantz
59060a16a30SJakob Bornecrantz err_free:
59160a16a30SJakob Bornecrantz kfree(dev_priv->ldu_priv);
59260a16a30SJakob Bornecrantz dev_priv->ldu_priv = NULL;
5937a1c2f6cSThomas Hellstrom return ret;
594fb1d9738SJakob Bornecrantz }
595fb1d9738SJakob Bornecrantz
vmw_kms_ldu_close_display(struct vmw_private * dev_priv)596c8261a96SSinclair Yeh int vmw_kms_ldu_close_display(struct vmw_private *dev_priv)
597fb1d9738SJakob Bornecrantz {
598fb1d9738SJakob Bornecrantz if (!dev_priv->ldu_priv)
599fb1d9738SJakob Bornecrantz return -ENOSYS;
600fb1d9738SJakob Bornecrantz
601fb1d9738SJakob Bornecrantz BUG_ON(!list_empty(&dev_priv->ldu_priv->active));
602fb1d9738SJakob Bornecrantz
603fb1d9738SJakob Bornecrantz kfree(dev_priv->ldu_priv);
604fb1d9738SJakob Bornecrantz
605fb1d9738SJakob Bornecrantz return 0;
606fb1d9738SJakob Bornecrantz }
607c8261a96SSinclair Yeh
608c8261a96SSinclair Yeh
vmw_kms_ldu_do_bo_dirty(struct vmw_private * dev_priv,struct vmw_framebuffer * framebuffer,unsigned int flags,unsigned int color,struct drm_mode_rect * clips,unsigned int num_clips)609*a37a512dSMartin Krastev static int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv,
610c8261a96SSinclair Yeh struct vmw_framebuffer *framebuffer,
611f1d34bfdSThomas Hellstrom unsigned int flags, unsigned int color,
612*a37a512dSMartin Krastev struct drm_mode_rect *clips,
613*a37a512dSMartin Krastev unsigned int num_clips)
614c8261a96SSinclair Yeh {
615c8261a96SSinclair Yeh size_t fifo_size;
616c8261a96SSinclair Yeh int i;
617c8261a96SSinclair Yeh
618c8261a96SSinclair Yeh struct {
619c8261a96SSinclair Yeh uint32_t header;
620c8261a96SSinclair Yeh SVGAFifoCmdUpdate body;
621c8261a96SSinclair Yeh } *cmd;
622c8261a96SSinclair Yeh
623c8261a96SSinclair Yeh fifo_size = sizeof(*cmd) * num_clips;
6248426ed9cSZack Rusin cmd = VMW_CMD_RESERVE(dev_priv, fifo_size);
62511c45419SDeepak Rawat if (unlikely(cmd == NULL))
626c8261a96SSinclair Yeh return -ENOMEM;
627c8261a96SSinclair Yeh
628c8261a96SSinclair Yeh memset(cmd, 0, fifo_size);
629*a37a512dSMartin Krastev for (i = 0; i < num_clips; i++, clips++) {
630b9eb1a61SThomas Hellstrom cmd[i].header = SVGA_CMD_UPDATE;
631b9eb1a61SThomas Hellstrom cmd[i].body.x = clips->x1;
632b9eb1a61SThomas Hellstrom cmd[i].body.y = clips->y1;
633b9eb1a61SThomas Hellstrom cmd[i].body.width = clips->x2 - clips->x1;
634b9eb1a61SThomas Hellstrom cmd[i].body.height = clips->y2 - clips->y1;
635c8261a96SSinclair Yeh }
636c8261a96SSinclair Yeh
6378426ed9cSZack Rusin vmw_cmd_commit(dev_priv, fifo_size);
638c8261a96SSinclair Yeh return 0;
639c8261a96SSinclair Yeh }
640