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4bebe91adb
VBLANK callbacks in struct drm_driver are deprecated in favor of their equivalents in struct drm_crtc_funcs. Convert vmwgfx over. v2: * remove accidental whitespace fixes Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Acked-by: Thomas Hellstrom <thellstrom@vmware.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200123135943.24140-21-tzimmermann@suse.de
578 lines
15 KiB
C
578 lines
15 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR MIT
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/**************************************************************************
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*
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* Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include <drm/drm_atomic.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_fourcc.h>
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#include <drm/drm_plane_helper.h>
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#include <drm/drm_vblank.h>
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#include "vmwgfx_kms.h"
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#define vmw_crtc_to_ldu(x) \
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container_of(x, struct vmw_legacy_display_unit, base.crtc)
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#define vmw_encoder_to_ldu(x) \
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container_of(x, struct vmw_legacy_display_unit, base.encoder)
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#define vmw_connector_to_ldu(x) \
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container_of(x, struct vmw_legacy_display_unit, base.connector)
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struct vmw_legacy_display {
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struct list_head active;
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unsigned num_active;
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unsigned last_num_active;
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struct vmw_framebuffer *fb;
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};
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/**
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* Display unit using the legacy register interface.
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*/
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struct vmw_legacy_display_unit {
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struct vmw_display_unit base;
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struct list_head active;
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};
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static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu)
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{
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list_del_init(&ldu->active);
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vmw_du_cleanup(&ldu->base);
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kfree(ldu);
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}
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/*
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* Legacy Display Unit CRTC functions
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*/
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static void vmw_ldu_crtc_destroy(struct drm_crtc *crtc)
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{
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vmw_ldu_destroy(vmw_crtc_to_ldu(crtc));
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}
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static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
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{
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struct vmw_legacy_display *lds = dev_priv->ldu_priv;
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struct vmw_legacy_display_unit *entry;
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struct drm_framebuffer *fb = NULL;
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struct drm_crtc *crtc = NULL;
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int i = 0;
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/* If there is no display topology the host just assumes
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* that the guest will set the same layout as the host.
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*/
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if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) {
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int w = 0, h = 0;
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list_for_each_entry(entry, &lds->active, active) {
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crtc = &entry->base.crtc;
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w = max(w, crtc->x + crtc->mode.hdisplay);
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h = max(h, crtc->y + crtc->mode.vdisplay);
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i++;
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}
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if (crtc == NULL)
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return 0;
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fb = entry->base.crtc.primary->state->fb;
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return vmw_kms_write_svga(dev_priv, w, h, fb->pitches[0],
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fb->format->cpp[0] * 8,
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fb->format->depth);
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}
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if (!list_empty(&lds->active)) {
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entry = list_entry(lds->active.next, typeof(*entry), active);
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fb = entry->base.crtc.primary->state->fb;
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vmw_kms_write_svga(dev_priv, fb->width, fb->height, fb->pitches[0],
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fb->format->cpp[0] * 8, fb->format->depth);
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}
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/* Make sure we always show something. */
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vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS,
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lds->num_active ? lds->num_active : 1);
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i = 0;
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list_for_each_entry(entry, &lds->active, active) {
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crtc = &entry->base.crtc;
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vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i);
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vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i);
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vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, crtc->x);
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vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, crtc->y);
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vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, crtc->mode.hdisplay);
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vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, crtc->mode.vdisplay);
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vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
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i++;
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}
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BUG_ON(i != lds->num_active);
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lds->last_num_active = lds->num_active;
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return 0;
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}
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static int vmw_ldu_del_active(struct vmw_private *vmw_priv,
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struct vmw_legacy_display_unit *ldu)
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{
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struct vmw_legacy_display *ld = vmw_priv->ldu_priv;
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if (list_empty(&ldu->active))
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return 0;
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/* Must init otherwise list_empty(&ldu->active) will not work. */
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list_del_init(&ldu->active);
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if (--(ld->num_active) == 0) {
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BUG_ON(!ld->fb);
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if (ld->fb->unpin)
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ld->fb->unpin(ld->fb);
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ld->fb = NULL;
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}
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return 0;
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}
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static int vmw_ldu_add_active(struct vmw_private *vmw_priv,
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struct vmw_legacy_display_unit *ldu,
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struct vmw_framebuffer *vfb)
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{
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struct vmw_legacy_display *ld = vmw_priv->ldu_priv;
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struct vmw_legacy_display_unit *entry;
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struct list_head *at;
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BUG_ON(!ld->num_active && ld->fb);
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if (vfb != ld->fb) {
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if (ld->fb && ld->fb->unpin)
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ld->fb->unpin(ld->fb);
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vmw_svga_enable(vmw_priv);
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if (vfb->pin)
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vfb->pin(vfb);
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ld->fb = vfb;
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}
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if (!list_empty(&ldu->active))
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return 0;
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at = &ld->active;
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list_for_each_entry(entry, &ld->active, active) {
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if (entry->base.unit > ldu->base.unit)
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break;
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at = &entry->active;
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}
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list_add(&ldu->active, at);
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ld->num_active++;
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return 0;
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}
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/**
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* vmw_ldu_crtc_mode_set_nofb - Enable svga
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*
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* @crtc: CRTC associated with the new screen
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*
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* For LDU, just enable the svga
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*/
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static void vmw_ldu_crtc_mode_set_nofb(struct drm_crtc *crtc)
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{
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}
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/**
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* vmw_ldu_crtc_atomic_enable - Noop
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*
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* @crtc: CRTC associated with the new screen
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*
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* This is called after a mode set has been completed. Here's
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* usually a good place to call vmw_ldu_add_active/vmw_ldu_del_active
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* but since for LDU the display plane is closely tied to the
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* CRTC, it makes more sense to do those at plane update time.
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*/
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static void vmw_ldu_crtc_atomic_enable(struct drm_crtc *crtc,
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struct drm_crtc_state *old_state)
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{
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}
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/**
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* vmw_ldu_crtc_atomic_disable - Turns off CRTC
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*
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* @crtc: CRTC to be turned off
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*/
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static void vmw_ldu_crtc_atomic_disable(struct drm_crtc *crtc,
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struct drm_crtc_state *old_state)
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{
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}
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static const struct drm_crtc_funcs vmw_legacy_crtc_funcs = {
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.gamma_set = vmw_du_crtc_gamma_set,
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.destroy = vmw_ldu_crtc_destroy,
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.reset = vmw_du_crtc_reset,
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.atomic_duplicate_state = vmw_du_crtc_duplicate_state,
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.atomic_destroy_state = vmw_du_crtc_destroy_state,
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.set_config = drm_atomic_helper_set_config,
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.get_vblank_counter = vmw_get_vblank_counter,
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.enable_vblank = vmw_enable_vblank,
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.disable_vblank = vmw_disable_vblank,
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};
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/*
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* Legacy Display Unit encoder functions
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*/
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static void vmw_ldu_encoder_destroy(struct drm_encoder *encoder)
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{
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vmw_ldu_destroy(vmw_encoder_to_ldu(encoder));
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}
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static const struct drm_encoder_funcs vmw_legacy_encoder_funcs = {
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.destroy = vmw_ldu_encoder_destroy,
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};
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/*
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* Legacy Display Unit connector functions
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*/
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static void vmw_ldu_connector_destroy(struct drm_connector *connector)
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{
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vmw_ldu_destroy(vmw_connector_to_ldu(connector));
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}
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static const struct drm_connector_funcs vmw_legacy_connector_funcs = {
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.dpms = vmw_du_connector_dpms,
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.detect = vmw_du_connector_detect,
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.fill_modes = vmw_du_connector_fill_modes,
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.destroy = vmw_ldu_connector_destroy,
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.reset = vmw_du_connector_reset,
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.atomic_duplicate_state = vmw_du_connector_duplicate_state,
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.atomic_destroy_state = vmw_du_connector_destroy_state,
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};
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static const struct
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drm_connector_helper_funcs vmw_ldu_connector_helper_funcs = {
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};
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/*
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* Legacy Display Plane Functions
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*/
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static void
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vmw_ldu_primary_plane_atomic_update(struct drm_plane *plane,
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struct drm_plane_state *old_state)
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{
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struct vmw_private *dev_priv;
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struct vmw_legacy_display_unit *ldu;
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struct vmw_framebuffer *vfb;
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struct drm_framebuffer *fb;
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struct drm_crtc *crtc = plane->state->crtc ?: old_state->crtc;
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ldu = vmw_crtc_to_ldu(crtc);
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dev_priv = vmw_priv(plane->dev);
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fb = plane->state->fb;
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vfb = (fb) ? vmw_framebuffer_to_vfb(fb) : NULL;
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if (vfb)
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vmw_ldu_add_active(dev_priv, ldu, vfb);
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else
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vmw_ldu_del_active(dev_priv, ldu);
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vmw_ldu_commit_list(dev_priv);
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}
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static const struct drm_plane_funcs vmw_ldu_plane_funcs = {
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.update_plane = drm_atomic_helper_update_plane,
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.disable_plane = drm_atomic_helper_disable_plane,
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.destroy = vmw_du_primary_plane_destroy,
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.reset = vmw_du_plane_reset,
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.atomic_duplicate_state = vmw_du_plane_duplicate_state,
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.atomic_destroy_state = vmw_du_plane_destroy_state,
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};
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static const struct drm_plane_funcs vmw_ldu_cursor_funcs = {
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.update_plane = drm_atomic_helper_update_plane,
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.disable_plane = drm_atomic_helper_disable_plane,
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.destroy = vmw_du_cursor_plane_destroy,
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.reset = vmw_du_plane_reset,
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.atomic_duplicate_state = vmw_du_plane_duplicate_state,
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.atomic_destroy_state = vmw_du_plane_destroy_state,
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};
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/*
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* Atomic Helpers
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*/
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static const struct
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drm_plane_helper_funcs vmw_ldu_cursor_plane_helper_funcs = {
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.atomic_check = vmw_du_cursor_plane_atomic_check,
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.atomic_update = vmw_du_cursor_plane_atomic_update,
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.prepare_fb = vmw_du_cursor_plane_prepare_fb,
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.cleanup_fb = vmw_du_plane_cleanup_fb,
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};
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static const struct
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drm_plane_helper_funcs vmw_ldu_primary_plane_helper_funcs = {
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.atomic_check = vmw_du_primary_plane_atomic_check,
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.atomic_update = vmw_ldu_primary_plane_atomic_update,
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};
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static const struct drm_crtc_helper_funcs vmw_ldu_crtc_helper_funcs = {
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.mode_set_nofb = vmw_ldu_crtc_mode_set_nofb,
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.atomic_check = vmw_du_crtc_atomic_check,
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.atomic_begin = vmw_du_crtc_atomic_begin,
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.atomic_flush = vmw_du_crtc_atomic_flush,
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.atomic_enable = vmw_ldu_crtc_atomic_enable,
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.atomic_disable = vmw_ldu_crtc_atomic_disable,
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};
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static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
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{
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struct vmw_legacy_display_unit *ldu;
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struct drm_device *dev = dev_priv->dev;
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struct drm_connector *connector;
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struct drm_encoder *encoder;
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struct drm_plane *primary, *cursor;
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struct drm_crtc *crtc;
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int ret;
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ldu = kzalloc(sizeof(*ldu), GFP_KERNEL);
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if (!ldu)
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return -ENOMEM;
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ldu->base.unit = unit;
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crtc = &ldu->base.crtc;
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encoder = &ldu->base.encoder;
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connector = &ldu->base.connector;
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primary = &ldu->base.primary;
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cursor = &ldu->base.cursor;
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INIT_LIST_HEAD(&ldu->active);
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ldu->base.pref_active = (unit == 0);
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ldu->base.pref_width = dev_priv->initial_width;
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ldu->base.pref_height = dev_priv->initial_height;
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ldu->base.pref_mode = NULL;
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/*
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* Remove this after enabling atomic because property values can
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* only exist in a state object
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*/
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ldu->base.is_implicit = true;
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/* Initialize primary plane */
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vmw_du_plane_reset(primary);
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ret = drm_universal_plane_init(dev, &ldu->base.primary,
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0, &vmw_ldu_plane_funcs,
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vmw_primary_plane_formats,
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ARRAY_SIZE(vmw_primary_plane_formats),
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NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
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if (ret) {
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DRM_ERROR("Failed to initialize primary plane");
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goto err_free;
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}
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drm_plane_helper_add(primary, &vmw_ldu_primary_plane_helper_funcs);
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/* Initialize cursor plane */
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vmw_du_plane_reset(cursor);
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ret = drm_universal_plane_init(dev, &ldu->base.cursor,
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0, &vmw_ldu_cursor_funcs,
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vmw_cursor_plane_formats,
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ARRAY_SIZE(vmw_cursor_plane_formats),
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NULL, DRM_PLANE_TYPE_CURSOR, NULL);
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if (ret) {
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DRM_ERROR("Failed to initialize cursor plane");
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drm_plane_cleanup(&ldu->base.primary);
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goto err_free;
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}
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drm_plane_helper_add(cursor, &vmw_ldu_cursor_plane_helper_funcs);
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vmw_du_connector_reset(connector);
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ret = drm_connector_init(dev, connector, &vmw_legacy_connector_funcs,
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DRM_MODE_CONNECTOR_VIRTUAL);
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if (ret) {
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DRM_ERROR("Failed to initialize connector\n");
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goto err_free;
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}
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drm_connector_helper_add(connector, &vmw_ldu_connector_helper_funcs);
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connector->status = vmw_du_connector_detect(connector, true);
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ret = drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs,
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DRM_MODE_ENCODER_VIRTUAL, NULL);
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if (ret) {
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DRM_ERROR("Failed to initialize encoder\n");
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goto err_free_connector;
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}
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(void) drm_connector_attach_encoder(connector, encoder);
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encoder->possible_crtcs = (1 << unit);
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encoder->possible_clones = 0;
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ret = drm_connector_register(connector);
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if (ret) {
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DRM_ERROR("Failed to register connector\n");
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goto err_free_encoder;
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}
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vmw_du_crtc_reset(crtc);
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ret = drm_crtc_init_with_planes(dev, crtc, &ldu->base.primary,
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&ldu->base.cursor,
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&vmw_legacy_crtc_funcs, NULL);
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if (ret) {
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DRM_ERROR("Failed to initialize CRTC\n");
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goto err_free_unregister;
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}
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drm_crtc_helper_add(crtc, &vmw_ldu_crtc_helper_funcs);
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drm_mode_crtc_set_gamma_size(crtc, 256);
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drm_object_attach_property(&connector->base,
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dev_priv->hotplug_mode_update_property, 1);
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drm_object_attach_property(&connector->base,
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dev->mode_config.suggested_x_property, 0);
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drm_object_attach_property(&connector->base,
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dev->mode_config.suggested_y_property, 0);
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if (dev_priv->implicit_placement_property)
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drm_object_attach_property
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(&connector->base,
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dev_priv->implicit_placement_property,
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1);
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return 0;
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err_free_unregister:
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drm_connector_unregister(connector);
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err_free_encoder:
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drm_encoder_cleanup(encoder);
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|
err_free_connector:
|
|
drm_connector_cleanup(connector);
|
|
err_free:
|
|
kfree(ldu);
|
|
return ret;
|
|
}
|
|
|
|
int vmw_kms_ldu_init_display(struct vmw_private *dev_priv)
|
|
{
|
|
struct drm_device *dev = dev_priv->dev;
|
|
int i, ret;
|
|
|
|
if (dev_priv->ldu_priv) {
|
|
DRM_INFO("ldu system already on\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
dev_priv->ldu_priv = kmalloc(sizeof(*dev_priv->ldu_priv), GFP_KERNEL);
|
|
if (!dev_priv->ldu_priv)
|
|
return -ENOMEM;
|
|
|
|
INIT_LIST_HEAD(&dev_priv->ldu_priv->active);
|
|
dev_priv->ldu_priv->num_active = 0;
|
|
dev_priv->ldu_priv->last_num_active = 0;
|
|
dev_priv->ldu_priv->fb = NULL;
|
|
|
|
/* for old hardware without multimon only enable one display */
|
|
if (dev_priv->capabilities & SVGA_CAP_MULTIMON)
|
|
ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS);
|
|
else
|
|
ret = drm_vblank_init(dev, 1);
|
|
if (ret != 0)
|
|
goto err_free;
|
|
|
|
vmw_kms_create_implicit_placement_property(dev_priv);
|
|
|
|
if (dev_priv->capabilities & SVGA_CAP_MULTIMON)
|
|
for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i)
|
|
vmw_ldu_init(dev_priv, i);
|
|
else
|
|
vmw_ldu_init(dev_priv, 0);
|
|
|
|
dev_priv->active_display_unit = vmw_du_legacy;
|
|
|
|
DRM_INFO("Legacy Display Unit initialized\n");
|
|
|
|
return 0;
|
|
|
|
err_free:
|
|
kfree(dev_priv->ldu_priv);
|
|
dev_priv->ldu_priv = NULL;
|
|
return ret;
|
|
}
|
|
|
|
int vmw_kms_ldu_close_display(struct vmw_private *dev_priv)
|
|
{
|
|
if (!dev_priv->ldu_priv)
|
|
return -ENOSYS;
|
|
|
|
BUG_ON(!list_empty(&dev_priv->ldu_priv->active));
|
|
|
|
kfree(dev_priv->ldu_priv);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv,
|
|
struct vmw_framebuffer *framebuffer,
|
|
unsigned int flags, unsigned int color,
|
|
struct drm_clip_rect *clips,
|
|
unsigned int num_clips, int increment)
|
|
{
|
|
size_t fifo_size;
|
|
int i;
|
|
|
|
struct {
|
|
uint32_t header;
|
|
SVGAFifoCmdUpdate body;
|
|
} *cmd;
|
|
|
|
fifo_size = sizeof(*cmd) * num_clips;
|
|
cmd = VMW_FIFO_RESERVE(dev_priv, fifo_size);
|
|
if (unlikely(cmd == NULL))
|
|
return -ENOMEM;
|
|
|
|
memset(cmd, 0, fifo_size);
|
|
for (i = 0; i < num_clips; i++, clips += increment) {
|
|
cmd[i].header = SVGA_CMD_UPDATE;
|
|
cmd[i].body.x = clips->x1;
|
|
cmd[i].body.y = clips->y1;
|
|
cmd[i].body.width = clips->x2 - clips->x1;
|
|
cmd[i].body.height = clips->y2 - clips->y1;
|
|
}
|
|
|
|
vmw_fifo_commit(dev_priv, fifo_size);
|
|
return 0;
|
|
}
|