diff options
Diffstat (limited to 'drivers/staging/vboxvideo/vbox_main.c')
| -rw-r--r-- | drivers/staging/vboxvideo/vbox_main.c | 101 |
1 files changed, 25 insertions, 76 deletions
diff --git a/drivers/staging/vboxvideo/vbox_main.c b/drivers/staging/vboxvideo/vbox_main.c index 7466c1103ff6..e1fb70a42d32 100644 --- a/drivers/staging/vboxvideo/vbox_main.c +++ b/drivers/staging/vboxvideo/vbox_main.c @@ -1,37 +1,18 @@ +// SPDX-License-Identifier: MIT /* * Copyright (C) 2013-2017 Oracle Corporation * This file is based on ast_main.c * Copyright 2012 Red Hat Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, - * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR - * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE - * USE OR OTHER DEALINGS IN THE SOFTWARE. - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * * Authors: Dave Airlie <airlied@redhat.com>, * Michael Thayer <michael.thayer@oracle.com, * Hans de Goede <hdegoede@redhat.com> */ + +#include <linux/vbox_err.h> #include <drm/drm_fb_helper.h> #include <drm/drm_crtc_helper.h> #include "vbox_drv.h" -#include "vbox_err.h" #include "vboxvideo_guest.h" #include "vboxvideo_vbe.h" @@ -46,40 +27,6 @@ static void vbox_user_framebuffer_destroy(struct drm_framebuffer *fb) kfree(fb); } -void vbox_enable_accel(struct vbox_private *vbox) -{ - unsigned int i; - struct vbva_buffer *vbva; - - if (!vbox->vbva_info || !vbox->vbva_buffers) { - /* Should never happen... */ - DRM_ERROR("vboxvideo: failed to set up VBVA.\n"); - return; - } - - for (i = 0; i < vbox->num_crtcs; ++i) { - if (vbox->vbva_info[i].vbva) - continue; - - vbva = (void __force *)vbox->vbva_buffers + - i * VBVA_MIN_BUFFER_SIZE; - if (!vbva_enable(&vbox->vbva_info[i], - vbox->guest_pool, vbva, i)) { - /* very old host or driver error. */ - DRM_ERROR("vboxvideo: vbva_enable failed\n"); - return; - } - } -} - -void vbox_disable_accel(struct vbox_private *vbox) -{ - unsigned int i; - - for (i = 0; i < vbox->num_crtcs; ++i) - vbva_disable(&vbox->vbva_info[i], vbox->guest_pool, i); -} - void vbox_report_caps(struct vbox_private *vbox) { u32 caps = VBVACAPS_DISABLE_CURSOR_INTEGRATION | @@ -91,12 +38,7 @@ void vbox_report_caps(struct vbox_private *vbox) hgsmi_send_caps_info(vbox->guest_pool, caps); } -/** - * Send information about dirty rectangles to VBVA. If necessary we enable - * VBVA first, as this is normally disabled after a change of master in case - * the new master does not send dirty rectangle information (is this even - * allowed?) - */ +/* Send information about dirty rectangles to VBVA. */ void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb, struct drm_clip_rect *rects, unsigned int num_rects) @@ -116,16 +58,14 @@ void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb, crtc_x = crtc->primary->state->src_x >> 16; crtc_y = crtc->primary->state->src_y >> 16; - vbox_enable_accel(vbox); - for (i = 0; i < num_rects; ++i) { struct vbva_cmd_hdr cmd_hdr; unsigned int crtc_id = to_vbox_crtc(crtc)->crtc_id; - if ((rects[i].x1 > crtc_x + mode->hdisplay) || - (rects[i].y1 > crtc_y + mode->vdisplay) || - (rects[i].x2 < crtc_x) || - (rects[i].y2 < crtc_y)) + if (rects[i].x1 > crtc_x + mode->hdisplay || + rects[i].y1 > crtc_y + mode->vdisplay || + rects[i].x2 < crtc_x || + rects[i].y2 < crtc_y) continue; cmd_hdr.x = (s16)rects[i].x1; @@ -163,7 +103,7 @@ static const struct drm_framebuffer_funcs vbox_fb_funcs = { int vbox_framebuffer_init(struct vbox_private *vbox, struct vbox_framebuffer *vbox_fb, - const struct DRM_MODE_FB_CMD *mode_cmd, + const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object *obj) { int ret; @@ -181,6 +121,7 @@ int vbox_framebuffer_init(struct vbox_private *vbox, static int vbox_accel_init(struct vbox_private *vbox) { + struct vbva_buffer *vbva; unsigned int i; vbox->vbva_info = devm_kcalloc(vbox->ddev.dev, vbox->num_crtcs, @@ -198,22 +139,34 @@ static int vbox_accel_init(struct vbox_private *vbox) if (!vbox->vbva_buffers) return -ENOMEM; - for (i = 0; i < vbox->num_crtcs; ++i) + for (i = 0; i < vbox->num_crtcs; ++i) { vbva_setup_buffer_context(&vbox->vbva_info[i], vbox->available_vram_size + i * VBVA_MIN_BUFFER_SIZE, VBVA_MIN_BUFFER_SIZE); + vbva = (void __force *)vbox->vbva_buffers + + i * VBVA_MIN_BUFFER_SIZE; + if (!vbva_enable(&vbox->vbva_info[i], + vbox->guest_pool, vbva, i)) { + /* very old host or driver error. */ + DRM_ERROR("vboxvideo: vbva_enable failed\n"); + } + } return 0; } static void vbox_accel_fini(struct vbox_private *vbox) { - vbox_disable_accel(vbox); + unsigned int i; + + for (i = 0; i < vbox->num_crtcs; ++i) + vbva_disable(&vbox->vbva_info[i], vbox->guest_pool, i); + pci_iounmap(vbox->ddev.pdev, vbox->vbva_buffers); } -/** Do we support the 4.3 plus mode hint reporting interface? */ +/* Do we support the 4.3 plus mode hint reporting interface? */ static bool have_hgsmi_mode_hints(struct vbox_private *vbox) { u32 have_hints, have_cursor; @@ -244,10 +197,6 @@ bool vbox_check_supported(u16 id) return dispi_id == id; } -/** - * Set up our heaps and data exchange buffers in VRAM before handing the rest - * to the memory manager. - */ int vbox_hw_init(struct vbox_private *vbox) { int ret = -ENOMEM; |