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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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5e580523d9
-----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJXlRXSAAoJEHm+PkMAQRiGG/gH/0Z8O4zWOsrwO+X1mRToRDBH joFOjAmCVe83T1VpF5LYNB+9+owL/dEDt6+ZIswnhH7AfQPjs4RqwS4PcuMbCDVO +mDm0PmfcKaYcQZrB2Z2OwIzRNnfCTVcsDPhIHwuIHk0m4z/xuGZonD8KoAj0+tO 3yJF6sbE1KubDVjOb+lmZZSP3cXA0pDXrNhkYhE4Tsr8fiihGjeXSNJ8t2zPLjxo W3MPqo0rzDvQsOwoF4TWHHagVaFSJlhLBBgqu33fI7uO3jtfQD2G8wG68JCND1j3 qbMoBfTLFV/yQmSIJUt0Wv1axaCcwnjpweEB35A/GEeZ0mNB1rDdoBeI1eKEQkc= =DGFC -----END PGP SIGNATURE----- Backmerge tag 'v4.7' into drm-next Linux 4.7 As requested by Daniel Vetter as the conflicts were getting messy.
2249 lines
60 KiB
C
2249 lines
60 KiB
C
/**************************************************************************
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*
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* Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
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* All Rights Reserved.
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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 "vmwgfx_kms.h"
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/* Might need a hrtimer here? */
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#define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
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void vmw_du_cleanup(struct vmw_display_unit *du)
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{
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if (du->cursor_surface)
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vmw_surface_unreference(&du->cursor_surface);
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if (du->cursor_dmabuf)
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vmw_dmabuf_unreference(&du->cursor_dmabuf);
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drm_connector_unregister(&du->connector);
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drm_crtc_cleanup(&du->crtc);
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drm_encoder_cleanup(&du->encoder);
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drm_connector_cleanup(&du->connector);
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}
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/*
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* Display Unit Cursor functions
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*/
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int vmw_cursor_update_image(struct vmw_private *dev_priv,
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u32 *image, u32 width, u32 height,
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u32 hotspotX, u32 hotspotY)
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{
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struct {
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u32 cmd;
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SVGAFifoCmdDefineAlphaCursor cursor;
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} *cmd;
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u32 image_size = width * height * 4;
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u32 cmd_size = sizeof(*cmd) + image_size;
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if (!image)
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return -EINVAL;
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cmd = vmw_fifo_reserve(dev_priv, cmd_size);
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if (unlikely(cmd == NULL)) {
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DRM_ERROR("Fifo reserve failed.\n");
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return -ENOMEM;
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}
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memset(cmd, 0, sizeof(*cmd));
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memcpy(&cmd[1], image, image_size);
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cmd->cmd = SVGA_CMD_DEFINE_ALPHA_CURSOR;
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cmd->cursor.id = 0;
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cmd->cursor.width = width;
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cmd->cursor.height = height;
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cmd->cursor.hotspotX = hotspotX;
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cmd->cursor.hotspotY = hotspotY;
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vmw_fifo_commit_flush(dev_priv, cmd_size);
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return 0;
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}
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int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
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struct vmw_dma_buffer *dmabuf,
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u32 width, u32 height,
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u32 hotspotX, u32 hotspotY)
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{
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struct ttm_bo_kmap_obj map;
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unsigned long kmap_offset;
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unsigned long kmap_num;
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void *virtual;
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bool dummy;
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int ret;
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kmap_offset = 0;
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kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
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ret = ttm_bo_reserve(&dmabuf->base, true, false, NULL);
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if (unlikely(ret != 0)) {
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DRM_ERROR("reserve failed\n");
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return -EINVAL;
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}
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ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
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if (unlikely(ret != 0))
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goto err_unreserve;
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virtual = ttm_kmap_obj_virtual(&map, &dummy);
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ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
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hotspotX, hotspotY);
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ttm_bo_kunmap(&map);
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err_unreserve:
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ttm_bo_unreserve(&dmabuf->base);
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return ret;
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}
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void vmw_cursor_update_position(struct vmw_private *dev_priv,
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bool show, int x, int y)
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{
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u32 *fifo_mem = dev_priv->mmio_virt;
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uint32_t count;
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vmw_mmio_write(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
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vmw_mmio_write(x, fifo_mem + SVGA_FIFO_CURSOR_X);
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vmw_mmio_write(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
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count = vmw_mmio_read(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
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vmw_mmio_write(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
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}
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/*
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* vmw_du_crtc_cursor_set2 - Driver cursor_set2 callback.
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*/
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int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
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uint32_t handle, uint32_t width, uint32_t height,
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int32_t hot_x, int32_t hot_y)
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{
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struct vmw_private *dev_priv = vmw_priv(crtc->dev);
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struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
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struct vmw_surface *surface = NULL;
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struct vmw_dma_buffer *dmabuf = NULL;
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s32 hotspot_x, hotspot_y;
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int ret;
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/*
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* FIXME: Unclear whether there's any global state touched by the
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* cursor_set function, especially vmw_cursor_update_position looks
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* suspicious. For now take the easy route and reacquire all locks. We
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* can do this since the caller in the drm core doesn't check anything
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* which is protected by any looks.
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*/
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drm_modeset_unlock_crtc(crtc);
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drm_modeset_lock_all(dev_priv->dev);
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hotspot_x = hot_x + du->hotspot_x;
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hotspot_y = hot_y + du->hotspot_y;
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/* A lot of the code assumes this */
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if (handle && (width != 64 || height != 64)) {
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ret = -EINVAL;
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goto out;
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}
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if (handle) {
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struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
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ret = vmw_user_lookup_handle(dev_priv, tfile,
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handle, &surface, &dmabuf);
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if (ret) {
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DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
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ret = -EINVAL;
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goto out;
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}
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}
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/* need to do this before taking down old image */
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if (surface && !surface->snooper.image) {
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DRM_ERROR("surface not suitable for cursor\n");
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vmw_surface_unreference(&surface);
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ret = -EINVAL;
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goto out;
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}
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/* takedown old cursor */
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if (du->cursor_surface) {
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du->cursor_surface->snooper.crtc = NULL;
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vmw_surface_unreference(&du->cursor_surface);
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}
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if (du->cursor_dmabuf)
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vmw_dmabuf_unreference(&du->cursor_dmabuf);
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/* setup new image */
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ret = 0;
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if (surface) {
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/* vmw_user_surface_lookup takes one reference */
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du->cursor_surface = surface;
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du->cursor_surface->snooper.crtc = crtc;
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du->cursor_age = du->cursor_surface->snooper.age;
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ret = vmw_cursor_update_image(dev_priv, surface->snooper.image,
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64, 64, hotspot_x, hotspot_y);
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} else if (dmabuf) {
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/* vmw_user_surface_lookup takes one reference */
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du->cursor_dmabuf = dmabuf;
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ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
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hotspot_x, hotspot_y);
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} else {
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vmw_cursor_update_position(dev_priv, false, 0, 0);
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goto out;
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}
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if (!ret) {
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vmw_cursor_update_position(dev_priv, true,
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du->cursor_x + hotspot_x,
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du->cursor_y + hotspot_y);
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du->core_hotspot_x = hot_x;
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du->core_hotspot_y = hot_y;
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}
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out:
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drm_modeset_unlock_all(dev_priv->dev);
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drm_modeset_lock_crtc(crtc, crtc->cursor);
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return ret;
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}
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int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
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{
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struct vmw_private *dev_priv = vmw_priv(crtc->dev);
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struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
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bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false;
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du->cursor_x = x + du->set_gui_x;
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du->cursor_y = y + du->set_gui_y;
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/*
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* FIXME: Unclear whether there's any global state touched by the
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* cursor_set function, especially vmw_cursor_update_position looks
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* suspicious. For now take the easy route and reacquire all locks. We
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* can do this since the caller in the drm core doesn't check anything
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* which is protected by any looks.
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*/
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drm_modeset_unlock_crtc(crtc);
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drm_modeset_lock_all(dev_priv->dev);
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vmw_cursor_update_position(dev_priv, shown,
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du->cursor_x + du->hotspot_x +
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du->core_hotspot_x,
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du->cursor_y + du->hotspot_y +
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du->core_hotspot_y);
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drm_modeset_unlock_all(dev_priv->dev);
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drm_modeset_lock_crtc(crtc, crtc->cursor);
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return 0;
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}
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void vmw_kms_cursor_snoop(struct vmw_surface *srf,
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struct ttm_object_file *tfile,
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struct ttm_buffer_object *bo,
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SVGA3dCmdHeader *header)
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{
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struct ttm_bo_kmap_obj map;
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unsigned long kmap_offset;
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unsigned long kmap_num;
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SVGA3dCopyBox *box;
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unsigned box_count;
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void *virtual;
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bool dummy;
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struct vmw_dma_cmd {
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SVGA3dCmdHeader header;
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SVGA3dCmdSurfaceDMA dma;
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} *cmd;
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int i, ret;
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cmd = container_of(header, struct vmw_dma_cmd, header);
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/* No snooper installed */
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if (!srf->snooper.image)
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return;
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if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) {
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DRM_ERROR("face and mipmap for cursors should never != 0\n");
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return;
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}
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if (cmd->header.size < 64) {
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DRM_ERROR("at least one full copy box must be given\n");
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return;
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}
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box = (SVGA3dCopyBox *)&cmd[1];
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box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
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sizeof(SVGA3dCopyBox);
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if (cmd->dma.guest.ptr.offset % PAGE_SIZE ||
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box->x != 0 || box->y != 0 || box->z != 0 ||
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box->srcx != 0 || box->srcy != 0 || box->srcz != 0 ||
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box->d != 1 || box_count != 1) {
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/* TODO handle none page aligned offsets */
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/* TODO handle more dst & src != 0 */
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/* TODO handle more then one copy */
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DRM_ERROR("Cant snoop dma request for cursor!\n");
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DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
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box->srcx, box->srcy, box->srcz,
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box->x, box->y, box->z,
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box->w, box->h, box->d, box_count,
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cmd->dma.guest.ptr.offset);
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return;
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}
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kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
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kmap_num = (64*64*4) >> PAGE_SHIFT;
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ret = ttm_bo_reserve(bo, true, false, NULL);
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if (unlikely(ret != 0)) {
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DRM_ERROR("reserve failed\n");
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return;
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}
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ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
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if (unlikely(ret != 0))
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goto err_unreserve;
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virtual = ttm_kmap_obj_virtual(&map, &dummy);
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if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
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memcpy(srf->snooper.image, virtual, 64*64*4);
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} else {
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/* Image is unsigned pointer. */
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for (i = 0; i < box->h; i++)
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memcpy(srf->snooper.image + i * 64,
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virtual + i * cmd->dma.guest.pitch,
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box->w * 4);
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}
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srf->snooper.age++;
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|
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ttm_bo_kunmap(&map);
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err_unreserve:
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ttm_bo_unreserve(bo);
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}
|
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|
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/**
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* vmw_kms_legacy_hotspot_clear - Clear legacy hotspots
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*
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* @dev_priv: Pointer to the device private struct.
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*
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* Clears all legacy hotspots.
|
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*/
|
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void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv)
|
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{
|
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struct drm_device *dev = dev_priv->dev;
|
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struct vmw_display_unit *du;
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struct drm_crtc *crtc;
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|
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drm_modeset_lock_all(dev);
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drm_for_each_crtc(crtc, dev) {
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du = vmw_crtc_to_du(crtc);
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|
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du->hotspot_x = 0;
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du->hotspot_y = 0;
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}
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drm_modeset_unlock_all(dev);
|
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}
|
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|
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void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
|
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{
|
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struct drm_device *dev = dev_priv->dev;
|
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struct vmw_display_unit *du;
|
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struct drm_crtc *crtc;
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|
|
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mutex_lock(&dev->mode_config.mutex);
|
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|
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list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
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du = vmw_crtc_to_du(crtc);
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if (!du->cursor_surface ||
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du->cursor_age == du->cursor_surface->snooper.age)
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continue;
|
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|
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du->cursor_age = du->cursor_surface->snooper.age;
|
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vmw_cursor_update_image(dev_priv,
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du->cursor_surface->snooper.image,
|
|
64, 64,
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du->hotspot_x + du->core_hotspot_x,
|
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du->hotspot_y + du->core_hotspot_y);
|
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}
|
|
|
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mutex_unlock(&dev->mode_config.mutex);
|
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}
|
|
|
|
/*
|
|
* Generic framebuffer code
|
|
*/
|
|
|
|
/*
|
|
* Surface framebuffer code
|
|
*/
|
|
|
|
static void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
|
|
{
|
|
struct vmw_framebuffer_surface *vfbs =
|
|
vmw_framebuffer_to_vfbs(framebuffer);
|
|
|
|
drm_framebuffer_cleanup(framebuffer);
|
|
vmw_surface_unreference(&vfbs->surface);
|
|
if (vfbs->base.user_obj)
|
|
ttm_base_object_unref(&vfbs->base.user_obj);
|
|
|
|
kfree(vfbs);
|
|
}
|
|
|
|
static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
|
|
struct drm_file *file_priv,
|
|
unsigned flags, unsigned color,
|
|
struct drm_clip_rect *clips,
|
|
unsigned num_clips)
|
|
{
|
|
struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
|
|
struct vmw_framebuffer_surface *vfbs =
|
|
vmw_framebuffer_to_vfbs(framebuffer);
|
|
struct drm_clip_rect norect;
|
|
int ret, inc = 1;
|
|
|
|
/* Legacy Display Unit does not support 3D */
|
|
if (dev_priv->active_display_unit == vmw_du_legacy)
|
|
return -EINVAL;
|
|
|
|
drm_modeset_lock_all(dev_priv->dev);
|
|
|
|
ret = ttm_read_lock(&dev_priv->reservation_sem, true);
|
|
if (unlikely(ret != 0)) {
|
|
drm_modeset_unlock_all(dev_priv->dev);
|
|
return ret;
|
|
}
|
|
|
|
if (!num_clips) {
|
|
num_clips = 1;
|
|
clips = &norect;
|
|
norect.x1 = norect.y1 = 0;
|
|
norect.x2 = framebuffer->width;
|
|
norect.y2 = framebuffer->height;
|
|
} else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
|
|
num_clips /= 2;
|
|
inc = 2; /* skip source rects */
|
|
}
|
|
|
|
if (dev_priv->active_display_unit == vmw_du_screen_object)
|
|
ret = vmw_kms_sou_do_surface_dirty(dev_priv, &vfbs->base,
|
|
clips, NULL, NULL, 0, 0,
|
|
num_clips, inc, NULL);
|
|
else
|
|
ret = vmw_kms_stdu_surface_dirty(dev_priv, &vfbs->base,
|
|
clips, NULL, NULL, 0, 0,
|
|
num_clips, inc, NULL);
|
|
|
|
vmw_fifo_flush(dev_priv, false);
|
|
ttm_read_unlock(&dev_priv->reservation_sem);
|
|
|
|
drm_modeset_unlock_all(dev_priv->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_readback - Perform a readback from the screen system to
|
|
* a dma-buffer backed framebuffer.
|
|
*
|
|
* @dev_priv: Pointer to the device private structure.
|
|
* @file_priv: Pointer to a struct drm_file identifying the caller.
|
|
* Must be set to NULL if @user_fence_rep is NULL.
|
|
* @vfb: Pointer to the dma-buffer backed framebuffer.
|
|
* @user_fence_rep: User-space provided structure for fence information.
|
|
* Must be set to non-NULL if @file_priv is non-NULL.
|
|
* @vclips: Array of clip rects.
|
|
* @num_clips: Number of clip rects in @vclips.
|
|
*
|
|
* Returns 0 on success, negative error code on failure. -ERESTARTSYS if
|
|
* interrupted.
|
|
*/
|
|
int vmw_kms_readback(struct vmw_private *dev_priv,
|
|
struct drm_file *file_priv,
|
|
struct vmw_framebuffer *vfb,
|
|
struct drm_vmw_fence_rep __user *user_fence_rep,
|
|
struct drm_vmw_rect *vclips,
|
|
uint32_t num_clips)
|
|
{
|
|
switch (dev_priv->active_display_unit) {
|
|
case vmw_du_screen_object:
|
|
return vmw_kms_sou_readback(dev_priv, file_priv, vfb,
|
|
user_fence_rep, vclips, num_clips);
|
|
case vmw_du_screen_target:
|
|
return vmw_kms_stdu_dma(dev_priv, file_priv, vfb,
|
|
user_fence_rep, NULL, vclips, num_clips,
|
|
1, false, true);
|
|
default:
|
|
WARN_ONCE(true,
|
|
"Readback called with invalid display system.\n");
|
|
}
|
|
|
|
return -ENOSYS;
|
|
}
|
|
|
|
|
|
static const struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
|
|
.destroy = vmw_framebuffer_surface_destroy,
|
|
.dirty = vmw_framebuffer_surface_dirty,
|
|
};
|
|
|
|
static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
|
|
struct vmw_surface *surface,
|
|
struct vmw_framebuffer **out,
|
|
const struct drm_mode_fb_cmd
|
|
*mode_cmd,
|
|
bool is_dmabuf_proxy)
|
|
|
|
{
|
|
struct drm_device *dev = dev_priv->dev;
|
|
struct vmw_framebuffer_surface *vfbs;
|
|
enum SVGA3dSurfaceFormat format;
|
|
int ret;
|
|
|
|
/* 3D is only supported on HWv8 and newer hosts */
|
|
if (dev_priv->active_display_unit == vmw_du_legacy)
|
|
return -ENOSYS;
|
|
|
|
/*
|
|
* Sanity checks.
|
|
*/
|
|
|
|
/* Surface must be marked as a scanout. */
|
|
if (unlikely(!surface->scanout))
|
|
return -EINVAL;
|
|
|
|
if (unlikely(surface->mip_levels[0] != 1 ||
|
|
surface->num_sizes != 1 ||
|
|
surface->base_size.width < mode_cmd->width ||
|
|
surface->base_size.height < mode_cmd->height ||
|
|
surface->base_size.depth != 1)) {
|
|
DRM_ERROR("Incompatible surface dimensions "
|
|
"for requested mode.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (mode_cmd->depth) {
|
|
case 32:
|
|
format = SVGA3D_A8R8G8B8;
|
|
break;
|
|
case 24:
|
|
format = SVGA3D_X8R8G8B8;
|
|
break;
|
|
case 16:
|
|
format = SVGA3D_R5G6B5;
|
|
break;
|
|
case 15:
|
|
format = SVGA3D_A1R5G5B5;
|
|
break;
|
|
default:
|
|
DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/*
|
|
* For DX, surface format validation is done when surface->scanout
|
|
* is set.
|
|
*/
|
|
if (!dev_priv->has_dx && format != surface->format) {
|
|
DRM_ERROR("Invalid surface format for requested mode.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
|
|
if (!vfbs) {
|
|
ret = -ENOMEM;
|
|
goto out_err1;
|
|
}
|
|
|
|
/* XXX get the first 3 from the surface info */
|
|
vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
|
|
vfbs->base.base.pitches[0] = mode_cmd->pitch;
|
|
vfbs->base.base.depth = mode_cmd->depth;
|
|
vfbs->base.base.width = mode_cmd->width;
|
|
vfbs->base.base.height = mode_cmd->height;
|
|
vfbs->surface = vmw_surface_reference(surface);
|
|
vfbs->base.user_handle = mode_cmd->handle;
|
|
vfbs->is_dmabuf_proxy = is_dmabuf_proxy;
|
|
|
|
*out = &vfbs->base;
|
|
|
|
ret = drm_framebuffer_init(dev, &vfbs->base.base,
|
|
&vmw_framebuffer_surface_funcs);
|
|
if (ret)
|
|
goto out_err2;
|
|
|
|
return 0;
|
|
|
|
out_err2:
|
|
vmw_surface_unreference(&surface);
|
|
kfree(vfbs);
|
|
out_err1:
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Dmabuf framebuffer code
|
|
*/
|
|
|
|
static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
|
|
{
|
|
struct vmw_framebuffer_dmabuf *vfbd =
|
|
vmw_framebuffer_to_vfbd(framebuffer);
|
|
|
|
drm_framebuffer_cleanup(framebuffer);
|
|
vmw_dmabuf_unreference(&vfbd->buffer);
|
|
if (vfbd->base.user_obj)
|
|
ttm_base_object_unref(&vfbd->base.user_obj);
|
|
|
|
kfree(vfbd);
|
|
}
|
|
|
|
static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
|
|
struct drm_file *file_priv,
|
|
unsigned flags, unsigned color,
|
|
struct drm_clip_rect *clips,
|
|
unsigned num_clips)
|
|
{
|
|
struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
|
|
struct vmw_framebuffer_dmabuf *vfbd =
|
|
vmw_framebuffer_to_vfbd(framebuffer);
|
|
struct drm_clip_rect norect;
|
|
int ret, increment = 1;
|
|
|
|
drm_modeset_lock_all(dev_priv->dev);
|
|
|
|
ret = ttm_read_lock(&dev_priv->reservation_sem, true);
|
|
if (unlikely(ret != 0)) {
|
|
drm_modeset_unlock_all(dev_priv->dev);
|
|
return ret;
|
|
}
|
|
|
|
if (!num_clips) {
|
|
num_clips = 1;
|
|
clips = &norect;
|
|
norect.x1 = norect.y1 = 0;
|
|
norect.x2 = framebuffer->width;
|
|
norect.y2 = framebuffer->height;
|
|
} else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
|
|
num_clips /= 2;
|
|
increment = 2;
|
|
}
|
|
|
|
switch (dev_priv->active_display_unit) {
|
|
case vmw_du_screen_target:
|
|
ret = vmw_kms_stdu_dma(dev_priv, NULL, &vfbd->base, NULL,
|
|
clips, NULL, num_clips, increment,
|
|
true, true);
|
|
break;
|
|
case vmw_du_screen_object:
|
|
ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, &vfbd->base,
|
|
clips, NULL, num_clips,
|
|
increment, true, NULL);
|
|
break;
|
|
case vmw_du_legacy:
|
|
ret = vmw_kms_ldu_do_dmabuf_dirty(dev_priv, &vfbd->base, 0, 0,
|
|
clips, num_clips, increment);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
WARN_ONCE(true, "Dirty called with invalid display system.\n");
|
|
break;
|
|
}
|
|
|
|
vmw_fifo_flush(dev_priv, false);
|
|
ttm_read_unlock(&dev_priv->reservation_sem);
|
|
|
|
drm_modeset_unlock_all(dev_priv->dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
|
|
.destroy = vmw_framebuffer_dmabuf_destroy,
|
|
.dirty = vmw_framebuffer_dmabuf_dirty,
|
|
};
|
|
|
|
/**
|
|
* Pin the dmabuffer to the start of vram.
|
|
*/
|
|
static int vmw_framebuffer_pin(struct vmw_framebuffer *vfb)
|
|
{
|
|
struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
|
|
struct vmw_dma_buffer *buf;
|
|
int ret;
|
|
|
|
buf = vfb->dmabuf ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
|
|
vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
|
|
|
|
if (!buf)
|
|
return 0;
|
|
|
|
switch (dev_priv->active_display_unit) {
|
|
case vmw_du_legacy:
|
|
vmw_overlay_pause_all(dev_priv);
|
|
ret = vmw_dmabuf_pin_in_start_of_vram(dev_priv, buf, false);
|
|
vmw_overlay_resume_all(dev_priv);
|
|
break;
|
|
case vmw_du_screen_object:
|
|
case vmw_du_screen_target:
|
|
if (vfb->dmabuf)
|
|
return vmw_dmabuf_pin_in_vram_or_gmr(dev_priv, buf,
|
|
false);
|
|
|
|
return vmw_dmabuf_pin_in_placement(dev_priv, buf,
|
|
&vmw_mob_placement, false);
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int vmw_framebuffer_unpin(struct vmw_framebuffer *vfb)
|
|
{
|
|
struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
|
|
struct vmw_dma_buffer *buf;
|
|
|
|
buf = vfb->dmabuf ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
|
|
vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
|
|
|
|
if (WARN_ON(!buf))
|
|
return 0;
|
|
|
|
return vmw_dmabuf_unpin(dev_priv, buf, false);
|
|
}
|
|
|
|
/**
|
|
* vmw_create_dmabuf_proxy - create a proxy surface for the DMA buf
|
|
*
|
|
* @dev: DRM device
|
|
* @mode_cmd: parameters for the new surface
|
|
* @dmabuf_mob: MOB backing the DMA buf
|
|
* @srf_out: newly created surface
|
|
*
|
|
* When the content FB is a DMA buf, we create a surface as a proxy to the
|
|
* same buffer. This way we can do a surface copy rather than a surface DMA.
|
|
* This is a more efficient approach
|
|
*
|
|
* RETURNS:
|
|
* 0 on success, error code otherwise
|
|
*/
|
|
static int vmw_create_dmabuf_proxy(struct drm_device *dev,
|
|
const struct drm_mode_fb_cmd *mode_cmd,
|
|
struct vmw_dma_buffer *dmabuf_mob,
|
|
struct vmw_surface **srf_out)
|
|
{
|
|
uint32_t format;
|
|
struct drm_vmw_size content_base_size;
|
|
struct vmw_resource *res;
|
|
unsigned int bytes_pp;
|
|
int ret;
|
|
|
|
switch (mode_cmd->depth) {
|
|
case 32:
|
|
case 24:
|
|
format = SVGA3D_X8R8G8B8;
|
|
bytes_pp = 4;
|
|
break;
|
|
|
|
case 16:
|
|
case 15:
|
|
format = SVGA3D_R5G6B5;
|
|
bytes_pp = 2;
|
|
break;
|
|
|
|
case 8:
|
|
format = SVGA3D_P8;
|
|
bytes_pp = 1;
|
|
break;
|
|
|
|
default:
|
|
DRM_ERROR("Invalid framebuffer format %d\n", mode_cmd->depth);
|
|
return -EINVAL;
|
|
}
|
|
|
|
content_base_size.width = mode_cmd->pitch / bytes_pp;
|
|
content_base_size.height = mode_cmd->height;
|
|
content_base_size.depth = 1;
|
|
|
|
ret = vmw_surface_gb_priv_define(dev,
|
|
0, /* kernel visible only */
|
|
0, /* flags */
|
|
format,
|
|
true, /* can be a scanout buffer */
|
|
1, /* num of mip levels */
|
|
0,
|
|
0,
|
|
content_base_size,
|
|
srf_out);
|
|
if (ret) {
|
|
DRM_ERROR("Failed to allocate proxy content buffer\n");
|
|
return ret;
|
|
}
|
|
|
|
res = &(*srf_out)->res;
|
|
|
|
/* Reserve and switch the backing mob. */
|
|
mutex_lock(&res->dev_priv->cmdbuf_mutex);
|
|
(void) vmw_resource_reserve(res, false, true);
|
|
vmw_dmabuf_unreference(&res->backup);
|
|
res->backup = vmw_dmabuf_reference(dmabuf_mob);
|
|
res->backup_offset = 0;
|
|
vmw_resource_unreserve(res, false, NULL, 0);
|
|
mutex_unlock(&res->dev_priv->cmdbuf_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
|
|
struct vmw_dma_buffer *dmabuf,
|
|
struct vmw_framebuffer **out,
|
|
const struct drm_mode_fb_cmd
|
|
*mode_cmd)
|
|
|
|
{
|
|
struct drm_device *dev = dev_priv->dev;
|
|
struct vmw_framebuffer_dmabuf *vfbd;
|
|
unsigned int requested_size;
|
|
int ret;
|
|
|
|
requested_size = mode_cmd->height * mode_cmd->pitch;
|
|
if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) {
|
|
DRM_ERROR("Screen buffer object size is too small "
|
|
"for requested mode.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Limited framebuffer color depth support for screen objects */
|
|
if (dev_priv->active_display_unit == vmw_du_screen_object) {
|
|
switch (mode_cmd->depth) {
|
|
case 32:
|
|
case 24:
|
|
/* Only support 32 bpp for 32 and 24 depth fbs */
|
|
if (mode_cmd->bpp == 32)
|
|
break;
|
|
|
|
DRM_ERROR("Invalid color depth/bbp: %d %d\n",
|
|
mode_cmd->depth, mode_cmd->bpp);
|
|
return -EINVAL;
|
|
case 16:
|
|
case 15:
|
|
/* Only support 16 bpp for 16 and 15 depth fbs */
|
|
if (mode_cmd->bpp == 16)
|
|
break;
|
|
|
|
DRM_ERROR("Invalid color depth/bbp: %d %d\n",
|
|
mode_cmd->depth, mode_cmd->bpp);
|
|
return -EINVAL;
|
|
default:
|
|
DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
|
|
if (!vfbd) {
|
|
ret = -ENOMEM;
|
|
goto out_err1;
|
|
}
|
|
|
|
vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
|
|
vfbd->base.base.pitches[0] = mode_cmd->pitch;
|
|
vfbd->base.base.depth = mode_cmd->depth;
|
|
vfbd->base.base.width = mode_cmd->width;
|
|
vfbd->base.base.height = mode_cmd->height;
|
|
vfbd->base.dmabuf = true;
|
|
vfbd->buffer = vmw_dmabuf_reference(dmabuf);
|
|
vfbd->base.user_handle = mode_cmd->handle;
|
|
*out = &vfbd->base;
|
|
|
|
ret = drm_framebuffer_init(dev, &vfbd->base.base,
|
|
&vmw_framebuffer_dmabuf_funcs);
|
|
if (ret)
|
|
goto out_err2;
|
|
|
|
return 0;
|
|
|
|
out_err2:
|
|
vmw_dmabuf_unreference(&dmabuf);
|
|
kfree(vfbd);
|
|
out_err1:
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_new_framebuffer - Create a new framebuffer.
|
|
*
|
|
* @dev_priv: Pointer to device private struct.
|
|
* @dmabuf: Pointer to dma buffer to wrap the kms framebuffer around.
|
|
* Either @dmabuf or @surface must be NULL.
|
|
* @surface: Pointer to a surface to wrap the kms framebuffer around.
|
|
* Either @dmabuf or @surface must be NULL.
|
|
* @only_2d: No presents will occur to this dma buffer based framebuffer. This
|
|
* Helps the code to do some important optimizations.
|
|
* @mode_cmd: Frame-buffer metadata.
|
|
*/
|
|
struct vmw_framebuffer *
|
|
vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
|
|
struct vmw_dma_buffer *dmabuf,
|
|
struct vmw_surface *surface,
|
|
bool only_2d,
|
|
const struct drm_mode_fb_cmd *mode_cmd)
|
|
{
|
|
struct vmw_framebuffer *vfb = NULL;
|
|
bool is_dmabuf_proxy = false;
|
|
int ret;
|
|
|
|
/*
|
|
* We cannot use the SurfaceDMA command in an non-accelerated VM,
|
|
* therefore, wrap the DMA buf in a surface so we can use the
|
|
* SurfaceCopy command.
|
|
*/
|
|
if (dmabuf && only_2d &&
|
|
dev_priv->active_display_unit == vmw_du_screen_target) {
|
|
ret = vmw_create_dmabuf_proxy(dev_priv->dev, mode_cmd,
|
|
dmabuf, &surface);
|
|
if (ret)
|
|
return ERR_PTR(ret);
|
|
|
|
is_dmabuf_proxy = true;
|
|
}
|
|
|
|
/* Create the new framebuffer depending one what we have */
|
|
if (surface) {
|
|
ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb,
|
|
mode_cmd,
|
|
is_dmabuf_proxy);
|
|
|
|
/*
|
|
* vmw_create_dmabuf_proxy() adds a reference that is no longer
|
|
* needed
|
|
*/
|
|
if (is_dmabuf_proxy)
|
|
vmw_surface_unreference(&surface);
|
|
} else if (dmabuf) {
|
|
ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, dmabuf, &vfb,
|
|
mode_cmd);
|
|
} else {
|
|
BUG();
|
|
}
|
|
|
|
if (ret)
|
|
return ERR_PTR(ret);
|
|
|
|
vfb->pin = vmw_framebuffer_pin;
|
|
vfb->unpin = vmw_framebuffer_unpin;
|
|
|
|
return vfb;
|
|
}
|
|
|
|
/*
|
|
* Generic Kernel modesetting functions
|
|
*/
|
|
|
|
static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
|
|
struct drm_file *file_priv,
|
|
const struct drm_mode_fb_cmd2 *mode_cmd2)
|
|
{
|
|
struct vmw_private *dev_priv = vmw_priv(dev);
|
|
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
|
|
struct vmw_framebuffer *vfb = NULL;
|
|
struct vmw_surface *surface = NULL;
|
|
struct vmw_dma_buffer *bo = NULL;
|
|
struct ttm_base_object *user_obj;
|
|
struct drm_mode_fb_cmd mode_cmd;
|
|
int ret;
|
|
|
|
mode_cmd.width = mode_cmd2->width;
|
|
mode_cmd.height = mode_cmd2->height;
|
|
mode_cmd.pitch = mode_cmd2->pitches[0];
|
|
mode_cmd.handle = mode_cmd2->handles[0];
|
|
drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth,
|
|
&mode_cmd.bpp);
|
|
|
|
/**
|
|
* This code should be conditioned on Screen Objects not being used.
|
|
* If screen objects are used, we can allocate a GMR to hold the
|
|
* requested framebuffer.
|
|
*/
|
|
|
|
if (!vmw_kms_validate_mode_vram(dev_priv,
|
|
mode_cmd.pitch,
|
|
mode_cmd.height)) {
|
|
DRM_ERROR("Requested mode exceed bounding box limit.\n");
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
/*
|
|
* Take a reference on the user object of the resource
|
|
* backing the kms fb. This ensures that user-space handle
|
|
* lookups on that resource will always work as long as
|
|
* it's registered with a kms framebuffer. This is important,
|
|
* since vmw_execbuf_process identifies resources in the
|
|
* command stream using user-space handles.
|
|
*/
|
|
|
|
user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle);
|
|
if (unlikely(user_obj == NULL)) {
|
|
DRM_ERROR("Could not locate requested kms frame buffer.\n");
|
|
return ERR_PTR(-ENOENT);
|
|
}
|
|
|
|
/**
|
|
* End conditioned code.
|
|
*/
|
|
|
|
/* returns either a dmabuf or surface */
|
|
ret = vmw_user_lookup_handle(dev_priv, tfile,
|
|
mode_cmd.handle,
|
|
&surface, &bo);
|
|
if (ret)
|
|
goto err_out;
|
|
|
|
vfb = vmw_kms_new_framebuffer(dev_priv, bo, surface,
|
|
!(dev_priv->capabilities & SVGA_CAP_3D),
|
|
&mode_cmd);
|
|
if (IS_ERR(vfb)) {
|
|
ret = PTR_ERR(vfb);
|
|
goto err_out;
|
|
}
|
|
|
|
err_out:
|
|
/* vmw_user_lookup_handle takes one ref so does new_fb */
|
|
if (bo)
|
|
vmw_dmabuf_unreference(&bo);
|
|
if (surface)
|
|
vmw_surface_unreference(&surface);
|
|
|
|
if (ret) {
|
|
DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
|
|
ttm_base_object_unref(&user_obj);
|
|
return ERR_PTR(ret);
|
|
} else
|
|
vfb->user_obj = user_obj;
|
|
|
|
return &vfb->base;
|
|
}
|
|
|
|
static const struct drm_mode_config_funcs vmw_kms_funcs = {
|
|
.fb_create = vmw_kms_fb_create,
|
|
};
|
|
|
|
static int vmw_kms_generic_present(struct vmw_private *dev_priv,
|
|
struct drm_file *file_priv,
|
|
struct vmw_framebuffer *vfb,
|
|
struct vmw_surface *surface,
|
|
uint32_t sid,
|
|
int32_t destX, int32_t destY,
|
|
struct drm_vmw_rect *clips,
|
|
uint32_t num_clips)
|
|
{
|
|
return vmw_kms_sou_do_surface_dirty(dev_priv, vfb, NULL, clips,
|
|
&surface->res, destX, destY,
|
|
num_clips, 1, NULL);
|
|
}
|
|
|
|
|
|
int vmw_kms_present(struct vmw_private *dev_priv,
|
|
struct drm_file *file_priv,
|
|
struct vmw_framebuffer *vfb,
|
|
struct vmw_surface *surface,
|
|
uint32_t sid,
|
|
int32_t destX, int32_t destY,
|
|
struct drm_vmw_rect *clips,
|
|
uint32_t num_clips)
|
|
{
|
|
int ret;
|
|
|
|
switch (dev_priv->active_display_unit) {
|
|
case vmw_du_screen_target:
|
|
ret = vmw_kms_stdu_surface_dirty(dev_priv, vfb, NULL, clips,
|
|
&surface->res, destX, destY,
|
|
num_clips, 1, NULL);
|
|
break;
|
|
case vmw_du_screen_object:
|
|
ret = vmw_kms_generic_present(dev_priv, file_priv, vfb, surface,
|
|
sid, destX, destY, clips,
|
|
num_clips);
|
|
break;
|
|
default:
|
|
WARN_ONCE(true,
|
|
"Present called with invalid display system.\n");
|
|
ret = -ENOSYS;
|
|
break;
|
|
}
|
|
if (ret)
|
|
return ret;
|
|
|
|
vmw_fifo_flush(dev_priv, false);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
vmw_kms_create_hotplug_mode_update_property(struct vmw_private *dev_priv)
|
|
{
|
|
if (dev_priv->hotplug_mode_update_property)
|
|
return;
|
|
|
|
dev_priv->hotplug_mode_update_property =
|
|
drm_property_create_range(dev_priv->dev,
|
|
DRM_MODE_PROP_IMMUTABLE,
|
|
"hotplug_mode_update", 0, 1);
|
|
|
|
if (!dev_priv->hotplug_mode_update_property)
|
|
return;
|
|
|
|
}
|
|
|
|
int vmw_kms_init(struct vmw_private *dev_priv)
|
|
{
|
|
struct drm_device *dev = dev_priv->dev;
|
|
int ret;
|
|
|
|
drm_mode_config_init(dev);
|
|
dev->mode_config.funcs = &vmw_kms_funcs;
|
|
dev->mode_config.min_width = 1;
|
|
dev->mode_config.min_height = 1;
|
|
dev->mode_config.max_width = dev_priv->texture_max_width;
|
|
dev->mode_config.max_height = dev_priv->texture_max_height;
|
|
|
|
drm_mode_create_suggested_offset_properties(dev);
|
|
vmw_kms_create_hotplug_mode_update_property(dev_priv);
|
|
|
|
ret = vmw_kms_stdu_init_display(dev_priv);
|
|
if (ret) {
|
|
ret = vmw_kms_sou_init_display(dev_priv);
|
|
if (ret) /* Fallback */
|
|
ret = vmw_kms_ldu_init_display(dev_priv);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int vmw_kms_close(struct vmw_private *dev_priv)
|
|
{
|
|
int ret;
|
|
|
|
/*
|
|
* Docs says we should take the lock before calling this function
|
|
* but since it destroys encoders and our destructor calls
|
|
* drm_encoder_cleanup which takes the lock we deadlock.
|
|
*/
|
|
drm_mode_config_cleanup(dev_priv->dev);
|
|
if (dev_priv->active_display_unit == vmw_du_screen_object)
|
|
ret = vmw_kms_sou_close_display(dev_priv);
|
|
else if (dev_priv->active_display_unit == vmw_du_screen_target)
|
|
ret = vmw_kms_stdu_close_display(dev_priv);
|
|
else
|
|
ret = vmw_kms_ldu_close_display(dev_priv);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct drm_vmw_cursor_bypass_arg *arg = data;
|
|
struct vmw_display_unit *du;
|
|
struct drm_crtc *crtc;
|
|
int ret = 0;
|
|
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
|
|
|
|
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
|
|
du = vmw_crtc_to_du(crtc);
|
|
du->hotspot_x = arg->xhot;
|
|
du->hotspot_y = arg->yhot;
|
|
}
|
|
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
return 0;
|
|
}
|
|
|
|
crtc = drm_crtc_find(dev, arg->crtc_id);
|
|
if (!crtc) {
|
|
ret = -ENOENT;
|
|
goto out;
|
|
}
|
|
|
|
du = vmw_crtc_to_du(crtc);
|
|
|
|
du->hotspot_x = arg->xhot;
|
|
du->hotspot_y = arg->yhot;
|
|
|
|
out:
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int vmw_kms_write_svga(struct vmw_private *vmw_priv,
|
|
unsigned width, unsigned height, unsigned pitch,
|
|
unsigned bpp, unsigned depth)
|
|
{
|
|
if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
|
|
vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
|
|
else if (vmw_fifo_have_pitchlock(vmw_priv))
|
|
vmw_mmio_write(pitch, vmw_priv->mmio_virt +
|
|
SVGA_FIFO_PITCHLOCK);
|
|
vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
|
|
vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
|
|
vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
|
|
|
|
if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
|
|
DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
|
|
depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int vmw_kms_save_vga(struct vmw_private *vmw_priv)
|
|
{
|
|
struct vmw_vga_topology_state *save;
|
|
uint32_t i;
|
|
|
|
vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
|
|
vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
|
|
vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
|
|
if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
|
|
vmw_priv->vga_pitchlock =
|
|
vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
|
|
else if (vmw_fifo_have_pitchlock(vmw_priv))
|
|
vmw_priv->vga_pitchlock = vmw_mmio_read(vmw_priv->mmio_virt +
|
|
SVGA_FIFO_PITCHLOCK);
|
|
|
|
if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
|
|
return 0;
|
|
|
|
vmw_priv->num_displays = vmw_read(vmw_priv,
|
|
SVGA_REG_NUM_GUEST_DISPLAYS);
|
|
|
|
if (vmw_priv->num_displays == 0)
|
|
vmw_priv->num_displays = 1;
|
|
|
|
for (i = 0; i < vmw_priv->num_displays; ++i) {
|
|
save = &vmw_priv->vga_save[i];
|
|
vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
|
|
save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
|
|
save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
|
|
save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
|
|
save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
|
|
save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
|
|
vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
|
|
if (i == 0 && vmw_priv->num_displays == 1 &&
|
|
save->width == 0 && save->height == 0) {
|
|
|
|
/*
|
|
* It should be fairly safe to assume that these
|
|
* values are uninitialized.
|
|
*/
|
|
|
|
save->width = vmw_priv->vga_width - save->pos_x;
|
|
save->height = vmw_priv->vga_height - save->pos_y;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
|
|
{
|
|
struct vmw_vga_topology_state *save;
|
|
uint32_t i;
|
|
|
|
vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
|
|
vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
|
|
vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
|
|
if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
|
|
vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
|
|
vmw_priv->vga_pitchlock);
|
|
else if (vmw_fifo_have_pitchlock(vmw_priv))
|
|
vmw_mmio_write(vmw_priv->vga_pitchlock,
|
|
vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
|
|
|
|
if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
|
|
return 0;
|
|
|
|
for (i = 0; i < vmw_priv->num_displays; ++i) {
|
|
save = &vmw_priv->vga_save[i];
|
|
vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
|
|
vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
|
|
vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
|
|
vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
|
|
vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
|
|
vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
|
|
vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
|
|
uint32_t pitch,
|
|
uint32_t height)
|
|
{
|
|
return ((u64) pitch * (u64) height) < (u64)
|
|
((dev_priv->active_display_unit == vmw_du_screen_target) ?
|
|
dev_priv->prim_bb_mem : dev_priv->vram_size);
|
|
}
|
|
|
|
|
|
/**
|
|
* Function called by DRM code called with vbl_lock held.
|
|
*/
|
|
u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Function called by DRM code called with vbl_lock held.
|
|
*/
|
|
int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
/**
|
|
* Function called by DRM code called with vbl_lock held.
|
|
*/
|
|
void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe)
|
|
{
|
|
}
|
|
|
|
|
|
/*
|
|
* Small shared kms functions.
|
|
*/
|
|
|
|
static int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
|
|
struct drm_vmw_rect *rects)
|
|
{
|
|
struct drm_device *dev = dev_priv->dev;
|
|
struct vmw_display_unit *du;
|
|
struct drm_connector *con;
|
|
|
|
mutex_lock(&dev->mode_config.mutex);
|
|
|
|
#if 0
|
|
{
|
|
unsigned int i;
|
|
|
|
DRM_INFO("%s: new layout ", __func__);
|
|
for (i = 0; i < num; i++)
|
|
DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
|
|
rects[i].w, rects[i].h);
|
|
DRM_INFO("\n");
|
|
}
|
|
#endif
|
|
|
|
list_for_each_entry(con, &dev->mode_config.connector_list, head) {
|
|
du = vmw_connector_to_du(con);
|
|
if (num > du->unit) {
|
|
du->pref_width = rects[du->unit].w;
|
|
du->pref_height = rects[du->unit].h;
|
|
du->pref_active = true;
|
|
du->gui_x = rects[du->unit].x;
|
|
du->gui_y = rects[du->unit].y;
|
|
drm_object_property_set_value
|
|
(&con->base, dev->mode_config.suggested_x_property,
|
|
du->gui_x);
|
|
drm_object_property_set_value
|
|
(&con->base, dev->mode_config.suggested_y_property,
|
|
du->gui_y);
|
|
} else {
|
|
du->pref_width = 800;
|
|
du->pref_height = 600;
|
|
du->pref_active = false;
|
|
drm_object_property_set_value
|
|
(&con->base, dev->mode_config.suggested_x_property,
|
|
0);
|
|
drm_object_property_set_value
|
|
(&con->base, dev->mode_config.suggested_y_property,
|
|
0);
|
|
}
|
|
con->status = vmw_du_connector_detect(con, true);
|
|
}
|
|
|
|
mutex_unlock(&dev->mode_config.mutex);
|
|
drm_sysfs_hotplug_event(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
|
|
u16 *r, u16 *g, u16 *b,
|
|
uint32_t size)
|
|
{
|
|
struct vmw_private *dev_priv = vmw_priv(crtc->dev);
|
|
int i;
|
|
|
|
for (i = 0; i < size; i++) {
|
|
DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
|
|
r[i], g[i], b[i]);
|
|
vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
|
|
vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
|
|
vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int vmw_du_connector_dpms(struct drm_connector *connector, int mode)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
enum drm_connector_status
|
|
vmw_du_connector_detect(struct drm_connector *connector, bool force)
|
|
{
|
|
uint32_t num_displays;
|
|
struct drm_device *dev = connector->dev;
|
|
struct vmw_private *dev_priv = vmw_priv(dev);
|
|
struct vmw_display_unit *du = vmw_connector_to_du(connector);
|
|
|
|
num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
|
|
|
|
return ((vmw_connector_to_du(connector)->unit < num_displays &&
|
|
du->pref_active) ?
|
|
connector_status_connected : connector_status_disconnected);
|
|
}
|
|
|
|
static struct drm_display_mode vmw_kms_connector_builtin[] = {
|
|
/* 640x480@60Hz */
|
|
{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
|
|
752, 800, 0, 480, 489, 492, 525, 0,
|
|
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
|
|
/* 800x600@60Hz */
|
|
{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
|
|
968, 1056, 0, 600, 601, 605, 628, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1024x768@60Hz */
|
|
{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
|
|
1184, 1344, 0, 768, 771, 777, 806, 0,
|
|
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
|
|
/* 1152x864@75Hz */
|
|
{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
|
|
1344, 1600, 0, 864, 865, 868, 900, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1280x768@60Hz */
|
|
{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
|
|
1472, 1664, 0, 768, 771, 778, 798, 0,
|
|
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1280x800@60Hz */
|
|
{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
|
|
1480, 1680, 0, 800, 803, 809, 831, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
|
|
/* 1280x960@60Hz */
|
|
{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
|
|
1488, 1800, 0, 960, 961, 964, 1000, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1280x1024@60Hz */
|
|
{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
|
|
1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1360x768@60Hz */
|
|
{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
|
|
1536, 1792, 0, 768, 771, 777, 795, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1440x1050@60Hz */
|
|
{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
|
|
1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
|
|
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1440x900@60Hz */
|
|
{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
|
|
1672, 1904, 0, 900, 903, 909, 934, 0,
|
|
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1600x1200@60Hz */
|
|
{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
|
|
1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
|
|
DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1680x1050@60Hz */
|
|
{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
|
|
1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
|
|
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1792x1344@60Hz */
|
|
{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
|
|
2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
|
|
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1853x1392@60Hz */
|
|
{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
|
|
2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
|
|
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1920x1200@60Hz */
|
|
{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
|
|
2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
|
|
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 1920x1440@60Hz */
|
|
{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
|
|
2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
|
|
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* 2560x1600@60Hz */
|
|
{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
|
|
3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
|
|
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
|
|
/* Terminate */
|
|
{ DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
|
|
};
|
|
|
|
/**
|
|
* vmw_guess_mode_timing - Provide fake timings for a
|
|
* 60Hz vrefresh mode.
|
|
*
|
|
* @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
|
|
* members filled in.
|
|
*/
|
|
void vmw_guess_mode_timing(struct drm_display_mode *mode)
|
|
{
|
|
mode->hsync_start = mode->hdisplay + 50;
|
|
mode->hsync_end = mode->hsync_start + 50;
|
|
mode->htotal = mode->hsync_end + 50;
|
|
|
|
mode->vsync_start = mode->vdisplay + 50;
|
|
mode->vsync_end = mode->vsync_start + 50;
|
|
mode->vtotal = mode->vsync_end + 50;
|
|
|
|
mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
|
|
mode->vrefresh = drm_mode_vrefresh(mode);
|
|
}
|
|
|
|
|
|
int vmw_du_connector_fill_modes(struct drm_connector *connector,
|
|
uint32_t max_width, uint32_t max_height)
|
|
{
|
|
struct vmw_display_unit *du = vmw_connector_to_du(connector);
|
|
struct drm_device *dev = connector->dev;
|
|
struct vmw_private *dev_priv = vmw_priv(dev);
|
|
struct drm_display_mode *mode = NULL;
|
|
struct drm_display_mode *bmode;
|
|
struct drm_display_mode prefmode = { DRM_MODE("preferred",
|
|
DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
|
|
};
|
|
int i;
|
|
u32 assumed_bpp = 4;
|
|
|
|
if (dev_priv->assume_16bpp)
|
|
assumed_bpp = 2;
|
|
|
|
if (dev_priv->active_display_unit == vmw_du_screen_target) {
|
|
max_width = min(max_width, dev_priv->stdu_max_width);
|
|
max_height = min(max_height, dev_priv->stdu_max_height);
|
|
}
|
|
|
|
/* Add preferred mode */
|
|
mode = drm_mode_duplicate(dev, &prefmode);
|
|
if (!mode)
|
|
return 0;
|
|
mode->hdisplay = du->pref_width;
|
|
mode->vdisplay = du->pref_height;
|
|
vmw_guess_mode_timing(mode);
|
|
|
|
if (vmw_kms_validate_mode_vram(dev_priv,
|
|
mode->hdisplay * assumed_bpp,
|
|
mode->vdisplay)) {
|
|
drm_mode_probed_add(connector, mode);
|
|
} else {
|
|
drm_mode_destroy(dev, mode);
|
|
mode = NULL;
|
|
}
|
|
|
|
if (du->pref_mode) {
|
|
list_del_init(&du->pref_mode->head);
|
|
drm_mode_destroy(dev, du->pref_mode);
|
|
}
|
|
|
|
/* mode might be null here, this is intended */
|
|
du->pref_mode = mode;
|
|
|
|
for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
|
|
bmode = &vmw_kms_connector_builtin[i];
|
|
if (bmode->hdisplay > max_width ||
|
|
bmode->vdisplay > max_height)
|
|
continue;
|
|
|
|
if (!vmw_kms_validate_mode_vram(dev_priv,
|
|
bmode->hdisplay * assumed_bpp,
|
|
bmode->vdisplay))
|
|
continue;
|
|
|
|
mode = drm_mode_duplicate(dev, bmode);
|
|
if (!mode)
|
|
return 0;
|
|
mode->vrefresh = drm_mode_vrefresh(mode);
|
|
|
|
drm_mode_probed_add(connector, mode);
|
|
}
|
|
|
|
drm_mode_connector_list_update(connector);
|
|
/* Move the prefered mode first, help apps pick the right mode. */
|
|
drm_mode_sort(&connector->modes);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int vmw_du_connector_set_property(struct drm_connector *connector,
|
|
struct drm_property *property,
|
|
uint64_t val)
|
|
{
|
|
struct vmw_display_unit *du = vmw_connector_to_du(connector);
|
|
struct vmw_private *dev_priv = vmw_priv(connector->dev);
|
|
|
|
if (property == dev_priv->implicit_placement_property)
|
|
du->is_implicit = val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
|
|
struct drm_file *file_priv)
|
|
{
|
|
struct vmw_private *dev_priv = vmw_priv(dev);
|
|
struct drm_vmw_update_layout_arg *arg =
|
|
(struct drm_vmw_update_layout_arg *)data;
|
|
void __user *user_rects;
|
|
struct drm_vmw_rect *rects;
|
|
unsigned rects_size;
|
|
int ret;
|
|
int i;
|
|
u64 total_pixels = 0;
|
|
struct drm_mode_config *mode_config = &dev->mode_config;
|
|
struct drm_vmw_rect bounding_box = {0};
|
|
|
|
if (!arg->num_outputs) {
|
|
struct drm_vmw_rect def_rect = {0, 0, 800, 600};
|
|
vmw_du_update_layout(dev_priv, 1, &def_rect);
|
|
return 0;
|
|
}
|
|
|
|
rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
|
|
rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
|
|
GFP_KERNEL);
|
|
if (unlikely(!rects))
|
|
return -ENOMEM;
|
|
|
|
user_rects = (void __user *)(unsigned long)arg->rects;
|
|
ret = copy_from_user(rects, user_rects, rects_size);
|
|
if (unlikely(ret != 0)) {
|
|
DRM_ERROR("Failed to get rects.\n");
|
|
ret = -EFAULT;
|
|
goto out_free;
|
|
}
|
|
|
|
for (i = 0; i < arg->num_outputs; ++i) {
|
|
if (rects[i].x < 0 ||
|
|
rects[i].y < 0 ||
|
|
rects[i].x + rects[i].w > mode_config->max_width ||
|
|
rects[i].y + rects[i].h > mode_config->max_height) {
|
|
DRM_ERROR("Invalid GUI layout.\n");
|
|
ret = -EINVAL;
|
|
goto out_free;
|
|
}
|
|
|
|
/*
|
|
* bounding_box.w and bunding_box.h are used as
|
|
* lower-right coordinates
|
|
*/
|
|
if (rects[i].x + rects[i].w > bounding_box.w)
|
|
bounding_box.w = rects[i].x + rects[i].w;
|
|
|
|
if (rects[i].y + rects[i].h > bounding_box.h)
|
|
bounding_box.h = rects[i].y + rects[i].h;
|
|
|
|
total_pixels += (u64) rects[i].w * (u64) rects[i].h;
|
|
}
|
|
|
|
if (dev_priv->active_display_unit == vmw_du_screen_target) {
|
|
/*
|
|
* For Screen Targets, the limits for a toplogy are:
|
|
* 1. Bounding box (assuming 32bpp) must be < prim_bb_mem
|
|
* 2. Total pixels (assuming 32bpp) must be < prim_bb_mem
|
|
*/
|
|
u64 bb_mem = bounding_box.w * bounding_box.h * 4;
|
|
u64 pixel_mem = total_pixels * 4;
|
|
|
|
if (bb_mem > dev_priv->prim_bb_mem) {
|
|
DRM_ERROR("Topology is beyond supported limits.\n");
|
|
ret = -EINVAL;
|
|
goto out_free;
|
|
}
|
|
|
|
if (pixel_mem > dev_priv->prim_bb_mem) {
|
|
DRM_ERROR("Combined output size too large\n");
|
|
ret = -EINVAL;
|
|
goto out_free;
|
|
}
|
|
}
|
|
|
|
vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
|
|
|
|
out_free:
|
|
kfree(rects);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_helper_dirty - Helper to build commands and perform actions based
|
|
* on a set of cliprects and a set of display units.
|
|
*
|
|
* @dev_priv: Pointer to a device private structure.
|
|
* @framebuffer: Pointer to the framebuffer on which to perform the actions.
|
|
* @clips: A set of struct drm_clip_rect. Either this os @vclips must be NULL.
|
|
* Cliprects are given in framebuffer coordinates.
|
|
* @vclips: A set of struct drm_vmw_rect cliprects. Either this or @clips must
|
|
* be NULL. Cliprects are given in source coordinates.
|
|
* @dest_x: X coordinate offset for the crtc / destination clip rects.
|
|
* @dest_y: Y coordinate offset for the crtc / destination clip rects.
|
|
* @num_clips: Number of cliprects in the @clips or @vclips array.
|
|
* @increment: Integer with which to increment the clip counter when looping.
|
|
* Used to skip a predetermined number of clip rects.
|
|
* @dirty: Closure structure. See the description of struct vmw_kms_dirty.
|
|
*/
|
|
int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
|
|
struct vmw_framebuffer *framebuffer,
|
|
const struct drm_clip_rect *clips,
|
|
const struct drm_vmw_rect *vclips,
|
|
s32 dest_x, s32 dest_y,
|
|
int num_clips,
|
|
int increment,
|
|
struct vmw_kms_dirty *dirty)
|
|
{
|
|
struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
|
|
struct drm_crtc *crtc;
|
|
u32 num_units = 0;
|
|
u32 i, k;
|
|
|
|
dirty->dev_priv = dev_priv;
|
|
|
|
list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
|
|
if (crtc->primary->fb != &framebuffer->base)
|
|
continue;
|
|
units[num_units++] = vmw_crtc_to_du(crtc);
|
|
}
|
|
|
|
for (k = 0; k < num_units; k++) {
|
|
struct vmw_display_unit *unit = units[k];
|
|
s32 crtc_x = unit->crtc.x;
|
|
s32 crtc_y = unit->crtc.y;
|
|
s32 crtc_width = unit->crtc.mode.hdisplay;
|
|
s32 crtc_height = unit->crtc.mode.vdisplay;
|
|
const struct drm_clip_rect *clips_ptr = clips;
|
|
const struct drm_vmw_rect *vclips_ptr = vclips;
|
|
|
|
dirty->unit = unit;
|
|
if (dirty->fifo_reserve_size > 0) {
|
|
dirty->cmd = vmw_fifo_reserve(dev_priv,
|
|
dirty->fifo_reserve_size);
|
|
if (!dirty->cmd) {
|
|
DRM_ERROR("Couldn't reserve fifo space "
|
|
"for dirty blits.\n");
|
|
return -ENOMEM;
|
|
}
|
|
memset(dirty->cmd, 0, dirty->fifo_reserve_size);
|
|
}
|
|
dirty->num_hits = 0;
|
|
for (i = 0; i < num_clips; i++, clips_ptr += increment,
|
|
vclips_ptr += increment) {
|
|
s32 clip_left;
|
|
s32 clip_top;
|
|
|
|
/*
|
|
* Select clip array type. Note that integer type
|
|
* in @clips is unsigned short, whereas in @vclips
|
|
* it's 32-bit.
|
|
*/
|
|
if (clips) {
|
|
dirty->fb_x = (s32) clips_ptr->x1;
|
|
dirty->fb_y = (s32) clips_ptr->y1;
|
|
dirty->unit_x2 = (s32) clips_ptr->x2 + dest_x -
|
|
crtc_x;
|
|
dirty->unit_y2 = (s32) clips_ptr->y2 + dest_y -
|
|
crtc_y;
|
|
} else {
|
|
dirty->fb_x = vclips_ptr->x;
|
|
dirty->fb_y = vclips_ptr->y;
|
|
dirty->unit_x2 = dirty->fb_x + vclips_ptr->w +
|
|
dest_x - crtc_x;
|
|
dirty->unit_y2 = dirty->fb_y + vclips_ptr->h +
|
|
dest_y - crtc_y;
|
|
}
|
|
|
|
dirty->unit_x1 = dirty->fb_x + dest_x - crtc_x;
|
|
dirty->unit_y1 = dirty->fb_y + dest_y - crtc_y;
|
|
|
|
/* Skip this clip if it's outside the crtc region */
|
|
if (dirty->unit_x1 >= crtc_width ||
|
|
dirty->unit_y1 >= crtc_height ||
|
|
dirty->unit_x2 <= 0 || dirty->unit_y2 <= 0)
|
|
continue;
|
|
|
|
/* Clip right and bottom to crtc limits */
|
|
dirty->unit_x2 = min_t(s32, dirty->unit_x2,
|
|
crtc_width);
|
|
dirty->unit_y2 = min_t(s32, dirty->unit_y2,
|
|
crtc_height);
|
|
|
|
/* Clip left and top to crtc limits */
|
|
clip_left = min_t(s32, dirty->unit_x1, 0);
|
|
clip_top = min_t(s32, dirty->unit_y1, 0);
|
|
dirty->unit_x1 -= clip_left;
|
|
dirty->unit_y1 -= clip_top;
|
|
dirty->fb_x -= clip_left;
|
|
dirty->fb_y -= clip_top;
|
|
|
|
dirty->clip(dirty);
|
|
}
|
|
|
|
dirty->fifo_commit(dirty);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_helper_buffer_prepare - Reserve and validate a buffer object before
|
|
* command submission.
|
|
*
|
|
* @dev_priv. Pointer to a device private structure.
|
|
* @buf: The buffer object
|
|
* @interruptible: Whether to perform waits as interruptible.
|
|
* @validate_as_mob: Whether the buffer should be validated as a MOB. If false,
|
|
* The buffer will be validated as a GMR. Already pinned buffers will not be
|
|
* validated.
|
|
*
|
|
* Returns 0 on success, negative error code on failure, -ERESTARTSYS if
|
|
* interrupted by a signal.
|
|
*/
|
|
int vmw_kms_helper_buffer_prepare(struct vmw_private *dev_priv,
|
|
struct vmw_dma_buffer *buf,
|
|
bool interruptible,
|
|
bool validate_as_mob)
|
|
{
|
|
struct ttm_buffer_object *bo = &buf->base;
|
|
int ret;
|
|
|
|
ttm_bo_reserve(bo, false, false, NULL);
|
|
ret = vmw_validate_single_buffer(dev_priv, bo, interruptible,
|
|
validate_as_mob);
|
|
if (ret)
|
|
ttm_bo_unreserve(bo);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_helper_buffer_revert - Undo the actions of
|
|
* vmw_kms_helper_buffer_prepare.
|
|
*
|
|
* @res: Pointer to the buffer object.
|
|
*
|
|
* Helper to be used if an error forces the caller to undo the actions of
|
|
* vmw_kms_helper_buffer_prepare.
|
|
*/
|
|
void vmw_kms_helper_buffer_revert(struct vmw_dma_buffer *buf)
|
|
{
|
|
if (buf)
|
|
ttm_bo_unreserve(&buf->base);
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_helper_buffer_finish - Unreserve and fence a buffer object after
|
|
* kms command submission.
|
|
*
|
|
* @dev_priv: Pointer to a device private structure.
|
|
* @file_priv: Pointer to a struct drm_file representing the caller's
|
|
* connection. Must be set to NULL if @user_fence_rep is NULL, and conversely
|
|
* if non-NULL, @user_fence_rep must be non-NULL.
|
|
* @buf: The buffer object.
|
|
* @out_fence: Optional pointer to a fence pointer. If non-NULL, a
|
|
* ref-counted fence pointer is returned here.
|
|
* @user_fence_rep: Optional pointer to a user-space provided struct
|
|
* drm_vmw_fence_rep. If provided, @file_priv must also be provided and the
|
|
* function copies fence data to user-space in a fail-safe manner.
|
|
*/
|
|
void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv,
|
|
struct drm_file *file_priv,
|
|
struct vmw_dma_buffer *buf,
|
|
struct vmw_fence_obj **out_fence,
|
|
struct drm_vmw_fence_rep __user *
|
|
user_fence_rep)
|
|
{
|
|
struct vmw_fence_obj *fence;
|
|
uint32_t handle;
|
|
int ret;
|
|
|
|
ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,
|
|
file_priv ? &handle : NULL);
|
|
if (buf)
|
|
vmw_fence_single_bo(&buf->base, fence);
|
|
if (file_priv)
|
|
vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv),
|
|
ret, user_fence_rep, fence,
|
|
handle);
|
|
if (out_fence)
|
|
*out_fence = fence;
|
|
else
|
|
vmw_fence_obj_unreference(&fence);
|
|
|
|
vmw_kms_helper_buffer_revert(buf);
|
|
}
|
|
|
|
|
|
/**
|
|
* vmw_kms_helper_resource_revert - Undo the actions of
|
|
* vmw_kms_helper_resource_prepare.
|
|
*
|
|
* @res: Pointer to the resource. Typically a surface.
|
|
*
|
|
* Helper to be used if an error forces the caller to undo the actions of
|
|
* vmw_kms_helper_resource_prepare.
|
|
*/
|
|
void vmw_kms_helper_resource_revert(struct vmw_resource *res)
|
|
{
|
|
vmw_kms_helper_buffer_revert(res->backup);
|
|
vmw_resource_unreserve(res, false, NULL, 0);
|
|
mutex_unlock(&res->dev_priv->cmdbuf_mutex);
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_helper_resource_prepare - Reserve and validate a resource before
|
|
* command submission.
|
|
*
|
|
* @res: Pointer to the resource. Typically a surface.
|
|
* @interruptible: Whether to perform waits as interruptible.
|
|
*
|
|
* Reserves and validates also the backup buffer if a guest-backed resource.
|
|
* Returns 0 on success, negative error code on failure. -ERESTARTSYS if
|
|
* interrupted by a signal.
|
|
*/
|
|
int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
|
|
bool interruptible)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (interruptible)
|
|
ret = mutex_lock_interruptible(&res->dev_priv->cmdbuf_mutex);
|
|
else
|
|
mutex_lock(&res->dev_priv->cmdbuf_mutex);
|
|
|
|
if (unlikely(ret != 0))
|
|
return -ERESTARTSYS;
|
|
|
|
ret = vmw_resource_reserve(res, interruptible, false);
|
|
if (ret)
|
|
goto out_unlock;
|
|
|
|
if (res->backup) {
|
|
ret = vmw_kms_helper_buffer_prepare(res->dev_priv, res->backup,
|
|
interruptible,
|
|
res->dev_priv->has_mob);
|
|
if (ret)
|
|
goto out_unreserve;
|
|
}
|
|
ret = vmw_resource_validate(res);
|
|
if (ret)
|
|
goto out_revert;
|
|
return 0;
|
|
|
|
out_revert:
|
|
vmw_kms_helper_buffer_revert(res->backup);
|
|
out_unreserve:
|
|
vmw_resource_unreserve(res, false, NULL, 0);
|
|
out_unlock:
|
|
mutex_unlock(&res->dev_priv->cmdbuf_mutex);
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_helper_resource_finish - Unreserve and fence a resource after
|
|
* kms command submission.
|
|
*
|
|
* @res: Pointer to the resource. Typically a surface.
|
|
* @out_fence: Optional pointer to a fence pointer. If non-NULL, a
|
|
* ref-counted fence pointer is returned here.
|
|
*/
|
|
void vmw_kms_helper_resource_finish(struct vmw_resource *res,
|
|
struct vmw_fence_obj **out_fence)
|
|
{
|
|
if (res->backup || out_fence)
|
|
vmw_kms_helper_buffer_finish(res->dev_priv, NULL, res->backup,
|
|
out_fence, NULL);
|
|
|
|
vmw_resource_unreserve(res, false, NULL, 0);
|
|
mutex_unlock(&res->dev_priv->cmdbuf_mutex);
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_update_proxy - Helper function to update a proxy surface from
|
|
* its backing MOB.
|
|
*
|
|
* @res: Pointer to the surface resource
|
|
* @clips: Clip rects in framebuffer (surface) space.
|
|
* @num_clips: Number of clips in @clips.
|
|
* @increment: Integer with which to increment the clip counter when looping.
|
|
* Used to skip a predetermined number of clip rects.
|
|
*
|
|
* This function makes sure the proxy surface is updated from its backing MOB
|
|
* using the region given by @clips. The surface resource @res and its backing
|
|
* MOB needs to be reserved and validated on call.
|
|
*/
|
|
int vmw_kms_update_proxy(struct vmw_resource *res,
|
|
const struct drm_clip_rect *clips,
|
|
unsigned num_clips,
|
|
int increment)
|
|
{
|
|
struct vmw_private *dev_priv = res->dev_priv;
|
|
struct drm_vmw_size *size = &vmw_res_to_srf(res)->base_size;
|
|
struct {
|
|
SVGA3dCmdHeader header;
|
|
SVGA3dCmdUpdateGBImage body;
|
|
} *cmd;
|
|
SVGA3dBox *box;
|
|
size_t copy_size = 0;
|
|
int i;
|
|
|
|
if (!clips)
|
|
return 0;
|
|
|
|
cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd) * num_clips);
|
|
if (!cmd) {
|
|
DRM_ERROR("Couldn't reserve fifo space for proxy surface "
|
|
"update.\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
for (i = 0; i < num_clips; ++i, clips += increment, ++cmd) {
|
|
box = &cmd->body.box;
|
|
|
|
cmd->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
|
|
cmd->header.size = sizeof(cmd->body);
|
|
cmd->body.image.sid = res->id;
|
|
cmd->body.image.face = 0;
|
|
cmd->body.image.mipmap = 0;
|
|
|
|
if (clips->x1 > size->width || clips->x2 > size->width ||
|
|
clips->y1 > size->height || clips->y2 > size->height) {
|
|
DRM_ERROR("Invalid clips outsize of framebuffer.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
box->x = clips->x1;
|
|
box->y = clips->y1;
|
|
box->z = 0;
|
|
box->w = clips->x2 - clips->x1;
|
|
box->h = clips->y2 - clips->y1;
|
|
box->d = 1;
|
|
|
|
copy_size += sizeof(*cmd);
|
|
}
|
|
|
|
vmw_fifo_commit(dev_priv, copy_size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
|
|
unsigned unit,
|
|
u32 max_width,
|
|
u32 max_height,
|
|
struct drm_connector **p_con,
|
|
struct drm_crtc **p_crtc,
|
|
struct drm_display_mode **p_mode)
|
|
{
|
|
struct drm_connector *con;
|
|
struct vmw_display_unit *du;
|
|
struct drm_display_mode *mode;
|
|
int i = 0;
|
|
|
|
list_for_each_entry(con, &dev_priv->dev->mode_config.connector_list,
|
|
head) {
|
|
if (i == unit)
|
|
break;
|
|
|
|
++i;
|
|
}
|
|
|
|
if (i != unit) {
|
|
DRM_ERROR("Could not find initial display unit.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (list_empty(&con->modes))
|
|
(void) vmw_du_connector_fill_modes(con, max_width, max_height);
|
|
|
|
if (list_empty(&con->modes)) {
|
|
DRM_ERROR("Could not find initial display mode.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
du = vmw_connector_to_du(con);
|
|
*p_con = con;
|
|
*p_crtc = &du->crtc;
|
|
|
|
list_for_each_entry(mode, &con->modes, head) {
|
|
if (mode->type & DRM_MODE_TYPE_PREFERRED)
|
|
break;
|
|
}
|
|
|
|
if (mode->type & DRM_MODE_TYPE_PREFERRED)
|
|
*p_mode = mode;
|
|
else {
|
|
WARN_ONCE(true, "Could not find initial preferred mode.\n");
|
|
*p_mode = list_first_entry(&con->modes,
|
|
struct drm_display_mode,
|
|
head);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_del_active - unregister a crtc binding to the implicit framebuffer
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @du: The display unit of the crtc.
|
|
*/
|
|
void vmw_kms_del_active(struct vmw_private *dev_priv,
|
|
struct vmw_display_unit *du)
|
|
{
|
|
mutex_lock(&dev_priv->global_kms_state_mutex);
|
|
if (du->active_implicit) {
|
|
if (--(dev_priv->num_implicit) == 0)
|
|
dev_priv->implicit_fb = NULL;
|
|
du->active_implicit = false;
|
|
}
|
|
mutex_unlock(&dev_priv->global_kms_state_mutex);
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_add_active - register a crtc binding to an implicit framebuffer
|
|
*
|
|
* @vmw_priv: Pointer to a device private struct.
|
|
* @du: The display unit of the crtc.
|
|
* @vfb: The implicit framebuffer
|
|
*
|
|
* Registers a binding to an implicit framebuffer.
|
|
*/
|
|
void vmw_kms_add_active(struct vmw_private *dev_priv,
|
|
struct vmw_display_unit *du,
|
|
struct vmw_framebuffer *vfb)
|
|
{
|
|
mutex_lock(&dev_priv->global_kms_state_mutex);
|
|
WARN_ON_ONCE(!dev_priv->num_implicit && dev_priv->implicit_fb);
|
|
|
|
if (!du->active_implicit && du->is_implicit) {
|
|
dev_priv->implicit_fb = vfb;
|
|
du->active_implicit = true;
|
|
dev_priv->num_implicit++;
|
|
}
|
|
mutex_unlock(&dev_priv->global_kms_state_mutex);
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_screen_object_flippable - Check whether we can page-flip a crtc.
|
|
*
|
|
* @dev_priv: Pointer to device-private struct.
|
|
* @crtc: The crtc we want to flip.
|
|
*
|
|
* Returns true or false depending whether it's OK to flip this crtc
|
|
* based on the criterion that we must not have more than one implicit
|
|
* frame-buffer at any one time.
|
|
*/
|
|
bool vmw_kms_crtc_flippable(struct vmw_private *dev_priv,
|
|
struct drm_crtc *crtc)
|
|
{
|
|
struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
|
|
bool ret;
|
|
|
|
mutex_lock(&dev_priv->global_kms_state_mutex);
|
|
ret = !du->is_implicit || dev_priv->num_implicit == 1;
|
|
mutex_unlock(&dev_priv->global_kms_state_mutex);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_update_implicit_fb - Update the implicit fb.
|
|
*
|
|
* @dev_priv: Pointer to device-private struct.
|
|
* @crtc: The crtc the new implicit frame-buffer is bound to.
|
|
*/
|
|
void vmw_kms_update_implicit_fb(struct vmw_private *dev_priv,
|
|
struct drm_crtc *crtc)
|
|
{
|
|
struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
|
|
struct vmw_framebuffer *vfb;
|
|
|
|
mutex_lock(&dev_priv->global_kms_state_mutex);
|
|
|
|
if (!du->is_implicit)
|
|
goto out_unlock;
|
|
|
|
vfb = vmw_framebuffer_to_vfb(crtc->primary->fb);
|
|
WARN_ON_ONCE(dev_priv->num_implicit != 1 &&
|
|
dev_priv->implicit_fb != vfb);
|
|
|
|
dev_priv->implicit_fb = vfb;
|
|
out_unlock:
|
|
mutex_unlock(&dev_priv->global_kms_state_mutex);
|
|
}
|
|
|
|
/**
|
|
* vmw_kms_create_implicit_placement_proparty - Set up the implicit placement
|
|
* property.
|
|
*
|
|
* @dev_priv: Pointer to a device private struct.
|
|
* @immutable: Whether the property is immutable.
|
|
*
|
|
* Sets up the implicit placement property unless it's already set up.
|
|
*/
|
|
void
|
|
vmw_kms_create_implicit_placement_property(struct vmw_private *dev_priv,
|
|
bool immutable)
|
|
{
|
|
if (dev_priv->implicit_placement_property)
|
|
return;
|
|
|
|
dev_priv->implicit_placement_property =
|
|
drm_property_create_range(dev_priv->dev,
|
|
immutable ?
|
|
DRM_MODE_PROP_IMMUTABLE : 0,
|
|
"implicit_placement", 0, 1);
|
|
|
|
}
|