diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c | 1362 |
1 files changed, 1362 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c new file mode 100644 index 000000000..e1f36a09c --- /dev/null +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c @@ -0,0 +1,1362 @@ +// SPDX-License-Identifier: GPL-2.0 OR MIT +/************************************************************************** + * + * Copyright 2011-2022 VMware, Inc., Palo Alto, CA., USA + * + * 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 above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * 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. + * + **************************************************************************/ + +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_damage_helper.h> +#include <drm/drm_fourcc.h> + +#include "vmwgfx_kms.h" + +#define vmw_crtc_to_sou(x) \ + container_of(x, struct vmw_screen_object_unit, base.crtc) +#define vmw_encoder_to_sou(x) \ + container_of(x, struct vmw_screen_object_unit, base.encoder) +#define vmw_connector_to_sou(x) \ + container_of(x, struct vmw_screen_object_unit, base.connector) + +/** + * struct vmw_kms_sou_surface_dirty - Closure structure for + * blit surface to screen command. + * @base: The base type we derive from. Used by vmw_kms_helper_dirty(). + * @left: Left side of bounding box. + * @right: Right side of bounding box. + * @top: Top side of bounding box. + * @bottom: Bottom side of bounding box. + * @dst_x: Difference between source clip rects and framebuffer coordinates. + * @dst_y: Difference between source clip rects and framebuffer coordinates. + * @sid: Surface id of surface to copy from. + */ +struct vmw_kms_sou_surface_dirty { + struct vmw_kms_dirty base; + s32 left, right, top, bottom; + s32 dst_x, dst_y; + u32 sid; +}; + +/* + * SVGA commands that are used by this code. Please see the device headers + * for explanation. + */ +struct vmw_kms_sou_readback_blit { + uint32 header; + SVGAFifoCmdBlitScreenToGMRFB body; +}; + +struct vmw_kms_sou_bo_blit { + uint32 header; + SVGAFifoCmdBlitGMRFBToScreen body; +}; + +struct vmw_kms_sou_dirty_cmd { + SVGA3dCmdHeader header; + SVGA3dCmdBlitSurfaceToScreen body; +}; + +struct vmw_kms_sou_define_gmrfb { + uint32_t header; + SVGAFifoCmdDefineGMRFB body; +}; + +/* + * Display unit using screen objects. + */ +struct vmw_screen_object_unit { + struct vmw_display_unit base; + + unsigned long buffer_size; /**< Size of allocated buffer */ + struct vmw_buffer_object *buffer; /**< Backing store buffer */ + + bool defined; +}; + +static void vmw_sou_destroy(struct vmw_screen_object_unit *sou) +{ + vmw_du_cleanup(&sou->base); + kfree(sou); +} + + +/* + * Screen Object Display Unit CRTC functions + */ + +static void vmw_sou_crtc_destroy(struct drm_crtc *crtc) +{ + vmw_sou_destroy(vmw_crtc_to_sou(crtc)); +} + +/* + * Send the fifo command to create a screen. + */ +static int vmw_sou_fifo_create(struct vmw_private *dev_priv, + struct vmw_screen_object_unit *sou, + int x, int y, + struct drm_display_mode *mode) +{ + size_t fifo_size; + + struct { + struct { + uint32_t cmdType; + } header; + SVGAScreenObject obj; + } *cmd; + + BUG_ON(!sou->buffer); + + fifo_size = sizeof(*cmd); + cmd = VMW_CMD_RESERVE(dev_priv, fifo_size); + if (unlikely(cmd == NULL)) + return -ENOMEM; + + memset(cmd, 0, fifo_size); + cmd->header.cmdType = SVGA_CMD_DEFINE_SCREEN; + cmd->obj.structSize = sizeof(SVGAScreenObject); + cmd->obj.id = sou->base.unit; + cmd->obj.flags = SVGA_SCREEN_HAS_ROOT | + (sou->base.unit == 0 ? SVGA_SCREEN_IS_PRIMARY : 0); + cmd->obj.size.width = mode->hdisplay; + cmd->obj.size.height = mode->vdisplay; + cmd->obj.root.x = x; + cmd->obj.root.y = y; + sou->base.set_gui_x = cmd->obj.root.x; + sou->base.set_gui_y = cmd->obj.root.y; + + /* Ok to assume that buffer is pinned in vram */ + vmw_bo_get_guest_ptr(&sou->buffer->base, &cmd->obj.backingStore.ptr); + cmd->obj.backingStore.pitch = mode->hdisplay * 4; + + vmw_cmd_commit(dev_priv, fifo_size); + + sou->defined = true; + + return 0; +} + +/* + * Send the fifo command to destroy a screen. + */ +static int vmw_sou_fifo_destroy(struct vmw_private *dev_priv, + struct vmw_screen_object_unit *sou) +{ + size_t fifo_size; + int ret; + + struct { + struct { + uint32_t cmdType; + } header; + SVGAFifoCmdDestroyScreen body; + } *cmd; + + /* no need to do anything */ + if (unlikely(!sou->defined)) + return 0; + + fifo_size = sizeof(*cmd); + cmd = VMW_CMD_RESERVE(dev_priv, fifo_size); + if (unlikely(cmd == NULL)) + return -ENOMEM; + + memset(cmd, 0, fifo_size); + cmd->header.cmdType = SVGA_CMD_DESTROY_SCREEN; + cmd->body.screenId = sou->base.unit; + + vmw_cmd_commit(dev_priv, fifo_size); + + /* Force sync */ + ret = vmw_fallback_wait(dev_priv, false, true, 0, false, 3*HZ); + if (unlikely(ret != 0)) + DRM_ERROR("Failed to sync with HW"); + else + sou->defined = false; + + return ret; +} + +/** + * vmw_sou_crtc_mode_set_nofb - Create new screen + * + * @crtc: CRTC associated with the new screen + * + * This function creates/destroys a screen. This function cannot fail, so if + * somehow we run into a failure, just do the best we can to get out. + */ +static void vmw_sou_crtc_mode_set_nofb(struct drm_crtc *crtc) +{ + struct vmw_private *dev_priv; + struct vmw_screen_object_unit *sou; + struct vmw_framebuffer *vfb; + struct drm_framebuffer *fb; + struct drm_plane_state *ps; + struct vmw_plane_state *vps; + int ret; + + sou = vmw_crtc_to_sou(crtc); + dev_priv = vmw_priv(crtc->dev); + ps = crtc->primary->state; + fb = ps->fb; + vps = vmw_plane_state_to_vps(ps); + + vfb = (fb) ? vmw_framebuffer_to_vfb(fb) : NULL; + + if (sou->defined) { + ret = vmw_sou_fifo_destroy(dev_priv, sou); + if (ret) { + DRM_ERROR("Failed to destroy Screen Object\n"); + return; + } + } + + if (vfb) { + struct drm_connector_state *conn_state; + struct vmw_connector_state *vmw_conn_state; + int x, y; + + sou->buffer = vps->bo; + sou->buffer_size = vps->bo_size; + + conn_state = sou->base.connector.state; + vmw_conn_state = vmw_connector_state_to_vcs(conn_state); + + x = vmw_conn_state->gui_x; + y = vmw_conn_state->gui_y; + + ret = vmw_sou_fifo_create(dev_priv, sou, x, y, &crtc->mode); + if (ret) + DRM_ERROR("Failed to define Screen Object %dx%d\n", + crtc->x, crtc->y); + + } else { + sou->buffer = NULL; + sou->buffer_size = 0; + } +} + +/** + * vmw_sou_crtc_helper_prepare - Noop + * + * @crtc: CRTC associated with the new screen + * + * Prepares the CRTC for a mode set, but we don't need to do anything here. + */ +static void vmw_sou_crtc_helper_prepare(struct drm_crtc *crtc) +{ +} + +/** + * vmw_sou_crtc_atomic_enable - Noop + * + * @crtc: CRTC associated with the new screen + * @state: Unused + * + * This is called after a mode set has been completed. + */ +static void vmw_sou_crtc_atomic_enable(struct drm_crtc *crtc, + struct drm_atomic_state *state) +{ +} + +/** + * vmw_sou_crtc_atomic_disable - Turns off CRTC + * + * @crtc: CRTC to be turned off + * @state: Unused + */ +static void vmw_sou_crtc_atomic_disable(struct drm_crtc *crtc, + struct drm_atomic_state *state) +{ + struct vmw_private *dev_priv; + struct vmw_screen_object_unit *sou; + int ret; + + + if (!crtc) { + DRM_ERROR("CRTC is NULL\n"); + return; + } + + sou = vmw_crtc_to_sou(crtc); + dev_priv = vmw_priv(crtc->dev); + + if (sou->defined) { + ret = vmw_sou_fifo_destroy(dev_priv, sou); + if (ret) + DRM_ERROR("Failed to destroy Screen Object\n"); + } +} + +static const struct drm_crtc_funcs vmw_screen_object_crtc_funcs = { + .gamma_set = vmw_du_crtc_gamma_set, + .destroy = vmw_sou_crtc_destroy, + .reset = vmw_du_crtc_reset, + .atomic_duplicate_state = vmw_du_crtc_duplicate_state, + .atomic_destroy_state = vmw_du_crtc_destroy_state, + .set_config = drm_atomic_helper_set_config, + .page_flip = drm_atomic_helper_page_flip, +}; + +/* + * Screen Object Display Unit encoder functions + */ + +static void vmw_sou_encoder_destroy(struct drm_encoder *encoder) +{ + vmw_sou_destroy(vmw_encoder_to_sou(encoder)); +} + +static const struct drm_encoder_funcs vmw_screen_object_encoder_funcs = { + .destroy = vmw_sou_encoder_destroy, +}; + +/* + * Screen Object Display Unit connector functions + */ + +static void vmw_sou_connector_destroy(struct drm_connector *connector) +{ + vmw_sou_destroy(vmw_connector_to_sou(connector)); +} + +static const struct drm_connector_funcs vmw_sou_connector_funcs = { + .dpms = vmw_du_connector_dpms, + .detect = vmw_du_connector_detect, + .fill_modes = vmw_du_connector_fill_modes, + .destroy = vmw_sou_connector_destroy, + .reset = vmw_du_connector_reset, + .atomic_duplicate_state = vmw_du_connector_duplicate_state, + .atomic_destroy_state = vmw_du_connector_destroy_state, +}; + + +static const struct +drm_connector_helper_funcs vmw_sou_connector_helper_funcs = { +}; + + + +/* + * Screen Object Display Plane Functions + */ + +/** + * vmw_sou_primary_plane_cleanup_fb - Frees sou backing buffer + * + * @plane: display plane + * @old_state: Contains the FB to clean up + * + * Unpins the display surface + * + * Returns 0 on success + */ +static void +vmw_sou_primary_plane_cleanup_fb(struct drm_plane *plane, + struct drm_plane_state *old_state) +{ + struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state); + struct drm_crtc *crtc = plane->state->crtc ? + plane->state->crtc : old_state->crtc; + + if (vps->bo) + vmw_bo_unpin(vmw_priv(crtc->dev), vps->bo, false); + vmw_bo_unreference(&vps->bo); + vps->bo_size = 0; + + vmw_du_plane_cleanup_fb(plane, old_state); +} + + +/** + * vmw_sou_primary_plane_prepare_fb - allocate backing buffer + * + * @plane: display plane + * @new_state: info on the new plane state, including the FB + * + * The SOU backing buffer is our equivalent of the display plane. + * + * Returns 0 on success + */ +static int +vmw_sou_primary_plane_prepare_fb(struct drm_plane *plane, + struct drm_plane_state *new_state) +{ + struct drm_framebuffer *new_fb = new_state->fb; + struct drm_crtc *crtc = plane->state->crtc ?: new_state->crtc; + struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state); + struct vmw_private *dev_priv; + size_t size; + int ret; + + + if (!new_fb) { + vmw_bo_unreference(&vps->bo); + vps->bo_size = 0; + + return 0; + } + + size = new_state->crtc_w * new_state->crtc_h * 4; + dev_priv = vmw_priv(crtc->dev); + + if (vps->bo) { + if (vps->bo_size == size) { + /* + * Note that this might temporarily up the pin-count + * to 2, until cleanup_fb() is called. + */ + return vmw_bo_pin_in_vram(dev_priv, vps->bo, + true); + } + + vmw_bo_unreference(&vps->bo); + vps->bo_size = 0; + } + + vmw_svga_enable(dev_priv); + + /* After we have alloced the backing store might not be able to + * resume the overlays, this is preferred to failing to alloc. + */ + vmw_overlay_pause_all(dev_priv); + ret = vmw_bo_create(dev_priv, size, + &vmw_vram_placement, + false, true, &vmw_bo_bo_free, &vps->bo); + vmw_overlay_resume_all(dev_priv); + if (ret) { + vps->bo = NULL; /* vmw_bo_init frees on error */ + return ret; + } + + vps->bo_size = size; + + /* + * TTM already thinks the buffer is pinned, but make sure the + * pin_count is upped. + */ + return vmw_bo_pin_in_vram(dev_priv, vps->bo, true); +} + +static uint32_t vmw_sou_bo_fifo_size(struct vmw_du_update_plane *update, + uint32_t num_hits) +{ + return sizeof(struct vmw_kms_sou_define_gmrfb) + + sizeof(struct vmw_kms_sou_bo_blit) * num_hits; +} + +static uint32_t vmw_sou_bo_define_gmrfb(struct vmw_du_update_plane *update, + void *cmd) +{ + struct vmw_framebuffer_bo *vfbbo = + container_of(update->vfb, typeof(*vfbbo), base); + struct vmw_kms_sou_define_gmrfb *gmr = cmd; + int depth = update->vfb->base.format->depth; + + /* Emulate RGBA support, contrary to svga_reg.h this is not + * supported by hosts. This is only a problem if we are reading + * this value later and expecting what we uploaded back. + */ + if (depth == 32) + depth = 24; + + gmr->header = SVGA_CMD_DEFINE_GMRFB; + + gmr->body.format.bitsPerPixel = update->vfb->base.format->cpp[0] * 8; + gmr->body.format.colorDepth = depth; + gmr->body.format.reserved = 0; + gmr->body.bytesPerLine = update->vfb->base.pitches[0]; + vmw_bo_get_guest_ptr(&vfbbo->buffer->base, &gmr->body.ptr); + + return sizeof(*gmr); +} + +static uint32_t vmw_sou_bo_populate_clip(struct vmw_du_update_plane *update, + void *cmd, struct drm_rect *clip, + uint32_t fb_x, uint32_t fb_y) +{ + struct vmw_kms_sou_bo_blit *blit = cmd; + + blit->header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN; + blit->body.destScreenId = update->du->unit; + blit->body.srcOrigin.x = fb_x; + blit->body.srcOrigin.y = fb_y; + blit->body.destRect.left = clip->x1; + blit->body.destRect.top = clip->y1; + blit->body.destRect.right = clip->x2; + blit->body.destRect.bottom = clip->y2; + + return sizeof(*blit); +} + +static uint32_t vmw_stud_bo_post_clip(struct vmw_du_update_plane *update, + void *cmd, struct drm_rect *bb) +{ + return 0; +} + +/** + * vmw_sou_plane_update_bo - Update display unit for bo backed fb. + * @dev_priv: Device private. + * @plane: Plane state. + * @old_state: Old plane state. + * @vfb: Framebuffer which is blitted to display unit. + * @out_fence: If non-NULL, will return a ref-counted pointer to vmw_fence_obj. + * The returned fence pointer may be NULL in which case the device + * has already synchronized. + * + * Return: 0 on success or a negative error code on failure. + */ +static int vmw_sou_plane_update_bo(struct vmw_private *dev_priv, + struct drm_plane *plane, + struct drm_plane_state *old_state, + struct vmw_framebuffer *vfb, + struct vmw_fence_obj **out_fence) +{ + struct vmw_du_update_plane_buffer bo_update; + + memset(&bo_update, 0, sizeof(struct vmw_du_update_plane_buffer)); + bo_update.base.plane = plane; + bo_update.base.old_state = old_state; + bo_update.base.dev_priv = dev_priv; + bo_update.base.du = vmw_crtc_to_du(plane->state->crtc); + bo_update.base.vfb = vfb; + bo_update.base.out_fence = out_fence; + bo_update.base.mutex = NULL; + bo_update.base.cpu_blit = false; + bo_update.base.intr = true; + + bo_update.base.calc_fifo_size = vmw_sou_bo_fifo_size; + bo_update.base.post_prepare = vmw_sou_bo_define_gmrfb; + bo_update.base.clip = vmw_sou_bo_populate_clip; + bo_update.base.post_clip = vmw_stud_bo_post_clip; + + return vmw_du_helper_plane_update(&bo_update.base); +} + +static uint32_t vmw_sou_surface_fifo_size(struct vmw_du_update_plane *update, + uint32_t num_hits) +{ + return sizeof(struct vmw_kms_sou_dirty_cmd) + sizeof(SVGASignedRect) * + num_hits; +} + +static uint32_t vmw_sou_surface_post_prepare(struct vmw_du_update_plane *update, + void *cmd) +{ + struct vmw_du_update_plane_surface *srf_update; + + srf_update = container_of(update, typeof(*srf_update), base); + + /* + * SOU SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN is special in the sense that + * its bounding box is filled before iterating over all the clips. So + * store the FIFO start address and revisit to fill the details. + */ + srf_update->cmd_start = cmd; + + return 0; +} + +static uint32_t vmw_sou_surface_pre_clip(struct vmw_du_update_plane *update, + void *cmd, uint32_t num_hits) +{ + struct vmw_kms_sou_dirty_cmd *blit = cmd; + struct vmw_framebuffer_surface *vfbs; + + vfbs = container_of(update->vfb, typeof(*vfbs), base); + + blit->header.id = SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN; + blit->header.size = sizeof(blit->body) + sizeof(SVGASignedRect) * + num_hits; + + blit->body.srcImage.sid = vfbs->surface->res.id; + blit->body.destScreenId = update->du->unit; + + /* Update the source and destination bounding box later in post_clip */ + blit->body.srcRect.left = 0; + blit->body.srcRect.top = 0; + blit->body.srcRect.right = 0; + blit->body.srcRect.bottom = 0; + + blit->body.destRect.left = 0; + blit->body.destRect.top = 0; + blit->body.destRect.right = 0; + blit->body.destRect.bottom = 0; + + return sizeof(*blit); +} + +static uint32_t vmw_sou_surface_clip_rect(struct vmw_du_update_plane *update, + void *cmd, struct drm_rect *clip, + uint32_t src_x, uint32_t src_y) +{ + SVGASignedRect *rect = cmd; + + /* + * rects are relative to dest bounding box rect on screen object, so + * translate to it later in post_clip + */ + rect->left = clip->x1; + rect->top = clip->y1; + rect->right = clip->x2; + rect->bottom = clip->y2; + + return sizeof(*rect); +} + +static uint32_t vmw_sou_surface_post_clip(struct vmw_du_update_plane *update, + void *cmd, struct drm_rect *bb) +{ + struct vmw_du_update_plane_surface *srf_update; + struct drm_plane_state *state = update->plane->state; + struct drm_rect src_bb; + struct vmw_kms_sou_dirty_cmd *blit; + SVGASignedRect *rect; + uint32_t num_hits; + int translate_src_x; + int translate_src_y; + int i; + + srf_update = container_of(update, typeof(*srf_update), base); + + blit = srf_update->cmd_start; + rect = (SVGASignedRect *)&blit[1]; + + num_hits = (blit->header.size - sizeof(blit->body))/ + sizeof(SVGASignedRect); + + src_bb = *bb; + + /* To translate bb back to fb src coord */ + translate_src_x = (state->src_x >> 16) - state->crtc_x; + translate_src_y = (state->src_y >> 16) - state->crtc_y; + + drm_rect_translate(&src_bb, translate_src_x, translate_src_y); + + blit->body.srcRect.left = src_bb.x1; + blit->body.srcRect.top = src_bb.y1; + blit->body.srcRect.right = src_bb.x2; + blit->body.srcRect.bottom = src_bb.y2; + + blit->body.destRect.left = bb->x1; + blit->body.destRect.top = bb->y1; + blit->body.destRect.right = bb->x2; + blit->body.destRect.bottom = bb->y2; + + /* rects are relative to dest bb rect */ + for (i = 0; i < num_hits; i++) { + rect->left -= bb->x1; + rect->top -= bb->y1; + rect->right -= bb->x1; + rect->bottom -= bb->y1; + rect++; + } + + return 0; +} + +/** + * vmw_sou_plane_update_surface - Update display unit for surface backed fb. + * @dev_priv: Device private. + * @plane: Plane state. + * @old_state: Old plane state. + * @vfb: Framebuffer which is blitted to display unit + * @out_fence: If non-NULL, will return a ref-counted pointer to vmw_fence_obj. + * The returned fence pointer may be NULL in which case the device + * has already synchronized. + * + * Return: 0 on success or a negative error code on failure. + */ +static int vmw_sou_plane_update_surface(struct vmw_private *dev_priv, + struct drm_plane *plane, + struct drm_plane_state *old_state, + struct vmw_framebuffer *vfb, + struct vmw_fence_obj **out_fence) +{ + struct vmw_du_update_plane_surface srf_update; + + memset(&srf_update, 0, sizeof(struct vmw_du_update_plane_surface)); + srf_update.base.plane = plane; + srf_update.base.old_state = old_state; + srf_update.base.dev_priv = dev_priv; + srf_update.base.du = vmw_crtc_to_du(plane->state->crtc); + srf_update.base.vfb = vfb; + srf_update.base.out_fence = out_fence; + srf_update.base.mutex = &dev_priv->cmdbuf_mutex; + srf_update.base.cpu_blit = false; + srf_update.base.intr = true; + + srf_update.base.calc_fifo_size = vmw_sou_surface_fifo_size; + srf_update.base.post_prepare = vmw_sou_surface_post_prepare; + srf_update.base.pre_clip = vmw_sou_surface_pre_clip; + srf_update.base.clip = vmw_sou_surface_clip_rect; + srf_update.base.post_clip = vmw_sou_surface_post_clip; + + return vmw_du_helper_plane_update(&srf_update.base); +} + +static void +vmw_sou_primary_plane_atomic_update(struct drm_plane *plane, + struct drm_atomic_state *state) +{ + struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state, plane); + struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state, plane); + struct drm_crtc *crtc = new_state->crtc; + struct vmw_fence_obj *fence = NULL; + int ret; + + /* In case of device error, maintain consistent atomic state */ + if (crtc && new_state->fb) { + struct vmw_private *dev_priv = vmw_priv(crtc->dev); + struct vmw_framebuffer *vfb = + vmw_framebuffer_to_vfb(new_state->fb); + + if (vfb->bo) + ret = vmw_sou_plane_update_bo(dev_priv, plane, + old_state, vfb, &fence); + else + ret = vmw_sou_plane_update_surface(dev_priv, plane, + old_state, vfb, + &fence); + if (ret != 0) + DRM_ERROR("Failed to update screen.\n"); + } else { + /* Do nothing when fb and crtc is NULL (blank crtc) */ + return; + } + + if (fence) + vmw_fence_obj_unreference(&fence); +} + + +static const struct drm_plane_funcs vmw_sou_plane_funcs = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .destroy = vmw_du_primary_plane_destroy, + .reset = vmw_du_plane_reset, + .atomic_duplicate_state = vmw_du_plane_duplicate_state, + .atomic_destroy_state = vmw_du_plane_destroy_state, +}; + +static const struct drm_plane_funcs vmw_sou_cursor_funcs = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .destroy = vmw_du_cursor_plane_destroy, + .reset = vmw_du_plane_reset, + .atomic_duplicate_state = vmw_du_plane_duplicate_state, + .atomic_destroy_state = vmw_du_plane_destroy_state, +}; + +/* + * Atomic Helpers + */ +static const struct +drm_plane_helper_funcs vmw_sou_cursor_plane_helper_funcs = { + .atomic_check = vmw_du_cursor_plane_atomic_check, + .atomic_update = vmw_du_cursor_plane_atomic_update, + .prepare_fb = vmw_du_cursor_plane_prepare_fb, + .cleanup_fb = vmw_du_cursor_plane_cleanup_fb, +}; + +static const struct +drm_plane_helper_funcs vmw_sou_primary_plane_helper_funcs = { + .atomic_check = vmw_du_primary_plane_atomic_check, + .atomic_update = vmw_sou_primary_plane_atomic_update, + .prepare_fb = vmw_sou_primary_plane_prepare_fb, + .cleanup_fb = vmw_sou_primary_plane_cleanup_fb, +}; + +static const struct drm_crtc_helper_funcs vmw_sou_crtc_helper_funcs = { + .prepare = vmw_sou_crtc_helper_prepare, + .mode_set_nofb = vmw_sou_crtc_mode_set_nofb, + .atomic_check = vmw_du_crtc_atomic_check, + .atomic_begin = vmw_du_crtc_atomic_begin, + .atomic_flush = vmw_du_crtc_atomic_flush, + .atomic_enable = vmw_sou_crtc_atomic_enable, + .atomic_disable = vmw_sou_crtc_atomic_disable, +}; + + +static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit) +{ + struct vmw_screen_object_unit *sou; + struct drm_device *dev = &dev_priv->drm; + struct drm_connector *connector; + struct drm_encoder *encoder; + struct drm_plane *primary; + struct vmw_cursor_plane *cursor; + struct drm_crtc *crtc; + int ret; + + sou = kzalloc(sizeof(*sou), GFP_KERNEL); + if (!sou) + return -ENOMEM; + + sou->base.unit = unit; + crtc = &sou->base.crtc; + encoder = &sou->base.encoder; + connector = &sou->base.connector; + primary = &sou->base.primary; + cursor = &sou->base.cursor; + + sou->base.pref_active = (unit == 0); + sou->base.pref_width = dev_priv->initial_width; + sou->base.pref_height = dev_priv->initial_height; + sou->base.pref_mode = NULL; + + /* + * Remove this after enabling atomic because property values can + * only exist in a state object + */ + sou->base.is_implicit = false; + + /* Initialize primary plane */ + ret = drm_universal_plane_init(dev, primary, + 0, &vmw_sou_plane_funcs, + vmw_primary_plane_formats, + ARRAY_SIZE(vmw_primary_plane_formats), + NULL, DRM_PLANE_TYPE_PRIMARY, NULL); + if (ret) { + DRM_ERROR("Failed to initialize primary plane"); + goto err_free; + } + + drm_plane_helper_add(primary, &vmw_sou_primary_plane_helper_funcs); + drm_plane_enable_fb_damage_clips(primary); + + /* Initialize cursor plane */ + ret = drm_universal_plane_init(dev, &cursor->base, + 0, &vmw_sou_cursor_funcs, + vmw_cursor_plane_formats, + ARRAY_SIZE(vmw_cursor_plane_formats), + NULL, DRM_PLANE_TYPE_CURSOR, NULL); + if (ret) { + DRM_ERROR("Failed to initialize cursor plane"); + drm_plane_cleanup(&sou->base.primary); + goto err_free; + } + + drm_plane_helper_add(&cursor->base, &vmw_sou_cursor_plane_helper_funcs); + + ret = drm_connector_init(dev, connector, &vmw_sou_connector_funcs, + DRM_MODE_CONNECTOR_VIRTUAL); + if (ret) { + DRM_ERROR("Failed to initialize connector\n"); + goto err_free; + } + + drm_connector_helper_add(connector, &vmw_sou_connector_helper_funcs); + connector->status = vmw_du_connector_detect(connector, true); + + ret = drm_encoder_init(dev, encoder, &vmw_screen_object_encoder_funcs, + DRM_MODE_ENCODER_VIRTUAL, NULL); + if (ret) { + DRM_ERROR("Failed to initialize encoder\n"); + goto err_free_connector; + } + + (void) drm_connector_attach_encoder(connector, encoder); + encoder->possible_crtcs = (1 << unit); + encoder->possible_clones = 0; + + ret = drm_connector_register(connector); + if (ret) { + DRM_ERROR("Failed to register connector\n"); + goto err_free_encoder; + } + + ret = drm_crtc_init_with_planes(dev, crtc, primary, + &cursor->base, + &vmw_screen_object_crtc_funcs, NULL); + if (ret) { + DRM_ERROR("Failed to initialize CRTC\n"); + goto err_free_unregister; + } + + drm_crtc_helper_add(crtc, &vmw_sou_crtc_helper_funcs); + + drm_mode_crtc_set_gamma_size(crtc, 256); + + drm_object_attach_property(&connector->base, + dev_priv->hotplug_mode_update_property, 1); + drm_object_attach_property(&connector->base, + dev->mode_config.suggested_x_property, 0); + drm_object_attach_property(&connector->base, + dev->mode_config.suggested_y_property, 0); + return 0; + +err_free_unregister: + drm_connector_unregister(connector); +err_free_encoder: + drm_encoder_cleanup(encoder); +err_free_connector: + drm_connector_cleanup(connector); +err_free: + kfree(sou); + return ret; +} + +int vmw_kms_sou_init_display(struct vmw_private *dev_priv) +{ + struct drm_device *dev = &dev_priv->drm; + int i; + + /* Screen objects won't work if GMR's aren't available */ + if (!dev_priv->has_gmr) + return -ENOSYS; + + if (!(dev_priv->capabilities & SVGA_CAP_SCREEN_OBJECT_2)) { + return -ENOSYS; + } + + for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i) + vmw_sou_init(dev_priv, i); + + dev_priv->active_display_unit = vmw_du_screen_object; + + drm_mode_config_reset(dev); + + return 0; +} + +static int do_bo_define_gmrfb(struct vmw_private *dev_priv, + struct vmw_framebuffer *framebuffer) +{ + struct vmw_buffer_object *buf = + container_of(framebuffer, struct vmw_framebuffer_bo, + base)->buffer; + int depth = framebuffer->base.format->depth; + struct { + uint32_t header; + SVGAFifoCmdDefineGMRFB body; + } *cmd; + + /* Emulate RGBA support, contrary to svga_reg.h this is not + * supported by hosts. This is only a problem if we are reading + * this value later and expecting what we uploaded back. + */ + if (depth == 32) + depth = 24; + + cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd)); + if (!cmd) + return -ENOMEM; + + cmd->header = SVGA_CMD_DEFINE_GMRFB; + cmd->body.format.bitsPerPixel = framebuffer->base.format->cpp[0] * 8; + cmd->body.format.colorDepth = depth; + cmd->body.format.reserved = 0; + cmd->body.bytesPerLine = framebuffer->base.pitches[0]; + /* Buffer is reserved in vram or GMR */ + vmw_bo_get_guest_ptr(&buf->base, &cmd->body.ptr); + vmw_cmd_commit(dev_priv, sizeof(*cmd)); + + return 0; +} + +/** + * vmw_sou_surface_fifo_commit - Callback to fill in and submit a + * blit surface to screen command. + * + * @dirty: The closure structure. + * + * Fills in the missing fields in the command, and translates the cliprects + * to match the destination bounding box encoded. + */ +static void vmw_sou_surface_fifo_commit(struct vmw_kms_dirty *dirty) +{ + struct vmw_kms_sou_surface_dirty *sdirty = + container_of(dirty, typeof(*sdirty), base); + struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd; + s32 trans_x = dirty->unit->crtc.x - sdirty->dst_x; + s32 trans_y = dirty->unit->crtc.y - sdirty->dst_y; + size_t region_size = dirty->num_hits * sizeof(SVGASignedRect); + SVGASignedRect *blit = (SVGASignedRect *) &cmd[1]; + int i; + + if (!dirty->num_hits) { + vmw_cmd_commit(dirty->dev_priv, 0); + return; + } + + cmd->header.id = SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN; + cmd->header.size = sizeof(cmd->body) + region_size; + + /* + * Use the destination bounding box to specify destination - and + * source bounding regions. + */ + cmd->body.destRect.left = sdirty->left; + cmd->body.destRect.right = sdirty->right; + cmd->body.destRect.top = sdirty->top; + cmd->body.destRect.bottom = sdirty->bottom; + + cmd->body.srcRect.left = sdirty->left + trans_x; + cmd->body.srcRect.right = sdirty->right + trans_x; + cmd->body.srcRect.top = sdirty->top + trans_y; + cmd->body.srcRect.bottom = sdirty->bottom + trans_y; + + cmd->body.srcImage.sid = sdirty->sid; + cmd->body.destScreenId = dirty->unit->unit; + + /* Blits are relative to the destination rect. Translate. */ + for (i = 0; i < dirty->num_hits; ++i, ++blit) { + blit->left -= sdirty->left; + blit->right -= sdirty->left; + blit->top -= sdirty->top; + blit->bottom -= sdirty->top; + } + + vmw_cmd_commit(dirty->dev_priv, region_size + sizeof(*cmd)); + + sdirty->left = sdirty->top = S32_MAX; + sdirty->right = sdirty->bottom = S32_MIN; +} + +/** + * vmw_sou_surface_clip - Callback to encode a blit surface to screen cliprect. + * + * @dirty: The closure structure + * + * Encodes a SVGASignedRect cliprect and updates the bounding box of the + * BLIT_SURFACE_TO_SCREEN command. + */ +static void vmw_sou_surface_clip(struct vmw_kms_dirty *dirty) +{ + struct vmw_kms_sou_surface_dirty *sdirty = + container_of(dirty, typeof(*sdirty), base); + struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd; + SVGASignedRect *blit = (SVGASignedRect *) &cmd[1]; + + /* Destination rect. */ + blit += dirty->num_hits; + blit->left = dirty->unit_x1; + blit->top = dirty->unit_y1; + blit->right = dirty->unit_x2; + blit->bottom = dirty->unit_y2; + + /* Destination bounding box */ + sdirty->left = min_t(s32, sdirty->left, dirty->unit_x1); + sdirty->top = min_t(s32, sdirty->top, dirty->unit_y1); + sdirty->right = max_t(s32, sdirty->right, dirty->unit_x2); + sdirty->bottom = max_t(s32, sdirty->bottom, dirty->unit_y2); + + dirty->num_hits++; +} + +/** + * vmw_kms_sou_do_surface_dirty - Dirty part of a surface backed framebuffer + * + * @dev_priv: Pointer to the device private structure. + * @framebuffer: Pointer to the surface-buffer backed framebuffer. + * @clips: Array of clip rects. Either @clips or @vclips must be NULL. + * @vclips: Alternate array of clip rects. Either @clips or @vclips must + * be NULL. + * @srf: Pointer to surface to blit from. If NULL, the surface attached + * to @framebuffer will be used. + * @dest_x: X coordinate offset to align @srf with framebuffer coordinates. + * @dest_y: Y coordinate offset to align @srf with framebuffer coordinates. + * @num_clips: Number of clip rects in @clips. + * @inc: Increment to use when looping over @clips. + * @out_fence: If non-NULL, will return a ref-counted pointer to a + * struct vmw_fence_obj. The returned fence pointer may be NULL in which + * case the device has already synchronized. + * @crtc: If crtc is passed, perform surface dirty on that crtc only. + * + * Returns 0 on success, negative error code on failure. -ERESTARTSYS if + * interrupted. + */ +int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv, + struct vmw_framebuffer *framebuffer, + struct drm_clip_rect *clips, + struct drm_vmw_rect *vclips, + struct vmw_resource *srf, + s32 dest_x, + s32 dest_y, + unsigned num_clips, int inc, + struct vmw_fence_obj **out_fence, + struct drm_crtc *crtc) +{ + struct vmw_framebuffer_surface *vfbs = + container_of(framebuffer, typeof(*vfbs), base); + struct vmw_kms_sou_surface_dirty sdirty; + DECLARE_VAL_CONTEXT(val_ctx, NULL, 0); + int ret; + + if (!srf) + srf = &vfbs->surface->res; + + ret = vmw_validation_add_resource(&val_ctx, srf, 0, VMW_RES_DIRTY_NONE, + NULL, NULL); + if (ret) + return ret; + + ret = vmw_validation_prepare(&val_ctx, &dev_priv->cmdbuf_mutex, true); + if (ret) + goto out_unref; + + sdirty.base.fifo_commit = vmw_sou_surface_fifo_commit; + sdirty.base.clip = vmw_sou_surface_clip; + sdirty.base.dev_priv = dev_priv; + sdirty.base.fifo_reserve_size = sizeof(struct vmw_kms_sou_dirty_cmd) + + sizeof(SVGASignedRect) * num_clips; + sdirty.base.crtc = crtc; + + sdirty.sid = srf->id; + sdirty.left = sdirty.top = S32_MAX; + sdirty.right = sdirty.bottom = S32_MIN; + sdirty.dst_x = dest_x; + sdirty.dst_y = dest_y; + + ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, + dest_x, dest_y, num_clips, inc, + &sdirty.base); + vmw_kms_helper_validation_finish(dev_priv, NULL, &val_ctx, out_fence, + NULL); + + return ret; + +out_unref: + vmw_validation_unref_lists(&val_ctx); + return ret; +} + +/** + * vmw_sou_bo_fifo_commit - Callback to submit a set of readback clips. + * + * @dirty: The closure structure. + * + * Commits a previously built command buffer of readback clips. + */ +static void vmw_sou_bo_fifo_commit(struct vmw_kms_dirty *dirty) +{ + if (!dirty->num_hits) { + vmw_cmd_commit(dirty->dev_priv, 0); + return; + } + + vmw_cmd_commit(dirty->dev_priv, + sizeof(struct vmw_kms_sou_bo_blit) * + dirty->num_hits); +} + +/** + * vmw_sou_bo_clip - Callback to encode a readback cliprect. + * + * @dirty: The closure structure + * + * Encodes a BLIT_GMRFB_TO_SCREEN cliprect. + */ +static void vmw_sou_bo_clip(struct vmw_kms_dirty *dirty) +{ + struct vmw_kms_sou_bo_blit *blit = dirty->cmd; + + blit += dirty->num_hits; + blit->header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN; + blit->body.destScreenId = dirty->unit->unit; + blit->body.srcOrigin.x = dirty->fb_x; + blit->body.srcOrigin.y = dirty->fb_y; + blit->body.destRect.left = dirty->unit_x1; + blit->body.destRect.top = dirty->unit_y1; + blit->body.destRect.right = dirty->unit_x2; + blit->body.destRect.bottom = dirty->unit_y2; + dirty->num_hits++; +} + +/** + * vmw_kms_sou_do_bo_dirty - Dirty part of a buffer-object backed framebuffer + * + * @dev_priv: Pointer to the device private structure. + * @framebuffer: Pointer to the buffer-object backed framebuffer. + * @clips: Array of clip rects. + * @vclips: Alternate array of clip rects. Either @clips or @vclips must + * be NULL. + * @num_clips: Number of clip rects in @clips. + * @increment: Increment to use when looping over @clips. + * @interruptible: Whether to perform waits interruptible if possible. + * @out_fence: If non-NULL, will return a ref-counted pointer to a + * struct vmw_fence_obj. The returned fence pointer may be NULL in which + * case the device has already synchronized. + * @crtc: If crtc is passed, perform bo dirty on that crtc only. + * + * Returns 0 on success, negative error code on failure. -ERESTARTSYS if + * interrupted. + */ +int vmw_kms_sou_do_bo_dirty(struct vmw_private *dev_priv, + struct vmw_framebuffer *framebuffer, + struct drm_clip_rect *clips, + struct drm_vmw_rect *vclips, + unsigned num_clips, int increment, + bool interruptible, + struct vmw_fence_obj **out_fence, + struct drm_crtc *crtc) +{ + struct vmw_buffer_object *buf = + container_of(framebuffer, struct vmw_framebuffer_bo, + base)->buffer; + struct vmw_kms_dirty dirty; + DECLARE_VAL_CONTEXT(val_ctx, NULL, 0); + int ret; + + ret = vmw_validation_add_bo(&val_ctx, buf, false, false); + if (ret) + return ret; + + ret = vmw_validation_prepare(&val_ctx, NULL, interruptible); + if (ret) + goto out_unref; + + ret = do_bo_define_gmrfb(dev_priv, framebuffer); + if (unlikely(ret != 0)) + goto out_revert; + + dirty.crtc = crtc; + dirty.fifo_commit = vmw_sou_bo_fifo_commit; + dirty.clip = vmw_sou_bo_clip; + dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_bo_blit) * + num_clips; + ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips, + 0, 0, num_clips, increment, &dirty); + vmw_kms_helper_validation_finish(dev_priv, NULL, &val_ctx, out_fence, + NULL); + + return ret; + +out_revert: + vmw_validation_revert(&val_ctx); +out_unref: + vmw_validation_unref_lists(&val_ctx); + + return ret; +} + + +/** + * vmw_sou_readback_fifo_commit - Callback to submit a set of readback clips. + * + * @dirty: The closure structure. + * + * Commits a previously built command buffer of readback clips. + */ +static void vmw_sou_readback_fifo_commit(struct vmw_kms_dirty *dirty) +{ + if (!dirty->num_hits) { + vmw_cmd_commit(dirty->dev_priv, 0); + return; + } + + vmw_cmd_commit(dirty->dev_priv, + sizeof(struct vmw_kms_sou_readback_blit) * + dirty->num_hits); +} + +/** + * vmw_sou_readback_clip - Callback to encode a readback cliprect. + * + * @dirty: The closure structure + * + * Encodes a BLIT_SCREEN_TO_GMRFB cliprect. + */ +static void vmw_sou_readback_clip(struct vmw_kms_dirty *dirty) +{ + struct vmw_kms_sou_readback_blit *blit = dirty->cmd; + + blit += dirty->num_hits; + blit->header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB; + blit->body.srcScreenId = dirty->unit->unit; + blit->body.destOrigin.x = dirty->fb_x; + blit->body.destOrigin.y = dirty->fb_y; + blit->body.srcRect.left = dirty->unit_x1; + blit->body.srcRect.top = dirty->unit_y1; + blit->body.srcRect.right = dirty->unit_x2; + blit->body.srcRect.bottom = dirty->unit_y2; + dirty->num_hits++; +} + +/** + * vmw_kms_sou_readback - Perform a readback from the screen object system to + * a buffer-object 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 buffer-object 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. + * @crtc: If crtc is passed, readback on that crtc only. + * + * Returns 0 on success, negative error code on failure. -ERESTARTSYS if + * interrupted. + */ +int vmw_kms_sou_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, + struct drm_crtc *crtc) +{ + struct vmw_buffer_object *buf = + container_of(vfb, struct vmw_framebuffer_bo, base)->buffer; + struct vmw_kms_dirty dirty; + DECLARE_VAL_CONTEXT(val_ctx, NULL, 0); + int ret; + + ret = vmw_validation_add_bo(&val_ctx, buf, false, false); + if (ret) + return ret; + + ret = vmw_validation_prepare(&val_ctx, NULL, true); + if (ret) + goto out_unref; + + ret = do_bo_define_gmrfb(dev_priv, vfb); + if (unlikely(ret != 0)) + goto out_revert; + + dirty.crtc = crtc; + dirty.fifo_commit = vmw_sou_readback_fifo_commit; + dirty.clip = vmw_sou_readback_clip; + dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_readback_blit) * + num_clips; + ret = vmw_kms_helper_dirty(dev_priv, vfb, NULL, vclips, + 0, 0, num_clips, 1, &dirty); + vmw_kms_helper_validation_finish(dev_priv, file_priv, &val_ctx, NULL, + user_fence_rep); + + return ret; + +out_revert: + vmw_validation_revert(&val_ctx); +out_unref: + vmw_validation_unref_lists(&val_ctx); + + return ret; +} |