// SPDX-License-Identifier: GPL-2.0 OR MIT
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/******************************************************************************
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*
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* COPYRIGHT (C) 2014-2015 VMware, Inc., Palo Alto, CA., USA
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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******************************************************************************/
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#include <drm/drm_atomic.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_damage_helper.h>
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#include <drm/drm_fourcc.h>
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#include <drm/drm_plane_helper.h>
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#include <drm/drm_vblank.h>
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#include "vmwgfx_kms.h"
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#include "device_include/svga3d_surfacedefs.h"
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#define vmw_crtc_to_stdu(x) \
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container_of(x, struct vmw_screen_target_display_unit, base.crtc)
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#define vmw_encoder_to_stdu(x) \
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container_of(x, struct vmw_screen_target_display_unit, base.encoder)
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#define vmw_connector_to_stdu(x) \
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container_of(x, struct vmw_screen_target_display_unit, base.connector)
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enum stdu_content_type {
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SAME_AS_DISPLAY = 0,
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SEPARATE_SURFACE,
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SEPARATE_BO
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};
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/**
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* struct vmw_stdu_dirty - closure structure for the update functions
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*
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* @base: The base type we derive from. Used by vmw_kms_helper_dirty().
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* @transfer: Transfer direction for DMA command.
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* @left: Left side of bounding box.
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* @right: Right side of bounding box.
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* @top: Top side of bounding box.
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* @bottom: Bottom side of bounding box.
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* @fb_left: Left side of the framebuffer/content bounding box
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* @fb_top: Top of the framebuffer/content bounding box
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* @buf: buffer object when DMA-ing between buffer and screen targets.
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* @sid: Surface ID when copying between surface and screen targets.
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*/
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struct vmw_stdu_dirty {
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struct vmw_kms_dirty base;
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SVGA3dTransferType transfer;
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s32 left, right, top, bottom;
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s32 fb_left, fb_top;
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u32 pitch;
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union {
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struct vmw_buffer_object *buf;
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u32 sid;
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};
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};
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/*
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* SVGA commands that are used by this code. Please see the device headers
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* for explanation.
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*/
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struct vmw_stdu_update {
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SVGA3dCmdHeader header;
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SVGA3dCmdUpdateGBScreenTarget body;
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};
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struct vmw_stdu_dma {
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SVGA3dCmdHeader header;
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SVGA3dCmdSurfaceDMA body;
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};
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struct vmw_stdu_surface_copy {
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SVGA3dCmdHeader header;
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SVGA3dCmdSurfaceCopy body;
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};
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struct vmw_stdu_update_gb_image {
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SVGA3dCmdHeader header;
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SVGA3dCmdUpdateGBImage body;
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};
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/**
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* struct vmw_screen_target_display_unit
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*
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* @base: VMW specific DU structure
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* @display_srf: surface to be displayed. The dimension of this will always
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* match the display mode. If the display mode matches
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* content_vfbs dimensions, then this is a pointer into the
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* corresponding field in content_vfbs. If not, then this
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* is a separate buffer to which content_vfbs will blit to.
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* @content_type: content_fb type
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* @defined: true if the current display unit has been initialized
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*/
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struct vmw_screen_target_display_unit {
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struct vmw_display_unit base;
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struct vmw_surface *display_srf;
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enum stdu_content_type content_fb_type;
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s32 display_width, display_height;
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bool defined;
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/* For CPU Blit */
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unsigned int cpp;
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};
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static void vmw_stdu_destroy(struct vmw_screen_target_display_unit *stdu);
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/******************************************************************************
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* Screen Target Display Unit CRTC Functions
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*****************************************************************************/
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/**
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* vmw_stdu_crtc_destroy - cleans up the STDU
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*
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* @crtc: used to get a reference to the containing STDU
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*/
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static void vmw_stdu_crtc_destroy(struct drm_crtc *crtc)
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{
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vmw_stdu_destroy(vmw_crtc_to_stdu(crtc));
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}
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/**
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* vmw_stdu_define_st - Defines a Screen Target
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*
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* @dev_priv: VMW DRM device
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* @stdu: display unit to create a Screen Target for
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* @mode: The mode to set.
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* @crtc_x: X coordinate of screen target relative to framebuffer origin.
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* @crtc_y: Y coordinate of screen target relative to framebuffer origin.
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*
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* Creates a STDU that we can used later. This function is called whenever the
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* framebuffer size changes.
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*
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* RETURNs:
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* 0 on success, error code on failure
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*/
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static int vmw_stdu_define_st(struct vmw_private *dev_priv,
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struct vmw_screen_target_display_unit *stdu,
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struct drm_display_mode *mode,
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int crtc_x, int crtc_y)
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{
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struct {
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SVGA3dCmdHeader header;
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SVGA3dCmdDefineGBScreenTarget body;
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} *cmd;
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cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd));
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if (unlikely(cmd == NULL))
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return -ENOMEM;
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cmd->header.id = SVGA_3D_CMD_DEFINE_GB_SCREENTARGET;
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cmd->header.size = sizeof(cmd->body);
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cmd->body.stid = stdu->base.unit;
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cmd->body.width = mode->hdisplay;
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cmd->body.height = mode->vdisplay;
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cmd->body.flags = (0 == cmd->body.stid) ? SVGA_STFLAG_PRIMARY : 0;
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cmd->body.dpi = 0;
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cmd->body.xRoot = crtc_x;
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cmd->body.yRoot = crtc_y;
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stdu->base.set_gui_x = cmd->body.xRoot;
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stdu->base.set_gui_y = cmd->body.yRoot;
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vmw_fifo_commit(dev_priv, sizeof(*cmd));
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stdu->defined = true;
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stdu->display_width = mode->hdisplay;
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stdu->display_height = mode->vdisplay;
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return 0;
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}
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/**
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* vmw_stdu_bind_st - Binds a surface to a Screen Target
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*
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* @dev_priv: VMW DRM device
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* @stdu: display unit affected
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* @res: Buffer to bind to the screen target. Set to NULL to blank screen.
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*
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* Binding a surface to a Screen Target the same as flipping
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*/
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static int vmw_stdu_bind_st(struct vmw_private *dev_priv,
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struct vmw_screen_target_display_unit *stdu,
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const struct vmw_resource *res)
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{
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SVGA3dSurfaceImageId image;
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struct {
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SVGA3dCmdHeader header;
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SVGA3dCmdBindGBScreenTarget body;
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} *cmd;
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if (!stdu->defined) {
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DRM_ERROR("No screen target defined\n");
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return -EINVAL;
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}
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/* Set up image using information in vfb */
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memset(&image, 0, sizeof(image));
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image.sid = res ? res->id : SVGA3D_INVALID_ID;
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cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd));
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if (unlikely(cmd == NULL))
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return -ENOMEM;
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cmd->header.id = SVGA_3D_CMD_BIND_GB_SCREENTARGET;
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cmd->header.size = sizeof(cmd->body);
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cmd->body.stid = stdu->base.unit;
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cmd->body.image = image;
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vmw_fifo_commit(dev_priv, sizeof(*cmd));
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return 0;
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}
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/**
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* vmw_stdu_populate_update - populate an UPDATE_GB_SCREENTARGET command with a
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* bounding box.
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*
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* @cmd: Pointer to command stream.
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* @unit: Screen target unit.
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* @left: Left side of bounding box.
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* @right: Right side of bounding box.
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* @top: Top side of bounding box.
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* @bottom: Bottom side of bounding box.
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*/
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static void vmw_stdu_populate_update(void *cmd, int unit,
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s32 left, s32 right, s32 top, s32 bottom)
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{
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struct vmw_stdu_update *update = cmd;
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update->header.id = SVGA_3D_CMD_UPDATE_GB_SCREENTARGET;
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update->header.size = sizeof(update->body);
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update->body.stid = unit;
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update->body.rect.x = left;
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update->body.rect.y = top;
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update->body.rect.w = right - left;
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update->body.rect.h = bottom - top;
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}
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/**
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* vmw_stdu_update_st - Full update of a Screen Target
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*
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* @dev_priv: VMW DRM device
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* @stdu: display unit affected
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*
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* This function needs to be called whenever the content of a screen
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* target has changed completely. Typically as a result of a backing
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* surface change.
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*
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* RETURNS:
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* 0 on success, error code on failure
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*/
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static int vmw_stdu_update_st(struct vmw_private *dev_priv,
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struct vmw_screen_target_display_unit *stdu)
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{
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struct vmw_stdu_update *cmd;
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if (!stdu->defined) {
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DRM_ERROR("No screen target defined");
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return -EINVAL;
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}
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cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd));
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if (unlikely(cmd == NULL))
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return -ENOMEM;
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vmw_stdu_populate_update(cmd, stdu->base.unit,
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0, stdu->display_width,
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0, stdu->display_height);
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vmw_fifo_commit(dev_priv, sizeof(*cmd));
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return 0;
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}
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/**
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* vmw_stdu_destroy_st - Destroy a Screen Target
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*
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* @dev_priv: VMW DRM device
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* @stdu: display unit to destroy
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*/
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static int vmw_stdu_destroy_st(struct vmw_private *dev_priv,
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struct vmw_screen_target_display_unit *stdu)
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{
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int ret;
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struct {
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SVGA3dCmdHeader header;
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SVGA3dCmdDestroyGBScreenTarget body;
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} *cmd;
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/* Nothing to do if not successfully defined */
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if (unlikely(!stdu->defined))
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return 0;
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cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd));
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if (unlikely(cmd == NULL))
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return -ENOMEM;
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cmd->header.id = SVGA_3D_CMD_DESTROY_GB_SCREENTARGET;
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cmd->header.size = sizeof(cmd->body);
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cmd->body.stid = stdu->base.unit;
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vmw_fifo_commit(dev_priv, sizeof(*cmd));
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/* Force sync */
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ret = vmw_fallback_wait(dev_priv, false, true, 0, false, 3*HZ);
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if (unlikely(ret != 0))
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DRM_ERROR("Failed to sync with HW");
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stdu->defined = false;
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stdu->display_width = 0;
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stdu->display_height = 0;
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return ret;
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}
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/**
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* vmw_stdu_crtc_mode_set_nofb - Updates screen target size
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*
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* @crtc: CRTC associated with the screen target
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*
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* This function defines/destroys a screen target
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*
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*/
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static void vmw_stdu_crtc_mode_set_nofb(struct drm_crtc *crtc)
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{
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struct vmw_private *dev_priv;
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struct vmw_screen_target_display_unit *stdu;
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struct drm_connector_state *conn_state;
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struct vmw_connector_state *vmw_conn_state;
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int x, y, ret;
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stdu = vmw_crtc_to_stdu(crtc);
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dev_priv = vmw_priv(crtc->dev);
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conn_state = stdu->base.connector.state;
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vmw_conn_state = vmw_connector_state_to_vcs(conn_state);
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if (stdu->defined) {
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ret = vmw_stdu_bind_st(dev_priv, stdu, NULL);
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if (ret)
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DRM_ERROR("Failed to blank CRTC\n");
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(void) vmw_stdu_update_st(dev_priv, stdu);
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ret = vmw_stdu_destroy_st(dev_priv, stdu);
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if (ret)
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DRM_ERROR("Failed to destroy Screen Target\n");
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stdu->content_fb_type = SAME_AS_DISPLAY;
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}
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if (!crtc->state->enable)
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return;
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x = vmw_conn_state->gui_x;
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y = vmw_conn_state->gui_y;
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vmw_svga_enable(dev_priv);
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ret = vmw_stdu_define_st(dev_priv, stdu, &crtc->mode, x, y);
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if (ret)
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DRM_ERROR("Failed to define Screen Target of size %dx%d\n",
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crtc->x, crtc->y);
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}
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static void vmw_stdu_crtc_helper_prepare(struct drm_crtc *crtc)
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{
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}
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static void vmw_stdu_crtc_atomic_enable(struct drm_crtc *crtc,
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struct drm_crtc_state *old_state)
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{
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}
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static void vmw_stdu_crtc_atomic_disable(struct drm_crtc *crtc,
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struct drm_crtc_state *old_state)
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{
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struct vmw_private *dev_priv;
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struct vmw_screen_target_display_unit *stdu;
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int ret;
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if (!crtc) {
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DRM_ERROR("CRTC is NULL\n");
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return;
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}
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stdu = vmw_crtc_to_stdu(crtc);
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dev_priv = vmw_priv(crtc->dev);
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if (stdu->defined) {
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ret = vmw_stdu_bind_st(dev_priv, stdu, NULL);
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if (ret)
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DRM_ERROR("Failed to blank CRTC\n");
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(void) vmw_stdu_update_st(dev_priv, stdu);
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ret = vmw_stdu_destroy_st(dev_priv, stdu);
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if (ret)
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DRM_ERROR("Failed to destroy Screen Target\n");
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stdu->content_fb_type = SAME_AS_DISPLAY;
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}
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}
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/**
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* vmw_stdu_bo_clip - Callback to encode a suface DMA command cliprect
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*
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* @dirty: The closure structure.
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*
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* Encodes a surface DMA command cliprect and updates the bounding box
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* for the DMA.
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*/
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static void vmw_stdu_bo_clip(struct vmw_kms_dirty *dirty)
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{
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struct vmw_stdu_dirty *ddirty =
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container_of(dirty, struct vmw_stdu_dirty, base);
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struct vmw_stdu_dma *cmd = dirty->cmd;
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struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1];
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blit += dirty->num_hits;
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blit->srcx = dirty->fb_x;
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blit->srcy = dirty->fb_y;
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blit->x = dirty->unit_x1;
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blit->y = dirty->unit_y1;
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blit->d = 1;
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blit->w = dirty->unit_x2 - dirty->unit_x1;
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blit->h = dirty->unit_y2 - dirty->unit_y1;
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dirty->num_hits++;
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if (ddirty->transfer != SVGA3D_WRITE_HOST_VRAM)
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return;
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/* Destination bounding box */
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ddirty->left = min_t(s32, ddirty->left, dirty->unit_x1);
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ddirty->top = min_t(s32, ddirty->top, dirty->unit_y1);
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ddirty->right = max_t(s32, ddirty->right, dirty->unit_x2);
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ddirty->bottom = max_t(s32, ddirty->bottom, dirty->unit_y2);
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}
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/**
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* vmw_stdu_bo_fifo_commit - Callback to fill in and submit a DMA command.
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*
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* @dirty: The closure structure.
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*
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* Fills in the missing fields in a DMA command, and optionally encodes
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* a screen target update command, depending on transfer direction.
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*/
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static void vmw_stdu_bo_fifo_commit(struct vmw_kms_dirty *dirty)
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{
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struct vmw_stdu_dirty *ddirty =
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container_of(dirty, struct vmw_stdu_dirty, base);
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struct vmw_screen_target_display_unit *stdu =
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container_of(dirty->unit, typeof(*stdu), base);
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struct vmw_stdu_dma *cmd = dirty->cmd;
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struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1];
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SVGA3dCmdSurfaceDMASuffix *suffix =
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(SVGA3dCmdSurfaceDMASuffix *) &blit[dirty->num_hits];
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size_t blit_size = sizeof(*blit) * dirty->num_hits + sizeof(*suffix);
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if (!dirty->num_hits) {
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vmw_fifo_commit(dirty->dev_priv, 0);
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return;
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}
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cmd->header.id = SVGA_3D_CMD_SURFACE_DMA;
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cmd->header.size = sizeof(cmd->body) + blit_size;
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vmw_bo_get_guest_ptr(&ddirty->buf->base, &cmd->body.guest.ptr);
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cmd->body.guest.pitch = ddirty->pitch;
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cmd->body.host.sid = stdu->display_srf->res.id;
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cmd->body.host.face = 0;
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cmd->body.host.mipmap = 0;
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cmd->body.transfer = ddirty->transfer;
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suffix->suffixSize = sizeof(*suffix);
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suffix->maximumOffset = ddirty->buf->base.num_pages * PAGE_SIZE;
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if (ddirty->transfer == SVGA3D_WRITE_HOST_VRAM) {
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blit_size += sizeof(struct vmw_stdu_update);
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vmw_stdu_populate_update(&suffix[1], stdu->base.unit,
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ddirty->left, ddirty->right,
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ddirty->top, ddirty->bottom);
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}
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vmw_fifo_commit(dirty->dev_priv, sizeof(*cmd) + blit_size);
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stdu->display_srf->res.res_dirty = true;
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ddirty->left = ddirty->top = S32_MAX;
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ddirty->right = ddirty->bottom = S32_MIN;
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}
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|
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/**
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* vmw_stdu_bo_cpu_clip - Callback to encode a CPU blit
|
*
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* @dirty: The closure structure.
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*
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* This function calculates the bounding box for all the incoming clips.
|
*/
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static void vmw_stdu_bo_cpu_clip(struct vmw_kms_dirty *dirty)
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{
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struct vmw_stdu_dirty *ddirty =
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container_of(dirty, struct vmw_stdu_dirty, base);
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dirty->num_hits = 1;
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/* Calculate destination bounding box */
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ddirty->left = min_t(s32, ddirty->left, dirty->unit_x1);
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ddirty->top = min_t(s32, ddirty->top, dirty->unit_y1);
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ddirty->right = max_t(s32, ddirty->right, dirty->unit_x2);
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ddirty->bottom = max_t(s32, ddirty->bottom, dirty->unit_y2);
|
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/*
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* Calculate content bounding box. We only need the top-left
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* coordinate because width and height will be the same as the
|
* destination bounding box above
|
*/
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ddirty->fb_left = min_t(s32, ddirty->fb_left, dirty->fb_x);
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ddirty->fb_top = min_t(s32, ddirty->fb_top, dirty->fb_y);
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}
|
|
|
/**
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* vmw_stdu_bo_cpu_commit - Callback to do a CPU blit from buffer object
|
*
|
* @dirty: The closure structure.
|
*
|
* For the special case when we cannot create a proxy surface in a
|
* 2D VM, we have to do a CPU blit ourselves.
|
*/
|
static void vmw_stdu_bo_cpu_commit(struct vmw_kms_dirty *dirty)
|
{
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struct vmw_stdu_dirty *ddirty =
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container_of(dirty, struct vmw_stdu_dirty, base);
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struct vmw_screen_target_display_unit *stdu =
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container_of(dirty->unit, typeof(*stdu), base);
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s32 width, height;
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s32 src_pitch, dst_pitch;
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struct ttm_buffer_object *src_bo, *dst_bo;
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u32 src_offset, dst_offset;
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struct vmw_diff_cpy diff = VMW_CPU_BLIT_DIFF_INITIALIZER(stdu->cpp);
|
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if (!dirty->num_hits)
|
return;
|
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width = ddirty->right - ddirty->left;
|
height = ddirty->bottom - ddirty->top;
|
|
if (width == 0 || height == 0)
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return;
|
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/* Assume we are blitting from Guest (bo) to Host (display_srf) */
|
dst_pitch = stdu->display_srf->metadata.base_size.width * stdu->cpp;
|
dst_bo = &stdu->display_srf->res.backup->base;
|
dst_offset = ddirty->top * dst_pitch + ddirty->left * stdu->cpp;
|
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src_pitch = ddirty->pitch;
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src_bo = &ddirty->buf->base;
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src_offset = ddirty->fb_top * src_pitch + ddirty->fb_left * stdu->cpp;
|
|
/* Swap src and dst if the assumption was wrong. */
|
if (ddirty->transfer != SVGA3D_WRITE_HOST_VRAM) {
|
swap(dst_pitch, src_pitch);
|
swap(dst_bo, src_bo);
|
swap(src_offset, dst_offset);
|
}
|
|
(void) vmw_bo_cpu_blit(dst_bo, dst_offset, dst_pitch,
|
src_bo, src_offset, src_pitch,
|
width * stdu->cpp, height, &diff);
|
|
if (ddirty->transfer == SVGA3D_WRITE_HOST_VRAM &&
|
drm_rect_visible(&diff.rect)) {
|
struct vmw_private *dev_priv;
|
struct vmw_stdu_update *cmd;
|
struct drm_clip_rect region;
|
int ret;
|
|
/* We are updating the actual surface, not a proxy */
|
region.x1 = diff.rect.x1;
|
region.x2 = diff.rect.x2;
|
region.y1 = diff.rect.y1;
|
region.y2 = diff.rect.y2;
|
ret = vmw_kms_update_proxy(&stdu->display_srf->res, ®ion,
|
1, 1);
|
if (ret)
|
goto out_cleanup;
|
|
|
dev_priv = vmw_priv(stdu->base.crtc.dev);
|
cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd));
|
if (!cmd)
|
goto out_cleanup;
|
|
vmw_stdu_populate_update(cmd, stdu->base.unit,
|
region.x1, region.x2,
|
region.y1, region.y2);
|
|
vmw_fifo_commit(dev_priv, sizeof(*cmd));
|
}
|
|
out_cleanup:
|
ddirty->left = ddirty->top = ddirty->fb_left = ddirty->fb_top = S32_MAX;
|
ddirty->right = ddirty->bottom = S32_MIN;
|
}
|
|
/**
|
* vmw_kms_stdu_dma - Perform a DMA transfer between a buffer-object backed
|
* framebuffer and the screen target system.
|
*
|
* @dev_priv: Pointer to the device private structure.
|
* @file_priv: Pointer to a struct drm-file identifying the caller. May be
|
* set to NULL, but then @user_fence_rep must also be set to NULL.
|
* @vfb: Pointer to the buffer-object 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.
|
* @num_clips: Number of clip rects in @clips or @vclips.
|
* @increment: Increment to use when looping over @clips or @vclips.
|
* @to_surface: Whether to DMA to the screen target system as opposed to
|
* from the screen target system.
|
* @interruptible: Whether to perform waits interruptible if possible.
|
* @crtc: If crtc is passed, perform stdu dma on that crtc only.
|
*
|
* If DMA-ing till the screen target system, the function will also notify
|
* the screen target system that a bounding box of the cliprects has been
|
* updated.
|
* Returns 0 on success, negative error code on failure. -ERESTARTSYS if
|
* interrupted.
|
*/
|
int vmw_kms_stdu_dma(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_clip_rect *clips,
|
struct drm_vmw_rect *vclips,
|
uint32_t num_clips,
|
int increment,
|
bool to_surface,
|
bool interruptible,
|
struct drm_crtc *crtc)
|
{
|
struct vmw_buffer_object *buf =
|
container_of(vfb, struct vmw_framebuffer_bo, base)->buffer;
|
struct vmw_stdu_dirty ddirty;
|
int ret;
|
bool cpu_blit = !(dev_priv->capabilities & SVGA_CAP_3D);
|
DECLARE_VAL_CONTEXT(val_ctx, NULL, 0);
|
|
/*
|
* VMs without 3D support don't have the surface DMA command and
|
* we'll be using a CPU blit, and the framebuffer should be moved out
|
* of VRAM.
|
*/
|
ret = vmw_validation_add_bo(&val_ctx, buf, false, cpu_blit);
|
if (ret)
|
return ret;
|
|
ret = vmw_validation_prepare(&val_ctx, NULL, interruptible);
|
if (ret)
|
goto out_unref;
|
|
ddirty.transfer = (to_surface) ? SVGA3D_WRITE_HOST_VRAM :
|
SVGA3D_READ_HOST_VRAM;
|
ddirty.left = ddirty.top = S32_MAX;
|
ddirty.right = ddirty.bottom = S32_MIN;
|
ddirty.fb_left = ddirty.fb_top = S32_MAX;
|
ddirty.pitch = vfb->base.pitches[0];
|
ddirty.buf = buf;
|
ddirty.base.fifo_commit = vmw_stdu_bo_fifo_commit;
|
ddirty.base.clip = vmw_stdu_bo_clip;
|
ddirty.base.fifo_reserve_size = sizeof(struct vmw_stdu_dma) +
|
num_clips * sizeof(SVGA3dCopyBox) +
|
sizeof(SVGA3dCmdSurfaceDMASuffix);
|
if (to_surface)
|
ddirty.base.fifo_reserve_size += sizeof(struct vmw_stdu_update);
|
|
|
if (cpu_blit) {
|
ddirty.base.fifo_commit = vmw_stdu_bo_cpu_commit;
|
ddirty.base.clip = vmw_stdu_bo_cpu_clip;
|
ddirty.base.fifo_reserve_size = 0;
|
}
|
|
ddirty.base.crtc = crtc;
|
|
ret = vmw_kms_helper_dirty(dev_priv, vfb, clips, vclips,
|
0, 0, num_clips, increment, &ddirty.base);
|
|
vmw_kms_helper_validation_finish(dev_priv, file_priv, &val_ctx, NULL,
|
user_fence_rep);
|
return ret;
|
|
out_unref:
|
vmw_validation_unref_lists(&val_ctx);
|
return ret;
|
}
|
|
/**
|
* vmw_stdu_surface_clip - Callback to encode a surface copy command cliprect
|
*
|
* @dirty: The closure structure.
|
*
|
* Encodes a surface copy command cliprect and updates the bounding box
|
* for the copy.
|
*/
|
static void vmw_kms_stdu_surface_clip(struct vmw_kms_dirty *dirty)
|
{
|
struct vmw_stdu_dirty *sdirty =
|
container_of(dirty, struct vmw_stdu_dirty, base);
|
struct vmw_stdu_surface_copy *cmd = dirty->cmd;
|
struct vmw_screen_target_display_unit *stdu =
|
container_of(dirty->unit, typeof(*stdu), base);
|
|
if (sdirty->sid != stdu->display_srf->res.id) {
|
struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1];
|
|
blit += dirty->num_hits;
|
blit->srcx = dirty->fb_x;
|
blit->srcy = dirty->fb_y;
|
blit->x = dirty->unit_x1;
|
blit->y = dirty->unit_y1;
|
blit->d = 1;
|
blit->w = dirty->unit_x2 - dirty->unit_x1;
|
blit->h = dirty->unit_y2 - dirty->unit_y1;
|
}
|
|
dirty->num_hits++;
|
|
/* 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);
|
}
|
|
/**
|
* vmw_stdu_surface_fifo_commit - Callback to fill in and submit a surface
|
* copy command.
|
*
|
* @dirty: The closure structure.
|
*
|
* Fills in the missing fields in a surface copy command, and encodes a screen
|
* target update command.
|
*/
|
static void vmw_kms_stdu_surface_fifo_commit(struct vmw_kms_dirty *dirty)
|
{
|
struct vmw_stdu_dirty *sdirty =
|
container_of(dirty, struct vmw_stdu_dirty, base);
|
struct vmw_screen_target_display_unit *stdu =
|
container_of(dirty->unit, typeof(*stdu), base);
|
struct vmw_stdu_surface_copy *cmd = dirty->cmd;
|
struct vmw_stdu_update *update;
|
size_t blit_size = sizeof(SVGA3dCopyBox) * dirty->num_hits;
|
size_t commit_size;
|
|
if (!dirty->num_hits) {
|
vmw_fifo_commit(dirty->dev_priv, 0);
|
return;
|
}
|
|
if (sdirty->sid != stdu->display_srf->res.id) {
|
struct SVGA3dCopyBox *blit = (struct SVGA3dCopyBox *) &cmd[1];
|
|
cmd->header.id = SVGA_3D_CMD_SURFACE_COPY;
|
cmd->header.size = sizeof(cmd->body) + blit_size;
|
cmd->body.src.sid = sdirty->sid;
|
cmd->body.dest.sid = stdu->display_srf->res.id;
|
update = (struct vmw_stdu_update *) &blit[dirty->num_hits];
|
commit_size = sizeof(*cmd) + blit_size + sizeof(*update);
|
stdu->display_srf->res.res_dirty = true;
|
} else {
|
update = dirty->cmd;
|
commit_size = sizeof(*update);
|
}
|
|
vmw_stdu_populate_update(update, stdu->base.unit, sdirty->left,
|
sdirty->right, sdirty->top, sdirty->bottom);
|
|
vmw_fifo_commit(dirty->dev_priv, commit_size);
|
|
sdirty->left = sdirty->top = S32_MAX;
|
sdirty->right = sdirty->bottom = S32_MIN;
|
}
|
|
/**
|
* vmw_kms_stdu_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_stdu_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_stdu_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;
|
|
if (vfbs->is_bo_proxy) {
|
ret = vmw_kms_update_proxy(srf, clips, num_clips, inc);
|
if (ret)
|
goto out_finish;
|
}
|
|
sdirty.base.fifo_commit = vmw_kms_stdu_surface_fifo_commit;
|
sdirty.base.clip = vmw_kms_stdu_surface_clip;
|
sdirty.base.fifo_reserve_size = sizeof(struct vmw_stdu_surface_copy) +
|
sizeof(SVGA3dCopyBox) * num_clips +
|
sizeof(struct vmw_stdu_update);
|
sdirty.base.crtc = crtc;
|
sdirty.sid = srf->id;
|
sdirty.left = sdirty.top = S32_MAX;
|
sdirty.right = sdirty.bottom = S32_MIN;
|
|
ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips,
|
dest_x, dest_y, num_clips, inc,
|
&sdirty.base);
|
out_finish:
|
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;
|
}
|
|
|
/*
|
* Screen Target CRTC dispatch table
|
*/
|
static const struct drm_crtc_funcs vmw_stdu_crtc_funcs = {
|
.gamma_set = vmw_du_crtc_gamma_set,
|
.destroy = vmw_stdu_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,
|
.get_vblank_counter = vmw_get_vblank_counter,
|
.enable_vblank = vmw_enable_vblank,
|
.disable_vblank = vmw_disable_vblank,
|
};
|
|
|
|
/******************************************************************************
|
* Screen Target Display Unit Encoder Functions
|
*****************************************************************************/
|
|
/**
|
* vmw_stdu_encoder_destroy - cleans up the STDU
|
*
|
* @encoder: used the get the containing STDU
|
*
|
* vmwgfx cleans up crtc/encoder/connector all at the same time so technically
|
* this can be a no-op. Nevertheless, it doesn't hurt of have this in case
|
* the common KMS code changes and somehow vmw_stdu_crtc_destroy() doesn't
|
* get called.
|
*/
|
static void vmw_stdu_encoder_destroy(struct drm_encoder *encoder)
|
{
|
vmw_stdu_destroy(vmw_encoder_to_stdu(encoder));
|
}
|
|
static const struct drm_encoder_funcs vmw_stdu_encoder_funcs = {
|
.destroy = vmw_stdu_encoder_destroy,
|
};
|
|
|
|
/******************************************************************************
|
* Screen Target Display Unit Connector Functions
|
*****************************************************************************/
|
|
/**
|
* vmw_stdu_connector_destroy - cleans up the STDU
|
*
|
* @connector: used to get the containing STDU
|
*
|
* vmwgfx cleans up crtc/encoder/connector all at the same time so technically
|
* this can be a no-op. Nevertheless, it doesn't hurt of have this in case
|
* the common KMS code changes and somehow vmw_stdu_crtc_destroy() doesn't
|
* get called.
|
*/
|
static void vmw_stdu_connector_destroy(struct drm_connector *connector)
|
{
|
vmw_stdu_destroy(vmw_connector_to_stdu(connector));
|
}
|
|
|
|
static const struct drm_connector_funcs vmw_stdu_connector_funcs = {
|
.dpms = vmw_du_connector_dpms,
|
.detect = vmw_du_connector_detect,
|
.fill_modes = vmw_du_connector_fill_modes,
|
.destroy = vmw_stdu_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_stdu_connector_helper_funcs = {
|
};
|
|
|
|
/******************************************************************************
|
* Screen Target Display Plane Functions
|
*****************************************************************************/
|
|
|
|
/**
|
* vmw_stdu_primary_plane_cleanup_fb - Unpins the display surface
|
*
|
* @plane: display plane
|
* @old_state: Contains the FB to clean up
|
*
|
* Unpins the display surface
|
*
|
* Returns 0 on success
|
*/
|
static void
|
vmw_stdu_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);
|
|
if (vps->surf)
|
WARN_ON(!vps->pinned);
|
|
vmw_du_plane_cleanup_fb(plane, old_state);
|
|
vps->content_fb_type = SAME_AS_DISPLAY;
|
vps->cpp = 0;
|
}
|
|
|
|
/**
|
* vmw_stdu_primary_plane_prepare_fb - Readies the display surface
|
*
|
* @plane: display plane
|
* @new_state: info on the new plane state, including the FB
|
*
|
* This function allocates a new display surface if the content is
|
* backed by a buffer object. The display surface is pinned here, and it'll
|
* be unpinned in .cleanup_fb()
|
*
|
* Returns 0 on success
|
*/
|
static int
|
vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
|
struct drm_plane_state *new_state)
|
{
|
struct vmw_private *dev_priv = vmw_priv(plane->dev);
|
struct drm_framebuffer *new_fb = new_state->fb;
|
struct vmw_framebuffer *vfb;
|
struct vmw_plane_state *vps = vmw_plane_state_to_vps(new_state);
|
enum stdu_content_type new_content_type;
|
struct vmw_framebuffer_surface *new_vfbs;
|
uint32_t hdisplay = new_state->crtc_w, vdisplay = new_state->crtc_h;
|
int ret;
|
|
/* No FB to prepare */
|
if (!new_fb) {
|
if (vps->surf) {
|
WARN_ON(vps->pinned != 0);
|
vmw_surface_unreference(&vps->surf);
|
}
|
|
return 0;
|
}
|
|
vfb = vmw_framebuffer_to_vfb(new_fb);
|
new_vfbs = (vfb->bo) ? NULL : vmw_framebuffer_to_vfbs(new_fb);
|
|
if (new_vfbs &&
|
new_vfbs->surface->metadata.base_size.width == hdisplay &&
|
new_vfbs->surface->metadata.base_size.height == vdisplay)
|
new_content_type = SAME_AS_DISPLAY;
|
else if (vfb->bo)
|
new_content_type = SEPARATE_BO;
|
else
|
new_content_type = SEPARATE_SURFACE;
|
|
if (new_content_type != SAME_AS_DISPLAY) {
|
struct vmw_surface_metadata metadata = {0};
|
|
/*
|
* If content buffer is a buffer object, then we have to
|
* construct surface info
|
*/
|
if (new_content_type == SEPARATE_BO) {
|
|
switch (new_fb->format->cpp[0]*8) {
|
case 32:
|
metadata.format = SVGA3D_X8R8G8B8;
|
break;
|
|
case 16:
|
metadata.format = SVGA3D_R5G6B5;
|
break;
|
|
case 8:
|
metadata.format = SVGA3D_P8;
|
break;
|
|
default:
|
DRM_ERROR("Invalid format\n");
|
return -EINVAL;
|
}
|
|
metadata.mip_levels[0] = 1;
|
metadata.num_sizes = 1;
|
metadata.scanout = true;
|
} else {
|
metadata = new_vfbs->surface->metadata;
|
}
|
|
metadata.base_size.width = hdisplay;
|
metadata.base_size.height = vdisplay;
|
metadata.base_size.depth = 1;
|
|
if (vps->surf) {
|
struct drm_vmw_size cur_base_size =
|
vps->surf->metadata.base_size;
|
|
if (cur_base_size.width != metadata.base_size.width ||
|
cur_base_size.height != metadata.base_size.height ||
|
vps->surf->metadata.format != metadata.format) {
|
WARN_ON(vps->pinned != 0);
|
vmw_surface_unreference(&vps->surf);
|
}
|
|
}
|
|
if (!vps->surf) {
|
ret = vmw_gb_surface_define(dev_priv, 0, &metadata,
|
&vps->surf);
|
if (ret != 0) {
|
DRM_ERROR("Couldn't allocate STDU surface.\n");
|
return ret;
|
}
|
}
|
} else {
|
/*
|
* prepare_fb and clean_fb should only take care of pinning
|
* and unpinning. References are tracked by state objects.
|
* The only time we add a reference in prepare_fb is if the
|
* state object doesn't have a reference to begin with
|
*/
|
if (vps->surf) {
|
WARN_ON(vps->pinned != 0);
|
vmw_surface_unreference(&vps->surf);
|
}
|
|
vps->surf = vmw_surface_reference(new_vfbs->surface);
|
}
|
|
if (vps->surf) {
|
|
/* Pin new surface before flipping */
|
ret = vmw_resource_pin(&vps->surf->res, false);
|
if (ret)
|
goto out_srf_unref;
|
|
vps->pinned++;
|
}
|
|
vps->content_fb_type = new_content_type;
|
|
/*
|
* This should only happen if the buffer object is too large to create a
|
* proxy surface for.
|
* If we are a 2D VM with a buffer object then we have to use CPU blit
|
* so cache these mappings
|
*/
|
if (vps->content_fb_type == SEPARATE_BO &&
|
!(dev_priv->capabilities & SVGA_CAP_3D))
|
vps->cpp = new_fb->pitches[0] / new_fb->width;
|
|
return 0;
|
|
out_srf_unref:
|
vmw_surface_unreference(&vps->surf);
|
return ret;
|
}
|
|
static uint32_t vmw_stdu_bo_fifo_size(struct vmw_du_update_plane *update,
|
uint32_t num_hits)
|
{
|
return sizeof(struct vmw_stdu_dma) + sizeof(SVGA3dCopyBox) * num_hits +
|
sizeof(SVGA3dCmdSurfaceDMASuffix) +
|
sizeof(struct vmw_stdu_update);
|
}
|
|
static uint32_t vmw_stdu_bo_fifo_size_cpu(struct vmw_du_update_plane *update,
|
uint32_t num_hits)
|
{
|
return sizeof(struct vmw_stdu_update_gb_image) +
|
sizeof(struct vmw_stdu_update);
|
}
|
|
static uint32_t vmw_stdu_bo_populate_dma(struct vmw_du_update_plane *update,
|
void *cmd, uint32_t num_hits)
|
{
|
struct vmw_screen_target_display_unit *stdu;
|
struct vmw_framebuffer_bo *vfbbo;
|
struct vmw_stdu_dma *cmd_dma = cmd;
|
|
stdu = container_of(update->du, typeof(*stdu), base);
|
vfbbo = container_of(update->vfb, typeof(*vfbbo), base);
|
|
cmd_dma->header.id = SVGA_3D_CMD_SURFACE_DMA;
|
cmd_dma->header.size = sizeof(cmd_dma->body) +
|
sizeof(struct SVGA3dCopyBox) * num_hits +
|
sizeof(SVGA3dCmdSurfaceDMASuffix);
|
vmw_bo_get_guest_ptr(&vfbbo->buffer->base, &cmd_dma->body.guest.ptr);
|
cmd_dma->body.guest.pitch = update->vfb->base.pitches[0];
|
cmd_dma->body.host.sid = stdu->display_srf->res.id;
|
cmd_dma->body.host.face = 0;
|
cmd_dma->body.host.mipmap = 0;
|
cmd_dma->body.transfer = SVGA3D_WRITE_HOST_VRAM;
|
|
return sizeof(*cmd_dma);
|
}
|
|
static uint32_t vmw_stdu_bo_populate_clip(struct vmw_du_update_plane *update,
|
void *cmd, struct drm_rect *clip,
|
uint32_t fb_x, uint32_t fb_y)
|
{
|
struct SVGA3dCopyBox *box = cmd;
|
|
box->srcx = fb_x;
|
box->srcy = fb_y;
|
box->srcz = 0;
|
box->x = clip->x1;
|
box->y = clip->y1;
|
box->z = 0;
|
box->w = drm_rect_width(clip);
|
box->h = drm_rect_height(clip);
|
box->d = 1;
|
|
return sizeof(*box);
|
}
|
|
static uint32_t vmw_stdu_bo_populate_update(struct vmw_du_update_plane *update,
|
void *cmd, struct drm_rect *bb)
|
{
|
struct vmw_screen_target_display_unit *stdu;
|
struct vmw_framebuffer_bo *vfbbo;
|
SVGA3dCmdSurfaceDMASuffix *suffix = cmd;
|
|
stdu = container_of(update->du, typeof(*stdu), base);
|
vfbbo = container_of(update->vfb, typeof(*vfbbo), base);
|
|
suffix->suffixSize = sizeof(*suffix);
|
suffix->maximumOffset = vfbbo->buffer->base.num_pages * PAGE_SIZE;
|
|
vmw_stdu_populate_update(&suffix[1], stdu->base.unit, bb->x1, bb->x2,
|
bb->y1, bb->y2);
|
|
return sizeof(*suffix) + sizeof(struct vmw_stdu_update);
|
}
|
|
static uint32_t vmw_stdu_bo_pre_clip_cpu(struct vmw_du_update_plane *update,
|
void *cmd, uint32_t num_hits)
|
{
|
struct vmw_du_update_plane_buffer *bo_update =
|
container_of(update, typeof(*bo_update), base);
|
|
bo_update->fb_left = INT_MAX;
|
bo_update->fb_top = INT_MAX;
|
|
return 0;
|
}
|
|
static uint32_t vmw_stdu_bo_clip_cpu(struct vmw_du_update_plane *update,
|
void *cmd, struct drm_rect *clip,
|
uint32_t fb_x, uint32_t fb_y)
|
{
|
struct vmw_du_update_plane_buffer *bo_update =
|
container_of(update, typeof(*bo_update), base);
|
|
bo_update->fb_left = min_t(int, bo_update->fb_left, fb_x);
|
bo_update->fb_top = min_t(int, bo_update->fb_top, fb_y);
|
|
return 0;
|
}
|
|
static uint32_t
|
vmw_stdu_bo_populate_update_cpu(struct vmw_du_update_plane *update, void *cmd,
|
struct drm_rect *bb)
|
{
|
struct vmw_du_update_plane_buffer *bo_update;
|
struct vmw_screen_target_display_unit *stdu;
|
struct vmw_framebuffer_bo *vfbbo;
|
struct vmw_diff_cpy diff = VMW_CPU_BLIT_DIFF_INITIALIZER(0);
|
struct vmw_stdu_update_gb_image *cmd_img = cmd;
|
struct vmw_stdu_update *cmd_update;
|
struct ttm_buffer_object *src_bo, *dst_bo;
|
u32 src_offset, dst_offset;
|
s32 src_pitch, dst_pitch;
|
s32 width, height;
|
|
bo_update = container_of(update, typeof(*bo_update), base);
|
stdu = container_of(update->du, typeof(*stdu), base);
|
vfbbo = container_of(update->vfb, typeof(*vfbbo), base);
|
|
width = bb->x2 - bb->x1;
|
height = bb->y2 - bb->y1;
|
|
diff.cpp = stdu->cpp;
|
|
dst_bo = &stdu->display_srf->res.backup->base;
|
dst_pitch = stdu->display_srf->metadata.base_size.width * stdu->cpp;
|
dst_offset = bb->y1 * dst_pitch + bb->x1 * stdu->cpp;
|
|
src_bo = &vfbbo->buffer->base;
|
src_pitch = update->vfb->base.pitches[0];
|
src_offset = bo_update->fb_top * src_pitch + bo_update->fb_left *
|
stdu->cpp;
|
|
(void) vmw_bo_cpu_blit(dst_bo, dst_offset, dst_pitch, src_bo,
|
src_offset, src_pitch, width * stdu->cpp, height,
|
&diff);
|
|
if (drm_rect_visible(&diff.rect)) {
|
SVGA3dBox *box = &cmd_img->body.box;
|
|
cmd_img->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
|
cmd_img->header.size = sizeof(cmd_img->body);
|
cmd_img->body.image.sid = stdu->display_srf->res.id;
|
cmd_img->body.image.face = 0;
|
cmd_img->body.image.mipmap = 0;
|
|
box->x = diff.rect.x1;
|
box->y = diff.rect.y1;
|
box->z = 0;
|
box->w = drm_rect_width(&diff.rect);
|
box->h = drm_rect_height(&diff.rect);
|
box->d = 1;
|
|
cmd_update = (struct vmw_stdu_update *)&cmd_img[1];
|
vmw_stdu_populate_update(cmd_update, stdu->base.unit,
|
diff.rect.x1, diff.rect.x2,
|
diff.rect.y1, diff.rect.y2);
|
|
return sizeof(*cmd_img) + sizeof(*cmd_update);
|
}
|
|
return 0;
|
}
|
|
/**
|
* vmw_stdu_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_stdu_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 = !(dev_priv->capabilities & SVGA_CAP_3D);
|
bo_update.base.intr = false;
|
|
/*
|
* VM without 3D support don't have surface DMA command and framebuffer
|
* should be moved out of VRAM.
|
*/
|
if (bo_update.base.cpu_blit) {
|
bo_update.base.calc_fifo_size = vmw_stdu_bo_fifo_size_cpu;
|
bo_update.base.pre_clip = vmw_stdu_bo_pre_clip_cpu;
|
bo_update.base.clip = vmw_stdu_bo_clip_cpu;
|
bo_update.base.post_clip = vmw_stdu_bo_populate_update_cpu;
|
} else {
|
bo_update.base.calc_fifo_size = vmw_stdu_bo_fifo_size;
|
bo_update.base.pre_clip = vmw_stdu_bo_populate_dma;
|
bo_update.base.clip = vmw_stdu_bo_populate_clip;
|
bo_update.base.post_clip = vmw_stdu_bo_populate_update;
|
}
|
|
return vmw_du_helper_plane_update(&bo_update.base);
|
}
|
|
static uint32_t
|
vmw_stdu_surface_fifo_size_same_display(struct vmw_du_update_plane *update,
|
uint32_t num_hits)
|
{
|
struct vmw_framebuffer_surface *vfbs;
|
uint32_t size = 0;
|
|
vfbs = container_of(update->vfb, typeof(*vfbs), base);
|
|
if (vfbs->is_bo_proxy)
|
size += sizeof(struct vmw_stdu_update_gb_image) * num_hits;
|
|
size += sizeof(struct vmw_stdu_update);
|
|
return size;
|
}
|
|
static uint32_t vmw_stdu_surface_fifo_size(struct vmw_du_update_plane *update,
|
uint32_t num_hits)
|
{
|
struct vmw_framebuffer_surface *vfbs;
|
uint32_t size = 0;
|
|
vfbs = container_of(update->vfb, typeof(*vfbs), base);
|
|
if (vfbs->is_bo_proxy)
|
size += sizeof(struct vmw_stdu_update_gb_image) * num_hits;
|
|
size += sizeof(struct vmw_stdu_surface_copy) + sizeof(SVGA3dCopyBox) *
|
num_hits + sizeof(struct vmw_stdu_update);
|
|
return size;
|
}
|
|
static uint32_t
|
vmw_stdu_surface_update_proxy(struct vmw_du_update_plane *update, void *cmd)
|
{
|
struct vmw_framebuffer_surface *vfbs;
|
struct drm_plane_state *state = update->plane->state;
|
struct drm_plane_state *old_state = update->old_state;
|
struct vmw_stdu_update_gb_image *cmd_update = cmd;
|
struct drm_atomic_helper_damage_iter iter;
|
struct drm_rect clip;
|
uint32_t copy_size = 0;
|
|
vfbs = container_of(update->vfb, typeof(*vfbs), base);
|
|
/*
|
* proxy surface is special where a buffer object type fb is wrapped
|
* in a surface and need an update gb image command to sync with device.
|
*/
|
drm_atomic_helper_damage_iter_init(&iter, old_state, state);
|
drm_atomic_for_each_plane_damage(&iter, &clip) {
|
SVGA3dBox *box = &cmd_update->body.box;
|
|
cmd_update->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
|
cmd_update->header.size = sizeof(cmd_update->body);
|
cmd_update->body.image.sid = vfbs->surface->res.id;
|
cmd_update->body.image.face = 0;
|
cmd_update->body.image.mipmap = 0;
|
|
box->x = clip.x1;
|
box->y = clip.y1;
|
box->z = 0;
|
box->w = drm_rect_width(&clip);
|
box->h = drm_rect_height(&clip);
|
box->d = 1;
|
|
copy_size += sizeof(*cmd_update);
|
cmd_update++;
|
}
|
|
return copy_size;
|
}
|
|
static uint32_t
|
vmw_stdu_surface_populate_copy(struct vmw_du_update_plane *update, void *cmd,
|
uint32_t num_hits)
|
{
|
struct vmw_screen_target_display_unit *stdu;
|
struct vmw_framebuffer_surface *vfbs;
|
struct vmw_stdu_surface_copy *cmd_copy = cmd;
|
|
stdu = container_of(update->du, typeof(*stdu), base);
|
vfbs = container_of(update->vfb, typeof(*vfbs), base);
|
|
cmd_copy->header.id = SVGA_3D_CMD_SURFACE_COPY;
|
cmd_copy->header.size = sizeof(cmd_copy->body) + sizeof(SVGA3dCopyBox) *
|
num_hits;
|
cmd_copy->body.src.sid = vfbs->surface->res.id;
|
cmd_copy->body.dest.sid = stdu->display_srf->res.id;
|
|
return sizeof(*cmd_copy);
|
}
|
|
static uint32_t
|
vmw_stdu_surface_populate_clip(struct vmw_du_update_plane *update, void *cmd,
|
struct drm_rect *clip, uint32_t fb_x,
|
uint32_t fb_y)
|
{
|
struct SVGA3dCopyBox *box = cmd;
|
|
box->srcx = fb_x;
|
box->srcy = fb_y;
|
box->srcz = 0;
|
box->x = clip->x1;
|
box->y = clip->y1;
|
box->z = 0;
|
box->w = drm_rect_width(clip);
|
box->h = drm_rect_height(clip);
|
box->d = 1;
|
|
return sizeof(*box);
|
}
|
|
static uint32_t
|
vmw_stdu_surface_populate_update(struct vmw_du_update_plane *update, void *cmd,
|
struct drm_rect *bb)
|
{
|
vmw_stdu_populate_update(cmd, update->du->unit, bb->x1, bb->x2, bb->y1,
|
bb->y2);
|
|
return sizeof(struct vmw_stdu_update);
|
}
|
|
/**
|
* vmw_stdu_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_stdu_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 srf_update;
|
struct vmw_screen_target_display_unit *stdu;
|
struct vmw_framebuffer_surface *vfbs;
|
|
stdu = vmw_crtc_to_stdu(plane->state->crtc);
|
vfbs = container_of(vfb, typeof(*vfbs), base);
|
|
memset(&srf_update, 0, sizeof(struct vmw_du_update_plane));
|
srf_update.plane = plane;
|
srf_update.old_state = old_state;
|
srf_update.dev_priv = dev_priv;
|
srf_update.du = vmw_crtc_to_du(plane->state->crtc);
|
srf_update.vfb = vfb;
|
srf_update.out_fence = out_fence;
|
srf_update.mutex = &dev_priv->cmdbuf_mutex;
|
srf_update.cpu_blit = false;
|
srf_update.intr = true;
|
|
if (vfbs->is_bo_proxy)
|
srf_update.post_prepare = vmw_stdu_surface_update_proxy;
|
|
if (vfbs->surface->res.id != stdu->display_srf->res.id) {
|
srf_update.calc_fifo_size = vmw_stdu_surface_fifo_size;
|
srf_update.pre_clip = vmw_stdu_surface_populate_copy;
|
srf_update.clip = vmw_stdu_surface_populate_clip;
|
} else {
|
srf_update.calc_fifo_size =
|
vmw_stdu_surface_fifo_size_same_display;
|
}
|
|
srf_update.post_clip = vmw_stdu_surface_populate_update;
|
|
return vmw_du_helper_plane_update(&srf_update);
|
}
|
|
/**
|
* vmw_stdu_primary_plane_atomic_update - formally switches STDU to new plane
|
* @plane: display plane
|
* @old_state: Only used to get crtc info
|
*
|
* Formally update stdu->display_srf to the new plane, and bind the new
|
* plane STDU. This function is called during the commit phase when
|
* all the preparation have been done and all the configurations have
|
* been checked.
|
*/
|
static void
|
vmw_stdu_primary_plane_atomic_update(struct drm_plane *plane,
|
struct drm_plane_state *old_state)
|
{
|
struct vmw_plane_state *vps = vmw_plane_state_to_vps(plane->state);
|
struct drm_crtc *crtc = plane->state->crtc;
|
struct vmw_screen_target_display_unit *stdu;
|
struct drm_pending_vblank_event *event;
|
struct vmw_fence_obj *fence = NULL;
|
struct vmw_private *dev_priv;
|
int ret;
|
|
/* If case of device error, maintain consistent atomic state */
|
if (crtc && plane->state->fb) {
|
struct vmw_framebuffer *vfb =
|
vmw_framebuffer_to_vfb(plane->state->fb);
|
stdu = vmw_crtc_to_stdu(crtc);
|
dev_priv = vmw_priv(crtc->dev);
|
|
stdu->display_srf = vps->surf;
|
stdu->content_fb_type = vps->content_fb_type;
|
stdu->cpp = vps->cpp;
|
|
ret = vmw_stdu_bind_st(dev_priv, stdu, &stdu->display_srf->res);
|
if (ret)
|
DRM_ERROR("Failed to bind surface to STDU.\n");
|
|
if (vfb->bo)
|
ret = vmw_stdu_plane_update_bo(dev_priv, plane,
|
old_state, vfb, &fence);
|
else
|
ret = vmw_stdu_plane_update_surface(dev_priv, plane,
|
old_state, vfb,
|
&fence);
|
if (ret)
|
DRM_ERROR("Failed to update STDU.\n");
|
} else {
|
crtc = old_state->crtc;
|
stdu = vmw_crtc_to_stdu(crtc);
|
dev_priv = vmw_priv(crtc->dev);
|
|
/* Blank STDU when fb and crtc are NULL */
|
if (!stdu->defined)
|
return;
|
|
ret = vmw_stdu_bind_st(dev_priv, stdu, NULL);
|
if (ret)
|
DRM_ERROR("Failed to blank STDU\n");
|
|
ret = vmw_stdu_update_st(dev_priv, stdu);
|
if (ret)
|
DRM_ERROR("Failed to update STDU.\n");
|
|
return;
|
}
|
|
/* In case of error, vblank event is send in vmw_du_crtc_atomic_flush */
|
event = crtc->state->event;
|
if (event && fence) {
|
struct drm_file *file_priv = event->base.file_priv;
|
|
ret = vmw_event_fence_action_queue(file_priv,
|
fence,
|
&event->base,
|
&event->event.vbl.tv_sec,
|
&event->event.vbl.tv_usec,
|
true);
|
if (ret)
|
DRM_ERROR("Failed to queue event on fence.\n");
|
else
|
crtc->state->event = NULL;
|
}
|
|
if (fence)
|
vmw_fence_obj_unreference(&fence);
|
}
|
|
|
static const struct drm_plane_funcs vmw_stdu_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_stdu_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_stdu_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_plane_cleanup_fb,
|
};
|
|
static const struct
|
drm_plane_helper_funcs vmw_stdu_primary_plane_helper_funcs = {
|
.atomic_check = vmw_du_primary_plane_atomic_check,
|
.atomic_update = vmw_stdu_primary_plane_atomic_update,
|
.prepare_fb = vmw_stdu_primary_plane_prepare_fb,
|
.cleanup_fb = vmw_stdu_primary_plane_cleanup_fb,
|
};
|
|
static const struct drm_crtc_helper_funcs vmw_stdu_crtc_helper_funcs = {
|
.prepare = vmw_stdu_crtc_helper_prepare,
|
.mode_set_nofb = vmw_stdu_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_stdu_crtc_atomic_enable,
|
.atomic_disable = vmw_stdu_crtc_atomic_disable,
|
};
|
|
|
/**
|
* vmw_stdu_init - Sets up a Screen Target Display Unit
|
*
|
* @dev_priv: VMW DRM device
|
* @unit: unit number range from 0 to VMWGFX_NUM_DISPLAY_UNITS
|
*
|
* This function is called once per CRTC, and allocates one Screen Target
|
* display unit to represent that CRTC. Since the SVGA device does not separate
|
* out encoder and connector, they are represented as part of the STDU as well.
|
*/
|
static int vmw_stdu_init(struct vmw_private *dev_priv, unsigned unit)
|
{
|
struct vmw_screen_target_display_unit *stdu;
|
struct drm_device *dev = dev_priv->dev;
|
struct drm_connector *connector;
|
struct drm_encoder *encoder;
|
struct drm_plane *primary, *cursor;
|
struct drm_crtc *crtc;
|
int ret;
|
|
|
stdu = kzalloc(sizeof(*stdu), GFP_KERNEL);
|
if (!stdu)
|
return -ENOMEM;
|
|
stdu->base.unit = unit;
|
crtc = &stdu->base.crtc;
|
encoder = &stdu->base.encoder;
|
connector = &stdu->base.connector;
|
primary = &stdu->base.primary;
|
cursor = &stdu->base.cursor;
|
|
stdu->base.pref_active = (unit == 0);
|
stdu->base.pref_width = dev_priv->initial_width;
|
stdu->base.pref_height = dev_priv->initial_height;
|
stdu->base.is_implicit = false;
|
|
/* Initialize primary plane */
|
ret = drm_universal_plane_init(dev, primary,
|
0, &vmw_stdu_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_stdu_primary_plane_helper_funcs);
|
drm_plane_enable_fb_damage_clips(primary);
|
|
/* Initialize cursor plane */
|
ret = drm_universal_plane_init(dev, cursor,
|
0, &vmw_stdu_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(&stdu->base.primary);
|
goto err_free;
|
}
|
|
drm_plane_helper_add(cursor, &vmw_stdu_cursor_plane_helper_funcs);
|
|
ret = drm_connector_init(dev, connector, &vmw_stdu_connector_funcs,
|
DRM_MODE_CONNECTOR_VIRTUAL);
|
if (ret) {
|
DRM_ERROR("Failed to initialize connector\n");
|
goto err_free;
|
}
|
|
drm_connector_helper_add(connector, &vmw_stdu_connector_helper_funcs);
|
connector->status = vmw_du_connector_detect(connector, false);
|
|
ret = drm_encoder_init(dev, encoder, &vmw_stdu_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, &stdu->base.primary,
|
&stdu->base.cursor,
|
&vmw_stdu_crtc_funcs, NULL);
|
if (ret) {
|
DRM_ERROR("Failed to initialize CRTC\n");
|
goto err_free_unregister;
|
}
|
|
drm_crtc_helper_add(crtc, &vmw_stdu_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(stdu);
|
return ret;
|
}
|
|
|
|
/**
|
* vmw_stdu_destroy - Cleans up a vmw_screen_target_display_unit
|
*
|
* @stdu: Screen Target Display Unit to be destroyed
|
*
|
* Clean up after vmw_stdu_init
|
*/
|
static void vmw_stdu_destroy(struct vmw_screen_target_display_unit *stdu)
|
{
|
vmw_du_cleanup(&stdu->base);
|
kfree(stdu);
|
}
|
|
|
|
/******************************************************************************
|
* Screen Target Display KMS Functions
|
*
|
* These functions are called by the common KMS code in vmwgfx_kms.c
|
*****************************************************************************/
|
|
/**
|
* vmw_kms_stdu_init_display - Initializes a Screen Target based display
|
*
|
* @dev_priv: VMW DRM device
|
*
|
* This function initialize a Screen Target based display device. It checks
|
* the capability bits to make sure the underlying hardware can support
|
* screen targets, and then creates the maximum number of CRTCs, a.k.a Display
|
* Units, as supported by the display hardware.
|
*
|
* RETURNS:
|
* 0 on success, error code otherwise
|
*/
|
int vmw_kms_stdu_init_display(struct vmw_private *dev_priv)
|
{
|
struct drm_device *dev = dev_priv->dev;
|
int i, ret;
|
|
|
/* Do nothing if Screen Target support is turned off */
|
if (!VMWGFX_ENABLE_SCREEN_TARGET_OTABLE || !dev_priv->has_mob)
|
return -ENOSYS;
|
|
if (!(dev_priv->capabilities & SVGA_CAP_GBOBJECTS))
|
return -ENOSYS;
|
|
ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS);
|
if (unlikely(ret != 0))
|
return ret;
|
|
dev_priv->active_display_unit = vmw_du_screen_target;
|
|
for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i) {
|
ret = vmw_stdu_init(dev_priv, i);
|
|
if (unlikely(ret != 0)) {
|
DRM_ERROR("Failed to initialize STDU %d", i);
|
return ret;
|
}
|
}
|
|
drm_mode_config_reset(dev);
|
|
DRM_INFO("Screen Target Display device initialized\n");
|
|
return 0;
|
}
|
