From: Martin Krastev krastevm@vmware.com
* Add support for CursorMob * Add support for CursorBypass 4
Reviewed-by: Zack Rusin zackr@vmware.com Signed-off-by: Martin Krastev krastevm@vmware.com Signed-off-by: Zack Rusin zackr@vmware.com --- drivers/gpu/drm/vmwgfx/vmwgfx_drv.c | 45 +++++++++++++++- drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 6 +++ drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 79 +++++++++++++++++++++++++++-- 3 files changed, 125 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 086dc75e7b42..7d8cc2f6b04e 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR MIT /************************************************************************** * - * Copyright 2009-2016 VMware, Inc., Palo Alto, CA., USA + * Copyright 2009-2021 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 @@ -301,8 +301,12 @@ static void vmw_print_capabilities2(uint32_t capabilities2) DRM_INFO(" Grow oTable.\n"); if (capabilities2 & SVGA_CAP2_INTRA_SURFACE_COPY) DRM_INFO(" IntraSurface copy.\n"); + if (capabilities2 & SVGA_CAP2_CURSOR_MOB) + DRM_INFO(" Cursor Mob.\n"); if (capabilities2 & SVGA_CAP2_DX3) DRM_INFO(" DX3.\n"); + if (capabilities2 & SVGA_CAP2_EXTRA_REGS) + DRM_INFO(" Extra Regs.\n"); }
static void vmw_print_capabilities(uint32_t capabilities) @@ -505,6 +509,7 @@ static int vmw_request_device_late(struct vmw_private *dev_priv) static int vmw_request_device(struct vmw_private *dev_priv) { int ret; + size_t i;
ret = vmw_device_init(dev_priv); if (unlikely(ret != 0)) { @@ -526,6 +531,37 @@ static int vmw_request_device(struct vmw_private *dev_priv) if (unlikely(ret != 0)) goto out_no_query_bo;
+ /* Set up mobs for cursor updates */ + if (dev_priv->has_mob && dev_priv->capabilities2 & SVGA_CAP2_CURSOR_MOB) { + const uint32_t cursor_max_dim = vmw_read(dev_priv, SVGA_REG_CURSOR_MAX_DIMENSION); + + for (i = 0; i < ARRAY_SIZE(dev_priv->cursor_mob); i++) { + struct ttm_buffer_object **const bo = &dev_priv->cursor_mob[i]; + + ret = vmw_bo_create_kernel(dev_priv, + cursor_max_dim * cursor_max_dim * sizeof(u32) + sizeof(SVGAGBCursorHeader), + &vmw_mob_placement, bo); + + if (ret != 0) { + DRM_ERROR("Unable to create CursorMob array.\n"); + break; + } + + BUG_ON((*bo)->resource->mem_type != VMW_PL_MOB); + + /* Fence the mob creation so we are guarateed to have the mob */ + ret = ttm_bo_reserve(*bo, false, true, NULL); + BUG_ON(ret); + + vmw_bo_fence_single(*bo, NULL); + + ttm_bo_unreserve(*bo); + + DRM_INFO("Using CursorMob mobid %lu, max dimension %u\n", + (*bo)->resource->start, cursor_max_dim); + } + } + return 0;
out_no_query_bo: @@ -556,6 +592,8 @@ static int vmw_request_device(struct vmw_private *dev_priv) */ static void vmw_release_device_early(struct vmw_private *dev_priv) { + size_t i; + /* * Previous destructions should've released * the pinned bo. @@ -570,6 +608,11 @@ static void vmw_release_device_early(struct vmw_private *dev_priv) if (dev_priv->has_mob) { struct ttm_resource_manager *man;
+ for (i = 0; i < ARRAY_SIZE(dev_priv->cursor_mob); i++) { + if (dev_priv->cursor_mob[i] != NULL) + ttm_bo_put(dev_priv->cursor_mob[i]); + } + man = ttm_manager_type(&dev_priv->bdev, VMW_PL_MOB); ttm_resource_manager_evict_all(&dev_priv->bdev, man); vmw_otables_takedown(dev_priv); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 356f82c26f59..46bf54f6169a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -642,6 +642,12 @@ struct vmw_private { u8 mksstat_kern_top_timer[MKSSTAT_CAPACITY]; atomic_t mksstat_kern_pids[MKSSTAT_CAPACITY]; #endif + + /* + * CursorMob buffer objects + */ + struct ttm_buffer_object *cursor_mob[2]; + atomic_t cursor_mob_idx; };
static inline struct vmw_surface *vmw_res_to_srf(struct vmw_resource *res) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 2ddf4932d62c..8d7844354774 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 OR MIT /************************************************************************** * - * Copyright 2009-2015 VMware, Inc., Palo Alto, CA., USA + * Copyright 2009-2021 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 @@ -53,6 +53,10 @@ void vmw_du_cleanup(struct vmw_display_unit *du) * Display Unit Cursor functions */
+static int vmw_cursor_update_mob(struct vmw_private *dev_priv, + u32 *image, u32 width, u32 height, + u32 hotspotX, u32 hotspotY); + static int vmw_cursor_update_image(struct vmw_private *dev_priv, u32 *image, u32 width, u32 height, u32 hotspotX, u32 hotspotY) @@ -67,6 +71,10 @@ static int vmw_cursor_update_image(struct vmw_private *dev_priv, if (!image) return -EINVAL;
+ if (dev_priv->cursor_mob[ARRAY_SIZE(dev_priv->cursor_mob) - 1] != NULL) + return vmw_cursor_update_mob(dev_priv, image, width, height, + hotspotX, hotspotY); + cmd = VMW_CMD_RESERVE(dev_priv, cmd_size); if (unlikely(cmd == NULL)) return -ENOMEM; @@ -87,6 +95,62 @@ static int vmw_cursor_update_image(struct vmw_private *dev_priv, return 0; }
+static int vmw_cursor_update_mob(struct vmw_private *dev_priv, + u32 *image, u32 width, u32 height, + u32 hotspotX, u32 hotspotY) +{ + SVGAGBCursorHeader *header; + SVGAGBAlphaCursorHeader *alpha_header; + const u32 image_size = width * height * sizeof(*image); + const u32 mob_size = sizeof(*header) + image_size; + + struct ttm_buffer_object *bo; + struct ttm_bo_kmap_obj map; + bool dummy; + int ret; + + bo = dev_priv->cursor_mob[atomic_inc_return(&dev_priv->cursor_mob_idx) % + ARRAY_SIZE(dev_priv->cursor_mob)]; + BUG_ON(bo == NULL); + + ret = ttm_bo_reserve(bo, true, false, NULL); + + if (unlikely(ret != 0)) { + DRM_ERROR("reserve failed\n"); + return -EINVAL; + } + + ret = ttm_bo_kmap(bo, 0, vmw_num_pages(mob_size), &map); + + if (unlikely(ret != 0)) + goto err_map; + + header = (SVGAGBCursorHeader *)ttm_kmap_obj_virtual(&map, &dummy); + alpha_header = &header->header.alphaHeader; + + header->type = SVGA_ALPHA_CURSOR; + header->sizeInBytes = image_size; + + alpha_header->hotspotX = hotspotX; + alpha_header->hotspotY = hotspotY; + alpha_header->width = width; + alpha_header->height = height; + + memcpy(header + 1, image, image_size); + + ttm_bo_kunmap(&map); + ttm_bo_unreserve(bo); + + vmw_write(dev_priv, SVGA_REG_CURSOR_MOBID, bo->resource->start); + + return 0; + +err_map: + ttm_bo_unreserve(bo); + + return ret; +} + static int vmw_cursor_update_bo(struct vmw_private *dev_priv, struct vmw_buffer_object *bo, u32 width, u32 height, @@ -127,11 +191,18 @@ static int vmw_cursor_update_bo(struct vmw_private *dev_priv, static void vmw_cursor_update_position(struct vmw_private *dev_priv, bool show, int x, int y) { + const uint32_t svga_cursor_on = show ? SVGA_CURSOR_ON_SHOW + : SVGA_CURSOR_ON_HIDE; uint32_t count;
spin_lock(&dev_priv->cursor_lock); - if (vmw_is_cursor_bypass3_enabled(dev_priv)) { - vmw_fifo_mem_write(dev_priv, SVGA_FIFO_CURSOR_ON, show ? 1 : 0); + if (dev_priv->capabilities2 & SVGA_CAP2_EXTRA_REGS) { + vmw_write(dev_priv, SVGA_REG_CURSOR4_X, x); + vmw_write(dev_priv, SVGA_REG_CURSOR4_Y, y); + vmw_write(dev_priv, SVGA_REG_CURSOR4_ON, svga_cursor_on); + vmw_write(dev_priv, SVGA_REG_CURSOR4_SUBMIT, TRUE); + } else if (vmw_is_cursor_bypass3_enabled(dev_priv)) { + vmw_fifo_mem_write(dev_priv, SVGA_FIFO_CURSOR_ON, svga_cursor_on); vmw_fifo_mem_write(dev_priv, SVGA_FIFO_CURSOR_X, x); vmw_fifo_mem_write(dev_priv, SVGA_FIFO_CURSOR_Y, y); count = vmw_fifo_mem_read(dev_priv, SVGA_FIFO_CURSOR_COUNT); @@ -139,7 +210,7 @@ static void vmw_cursor_update_position(struct vmw_private *dev_priv, } else { vmw_write(dev_priv, SVGA_REG_CURSOR_X, x); vmw_write(dev_priv, SVGA_REG_CURSOR_Y, y); - vmw_write(dev_priv, SVGA_REG_CURSOR_ON, show ? 1 : 0); + vmw_write(dev_priv, SVGA_REG_CURSOR_ON, svga_cursor_on); } spin_unlock(&dev_priv->cursor_lock); }