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Diffstat (limited to 'kernel/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c')
-rw-r--r--kernel/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c1748
1 files changed, 895 insertions, 853 deletions
diff --git a/kernel/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/kernel/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 07cda8cbb..7c2e118a7 100644
--- a/kernel/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/kernel/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -1,6 +1,6 @@
/**************************************************************************
*
- * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
+ * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -31,45 +31,7 @@
/* Might need a hrtimer here? */
#define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
-
-struct vmw_clip_rect {
- int x1, x2, y1, y2;
-};
-
-/**
- * Clip @num_rects number of @rects against @clip storing the
- * results in @out_rects and the number of passed rects in @out_num.
- */
-static void vmw_clip_cliprects(struct drm_clip_rect *rects,
- int num_rects,
- struct vmw_clip_rect clip,
- SVGASignedRect *out_rects,
- int *out_num)
-{
- int i, k;
-
- for (i = 0, k = 0; i < num_rects; i++) {
- int x1 = max_t(int, clip.x1, rects[i].x1);
- int y1 = max_t(int, clip.y1, rects[i].y1);
- int x2 = min_t(int, clip.x2, rects[i].x2);
- int y2 = min_t(int, clip.y2, rects[i].y2);
-
- if (x1 >= x2)
- continue;
- if (y1 >= y2)
- continue;
-
- out_rects[k].left = x1;
- out_rects[k].top = y1;
- out_rects[k].right = x2;
- out_rects[k].bottom = y2;
- k++;
- }
-
- *out_num = k;
-}
-
-void vmw_display_unit_cleanup(struct vmw_display_unit *du)
+void vmw_du_cleanup(struct vmw_display_unit *du)
{
if (du->cursor_surface)
vmw_surface_unreference(&du->cursor_surface);
@@ -109,14 +71,14 @@ int vmw_cursor_update_image(struct vmw_private *dev_priv,
memcpy(&cmd[1], image, image_size);
- cmd->cmd = cpu_to_le32(SVGA_CMD_DEFINE_ALPHA_CURSOR);
- cmd->cursor.id = cpu_to_le32(0);
- cmd->cursor.width = cpu_to_le32(width);
- cmd->cursor.height = cpu_to_le32(height);
- cmd->cursor.hotspotX = cpu_to_le32(hotspotX);
- cmd->cursor.hotspotY = cpu_to_le32(hotspotY);
+ cmd->cmd = SVGA_CMD_DEFINE_ALPHA_CURSOR;
+ cmd->cursor.id = 0;
+ cmd->cursor.width = width;
+ cmd->cursor.height = height;
+ cmd->cursor.hotspotX = hotspotX;
+ cmd->cursor.hotspotY = hotspotY;
- vmw_fifo_commit(dev_priv, cmd_size);
+ vmw_fifo_commit_flush(dev_priv, cmd_size);
return 0;
}
@@ -161,23 +123,29 @@ err_unreserve:
void vmw_cursor_update_position(struct vmw_private *dev_priv,
bool show, int x, int y)
{
- __le32 __iomem *fifo_mem = dev_priv->mmio_virt;
+ u32 *fifo_mem = dev_priv->mmio_virt;
uint32_t count;
- iowrite32(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
- iowrite32(x, fifo_mem + SVGA_FIFO_CURSOR_X);
- iowrite32(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
- count = ioread32(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
- iowrite32(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
+ vmw_mmio_write(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
+ vmw_mmio_write(x, fifo_mem + SVGA_FIFO_CURSOR_X);
+ vmw_mmio_write(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
+ count = vmw_mmio_read(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
+ vmw_mmio_write(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
}
-int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
- uint32_t handle, uint32_t width, uint32_t height)
+
+/*
+ * vmw_du_crtc_cursor_set2 - Driver cursor_set2 callback.
+ */
+int vmw_du_crtc_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv,
+ uint32_t handle, uint32_t width, uint32_t height,
+ int32_t hot_x, int32_t hot_y)
{
struct vmw_private *dev_priv = vmw_priv(crtc->dev);
struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
struct vmw_surface *surface = NULL;
struct vmw_dma_buffer *dmabuf = NULL;
+ s32 hotspot_x, hotspot_y;
int ret;
/*
@@ -189,6 +157,8 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
*/
drm_modeset_unlock_crtc(crtc);
drm_modeset_lock_all(dev_priv->dev);
+ hotspot_x = hot_x + du->hotspot_x;
+ hotspot_y = hot_y + du->hotspot_y;
/* A lot of the code assumes this */
if (handle && (width != 64 || height != 64)) {
@@ -225,31 +195,34 @@ int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
vmw_dmabuf_unreference(&du->cursor_dmabuf);
/* setup new image */
+ ret = 0;
if (surface) {
/* vmw_user_surface_lookup takes one reference */
du->cursor_surface = surface;
du->cursor_surface->snooper.crtc = crtc;
du->cursor_age = du->cursor_surface->snooper.age;
- vmw_cursor_update_image(dev_priv, surface->snooper.image,
- 64, 64, du->hotspot_x, du->hotspot_y);
+ ret = vmw_cursor_update_image(dev_priv, surface->snooper.image,
+ 64, 64, hotspot_x, hotspot_y);
} else if (dmabuf) {
/* vmw_user_surface_lookup takes one reference */
du->cursor_dmabuf = dmabuf;
ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
- du->hotspot_x, du->hotspot_y);
+ hotspot_x, hotspot_y);
} else {
vmw_cursor_update_position(dev_priv, false, 0, 0);
- ret = 0;
goto out;
}
- vmw_cursor_update_position(dev_priv, true,
- du->cursor_x + du->hotspot_x,
- du->cursor_y + du->hotspot_y);
+ if (!ret) {
+ vmw_cursor_update_position(dev_priv, true,
+ du->cursor_x + hotspot_x,
+ du->cursor_y + hotspot_y);
+ du->core_hotspot_x = hot_x;
+ du->core_hotspot_y = hot_y;
+ }
- ret = 0;
out:
drm_modeset_unlock_all(dev_priv->dev);
drm_modeset_lock_crtc(crtc, crtc->cursor);
@@ -277,8 +250,10 @@ int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
drm_modeset_lock_all(dev_priv->dev);
vmw_cursor_update_position(dev_priv, shown,
- du->cursor_x + du->hotspot_x,
- du->cursor_y + du->hotspot_y);
+ du->cursor_x + du->hotspot_x +
+ du->core_hotspot_x,
+ du->cursor_y + du->hotspot_y +
+ du->core_hotspot_y);
drm_modeset_unlock_all(dev_priv->dev);
drm_modeset_lock_crtc(crtc, crtc->cursor);
@@ -367,20 +342,34 @@ void vmw_kms_cursor_snoop(struct vmw_surface *srf,
srf->snooper.age++;
- /* we can't call this function from this function since execbuf has
- * reserved fifo space.
- *
- * if (srf->snooper.crtc)
- * vmw_ldu_crtc_cursor_update_image(dev_priv,
- * srf->snooper.image, 64, 64,
- * du->hotspot_x, du->hotspot_y);
- */
-
ttm_bo_kunmap(&map);
err_unreserve:
ttm_bo_unreserve(bo);
}
+/**
+ * vmw_kms_legacy_hotspot_clear - Clear legacy hotspots
+ *
+ * @dev_priv: Pointer to the device private struct.
+ *
+ * Clears all legacy hotspots.
+ */
+void vmw_kms_legacy_hotspot_clear(struct vmw_private *dev_priv)
+{
+ struct drm_device *dev = dev_priv->dev;
+ struct vmw_display_unit *du;
+ struct drm_crtc *crtc;
+
+ drm_modeset_lock_all(dev);
+ drm_for_each_crtc(crtc, dev) {
+ du = vmw_crtc_to_du(crtc);
+
+ du->hotspot_x = 0;
+ du->hotspot_y = 0;
+ }
+ drm_modeset_unlock_all(dev);
+}
+
void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
{
struct drm_device *dev = dev_priv->dev;
@@ -398,7 +387,9 @@ void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
du->cursor_age = du->cursor_surface->snooper.age;
vmw_cursor_update_image(dev_priv,
du->cursor_surface->snooper.image,
- 64, 64, du->hotspot_x, du->hotspot_y);
+ 64, 64,
+ du->hotspot_x + du->core_hotspot_x,
+ du->hotspot_y + du->core_hotspot_y);
}
mutex_unlock(&dev->mode_config.mutex);
@@ -412,183 +403,19 @@ void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
* Surface framebuffer code
*/
-#define vmw_framebuffer_to_vfbs(x) \
- container_of(x, struct vmw_framebuffer_surface, base.base)
-
-struct vmw_framebuffer_surface {
- struct vmw_framebuffer base;
- struct vmw_surface *surface;
- struct vmw_dma_buffer *buffer;
- struct list_head head;
- struct drm_master *master;
-};
-
static void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
{
struct vmw_framebuffer_surface *vfbs =
vmw_framebuffer_to_vfbs(framebuffer);
- struct vmw_master *vmaster = vmw_master(vfbs->master);
-
-
- mutex_lock(&vmaster->fb_surf_mutex);
- list_del(&vfbs->head);
- mutex_unlock(&vmaster->fb_surf_mutex);
- drm_master_put(&vfbs->master);
drm_framebuffer_cleanup(framebuffer);
vmw_surface_unreference(&vfbs->surface);
- ttm_base_object_unref(&vfbs->base.user_obj);
+ if (vfbs->base.user_obj)
+ ttm_base_object_unref(&vfbs->base.user_obj);
kfree(vfbs);
}
-static int do_surface_dirty_sou(struct vmw_private *dev_priv,
- struct drm_file *file_priv,
- struct vmw_framebuffer *framebuffer,
- unsigned flags, unsigned color,
- struct drm_clip_rect *clips,
- unsigned num_clips, int inc,
- struct vmw_fence_obj **out_fence)
-{
- struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
- struct drm_clip_rect *clips_ptr;
- struct drm_clip_rect *tmp;
- struct drm_crtc *crtc;
- size_t fifo_size;
- int i, num_units;
- int ret = 0; /* silence warning */
- int left, right, top, bottom;
-
- struct {
- SVGA3dCmdHeader header;
- SVGA3dCmdBlitSurfaceToScreen body;
- } *cmd;
- SVGASignedRect *blits;
-
- num_units = 0;
- list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list,
- head) {
- if (crtc->primary->fb != &framebuffer->base)
- continue;
- units[num_units++] = vmw_crtc_to_du(crtc);
- }
-
- BUG_ON(!clips || !num_clips);
-
- tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
- if (unlikely(tmp == NULL)) {
- DRM_ERROR("Temporary cliprect memory alloc failed.\n");
- return -ENOMEM;
- }
-
- fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
- cmd = kzalloc(fifo_size, GFP_KERNEL);
- if (unlikely(cmd == NULL)) {
- DRM_ERROR("Temporary fifo memory alloc failed.\n");
- ret = -ENOMEM;
- goto out_free_tmp;
- }
-
- /* setup blits pointer */
- blits = (SVGASignedRect *)&cmd[1];
-
- /* initial clip region */
- left = clips->x1;
- right = clips->x2;
- top = clips->y1;
- bottom = clips->y2;
-
- /* skip the first clip rect */
- for (i = 1, clips_ptr = clips + inc;
- i < num_clips; i++, clips_ptr += inc) {
- left = min_t(int, left, (int)clips_ptr->x1);
- right = max_t(int, right, (int)clips_ptr->x2);
- top = min_t(int, top, (int)clips_ptr->y1);
- bottom = max_t(int, bottom, (int)clips_ptr->y2);
- }
-
- /* only need to do this once */
- cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
- cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
-
- cmd->body.srcRect.left = left;
- cmd->body.srcRect.right = right;
- cmd->body.srcRect.top = top;
- cmd->body.srcRect.bottom = bottom;
-
- clips_ptr = clips;
- for (i = 0; i < num_clips; i++, clips_ptr += inc) {
- tmp[i].x1 = clips_ptr->x1 - left;
- tmp[i].x2 = clips_ptr->x2 - left;
- tmp[i].y1 = clips_ptr->y1 - top;
- tmp[i].y2 = clips_ptr->y2 - top;
- }
-
- /* do per unit writing, reuse fifo for each */
- for (i = 0; i < num_units; i++) {
- struct vmw_display_unit *unit = units[i];
- struct vmw_clip_rect clip;
- int num;
-
- clip.x1 = left - unit->crtc.x;
- clip.y1 = top - unit->crtc.y;
- clip.x2 = right - unit->crtc.x;
- clip.y2 = bottom - unit->crtc.y;
-
- /* skip any crtcs that misses the clip region */
- if (clip.x1 >= unit->crtc.mode.hdisplay ||
- clip.y1 >= unit->crtc.mode.vdisplay ||
- clip.x2 <= 0 || clip.y2 <= 0)
- continue;
-
- /*
- * In order for the clip rects to be correctly scaled
- * the src and dest rects needs to be the same size.
- */
- cmd->body.destRect.left = clip.x1;
- cmd->body.destRect.right = clip.x2;
- cmd->body.destRect.top = clip.y1;
- cmd->body.destRect.bottom = clip.y2;
-
- /* create a clip rect of the crtc in dest coords */
- clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
- clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
- clip.x1 = 0 - clip.x1;
- clip.y1 = 0 - clip.y1;
-
- /* need to reset sid as it is changed by execbuf */
- cmd->body.srcImage.sid = cpu_to_le32(framebuffer->user_handle);
- cmd->body.destScreenId = unit->unit;
-
- /* clip and write blits to cmd stream */
- vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
-
- /* if no cliprects hit skip this */
- if (num == 0)
- continue;
-
- /* only return the last fence */
- if (out_fence && *out_fence)
- vmw_fence_obj_unreference(out_fence);
-
- /* recalculate package length */
- fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
- cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
- ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
- fifo_size, 0, NULL, out_fence);
-
- if (unlikely(ret != 0))
- break;
- }
-
-
- kfree(cmd);
-out_free_tmp:
- kfree(tmp);
-
- return ret;
-}
-
static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
struct drm_file *file_priv,
unsigned flags, unsigned color,
@@ -601,11 +428,8 @@ static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
struct drm_clip_rect norect;
int ret, inc = 1;
- if (unlikely(vfbs->master != file_priv->master))
- return -EINVAL;
-
- /* Require ScreenObject support for 3D */
- if (!dev_priv->sou_priv)
+ /* Legacy Display Unit does not support 3D */
+ if (dev_priv->active_display_unit == vmw_du_legacy)
return -EINVAL;
drm_modeset_lock_all(dev_priv->dev);
@@ -627,10 +451,16 @@ static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
inc = 2; /* skip source rects */
}
- ret = do_surface_dirty_sou(dev_priv, file_priv, &vfbs->base,
- flags, color,
- clips, num_clips, inc, NULL);
+ if (dev_priv->active_display_unit == vmw_du_screen_object)
+ ret = vmw_kms_sou_do_surface_dirty(dev_priv, &vfbs->base,
+ clips, NULL, NULL, 0, 0,
+ num_clips, inc, NULL);
+ else
+ ret = vmw_kms_stdu_surface_dirty(dev_priv, &vfbs->base,
+ clips, NULL, NULL, 0, 0,
+ num_clips, inc, NULL);
+ vmw_fifo_flush(dev_priv, false);
ttm_read_unlock(&dev_priv->reservation_sem);
drm_modeset_unlock_all(dev_priv->dev);
@@ -638,27 +468,66 @@ static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
return 0;
}
+/**
+ * vmw_kms_readback - Perform a readback from the screen system to
+ * a dma-buffer backed framebuffer.
+ *
+ * @dev_priv: Pointer to the device private structure.
+ * @file_priv: Pointer to a struct drm_file identifying the caller.
+ * Must be set to NULL if @user_fence_rep is NULL.
+ * @vfb: Pointer to the dma-buffer backed framebuffer.
+ * @user_fence_rep: User-space provided structure for fence information.
+ * Must be set to non-NULL if @file_priv is non-NULL.
+ * @vclips: Array of clip rects.
+ * @num_clips: Number of clip rects in @vclips.
+ *
+ * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
+ * interrupted.
+ */
+int vmw_kms_readback(struct vmw_private *dev_priv,
+ struct drm_file *file_priv,
+ struct vmw_framebuffer *vfb,
+ struct drm_vmw_fence_rep __user *user_fence_rep,
+ struct drm_vmw_rect *vclips,
+ uint32_t num_clips)
+{
+ switch (dev_priv->active_display_unit) {
+ case vmw_du_screen_object:
+ return vmw_kms_sou_readback(dev_priv, file_priv, vfb,
+ user_fence_rep, vclips, num_clips);
+ case vmw_du_screen_target:
+ return vmw_kms_stdu_dma(dev_priv, file_priv, vfb,
+ user_fence_rep, NULL, vclips, num_clips,
+ 1, false, true);
+ default:
+ WARN_ONCE(true,
+ "Readback called with invalid display system.\n");
+}
+
+ return -ENOSYS;
+}
+
+
static struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
.destroy = vmw_framebuffer_surface_destroy,
.dirty = vmw_framebuffer_surface_dirty,
};
static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
- struct drm_file *file_priv,
struct vmw_surface *surface,
struct vmw_framebuffer **out,
const struct drm_mode_fb_cmd
- *mode_cmd)
+ *mode_cmd,
+ bool is_dmabuf_proxy)
{
struct drm_device *dev = dev_priv->dev;
struct vmw_framebuffer_surface *vfbs;
enum SVGA3dSurfaceFormat format;
- struct vmw_master *vmaster = vmw_master(file_priv->master);
int ret;
- /* 3D is only supported on HWv8 hosts which supports screen objects */
- if (!dev_priv->sou_priv)
+ /* 3D is only supported on HWv8 and newer hosts */
+ if (dev_priv->active_display_unit == vmw_du_legacy)
return -ENOSYS;
/*
@@ -692,15 +561,16 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
case 15:
format = SVGA3D_A1R5G5B5;
break;
- case 8:
- format = SVGA3D_LUMINANCE8;
- break;
default:
DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
return -EINVAL;
}
- if (unlikely(format != surface->format)) {
+ /*
+ * For DX, surface format validation is done when surface->scanout
+ * is set.
+ */
+ if (!dev_priv->has_dx && format != surface->format) {
DRM_ERROR("Invalid surface format for requested mode.\n");
return -EINVAL;
}
@@ -711,38 +581,27 @@ static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
goto out_err1;
}
- if (!vmw_surface_reference(surface)) {
- DRM_ERROR("failed to reference surface %p\n", surface);
- ret = -EINVAL;
- goto out_err2;
- }
-
/* XXX get the first 3 from the surface info */
vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
vfbs->base.base.pitches[0] = mode_cmd->pitch;
vfbs->base.base.depth = mode_cmd->depth;
vfbs->base.base.width = mode_cmd->width;
vfbs->base.base.height = mode_cmd->height;
- vfbs->surface = surface;
+ vfbs->surface = vmw_surface_reference(surface);
vfbs->base.user_handle = mode_cmd->handle;
- vfbs->master = drm_master_get(file_priv->master);
-
- mutex_lock(&vmaster->fb_surf_mutex);
- list_add_tail(&vfbs->head, &vmaster->fb_surf);
- mutex_unlock(&vmaster->fb_surf_mutex);
+ vfbs->is_dmabuf_proxy = is_dmabuf_proxy;
*out = &vfbs->base;
ret = drm_framebuffer_init(dev, &vfbs->base.base,
&vmw_framebuffer_surface_funcs);
if (ret)
- goto out_err3;
+ goto out_err2;
return 0;
-out_err3:
- vmw_surface_unreference(&surface);
out_err2:
+ vmw_surface_unreference(&surface);
kfree(vfbs);
out_err1:
return ret;
@@ -752,14 +611,6 @@ out_err1:
* Dmabuf framebuffer code
*/
-#define vmw_framebuffer_to_vfbd(x) \
- container_of(x, struct vmw_framebuffer_dmabuf, base.base)
-
-struct vmw_framebuffer_dmabuf {
- struct vmw_framebuffer base;
- struct vmw_dma_buffer *buffer;
-};
-
static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
{
struct vmw_framebuffer_dmabuf *vfbd =
@@ -767,185 +618,12 @@ static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
drm_framebuffer_cleanup(framebuffer);
vmw_dmabuf_unreference(&vfbd->buffer);
- ttm_base_object_unref(&vfbd->base.user_obj);
+ if (vfbd->base.user_obj)
+ ttm_base_object_unref(&vfbd->base.user_obj);
kfree(vfbd);
}
-static int do_dmabuf_dirty_ldu(struct vmw_private *dev_priv,
- struct vmw_framebuffer *framebuffer,
- unsigned flags, unsigned color,
- struct drm_clip_rect *clips,
- unsigned num_clips, int increment)
-{
- size_t fifo_size;
- int i;
-
- struct {
- uint32_t header;
- SVGAFifoCmdUpdate body;
- } *cmd;
-
- fifo_size = sizeof(*cmd) * num_clips;
- cmd = vmw_fifo_reserve(dev_priv, fifo_size);
- if (unlikely(cmd == NULL)) {
- DRM_ERROR("Fifo reserve failed.\n");
- return -ENOMEM;
- }
-
- memset(cmd, 0, fifo_size);
- for (i = 0; i < num_clips; i++, clips += increment) {
- cmd[i].header = cpu_to_le32(SVGA_CMD_UPDATE);
- cmd[i].body.x = cpu_to_le32(clips->x1);
- cmd[i].body.y = cpu_to_le32(clips->y1);
- cmd[i].body.width = cpu_to_le32(clips->x2 - clips->x1);
- cmd[i].body.height = cpu_to_le32(clips->y2 - clips->y1);
- }
-
- vmw_fifo_commit(dev_priv, fifo_size);
- return 0;
-}
-
-static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
- struct vmw_private *dev_priv,
- struct vmw_framebuffer *framebuffer)
-{
- int depth = framebuffer->base.depth;
- size_t fifo_size;
- int ret;
-
- 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;
-
- fifo_size = sizeof(*cmd);
- cmd = kmalloc(fifo_size, GFP_KERNEL);
- if (unlikely(cmd == NULL)) {
- DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
- return -ENOMEM;
- }
-
- memset(cmd, 0, fifo_size);
- cmd->header = SVGA_CMD_DEFINE_GMRFB;
- cmd->body.format.bitsPerPixel = framebuffer->base.bits_per_pixel;
- cmd->body.format.colorDepth = depth;
- cmd->body.format.reserved = 0;
- cmd->body.bytesPerLine = framebuffer->base.pitches[0];
- cmd->body.ptr.gmrId = framebuffer->user_handle;
- cmd->body.ptr.offset = 0;
-
- ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
- fifo_size, 0, NULL, NULL);
-
- kfree(cmd);
-
- return ret;
-}
-
-static int do_dmabuf_dirty_sou(struct drm_file *file_priv,
- struct vmw_private *dev_priv,
- struct vmw_framebuffer *framebuffer,
- unsigned flags, unsigned color,
- struct drm_clip_rect *clips,
- unsigned num_clips, int increment,
- struct vmw_fence_obj **out_fence)
-{
- struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
- struct drm_clip_rect *clips_ptr;
- int i, k, num_units, ret;
- struct drm_crtc *crtc;
- size_t fifo_size;
-
- struct {
- uint32_t header;
- SVGAFifoCmdBlitGMRFBToScreen body;
- } *blits;
-
- ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer);
- if (unlikely(ret != 0))
- return ret; /* define_gmrfb prints warnings */
-
- fifo_size = sizeof(*blits) * num_clips;
- blits = kmalloc(fifo_size, GFP_KERNEL);
- if (unlikely(blits == NULL)) {
- DRM_ERROR("Failed to allocate temporary cmd buffer.\n");
- return -ENOMEM;
- }
-
- num_units = 0;
- list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
- if (crtc->primary->fb != &framebuffer->base)
- continue;
- units[num_units++] = vmw_crtc_to_du(crtc);
- }
-
- for (k = 0; k < num_units; k++) {
- struct vmw_display_unit *unit = units[k];
- int hit_num = 0;
-
- clips_ptr = clips;
- for (i = 0; i < num_clips; i++, clips_ptr += increment) {
- int clip_x1 = clips_ptr->x1 - unit->crtc.x;
- int clip_y1 = clips_ptr->y1 - unit->crtc.y;
- int clip_x2 = clips_ptr->x2 - unit->crtc.x;
- int clip_y2 = clips_ptr->y2 - unit->crtc.y;
- int move_x, move_y;
-
- /* skip any crtcs that misses the clip region */
- if (clip_x1 >= unit->crtc.mode.hdisplay ||
- clip_y1 >= unit->crtc.mode.vdisplay ||
- clip_x2 <= 0 || clip_y2 <= 0)
- continue;
-
- /* clip size to crtc size */
- clip_x2 = min_t(int, clip_x2, unit->crtc.mode.hdisplay);
- clip_y2 = min_t(int, clip_y2, unit->crtc.mode.vdisplay);
-
- /* translate both src and dest to bring clip into screen */
- move_x = min_t(int, clip_x1, 0);
- move_y = min_t(int, clip_y1, 0);
-
- /* actual translate done here */
- blits[hit_num].header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
- blits[hit_num].body.destScreenId = unit->unit;
- blits[hit_num].body.srcOrigin.x = clips_ptr->x1 - move_x;
- blits[hit_num].body.srcOrigin.y = clips_ptr->y1 - move_y;
- blits[hit_num].body.destRect.left = clip_x1 - move_x;
- blits[hit_num].body.destRect.top = clip_y1 - move_y;
- blits[hit_num].body.destRect.right = clip_x2;
- blits[hit_num].body.destRect.bottom = clip_y2;
- hit_num++;
- }
-
- /* no clips hit the crtc */
- if (hit_num == 0)
- continue;
-
- /* only return the last fence */
- if (out_fence && *out_fence)
- vmw_fence_obj_unreference(out_fence);
-
- fifo_size = sizeof(*blits) * hit_num;
- ret = vmw_execbuf_process(file_priv, dev_priv, NULL, blits,
- fifo_size, 0, NULL, out_fence);
-
- if (unlikely(ret != 0))
- break;
- }
-
- kfree(blits);
-
- return ret;
-}
-
static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
struct drm_file *file_priv,
unsigned flags, unsigned color,
@@ -977,16 +655,29 @@ static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
increment = 2;
}
- if (dev_priv->ldu_priv) {
- ret = do_dmabuf_dirty_ldu(dev_priv, &vfbd->base,
- flags, color,
- clips, num_clips, increment);
- } else {
- ret = do_dmabuf_dirty_sou(file_priv, dev_priv, &vfbd->base,
- flags, color,
- clips, num_clips, increment, NULL);
+ switch (dev_priv->active_display_unit) {
+ case vmw_du_screen_target:
+ ret = vmw_kms_stdu_dma(dev_priv, NULL, &vfbd->base, NULL,
+ clips, NULL, num_clips, increment,
+ true, true);
+ break;
+ case vmw_du_screen_object:
+ ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, &vfbd->base,
+ clips, num_clips, increment,
+ true,
+ NULL);
+ break;
+ case vmw_du_legacy:
+ ret = vmw_kms_ldu_do_dmabuf_dirty(dev_priv, &vfbd->base, 0, 0,
+ clips, num_clips, increment);
+ break;
+ default:
+ ret = -EINVAL;
+ WARN_ONCE(true, "Dirty called with invalid display system.\n");
+ break;
}
+ vmw_fifo_flush(dev_priv, false);
ttm_read_unlock(&dev_priv->reservation_sem);
drm_modeset_unlock_all(dev_priv->dev);
@@ -1002,41 +693,137 @@ static struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
/**
* Pin the dmabuffer to the start of vram.
*/
-static int vmw_framebuffer_dmabuf_pin(struct vmw_framebuffer *vfb)
+static int vmw_framebuffer_pin(struct vmw_framebuffer *vfb)
{
struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
- struct vmw_framebuffer_dmabuf *vfbd =
- vmw_framebuffer_to_vfbd(&vfb->base);
+ struct vmw_dma_buffer *buf;
int ret;
- /* This code should not be used with screen objects */
- BUG_ON(dev_priv->sou_priv);
-
- vmw_overlay_pause_all(dev_priv);
+ buf = vfb->dmabuf ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
+ vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
- ret = vmw_dmabuf_to_start_of_vram(dev_priv, vfbd->buffer, true, false);
-
- vmw_overlay_resume_all(dev_priv);
+ if (!buf)
+ return 0;
- WARN_ON(ret != 0);
+ switch (dev_priv->active_display_unit) {
+ case vmw_du_legacy:
+ vmw_overlay_pause_all(dev_priv);
+ ret = vmw_dmabuf_pin_in_start_of_vram(dev_priv, buf, false);
+ vmw_overlay_resume_all(dev_priv);
+ break;
+ case vmw_du_screen_object:
+ case vmw_du_screen_target:
+ if (vfb->dmabuf)
+ return vmw_dmabuf_pin_in_vram_or_gmr(dev_priv, buf,
+ false);
+
+ return vmw_dmabuf_pin_in_placement(dev_priv, buf,
+ &vmw_mob_placement, false);
+ default:
+ return -EINVAL;
+ }
- return 0;
+ return ret;
}
-static int vmw_framebuffer_dmabuf_unpin(struct vmw_framebuffer *vfb)
+static int vmw_framebuffer_unpin(struct vmw_framebuffer *vfb)
{
struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
- struct vmw_framebuffer_dmabuf *vfbd =
- vmw_framebuffer_to_vfbd(&vfb->base);
+ struct vmw_dma_buffer *buf;
- if (!vfbd->buffer) {
- WARN_ON(!vfbd->buffer);
+ buf = vfb->dmabuf ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
+ vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
+
+ if (WARN_ON(!buf))
return 0;
+
+ return vmw_dmabuf_unpin(dev_priv, buf, false);
+}
+
+/**
+ * vmw_create_dmabuf_proxy - create a proxy surface for the DMA buf
+ *
+ * @dev: DRM device
+ * @mode_cmd: parameters for the new surface
+ * @dmabuf_mob: MOB backing the DMA buf
+ * @srf_out: newly created surface
+ *
+ * When the content FB is a DMA buf, we create a surface as a proxy to the
+ * same buffer. This way we can do a surface copy rather than a surface DMA.
+ * This is a more efficient approach
+ *
+ * RETURNS:
+ * 0 on success, error code otherwise
+ */
+static int vmw_create_dmabuf_proxy(struct drm_device *dev,
+ const struct drm_mode_fb_cmd *mode_cmd,
+ struct vmw_dma_buffer *dmabuf_mob,
+ struct vmw_surface **srf_out)
+{
+ uint32_t format;
+ struct drm_vmw_size content_base_size;
+ struct vmw_resource *res;
+ unsigned int bytes_pp;
+ int ret;
+
+ switch (mode_cmd->depth) {
+ case 32:
+ case 24:
+ format = SVGA3D_X8R8G8B8;
+ bytes_pp = 4;
+ break;
+
+ case 16:
+ case 15:
+ format = SVGA3D_R5G6B5;
+ bytes_pp = 2;
+ break;
+
+ case 8:
+ format = SVGA3D_P8;
+ bytes_pp = 1;
+ break;
+
+ default:
+ DRM_ERROR("Invalid framebuffer format %d\n", mode_cmd->depth);
+ return -EINVAL;
}
- return vmw_dmabuf_unpin(dev_priv, vfbd->buffer, false);
+ content_base_size.width = mode_cmd->pitch / bytes_pp;
+ content_base_size.height = mode_cmd->height;
+ content_base_size.depth = 1;
+
+ ret = vmw_surface_gb_priv_define(dev,
+ 0, /* kernel visible only */
+ 0, /* flags */
+ format,
+ true, /* can be a scanout buffer */
+ 1, /* num of mip levels */
+ 0,
+ 0,
+ content_base_size,
+ srf_out);
+ if (ret) {
+ DRM_ERROR("Failed to allocate proxy content buffer\n");
+ return ret;
+ }
+
+ res = &(*srf_out)->res;
+
+ /* Reserve and switch the backing mob. */
+ mutex_lock(&res->dev_priv->cmdbuf_mutex);
+ (void) vmw_resource_reserve(res, false, true);
+ vmw_dmabuf_unreference(&res->backup);
+ res->backup = vmw_dmabuf_reference(dmabuf_mob);
+ res->backup_offset = 0;
+ vmw_resource_unreserve(res, false, NULL, 0);
+ mutex_unlock(&res->dev_priv->cmdbuf_mutex);
+
+ return 0;
}
+
+
static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
struct vmw_dma_buffer *dmabuf,
struct vmw_framebuffer **out,
@@ -1057,7 +844,7 @@ static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
}
/* Limited framebuffer color depth support for screen objects */
- if (dev_priv->sou_priv) {
+ if (dev_priv->active_display_unit == vmw_du_screen_object) {
switch (mode_cmd->depth) {
case 32:
case 24:
@@ -1089,41 +876,96 @@ static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
goto out_err1;
}
- if (!vmw_dmabuf_reference(dmabuf)) {
- DRM_ERROR("failed to reference dmabuf %p\n", dmabuf);
- ret = -EINVAL;
- goto out_err2;
- }
-
vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
vfbd->base.base.pitches[0] = mode_cmd->pitch;
vfbd->base.base.depth = mode_cmd->depth;
vfbd->base.base.width = mode_cmd->width;
vfbd->base.base.height = mode_cmd->height;
- if (!dev_priv->sou_priv) {
- vfbd->base.pin = vmw_framebuffer_dmabuf_pin;
- vfbd->base.unpin = vmw_framebuffer_dmabuf_unpin;
- }
vfbd->base.dmabuf = true;
- vfbd->buffer = dmabuf;
+ vfbd->buffer = vmw_dmabuf_reference(dmabuf);
vfbd->base.user_handle = mode_cmd->handle;
*out = &vfbd->base;
ret = drm_framebuffer_init(dev, &vfbd->base.base,
&vmw_framebuffer_dmabuf_funcs);
if (ret)
- goto out_err3;
+ goto out_err2;
return 0;
-out_err3:
- vmw_dmabuf_unreference(&dmabuf);
out_err2:
+ vmw_dmabuf_unreference(&dmabuf);
kfree(vfbd);
out_err1:
return ret;
}
+/**
+ * vmw_kms_new_framebuffer - Create a new framebuffer.
+ *
+ * @dev_priv: Pointer to device private struct.
+ * @dmabuf: Pointer to dma buffer to wrap the kms framebuffer around.
+ * Either @dmabuf or @surface must be NULL.
+ * @surface: Pointer to a surface to wrap the kms framebuffer around.
+ * Either @dmabuf or @surface must be NULL.
+ * @only_2d: No presents will occur to this dma buffer based framebuffer. This
+ * Helps the code to do some important optimizations.
+ * @mode_cmd: Frame-buffer metadata.
+ */
+struct vmw_framebuffer *
+vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *dmabuf,
+ struct vmw_surface *surface,
+ bool only_2d,
+ const struct drm_mode_fb_cmd *mode_cmd)
+{
+ struct vmw_framebuffer *vfb = NULL;
+ bool is_dmabuf_proxy = false;
+ int ret;
+
+ /*
+ * We cannot use the SurfaceDMA command in an non-accelerated VM,
+ * therefore, wrap the DMA buf in a surface so we can use the
+ * SurfaceCopy command.
+ */
+ if (dmabuf && only_2d &&
+ dev_priv->active_display_unit == vmw_du_screen_target) {
+ ret = vmw_create_dmabuf_proxy(dev_priv->dev, mode_cmd,
+ dmabuf, &surface);
+ if (ret)
+ return ERR_PTR(ret);
+
+ is_dmabuf_proxy = true;
+ }
+
+ /* Create the new framebuffer depending one what we have */
+ if (surface) {
+ ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb,
+ mode_cmd,
+ is_dmabuf_proxy);
+
+ /*
+ * vmw_create_dmabuf_proxy() adds a reference that is no longer
+ * needed
+ */
+ if (is_dmabuf_proxy)
+ vmw_surface_unreference(&surface);
+ } else if (dmabuf) {
+ ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, dmabuf, &vfb,
+ mode_cmd);
+ } else {
+ BUG();
+ }
+
+ if (ret)
+ return ERR_PTR(ret);
+
+ vfb->pin = vmw_framebuffer_pin;
+ vfb->unpin = vmw_framebuffer_unpin;
+
+ return vfb;
+}
+
/*
* Generic Kernel modesetting functions
*/
@@ -1157,7 +999,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
if (!vmw_kms_validate_mode_vram(dev_priv,
mode_cmd.pitch,
mode_cmd.height)) {
- DRM_ERROR("VRAM size is too small for requested mode.\n");
+ DRM_ERROR("Requested mode exceed bounding box limit.\n");
return ERR_PTR(-ENOMEM);
}
@@ -1187,15 +1029,13 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
if (ret)
goto err_out;
- /* Create the new framebuffer depending one what we got back */
- if (bo)
- ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, bo, &vfb,
- &mode_cmd);
- else if (surface)
- ret = vmw_kms_new_framebuffer_surface(dev_priv, file_priv,
- surface, &vfb, &mode_cmd);
- else
- BUG();
+ vfb = vmw_kms_new_framebuffer(dev_priv, bo, surface,
+ !(dev_priv->capabilities & SVGA_CAP_3D),
+ &mode_cmd);
+ if (IS_ERR(vfb)) {
+ ret = PTR_ERR(vfb);
+ goto err_out;
+ }
err_out:
/* vmw_user_lookup_handle takes one ref so does new_fb */
@@ -1218,6 +1058,21 @@ static const struct drm_mode_config_funcs vmw_kms_funcs = {
.fb_create = vmw_kms_fb_create,
};
+static int vmw_kms_generic_present(struct vmw_private *dev_priv,
+ struct drm_file *file_priv,
+ struct vmw_framebuffer *vfb,
+ struct vmw_surface *surface,
+ uint32_t sid,
+ int32_t destX, int32_t destY,
+ struct drm_vmw_rect *clips,
+ uint32_t num_clips)
+{
+ return vmw_kms_sou_do_surface_dirty(dev_priv, vfb, NULL, clips,
+ &surface->res, destX, destY,
+ num_clips, 1, NULL);
+}
+
+
int vmw_kms_present(struct vmw_private *dev_priv,
struct drm_file *file_priv,
struct vmw_framebuffer *vfb,
@@ -1227,238 +1082,31 @@ int vmw_kms_present(struct vmw_private *dev_priv,
struct drm_vmw_rect *clips,
uint32_t num_clips)
{
- struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
- struct drm_clip_rect *tmp;
- struct drm_crtc *crtc;
- size_t fifo_size;
- int i, k, num_units;
- int ret = 0; /* silence warning */
- int left, right, top, bottom;
-
- struct {
- SVGA3dCmdHeader header;
- SVGA3dCmdBlitSurfaceToScreen body;
- } *cmd;
- SVGASignedRect *blits;
-
- num_units = 0;
- list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
- if (crtc->primary->fb != &vfb->base)
- continue;
- units[num_units++] = vmw_crtc_to_du(crtc);
- }
-
- BUG_ON(surface == NULL);
- BUG_ON(!clips || !num_clips);
-
- tmp = kzalloc(sizeof(*tmp) * num_clips, GFP_KERNEL);
- if (unlikely(tmp == NULL)) {
- DRM_ERROR("Temporary cliprect memory alloc failed.\n");
- return -ENOMEM;
- }
-
- fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num_clips;
- cmd = kmalloc(fifo_size, GFP_KERNEL);
- if (unlikely(cmd == NULL)) {
- DRM_ERROR("Failed to allocate temporary fifo memory.\n");
- ret = -ENOMEM;
- goto out_free_tmp;
- }
-
- left = clips->x;
- right = clips->x + clips->w;
- top = clips->y;
- bottom = clips->y + clips->h;
-
- for (i = 1; i < num_clips; i++) {
- left = min_t(int, left, (int)clips[i].x);
- right = max_t(int, right, (int)clips[i].x + clips[i].w);
- top = min_t(int, top, (int)clips[i].y);
- bottom = max_t(int, bottom, (int)clips[i].y + clips[i].h);
- }
-
- /* only need to do this once */
- memset(cmd, 0, fifo_size);
- cmd->header.id = cpu_to_le32(SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN);
-
- blits = (SVGASignedRect *)&cmd[1];
-
- cmd->body.srcRect.left = left;
- cmd->body.srcRect.right = right;
- cmd->body.srcRect.top = top;
- cmd->body.srcRect.bottom = bottom;
-
- for (i = 0; i < num_clips; i++) {
- tmp[i].x1 = clips[i].x - left;
- tmp[i].x2 = clips[i].x + clips[i].w - left;
- tmp[i].y1 = clips[i].y - top;
- tmp[i].y2 = clips[i].y + clips[i].h - top;
- }
-
- for (k = 0; k < num_units; k++) {
- struct vmw_display_unit *unit = units[k];
- struct vmw_clip_rect clip;
- int num;
-
- clip.x1 = left + destX - unit->crtc.x;
- clip.y1 = top + destY - unit->crtc.y;
- clip.x2 = right + destX - unit->crtc.x;
- clip.y2 = bottom + destY - unit->crtc.y;
-
- /* skip any crtcs that misses the clip region */
- if (clip.x1 >= unit->crtc.mode.hdisplay ||
- clip.y1 >= unit->crtc.mode.vdisplay ||
- clip.x2 <= 0 || clip.y2 <= 0)
- continue;
-
- /*
- * In order for the clip rects to be correctly scaled
- * the src and dest rects needs to be the same size.
- */
- cmd->body.destRect.left = clip.x1;
- cmd->body.destRect.right = clip.x2;
- cmd->body.destRect.top = clip.y1;
- cmd->body.destRect.bottom = clip.y2;
-
- /* create a clip rect of the crtc in dest coords */
- clip.x2 = unit->crtc.mode.hdisplay - clip.x1;
- clip.y2 = unit->crtc.mode.vdisplay - clip.y1;
- clip.x1 = 0 - clip.x1;
- clip.y1 = 0 - clip.y1;
-
- /* need to reset sid as it is changed by execbuf */
- cmd->body.srcImage.sid = sid;
- cmd->body.destScreenId = unit->unit;
-
- /* clip and write blits to cmd stream */
- vmw_clip_cliprects(tmp, num_clips, clip, blits, &num);
-
- /* if no cliprects hit skip this */
- if (num == 0)
- continue;
-
- /* recalculate package length */
- fifo_size = sizeof(*cmd) + sizeof(SVGASignedRect) * num;
- cmd->header.size = cpu_to_le32(fifo_size - sizeof(cmd->header));
- ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
- fifo_size, 0, NULL, NULL);
-
- if (unlikely(ret != 0))
- break;
- }
-
- kfree(cmd);
-out_free_tmp:
- kfree(tmp);
-
- return ret;
-}
-
-int vmw_kms_readback(struct vmw_private *dev_priv,
- struct drm_file *file_priv,
- struct vmw_framebuffer *vfb,
- struct drm_vmw_fence_rep __user *user_fence_rep,
- struct drm_vmw_rect *clips,
- uint32_t num_clips)
-{
- struct vmw_framebuffer_dmabuf *vfbd =
- vmw_framebuffer_to_vfbd(&vfb->base);
- struct vmw_dma_buffer *dmabuf = vfbd->buffer;
- struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
- struct drm_crtc *crtc;
- size_t fifo_size;
- int i, k, ret, num_units, blits_pos;
-
- struct {
- uint32_t header;
- SVGAFifoCmdDefineGMRFB body;
- } *cmd;
- struct {
- uint32_t header;
- SVGAFifoCmdBlitScreenToGMRFB body;
- } *blits;
-
- num_units = 0;
- list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
- if (crtc->primary->fb != &vfb->base)
- continue;
- units[num_units++] = vmw_crtc_to_du(crtc);
- }
-
- BUG_ON(dmabuf == NULL);
- BUG_ON(!clips || !num_clips);
-
- /* take a safe guess at fifo size */
- fifo_size = sizeof(*cmd) + sizeof(*blits) * num_clips * num_units;
- cmd = kmalloc(fifo_size, GFP_KERNEL);
- if (unlikely(cmd == NULL)) {
- DRM_ERROR("Failed to allocate temporary fifo memory.\n");
- return -ENOMEM;
- }
-
- memset(cmd, 0, fifo_size);
- cmd->header = SVGA_CMD_DEFINE_GMRFB;
- cmd->body.format.bitsPerPixel = vfb->base.bits_per_pixel;
- cmd->body.format.colorDepth = vfb->base.depth;
- cmd->body.format.reserved = 0;
- cmd->body.bytesPerLine = vfb->base.pitches[0];
- cmd->body.ptr.gmrId = vfb->user_handle;
- cmd->body.ptr.offset = 0;
-
- blits = (void *)&cmd[1];
- blits_pos = 0;
- for (i = 0; i < num_units; i++) {
- struct drm_vmw_rect *c = clips;
- for (k = 0; k < num_clips; k++, c++) {
- /* transform clip coords to crtc origin based coords */
- int clip_x1 = c->x - units[i]->crtc.x;
- int clip_x2 = c->x - units[i]->crtc.x + c->w;
- int clip_y1 = c->y - units[i]->crtc.y;
- int clip_y2 = c->y - units[i]->crtc.y + c->h;
- int dest_x = c->x;
- int dest_y = c->y;
-
- /* compensate for clipping, we negate
- * a negative number and add that.
- */
- if (clip_x1 < 0)
- dest_x += -clip_x1;
- if (clip_y1 < 0)
- dest_y += -clip_y1;
-
- /* clip */
- clip_x1 = max(clip_x1, 0);
- clip_y1 = max(clip_y1, 0);
- clip_x2 = min(clip_x2, units[i]->crtc.mode.hdisplay);
- clip_y2 = min(clip_y2, units[i]->crtc.mode.vdisplay);
-
- /* and cull any rects that misses the crtc */
- if (clip_x1 >= units[i]->crtc.mode.hdisplay ||
- clip_y1 >= units[i]->crtc.mode.vdisplay ||
- clip_x2 <= 0 || clip_y2 <= 0)
- continue;
-
- blits[blits_pos].header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB;
- blits[blits_pos].body.srcScreenId = units[i]->unit;
- blits[blits_pos].body.destOrigin.x = dest_x;
- blits[blits_pos].body.destOrigin.y = dest_y;
+ int ret;
- blits[blits_pos].body.srcRect.left = clip_x1;
- blits[blits_pos].body.srcRect.top = clip_y1;
- blits[blits_pos].body.srcRect.right = clip_x2;
- blits[blits_pos].body.srcRect.bottom = clip_y2;
- blits_pos++;
- }
+ switch (dev_priv->active_display_unit) {
+ case vmw_du_screen_target:
+ ret = vmw_kms_stdu_surface_dirty(dev_priv, vfb, NULL, clips,
+ &surface->res, destX, destY,
+ num_clips, 1, NULL);
+ break;
+ case vmw_du_screen_object:
+ ret = vmw_kms_generic_present(dev_priv, file_priv, vfb, surface,
+ sid, destX, destY, clips,
+ num_clips);
+ break;
+ default:
+ WARN_ONCE(true,
+ "Present called with invalid display system.\n");
+ ret = -ENOSYS;
+ break;
}
- /* reset size here and use calculated exact size from loops */
- fifo_size = sizeof(*cmd) + sizeof(*blits) * blits_pos;
-
- ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd, fifo_size,
- 0, user_fence_rep, NULL);
+ if (ret)
+ return ret;
- kfree(cmd);
+ vmw_fifo_flush(dev_priv, false);
- return ret;
+ return 0;
}
int vmw_kms_init(struct vmw_private *dev_priv)
@@ -1470,30 +1118,37 @@ int vmw_kms_init(struct vmw_private *dev_priv)
dev->mode_config.funcs = &vmw_kms_funcs;
dev->mode_config.min_width = 1;
dev->mode_config.min_height = 1;
- /* assumed largest fb size */
- dev->mode_config.max_width = 8192;
- dev->mode_config.max_height = 8192;
+ dev->mode_config.max_width = dev_priv->texture_max_width;
+ dev->mode_config.max_height = dev_priv->texture_max_height;
- ret = vmw_kms_init_screen_object_display(dev_priv);
- if (ret) /* Fallback */
- (void)vmw_kms_init_legacy_display_system(dev_priv);
+ ret = vmw_kms_stdu_init_display(dev_priv);
+ if (ret) {
+ ret = vmw_kms_sou_init_display(dev_priv);
+ if (ret) /* Fallback */
+ ret = vmw_kms_ldu_init_display(dev_priv);
+ }
- return 0;
+ return ret;
}
int vmw_kms_close(struct vmw_private *dev_priv)
{
+ int ret;
+
/*
* Docs says we should take the lock before calling this function
* but since it destroys encoders and our destructor calls
* drm_encoder_cleanup which takes the lock we deadlock.
*/
drm_mode_config_cleanup(dev_priv->dev);
- if (dev_priv->sou_priv)
- vmw_kms_close_screen_object_display(dev_priv);
+ if (dev_priv->active_display_unit == vmw_du_screen_object)
+ ret = vmw_kms_sou_close_display(dev_priv);
+ else if (dev_priv->active_display_unit == vmw_du_screen_target)
+ ret = vmw_kms_stdu_close_display(dev_priv);
else
- vmw_kms_close_legacy_display_system(dev_priv);
- return 0;
+ ret = vmw_kms_ldu_close_display(dev_priv);
+
+ return ret;
}
int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
@@ -1542,7 +1197,8 @@ int vmw_kms_write_svga(struct vmw_private *vmw_priv,
if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
else if (vmw_fifo_have_pitchlock(vmw_priv))
- iowrite32(pitch, vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
+ vmw_mmio_write(pitch, vmw_priv->mmio_virt +
+ SVGA_FIFO_PITCHLOCK);
vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
@@ -1568,8 +1224,8 @@ int vmw_kms_save_vga(struct vmw_private *vmw_priv)
vmw_priv->vga_pitchlock =
vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
else if (vmw_fifo_have_pitchlock(vmw_priv))
- vmw_priv->vga_pitchlock = ioread32(vmw_priv->mmio_virt +
- SVGA_FIFO_PITCHLOCK);
+ vmw_priv->vga_pitchlock = vmw_mmio_read(vmw_priv->mmio_virt +
+ SVGA_FIFO_PITCHLOCK);
if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
return 0;
@@ -1617,8 +1273,8 @@ int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
vmw_priv->vga_pitchlock);
else if (vmw_fifo_have_pitchlock(vmw_priv))
- iowrite32(vmw_priv->vga_pitchlock,
- vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
+ vmw_mmio_write(vmw_priv->vga_pitchlock,
+ vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
return 0;
@@ -1641,14 +1297,16 @@ bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
uint32_t pitch,
uint32_t height)
{
- return ((u64) pitch * (u64) height) < (u64) dev_priv->prim_bb_mem;
+ return ((u64) pitch * (u64) height) < (u64)
+ ((dev_priv->active_display_unit == vmw_du_screen_target) ?
+ dev_priv->prim_bb_mem : dev_priv->vram_size);
}
/**
* Function called by DRM code called with vbl_lock held.
*/
-u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
+u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
{
return 0;
}
@@ -1656,7 +1314,7 @@ u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
/**
* Function called by DRM code called with vbl_lock held.
*/
-int vmw_enable_vblank(struct drm_device *dev, int crtc)
+int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe)
{
return -ENOSYS;
}
@@ -1664,7 +1322,7 @@ int vmw_enable_vblank(struct drm_device *dev, int crtc)
/**
* Function called by DRM code called with vbl_lock held.
*/
-void vmw_disable_vblank(struct drm_device *dev, int crtc)
+void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe)
{
}
@@ -1715,75 +1373,6 @@ static int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
return 0;
}
-int vmw_du_page_flip(struct drm_crtc *crtc,
- struct drm_framebuffer *fb,
- struct drm_pending_vblank_event *event,
- uint32_t page_flip_flags)
-{
- struct vmw_private *dev_priv = vmw_priv(crtc->dev);
- struct drm_framebuffer *old_fb = crtc->primary->fb;
- struct vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(fb);
- struct drm_file *file_priv ;
- struct vmw_fence_obj *fence = NULL;
- struct drm_clip_rect clips;
- int ret;
-
- if (event == NULL)
- return -EINVAL;
-
- /* require ScreenObject support for page flipping */
- if (!dev_priv->sou_priv)
- return -ENOSYS;
-
- file_priv = event->base.file_priv;
- if (!vmw_kms_screen_object_flippable(dev_priv, crtc))
- return -EINVAL;
-
- crtc->primary->fb = fb;
-
- /* do a full screen dirty update */
- clips.x1 = clips.y1 = 0;
- clips.x2 = fb->width;
- clips.y2 = fb->height;
-
- if (vfb->dmabuf)
- ret = do_dmabuf_dirty_sou(file_priv, dev_priv, vfb,
- 0, 0, &clips, 1, 1, &fence);
- else
- ret = do_surface_dirty_sou(dev_priv, file_priv, vfb,
- 0, 0, &clips, 1, 1, &fence);
-
-
- if (ret != 0)
- goto out_no_fence;
- if (!fence) {
- ret = -EINVAL;
- goto out_no_fence;
- }
-
- ret = vmw_event_fence_action_queue(file_priv, fence,
- &event->base,
- &event->event.tv_sec,
- &event->event.tv_usec,
- true);
-
- /*
- * No need to hold on to this now. The only cleanup
- * we need to do if we fail is unref the fence.
- */
- vmw_fence_obj_unreference(&fence);
-
- if (vmw_crtc_to_du(crtc)->is_implicit)
- vmw_kms_screen_object_update_implicit_fb(dev_priv, crtc);
-
- return ret;
-
-out_no_fence:
- crtc->primary->fb = old_fb;
- return ret;
-}
-
-
void vmw_du_crtc_save(struct drm_crtc *crtc)
{
}
@@ -1808,8 +1397,9 @@ void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
}
}
-void vmw_du_connector_dpms(struct drm_connector *connector, int mode)
+int vmw_du_connector_dpms(struct drm_connector *connector, int mode)
{
+ return 0;
}
void vmw_du_connector_save(struct drm_connector *connector)
@@ -1919,7 +1509,7 @@ static struct drm_display_mode vmw_kms_connector_builtin[] = {
* @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
* members filled in.
*/
-static void vmw_guess_mode_timing(struct drm_display_mode *mode)
+void vmw_guess_mode_timing(struct drm_display_mode *mode)
{
mode->hsync_start = mode->hdisplay + 50;
mode->hsync_end = mode->hsync_start + 50;
@@ -1954,36 +1544,39 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector,
* If using screen objects, then assume 32-bpp because that's what the
* SVGA device is assuming
*/
- if (dev_priv->sou_priv)
+ if (dev_priv->active_display_unit == vmw_du_screen_object)
assumed_bpp = 4;
+ if (dev_priv->active_display_unit == vmw_du_screen_target) {
+ max_width = min(max_width, dev_priv->stdu_max_width);
+ max_height = min(max_height, dev_priv->stdu_max_height);
+ }
+
/* Add preferred mode */
- {
- mode = drm_mode_duplicate(dev, &prefmode);
- if (!mode)
- return 0;
- mode->hdisplay = du->pref_width;
- mode->vdisplay = du->pref_height;
- vmw_guess_mode_timing(mode);
-
- if (vmw_kms_validate_mode_vram(dev_priv,
- mode->hdisplay * assumed_bpp,
- mode->vdisplay)) {
- drm_mode_probed_add(connector, mode);
- } else {
- drm_mode_destroy(dev, mode);
- mode = NULL;
- }
+ mode = drm_mode_duplicate(dev, &prefmode);
+ if (!mode)
+ return 0;
+ mode->hdisplay = du->pref_width;
+ mode->vdisplay = du->pref_height;
+ vmw_guess_mode_timing(mode);
- if (du->pref_mode) {
- list_del_init(&du->pref_mode->head);
- drm_mode_destroy(dev, du->pref_mode);
- }
+ if (vmw_kms_validate_mode_vram(dev_priv,
+ mode->hdisplay * assumed_bpp,
+ mode->vdisplay)) {
+ drm_mode_probed_add(connector, mode);
+ } else {
+ drm_mode_destroy(dev, mode);
+ mode = NULL;
+ }
- /* mode might be null here, this is intended */
- du->pref_mode = mode;
+ if (du->pref_mode) {
+ list_del_init(&du->pref_mode->head);
+ drm_mode_destroy(dev, du->pref_mode);
}
+ /* mode might be null here, this is intended */
+ du->pref_mode = mode;
+
for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
bmode = &vmw_kms_connector_builtin[i];
if (bmode->hdisplay > max_width ||
@@ -2003,11 +1596,9 @@ int vmw_du_connector_fill_modes(struct drm_connector *connector,
drm_mode_probed_add(connector, mode);
}
- /* Move the prefered mode first, help apps pick the right mode. */
- if (du->pref_mode)
- list_move(&du->pref_mode->head, &connector->probed_modes);
-
drm_mode_connector_list_update(connector, true);
+ /* Move the prefered mode first, help apps pick the right mode. */
+ drm_mode_sort(&connector->modes);
return 1;
}
@@ -2031,7 +1622,9 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
unsigned rects_size;
int ret;
int i;
+ u64 total_pixels = 0;
struct drm_mode_config *mode_config = &dev->mode_config;
+ struct drm_vmw_rect bounding_box = {0};
if (!arg->num_outputs) {
struct drm_vmw_rect def_rect = {0, 0, 800, 600};
@@ -2062,6 +1655,40 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
ret = -EINVAL;
goto out_free;
}
+
+ /*
+ * bounding_box.w and bunding_box.h are used as
+ * lower-right coordinates
+ */
+ if (rects[i].x + rects[i].w > bounding_box.w)
+ bounding_box.w = rects[i].x + rects[i].w;
+
+ if (rects[i].y + rects[i].h > bounding_box.h)
+ bounding_box.h = rects[i].y + rects[i].h;
+
+ total_pixels += (u64) rects[i].w * (u64) rects[i].h;
+ }
+
+ if (dev_priv->active_display_unit == vmw_du_screen_target) {
+ /*
+ * For Screen Targets, the limits for a toplogy are:
+ * 1. Bounding box (assuming 32bpp) must be < prim_bb_mem
+ * 2. Total pixels (assuming 32bpp) must be < prim_bb_mem
+ */
+ u64 bb_mem = bounding_box.w * bounding_box.h * 4;
+ u64 pixel_mem = total_pixels * 4;
+
+ if (bb_mem > dev_priv->prim_bb_mem) {
+ DRM_ERROR("Topology is beyond supported limits.\n");
+ ret = -EINVAL;
+ goto out_free;
+ }
+
+ if (pixel_mem > dev_priv->prim_bb_mem) {
+ DRM_ERROR("Combined output size too large\n");
+ ret = -EINVAL;
+ goto out_free;
+ }
}
vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
@@ -2070,3 +1697,418 @@ out_free:
kfree(rects);
return ret;
}
+
+/**
+ * vmw_kms_helper_dirty - Helper to build commands and perform actions based
+ * on a set of cliprects and a set of display units.
+ *
+ * @dev_priv: Pointer to a device private structure.
+ * @framebuffer: Pointer to the framebuffer on which to perform the actions.
+ * @clips: A set of struct drm_clip_rect. Either this os @vclips must be NULL.
+ * Cliprects are given in framebuffer coordinates.
+ * @vclips: A set of struct drm_vmw_rect cliprects. Either this or @clips must
+ * be NULL. Cliprects are given in source coordinates.
+ * @dest_x: X coordinate offset for the crtc / destination clip rects.
+ * @dest_y: Y coordinate offset for the crtc / destination clip rects.
+ * @num_clips: Number of cliprects in the @clips or @vclips array.
+ * @increment: Integer with which to increment the clip counter when looping.
+ * Used to skip a predetermined number of clip rects.
+ * @dirty: Closure structure. See the description of struct vmw_kms_dirty.
+ */
+int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
+ struct vmw_framebuffer *framebuffer,
+ const struct drm_clip_rect *clips,
+ const struct drm_vmw_rect *vclips,
+ s32 dest_x, s32 dest_y,
+ int num_clips,
+ int increment,
+ struct vmw_kms_dirty *dirty)
+{
+ struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
+ struct drm_crtc *crtc;
+ u32 num_units = 0;
+ u32 i, k;
+
+ dirty->dev_priv = dev_priv;
+
+ list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
+ if (crtc->primary->fb != &framebuffer->base)
+ continue;
+ units[num_units++] = vmw_crtc_to_du(crtc);
+ }
+
+ for (k = 0; k < num_units; k++) {
+ struct vmw_display_unit *unit = units[k];
+ s32 crtc_x = unit->crtc.x;
+ s32 crtc_y = unit->crtc.y;
+ s32 crtc_width = unit->crtc.mode.hdisplay;
+ s32 crtc_height = unit->crtc.mode.vdisplay;
+ const struct drm_clip_rect *clips_ptr = clips;
+ const struct drm_vmw_rect *vclips_ptr = vclips;
+
+ dirty->unit = unit;
+ if (dirty->fifo_reserve_size > 0) {
+ dirty->cmd = vmw_fifo_reserve(dev_priv,
+ dirty->fifo_reserve_size);
+ if (!dirty->cmd) {
+ DRM_ERROR("Couldn't reserve fifo space "
+ "for dirty blits.\n");
+ return -ENOMEM;
+ }
+ memset(dirty->cmd, 0, dirty->fifo_reserve_size);
+ }
+ dirty->num_hits = 0;
+ for (i = 0; i < num_clips; i++, clips_ptr += increment,
+ vclips_ptr += increment) {
+ s32 clip_left;
+ s32 clip_top;
+
+ /*
+ * Select clip array type. Note that integer type
+ * in @clips is unsigned short, whereas in @vclips
+ * it's 32-bit.
+ */
+ if (clips) {
+ dirty->fb_x = (s32) clips_ptr->x1;
+ dirty->fb_y = (s32) clips_ptr->y1;
+ dirty->unit_x2 = (s32) clips_ptr->x2 + dest_x -
+ crtc_x;
+ dirty->unit_y2 = (s32) clips_ptr->y2 + dest_y -
+ crtc_y;
+ } else {
+ dirty->fb_x = vclips_ptr->x;
+ dirty->fb_y = vclips_ptr->y;
+ dirty->unit_x2 = dirty->fb_x + vclips_ptr->w +
+ dest_x - crtc_x;
+ dirty->unit_y2 = dirty->fb_y + vclips_ptr->h +
+ dest_y - crtc_y;
+ }
+
+ dirty->unit_x1 = dirty->fb_x + dest_x - crtc_x;
+ dirty->unit_y1 = dirty->fb_y + dest_y - crtc_y;
+
+ /* Skip this clip if it's outside the crtc region */
+ if (dirty->unit_x1 >= crtc_width ||
+ dirty->unit_y1 >= crtc_height ||
+ dirty->unit_x2 <= 0 || dirty->unit_y2 <= 0)
+ continue;
+
+ /* Clip right and bottom to crtc limits */
+ dirty->unit_x2 = min_t(s32, dirty->unit_x2,
+ crtc_width);
+ dirty->unit_y2 = min_t(s32, dirty->unit_y2,
+ crtc_height);
+
+ /* Clip left and top to crtc limits */
+ clip_left = min_t(s32, dirty->unit_x1, 0);
+ clip_top = min_t(s32, dirty->unit_y1, 0);
+ dirty->unit_x1 -= clip_left;
+ dirty->unit_y1 -= clip_top;
+ dirty->fb_x -= clip_left;
+ dirty->fb_y -= clip_top;
+
+ dirty->clip(dirty);
+ }
+
+ dirty->fifo_commit(dirty);
+ }
+
+ return 0;
+}
+
+/**
+ * vmw_kms_helper_buffer_prepare - Reserve and validate a buffer object before
+ * command submission.
+ *
+ * @dev_priv. Pointer to a device private structure.
+ * @buf: The buffer object
+ * @interruptible: Whether to perform waits as interruptible.
+ * @validate_as_mob: Whether the buffer should be validated as a MOB. If false,
+ * The buffer will be validated as a GMR. Already pinned buffers will not be
+ * validated.
+ *
+ * Returns 0 on success, negative error code on failure, -ERESTARTSYS if
+ * interrupted by a signal.
+ */
+int vmw_kms_helper_buffer_prepare(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *buf,
+ bool interruptible,
+ bool validate_as_mob)
+{
+ struct ttm_buffer_object *bo = &buf->base;
+ int ret;
+
+ ttm_bo_reserve(bo, false, false, interruptible, NULL);
+ ret = vmw_validate_single_buffer(dev_priv, bo, interruptible,
+ validate_as_mob);
+ if (ret)
+ ttm_bo_unreserve(bo);
+
+ return ret;
+}
+
+/**
+ * vmw_kms_helper_buffer_revert - Undo the actions of
+ * vmw_kms_helper_buffer_prepare.
+ *
+ * @res: Pointer to the buffer object.
+ *
+ * Helper to be used if an error forces the caller to undo the actions of
+ * vmw_kms_helper_buffer_prepare.
+ */
+void vmw_kms_helper_buffer_revert(struct vmw_dma_buffer *buf)
+{
+ if (buf)
+ ttm_bo_unreserve(&buf->base);
+}
+
+/**
+ * vmw_kms_helper_buffer_finish - Unreserve and fence a buffer object after
+ * kms command submission.
+ *
+ * @dev_priv: Pointer to a device private structure.
+ * @file_priv: Pointer to a struct drm_file representing the caller's
+ * connection. Must be set to NULL if @user_fence_rep is NULL, and conversely
+ * if non-NULL, @user_fence_rep must be non-NULL.
+ * @buf: The buffer object.
+ * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
+ * ref-counted fence pointer is returned here.
+ * @user_fence_rep: Optional pointer to a user-space provided struct
+ * drm_vmw_fence_rep. If provided, @file_priv must also be provided and the
+ * function copies fence data to user-space in a fail-safe manner.
+ */
+void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv,
+ struct drm_file *file_priv,
+ struct vmw_dma_buffer *buf,
+ struct vmw_fence_obj **out_fence,
+ struct drm_vmw_fence_rep __user *
+ user_fence_rep)
+{
+ struct vmw_fence_obj *fence;
+ uint32_t handle;
+ int ret;
+
+ ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,
+ file_priv ? &handle : NULL);
+ if (buf)
+ vmw_fence_single_bo(&buf->base, fence);
+ if (file_priv)
+ vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv),
+ ret, user_fence_rep, fence,
+ handle);
+ if (out_fence)
+ *out_fence = fence;
+ else
+ vmw_fence_obj_unreference(&fence);
+
+ vmw_kms_helper_buffer_revert(buf);
+}
+
+
+/**
+ * vmw_kms_helper_resource_revert - Undo the actions of
+ * vmw_kms_helper_resource_prepare.
+ *
+ * @res: Pointer to the resource. Typically a surface.
+ *
+ * Helper to be used if an error forces the caller to undo the actions of
+ * vmw_kms_helper_resource_prepare.
+ */
+void vmw_kms_helper_resource_revert(struct vmw_resource *res)
+{
+ vmw_kms_helper_buffer_revert(res->backup);
+ vmw_resource_unreserve(res, false, NULL, 0);
+ mutex_unlock(&res->dev_priv->cmdbuf_mutex);
+}
+
+/**
+ * vmw_kms_helper_resource_prepare - Reserve and validate a resource before
+ * command submission.
+ *
+ * @res: Pointer to the resource. Typically a surface.
+ * @interruptible: Whether to perform waits as interruptible.
+ *
+ * Reserves and validates also the backup buffer if a guest-backed resource.
+ * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
+ * interrupted by a signal.
+ */
+int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
+ bool interruptible)
+{
+ int ret = 0;
+
+ if (interruptible)
+ ret = mutex_lock_interruptible(&res->dev_priv->cmdbuf_mutex);
+ else
+ mutex_lock(&res->dev_priv->cmdbuf_mutex);
+
+ if (unlikely(ret != 0))
+ return -ERESTARTSYS;
+
+ ret = vmw_resource_reserve(res, interruptible, false);
+ if (ret)
+ goto out_unlock;
+
+ if (res->backup) {
+ ret = vmw_kms_helper_buffer_prepare(res->dev_priv, res->backup,
+ interruptible,
+ res->dev_priv->has_mob);
+ if (ret)
+ goto out_unreserve;
+ }
+ ret = vmw_resource_validate(res);
+ if (ret)
+ goto out_revert;
+ return 0;
+
+out_revert:
+ vmw_kms_helper_buffer_revert(res->backup);
+out_unreserve:
+ vmw_resource_unreserve(res, false, NULL, 0);
+out_unlock:
+ mutex_unlock(&res->dev_priv->cmdbuf_mutex);
+ return ret;
+}
+
+/**
+ * vmw_kms_helper_resource_finish - Unreserve and fence a resource after
+ * kms command submission.
+ *
+ * @res: Pointer to the resource. Typically a surface.
+ * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
+ * ref-counted fence pointer is returned here.
+ */
+void vmw_kms_helper_resource_finish(struct vmw_resource *res,
+ struct vmw_fence_obj **out_fence)
+{
+ if (res->backup || out_fence)
+ vmw_kms_helper_buffer_finish(res->dev_priv, NULL, res->backup,
+ out_fence, NULL);
+
+ vmw_resource_unreserve(res, false, NULL, 0);
+ mutex_unlock(&res->dev_priv->cmdbuf_mutex);
+}
+
+/**
+ * vmw_kms_update_proxy - Helper function to update a proxy surface from
+ * its backing MOB.
+ *
+ * @res: Pointer to the surface resource
+ * @clips: Clip rects in framebuffer (surface) space.
+ * @num_clips: Number of clips in @clips.
+ * @increment: Integer with which to increment the clip counter when looping.
+ * Used to skip a predetermined number of clip rects.
+ *
+ * This function makes sure the proxy surface is updated from its backing MOB
+ * using the region given by @clips. The surface resource @res and its backing
+ * MOB needs to be reserved and validated on call.
+ */
+int vmw_kms_update_proxy(struct vmw_resource *res,
+ const struct drm_clip_rect *clips,
+ unsigned num_clips,
+ int increment)
+{
+ struct vmw_private *dev_priv = res->dev_priv;
+ struct drm_vmw_size *size = &vmw_res_to_srf(res)->base_size;
+ struct {
+ SVGA3dCmdHeader header;
+ SVGA3dCmdUpdateGBImage body;
+ } *cmd;
+ SVGA3dBox *box;
+ size_t copy_size = 0;
+ int i;
+
+ if (!clips)
+ return 0;
+
+ cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd) * num_clips);
+ if (!cmd) {
+ DRM_ERROR("Couldn't reserve fifo space for proxy surface "
+ "update.\n");
+ return -ENOMEM;
+ }
+
+ for (i = 0; i < num_clips; ++i, clips += increment, ++cmd) {
+ box = &cmd->body.box;
+
+ cmd->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
+ cmd->header.size = sizeof(cmd->body);
+ cmd->body.image.sid = res->id;
+ cmd->body.image.face = 0;
+ cmd->body.image.mipmap = 0;
+
+ if (clips->x1 > size->width || clips->x2 > size->width ||
+ clips->y1 > size->height || clips->y2 > size->height) {
+ DRM_ERROR("Invalid clips outsize of framebuffer.\n");
+ return -EINVAL;
+ }
+
+ box->x = clips->x1;
+ box->y = clips->y1;
+ box->z = 0;
+ box->w = clips->x2 - clips->x1;
+ box->h = clips->y2 - clips->y1;
+ box->d = 1;
+
+ copy_size += sizeof(*cmd);
+ }
+
+ vmw_fifo_commit(dev_priv, copy_size);
+
+ return 0;
+}
+
+int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
+ unsigned unit,
+ u32 max_width,
+ u32 max_height,
+ struct drm_connector **p_con,
+ struct drm_crtc **p_crtc,
+ struct drm_display_mode **p_mode)
+{
+ struct drm_connector *con;
+ struct vmw_display_unit *du;
+ struct drm_display_mode *mode;
+ int i = 0;
+
+ list_for_each_entry(con, &dev_priv->dev->mode_config.connector_list,
+ head) {
+ if (i == unit)
+ break;
+
+ ++i;
+ }
+
+ if (i != unit) {
+ DRM_ERROR("Could not find initial display unit.\n");
+ return -EINVAL;
+ }
+
+ if (list_empty(&con->modes))
+ (void) vmw_du_connector_fill_modes(con, max_width, max_height);
+
+ if (list_empty(&con->modes)) {
+ DRM_ERROR("Could not find initial display mode.\n");
+ return -EINVAL;
+ }
+
+ du = vmw_connector_to_du(con);
+ *p_con = con;
+ *p_crtc = &du->crtc;
+
+ list_for_each_entry(mode, &con->modes, head) {
+ if (mode->type & DRM_MODE_TYPE_PREFERRED)
+ break;
+ }
+
+ if (mode->type & DRM_MODE_TYPE_PREFERRED)
+ *p_mode = mode;
+ else {
+ WARN_ONCE(true, "Could not find initial preferred mode.\n");
+ *p_mode = list_first_entry(&con->modes,
+ struct drm_display_mode,
+ head);
+ }
+
+ return 0;
+}