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drm/vmwgfx: Convert screen objects to the new helpers

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This makes it possible to use the same function for surface dirty and
present. Also fixes page flip without events.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
This commit is contained in:
Thomas Hellstrom 2015-06-26 02:14:27 -07:00
parent 1a4b172ac9
commit 10b1e0ca9c
4 changed files with 445 additions and 557 deletions
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6
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View File

@ -952,12 +952,6 @@ int vmw_kms_present(struct vmw_private *dev_priv,
uint32_t sid, int32_t destX, int32_t destY,
struct drm_vmw_rect *clips,
uint32_t num_clips);
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);
int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);

319
drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
View File

@ -31,41 +31,6 @@
/* Might need a hrtimer here? */
#define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
/**
* Clip @num_rects number of @rects against @clip storing the
* results in @out_rects and the number of passed rects in @out_num.
*/
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_du_cleanup(struct vmw_display_unit *du)
{
if (du->cursor_surface)
@ -458,11 +423,9 @@ static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
}
if (dev_priv->active_display_unit == vmw_du_screen_object)
ret = vmw_kms_sou_do_surface_dirty(dev_priv, file_priv,
&vfbs->base,
flags, color,
clips, num_clips,
inc, NULL);
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_do_surface_dirty(dev_priv, file_priv,
&vfbs->base,
@ -477,6 +440,42 @@ 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);
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,
@ -638,10 +637,9 @@ static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
flags, color,
clips, num_clips, increment);
} else if (dev_priv->active_display_unit == vmw_du_screen_object) {
ret = vmw_kms_sou_do_dmabuf_dirty(file_priv, dev_priv,
&vfbd->base,
flags, color,
ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, &vfbd->base,
clips, num_clips, increment,
true,
NULL);
} else {
ret = vmw_kms_stdu_do_surface_dirty(dev_priv, file_priv,
@ -984,131 +982,9 @@ int vmw_kms_generic_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, 0, NULL, NULL);
if (unlikely(ret != 0))
break;
}
kfree(cmd);
out_free_tmp:
kfree(tmp);
return ret;
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,
@ -1137,113 +1013,6 @@ int vmw_kms_present(struct vmw_private *dev_priv,
return 0;
}
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;
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++;
}
}
/* 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, 0, user_fence_rep, NULL);
kfree(cmd);
return ret;
}
int vmw_kms_init(struct vmw_private *dev_priv)
{
struct drm_device *dev = dev_priv->dev;

33
drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
View File

@ -125,15 +125,6 @@ struct vmw_framebuffer_dmabuf {
};
/*
* Basic clip rect manipulation
*/
void vmw_clip_cliprects(struct drm_clip_rect *rects,
int num_rects,
struct vmw_clip_rect clip,
SVGASignedRect *out_rects,
int *out_num);
/*
* Basic cursor manipulation
*/
@ -241,6 +232,12 @@ int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
void vmw_kms_helper_resource_revert(struct vmw_resource *res);
void vmw_kms_helper_resource_finish(struct vmw_resource *res,
struct vmw_fence_obj **out_fence);
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);
/*
* Legacy display unit functions - vmwgfx_ldu.c
@ -259,20 +256,26 @@ int vmw_kms_ldu_do_dmabuf_dirty(struct vmw_private *dev_priv,
int vmw_kms_sou_init_display(struct vmw_private *dev_priv);
int vmw_kms_sou_close_display(struct vmw_private *dev_priv);
int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv,
struct drm_file *file_priv,
struct vmw_framebuffer *framebuffer,
unsigned flags, unsigned color,
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);
int vmw_kms_sou_do_dmabuf_dirty(struct drm_file *file_priv,
struct vmw_private *dev_priv,
int vmw_kms_sou_do_dmabuf_dirty(struct vmw_private *dev_priv,
struct vmw_framebuffer *framebuffer,
unsigned flags, unsigned color,
struct drm_clip_rect *clips,
unsigned num_clips, int increment,
bool interruptible,
struct vmw_fence_obj **out_fence);
int vmw_kms_sou_readback(struct vmw_private *dev_priv,
struct drm_file *file_priv,
struct vmw_framebuffer *vfb,
struct drm_vmw_fence_rep __user *user_fence_rep,
struct drm_vmw_rect *vclips,
uint32_t num_clips);
/*
* Screen Target Display Unit functions - vmwgfx_stdu.c

644
drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
View File

@ -36,10 +36,55 @@
#define vmw_connector_to_sou(x) \
container_of(x, struct vmw_screen_object_unit, base.connector)
/**
* struct vmw_kms_sou_surface_dirty - Closure structure for
* blit surface to screen command.
* @base: The base type we derive from. Used by vmw_kms_helper_dirty().
* @left: Left side of bounding box.
* @right: Right side of bounding box.
* @top: Top side of bounding box.
* @bottom: Bottom side of bounding box.
* @dst_x: Difference between source clip rects and framebuffer coordinates.
* @dst_y: Difference between source clip rects and framebuffer coordinates.
* @sid: Surface id of surface to copy from.
*/
struct vmw_kms_sou_surface_dirty {
struct vmw_kms_dirty base;
s32 left, right, top, bottom;
s32 dst_x, dst_y;
u32 sid;
};
/*
* SVGA commands that are used by this code. Please see the device headers
* for explanation.
*/
struct vmw_kms_sou_readback_blit {
uint32 header;
SVGAFifoCmdBlitScreenToGMRFB body;
};
struct vmw_kms_sou_dmabuf_blit {
uint32 header;
SVGAFifoCmdBlitGMRFBToScreen body;
};
struct vmw_kms_sou_dirty_cmd {
SVGA3dCmdHeader header;
SVGA3dCmdBlitSurfaceToScreen body;
};
/*
* Other structs.
*/
struct vmw_screen_object_display {
unsigned num_implicit;
struct vmw_framebuffer *implicit_fb;
SVGAFifoCmdDefineGMRFB cur;
struct vmw_dma_buffer *pinned_gmrfb;
};
/**
@ -202,14 +247,7 @@ static int vmw_sou_fifo_destroy(struct vmw_private *dev_priv,
static void vmw_sou_backing_free(struct vmw_private *dev_priv,
struct vmw_screen_object_unit *sou)
{
struct ttm_buffer_object *bo;
if (unlikely(sou->buffer == NULL))
return;
bo = &sou->buffer->base;
ttm_bo_unref(&bo);
sou->buffer = NULL;
vmw_dmabuf_unreference(&sou->buffer);
sou->buffer_size = 0;
}
@ -432,7 +470,6 @@ static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc,
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 = event->base.file_priv;
struct vmw_fence_obj *fence = NULL;
struct drm_clip_rect clips;
int ret;
@ -452,11 +489,13 @@ static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc,
clips.y2 = fb->height;
if (vfb->dmabuf)
ret = vmw_kms_sou_do_dmabuf_dirty(file_priv, dev_priv, vfb,
0, 0, &clips, 1, 1, &fence);
ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, vfb,
&clips, 1, 1,
true, &fence);
else
ret = vmw_kms_sou_do_surface_dirty(dev_priv, file_priv, vfb,
0, 0, &clips, 1, 1, &fence);
ret = vmw_kms_sou_do_surface_dirty(dev_priv, vfb,
&clips, NULL, NULL,
0, 0, 1, 1, &fence);
if (ret != 0)
@ -466,11 +505,15 @@ static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc,
goto out_no_fence;
}
ret = vmw_event_fence_action_queue(file_priv, fence,
&event->base,
&event->event.tv_sec,
&event->event.tv_usec,
true);
if (event) {
struct drm_file *file_priv = event->base.file_priv;
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
@ -488,153 +531,6 @@ out_no_fence:
return ret;
}
int vmw_kms_sou_do_surface_dirty(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, 0, NULL, out_fence);
if (unlikely(ret != 0))
break;
}
kfree(cmd);
out_free_tmp:
kfree(tmp);
return ret;
}
static struct drm_crtc_funcs vmw_screen_object_crtc_funcs = {
.save = vmw_du_crtc_save,
.restore = vmw_du_crtc_restore,
@ -790,14 +686,13 @@ int vmw_kms_sou_close_display(struct vmw_private *dev_priv)
return 0;
}
static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
struct vmw_private *dev_priv,
static int do_dmabuf_define_gmrfb(struct vmw_private *dev_priv,
struct vmw_framebuffer *framebuffer)
{
struct vmw_dma_buffer *buf =
container_of(framebuffer, struct vmw_framebuffer_dmabuf,
base)->buffer;
int depth = framebuffer->base.depth;
size_t fifo_size;
int ret;
struct {
uint32_t header;
SVGAFifoCmdDefineGMRFB body;
@ -810,123 +705,350 @@ static int do_dmabuf_define_gmrfb(struct drm_file *file_priv,
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");
cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
if (!cmd) {
DRM_ERROR("Out of fifo space for dirty framebuffer command.\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;
/* Buffer is reserved in vram or GMR */
vmw_bo_get_guest_ptr(&buf->base, &cmd->body.ptr);
vmw_fifo_commit(dev_priv, sizeof(*cmd));
ret = vmw_execbuf_process(file_priv, dev_priv, NULL, cmd,
fifo_size, 0, 0, NULL, NULL);
return 0;
}
kfree(cmd);
/**
* vmw_sou_surface_fifo_commit - Callback to fill in and submit a
* blit surface to screen command.
*
* @dirty: The closure structure.
*
* Fills in the missing fields in the command, and translates the cliprects
* to match the destination bounding box encoded.
*/
static void vmw_sou_surface_fifo_commit(struct vmw_kms_dirty *dirty)
{
struct vmw_kms_sou_surface_dirty *sdirty =
container_of(dirty, typeof(*sdirty), base);
struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd;
s32 trans_x = dirty->unit->crtc.x - sdirty->dst_x;
s32 trans_y = dirty->unit->crtc.y - sdirty->dst_y;
size_t region_size = dirty->num_hits * sizeof(SVGASignedRect);
SVGASignedRect *blit = (SVGASignedRect *) &cmd[1];
int i;
cmd->header.id = SVGA_3D_CMD_BLIT_SURFACE_TO_SCREEN;
cmd->header.size = sizeof(cmd->body) + region_size;
/*
* Use the destination bounding box to specify destination - and
* source bounding regions.
*/
cmd->body.destRect.left = sdirty->left;
cmd->body.destRect.right = sdirty->right;
cmd->body.destRect.top = sdirty->top;
cmd->body.destRect.bottom = sdirty->bottom;
cmd->body.srcRect.left = sdirty->left + trans_x;
cmd->body.srcRect.right = sdirty->right + trans_x;
cmd->body.srcRect.top = sdirty->top + trans_y;
cmd->body.srcRect.bottom = sdirty->bottom + trans_y;
cmd->body.srcImage.sid = sdirty->sid;
cmd->body.destScreenId = dirty->unit->unit;
/* Blits are relative to the destination rect. Translate. */
for (i = 0; i < dirty->num_hits; ++i, ++blit) {
blit->left -= sdirty->left;
blit->right -= sdirty->left;
blit->top -= sdirty->top;
blit->bottom -= sdirty->top;
}
vmw_fifo_commit(dirty->dev_priv, region_size + sizeof(*cmd));
sdirty->left = sdirty->top = S32_MAX;
sdirty->right = sdirty->bottom = S32_MIN;
}
/**
* vmw_sou_surface_clip - Callback to encode a blit surface to screen cliprect.
*
* @dirty: The closure structure
*
* Encodes a SVGASignedRect cliprect and updates the bounding box of the
* BLIT_SURFACE_TO_SCREEN command.
*/
static void vmw_sou_surface_clip(struct vmw_kms_dirty *dirty)
{
struct vmw_kms_sou_surface_dirty *sdirty =
container_of(dirty, typeof(*sdirty), base);
struct vmw_kms_sou_dirty_cmd *cmd = dirty->cmd;
SVGASignedRect *blit = (SVGASignedRect *) &cmd[1];
/* Destination rect. */
blit += dirty->num_hits;
blit->left = dirty->unit_x1;
blit->top = dirty->unit_y1;
blit->right = dirty->unit_x2;
blit->bottom = dirty->unit_y2;
/* Destination bounding box */
sdirty->left = min_t(s32, sdirty->left, dirty->unit_x1);
sdirty->top = min_t(s32, sdirty->top, dirty->unit_y1);
sdirty->right = max_t(s32, sdirty->right, dirty->unit_x2);
sdirty->bottom = max_t(s32, sdirty->bottom, dirty->unit_y2);
dirty->num_hits++;
}
/**
* vmw_kms_sou_do_surface_dirty - Dirty part of a surface backed framebuffer
*
* @dev_priv: Pointer to the device private structure.
* @framebuffer: Pointer to the surface-buffer backed framebuffer.
* @clips: Array of clip rects. Either @clips or @vclips must be NULL.
* @vclips: Alternate array of clip rects. Either @clips or @vclips must
* be NULL.
* @srf: Pointer to surface to blit from. If NULL, the surface attached
* to @framebuffer will be used.
* @dest_x: X coordinate offset to align @srf with framebuffer coordinates.
* @dest_y: Y coordinate offset to align @srf with framebuffer coordinates.
* @num_clips: Number of clip rects in @clips.
* @inc: Increment to use when looping over @clips.
* @out_fence: If non-NULL, will return a ref-counted pointer to a
* struct vmw_fence_obj. The returned fence pointer may be NULL in which
* case the device has already synchronized.
*
* Returns 0 on success, negative error code on failure. -ERESTARTSYS if
* interrupted.
*/
int vmw_kms_sou_do_surface_dirty(struct vmw_private *dev_priv,
struct vmw_framebuffer *framebuffer,
struct drm_clip_rect *clips,
struct drm_vmw_rect *vclips,
struct vmw_resource *srf,
s32 dest_x,
s32 dest_y,
unsigned num_clips, int inc,
struct vmw_fence_obj **out_fence)
{
struct vmw_framebuffer_surface *vfbs =
container_of(framebuffer, typeof(*vfbs), base);
struct vmw_kms_sou_surface_dirty sdirty;
int ret;
if (!srf)
srf = &vfbs->surface->res;
ret = vmw_kms_helper_resource_prepare(srf, true);
if (ret)
return ret;
sdirty.base.fifo_commit = vmw_sou_surface_fifo_commit;
sdirty.base.clip = vmw_sou_surface_clip;
sdirty.base.dev_priv = dev_priv;
sdirty.base.fifo_reserve_size = sizeof(struct vmw_kms_sou_dirty_cmd) +
sizeof(SVGASignedRect) * num_clips;
sdirty.sid = srf->id;
sdirty.left = sdirty.top = S32_MAX;
sdirty.right = sdirty.bottom = S32_MIN;
sdirty.dst_x = dest_x;
sdirty.dst_y = dest_y;
ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, vclips,
dest_x, dest_y, num_clips, inc,
&sdirty.base);
vmw_kms_helper_resource_finish(srf, out_fence);
return ret;
}
int vmw_kms_sou_do_dmabuf_dirty(struct drm_file *file_priv,
struct vmw_private *dev_priv,
/**
* vmw_sou_dmabuf_fifo_commit - Callback to submit a set of readback clips.
*
* @dirty: The closure structure.
*
* Commits a previously built command buffer of readback clips.
*/
static void vmw_sou_dmabuf_fifo_commit(struct vmw_kms_dirty *dirty)
{
vmw_fifo_commit(dirty->dev_priv,
sizeof(struct vmw_kms_sou_dmabuf_blit) *
dirty->num_hits);
}
/**
* vmw_sou_dmabuf_clip - Callback to encode a readback cliprect.
*
* @dirty: The closure structure
*
* Encodes a BLIT_GMRFB_TO_SCREEN cliprect.
*/
static void vmw_sou_dmabuf_clip(struct vmw_kms_dirty *dirty)
{
struct vmw_kms_sou_dmabuf_blit *blit = dirty->cmd;
blit += dirty->num_hits;
blit->header = SVGA_CMD_BLIT_GMRFB_TO_SCREEN;
blit->body.destScreenId = dirty->unit->unit;
blit->body.srcOrigin.x = dirty->fb_x;
blit->body.srcOrigin.y = dirty->fb_y;
blit->body.destRect.left = dirty->unit_x1;
blit->body.destRect.top = dirty->unit_y1;
blit->body.destRect.right = dirty->unit_x2;
blit->body.destRect.bottom = dirty->unit_y2;
dirty->num_hits++;
}
/**
* vmw_kms_do_dmabuf_dirty - Dirty part of a dma-buffer backed framebuffer
*
* @dev_priv: Pointer to the device private structure.
* @framebuffer: Pointer to the dma-buffer backed framebuffer.
* @clips: Array of clip rects.
* @num_clips: Number of clip rects in @clips.
* @increment: Increment to use when looping over @clips.
* @interruptible: Whether to perform waits interruptible if possible.
* @out_fence: If non-NULL, will return a ref-counted pointer to a
* struct vmw_fence_obj. The returned fence pointer may be NULL in which
* case the device has already synchronized.
*
* Returns 0 on success, negative error code on failure. -ERESTARTSYS if
* interrupted.
*/
int vmw_kms_sou_do_dmabuf_dirty(struct vmw_private *dev_priv,
struct vmw_framebuffer *framebuffer,
unsigned flags, unsigned color,
struct drm_clip_rect *clips,
unsigned num_clips, int increment,
bool interruptible,
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 vmw_dma_buffer *buf =
container_of(framebuffer, struct vmw_framebuffer_dmabuf,
base)->buffer;
struct vmw_kms_dirty dirty;
int ret;
struct {
uint32_t header;
SVGAFifoCmdBlitGMRFBToScreen body;
} *blits;
ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, interruptible,
false);
if (ret)
return ret;
ret = do_dmabuf_define_gmrfb(file_priv, dev_priv, framebuffer);
ret = do_dmabuf_define_gmrfb(dev_priv, framebuffer);
if (unlikely(ret != 0))
return ret; /* define_gmrfb prints warnings */
goto out_revert;
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;
}
dirty.fifo_commit = vmw_sou_dmabuf_fifo_commit;
dirty.clip = vmw_sou_dmabuf_clip;
dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_dmabuf_blit) *
num_clips;
ret = vmw_kms_helper_dirty(dev_priv, framebuffer, clips, NULL,
0, 0, num_clips, increment, &dirty);
vmw_kms_helper_buffer_finish(dev_priv, NULL, buf, out_fence, NULL);
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);
}
return ret;
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, 0, NULL, out_fence);
if (unlikely(ret != 0))
break;
}
kfree(blits);
out_revert:
vmw_kms_helper_buffer_revert(buf);
return ret;
}
/**
* vmw_sou_readback_fifo_commit - Callback to submit a set of readback clips.
*
* @dirty: The closure structure.
*
* Commits a previously built command buffer of readback clips.
*/
static void vmw_sou_readback_fifo_commit(struct vmw_kms_dirty *dirty)
{
vmw_fifo_commit(dirty->dev_priv,
sizeof(struct vmw_kms_sou_readback_blit) *
dirty->num_hits);
}
/**
* vmw_sou_readback_clip - Callback to encode a readback cliprect.
*
* @dirty: The closure structure
*
* Encodes a BLIT_SCREEN_TO_GMRFB cliprect.
*/
static void vmw_sou_readback_clip(struct vmw_kms_dirty *dirty)
{
struct vmw_kms_sou_readback_blit *blit = dirty->cmd;
blit += dirty->num_hits;
blit->header = SVGA_CMD_BLIT_SCREEN_TO_GMRFB;
blit->body.srcScreenId = dirty->unit->unit;
blit->body.destOrigin.x = dirty->fb_x;
blit->body.destOrigin.y = dirty->fb_y;
blit->body.srcRect.left = dirty->unit_x1;
blit->body.srcRect.top = dirty->unit_y1;
blit->body.srcRect.right = dirty->unit_x2;
blit->body.srcRect.bottom = dirty->unit_y2;
dirty->num_hits++;
}
/**
* vmw_kms_sou_readback - Perform a readback from the screen object system to
* a 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_sou_readback(struct vmw_private *dev_priv,
struct drm_file *file_priv,
struct vmw_framebuffer *vfb,
struct drm_vmw_fence_rep __user *user_fence_rep,
struct drm_vmw_rect *vclips,
uint32_t num_clips)
{
struct vmw_dma_buffer *buf =
container_of(vfb, struct vmw_framebuffer_dmabuf, base)->buffer;
struct vmw_kms_dirty dirty;
int ret;
ret = vmw_kms_helper_buffer_prepare(dev_priv, buf, true, false);
if (ret)
return ret;
ret = do_dmabuf_define_gmrfb(dev_priv, vfb);
if (unlikely(ret != 0))
goto out_revert;
dirty.fifo_commit = vmw_sou_readback_fifo_commit;
dirty.clip = vmw_sou_readback_clip;
dirty.fifo_reserve_size = sizeof(struct vmw_kms_sou_readback_blit) *
num_clips;
ret = vmw_kms_helper_dirty(dev_priv, vfb, NULL, vclips,
0, 0, num_clips, 1, &dirty);
vmw_kms_helper_buffer_finish(dev_priv, file_priv, buf, NULL,
user_fence_rep);
return ret;
out_revert:
vmw_kms_helper_buffer_revert(buf);
return ret;
}