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drm/vmwgfx: Implement STDU plane update for surface backed fb

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Using the new interface implement STDU plane update for surface backed
fb.

v2: Rebase to new resource validation.

Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
Deepak Rawat 2018-07-11 16:25:19 -07:00 committed by Thomas Hellstrom
parent e41774c08e
commit ad377b433b
1 changed files with 181 additions and 1 deletions
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182
drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
View file

@ -30,7 +30,7 @@
#include <drm/drm_plane_helper.h>
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_damage_helper.h>
#define vmw_crtc_to_stdu(x) \
container_of(x, struct vmw_screen_target_display_unit, base.crtc)
@ -92,6 +92,10 @@ struct vmw_stdu_surface_copy {
SVGA3dCmdSurfaceCopy body;
};
struct vmw_stdu_update_gb_image {
SVGA3dCmdHeader header;
SVGA3dCmdUpdateGBImage body;
};
/**
* struct vmw_screen_target_display_unit
@ -1256,7 +1260,183 @@ out_srf_unref:
return ret;
}
static uint32_t
vmw_stdu_surface_fifo_size_same_display(struct vmw_du_update_plane *update,
uint32_t num_hits)
{
struct vmw_framebuffer_surface *vfbs;
uint32_t size = 0;
vfbs = container_of(update->vfb, typeof(*vfbs), base);
if (vfbs->is_bo_proxy)
size += sizeof(struct vmw_stdu_update_gb_image) * num_hits;
size += sizeof(struct vmw_stdu_update);
return size;
}
static uint32_t vmw_stdu_surface_fifo_size(struct vmw_du_update_plane *update,
uint32_t num_hits)
{
struct vmw_framebuffer_surface *vfbs;
uint32_t size = 0;
vfbs = container_of(update->vfb, typeof(*vfbs), base);
if (vfbs->is_bo_proxy)
size += sizeof(struct vmw_stdu_update_gb_image) * num_hits;
size += sizeof(struct vmw_stdu_surface_copy) + sizeof(SVGA3dCopyBox) *
num_hits + sizeof(struct vmw_stdu_update);
return size;
}
static uint32_t
vmw_stdu_surface_update_proxy(struct vmw_du_update_plane *update, void *cmd)
{
struct vmw_framebuffer_surface *vfbs;
struct drm_plane_state *state = update->plane->state;
struct drm_plane_state *old_state = update->old_state;
struct vmw_stdu_update_gb_image *cmd_update = cmd;
struct drm_atomic_helper_damage_iter iter;
struct drm_rect clip;
uint32_t copy_size = 0;
vfbs = container_of(update->vfb, typeof(*vfbs), base);
/*
* proxy surface is special where a buffer object type fb is wrapped
* in a surface and need an update gb image command to sync with device.
*/
drm_atomic_helper_damage_iter_init(&iter, old_state, state);
drm_atomic_for_each_plane_damage(&iter, &clip) {
SVGA3dBox *box = &cmd_update->body.box;
cmd_update->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
cmd_update->header.size = sizeof(cmd_update->body);
cmd_update->body.image.sid = vfbs->surface->res.id;
cmd_update->body.image.face = 0;
cmd_update->body.image.mipmap = 0;
box->x = clip.x1;
box->y = clip.y1;
box->z = 0;
box->w = drm_rect_width(&clip);
box->h = drm_rect_height(&clip);
box->d = 1;
copy_size += sizeof(*cmd_update);
cmd_update++;
}
return copy_size;
}
static uint32_t
vmw_stdu_surface_populate_copy(struct vmw_du_update_plane *update, void *cmd,
uint32_t num_hits)
{
struct vmw_screen_target_display_unit *stdu;
struct vmw_framebuffer_surface *vfbs;
struct vmw_stdu_surface_copy *cmd_copy = cmd;
stdu = container_of(update->du, typeof(*stdu), base);
vfbs = container_of(update->vfb, typeof(*vfbs), base);
cmd_copy->header.id = SVGA_3D_CMD_SURFACE_COPY;
cmd_copy->header.size = sizeof(cmd_copy->body) + sizeof(SVGA3dCopyBox) *
num_hits;
cmd_copy->body.src.sid = vfbs->surface->res.id;
cmd_copy->body.dest.sid = stdu->display_srf->res.id;
return sizeof(*cmd_copy);
}
static uint32_t
vmw_stdu_surface_populate_clip(struct vmw_du_update_plane *update, void *cmd,
struct drm_rect *clip, uint32_t fb_x,
uint32_t fb_y)
{
struct SVGA3dCopyBox *box = cmd;
box->srcx = fb_x;
box->srcy = fb_y;
box->srcz = 0;
box->x = clip->x1;
box->y = clip->y1;
box->z = 0;
box->w = drm_rect_width(clip);
box->h = drm_rect_height(clip);
box->d = 1;
return sizeof(*box);
}
static uint32_t
vmw_stdu_surface_populate_update(struct vmw_du_update_plane *update, void *cmd,
struct drm_rect *bb)
{
vmw_stdu_populate_update(cmd, update->du->unit, bb->x1, bb->x2, bb->y1,
bb->y2);
return sizeof(struct vmw_stdu_update);
}
/**
* vmw_stdu_plane_update_surface - Update display unit for surface backed fb
* @dev_priv: Device private
* @plane: Plane state
* @old_state: Old plane state
* @vfb: Framebuffer which is blitted to display unit
* @out_fence: If non-NULL, will return a ref-counted pointer to vmw_fence_obj.
* The returned fence pointer may be NULL in which case the device
* has already synchronized.
*
* Return: 0 on success or a negative error code on failure.
*/
static int vmw_stdu_plane_update_surface(struct vmw_private *dev_priv,
struct drm_plane *plane,
struct drm_plane_state *old_state,
struct vmw_framebuffer *vfb,
struct vmw_fence_obj **out_fence)
{
struct vmw_du_update_plane srf_update;
struct vmw_screen_target_display_unit *stdu;
struct vmw_framebuffer_surface *vfbs;
stdu = vmw_crtc_to_stdu(plane->state->crtc);
vfbs = container_of(vfb, typeof(*vfbs), base);
memset(&srf_update, 0, sizeof(struct vmw_du_update_plane));
srf_update.plane = plane;
srf_update.old_state = old_state;
srf_update.dev_priv = dev_priv;
srf_update.du = vmw_crtc_to_du(plane->state->crtc);
srf_update.vfb = vfb;
srf_update.out_fence = out_fence;
srf_update.mutex = &dev_priv->cmdbuf_mutex;
srf_update.cpu_blit = false;
srf_update.intr = true;
if (vfbs->is_bo_proxy)
srf_update.post_prepare = vmw_stdu_surface_update_proxy;
if (vfbs->surface->res.id != stdu->display_srf->res.id) {
srf_update.calc_fifo_size = vmw_stdu_surface_fifo_size;
srf_update.pre_clip = vmw_stdu_surface_populate_copy;
srf_update.clip = vmw_stdu_surface_populate_clip;
} else {
srf_update.calc_fifo_size =
vmw_stdu_surface_fifo_size_same_display;
}
srf_update.post_clip = vmw_stdu_surface_populate_update;
return vmw_du_helper_plane_update(&srf_update);
}
/**
* vmw_stdu_primary_plane_atomic_update - formally switches STDU to new plane