Using the new interface implement STDU plane update for surface backed
fb.
v2: Rebase to new resource validation.
Signed-off-by: Deepak Rawat <drawat@xxxxxxxxxx>
---
drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c | 182 ++++++++++++++++++++++++++-
1 file changed, 181 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index e086565c1da6..7d5e080f8e29 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -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
@@ -1257,7 +1261,183 @@ vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
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);
+ while (drm_atomic_helper_damage_iter_next(&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_stud_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_stud_surface_populate_update;
+
+ return vmw_du_helper_plane_update(&srf_update);
+}
/**
* vmw_stdu_primary_plane_atomic_update - formally switches STDU to new plane
--
2.17.1
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