Restore page-flip support now that the atomic conversion is complete.
Since the mode parameter to vbox_crtc_set_base_and_mode() now never is NULL call drm_atomic_crtc_needs_modeset() to check if we need to check for input-mapping changes, to avoid doing unnecesarry work on a flip. And hookup the drm_atomic_helper_page_flip helper to implement the page_flip callback.
Signed-off-by: Hans de Goede hdegoede@redhat.com --- drivers/staging/vboxvideo/vbox_mode.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/vboxvideo/vbox_mode.c b/drivers/staging/vboxvideo/vbox_mode.c index 69a1e6c163b9..c4ec3fa49782 100644 --- a/drivers/staging/vboxvideo/vbox_mode.c +++ b/drivers/staging/vboxvideo/vbox_mode.c @@ -32,6 +32,7 @@ * Hans de Goede hdegoede@redhat.com */ #include <linux/export.h> +#include <drm/drm_atomic.h> #include <drm/drm_crtc_helper.h> #include <drm/drm_plane_helper.h> #include <drm/drm_atomic_helper.h> @@ -217,6 +218,7 @@ static void vbox_crtc_set_base_and_mode(struct drm_crtc *crtc, struct vbox_bo *bo = gem_to_vbox_bo(to_vbox_framebuffer(fb)->obj); struct vbox_private *vbox = crtc->dev->dev_private; struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); + bool needs_modeset = drm_atomic_crtc_needs_modeset(crtc->state);
mutex_lock(&vbox->hw_mutex);
@@ -227,7 +229,7 @@ static void vbox_crtc_set_base_and_mode(struct drm_crtc *crtc, vbox_crtc->fb_offset = vbox_bo_gpu_offset(bo);
/* vbox_do_modeset() checks vbox->single_framebuffer so update it now */ - if (mode && vbox_set_up_input_mapping(vbox)) { + if (needs_modeset && vbox_set_up_input_mapping(vbox)) { struct drm_crtc *crtci;
list_for_each_entry(crtci, &vbox->ddev.mode_config.crtc_list, @@ -241,7 +243,7 @@ static void vbox_crtc_set_base_and_mode(struct drm_crtc *crtc, vbox_set_view(crtc); vbox_do_modeset(crtc);
- if (mode) + if (needs_modeset) hgsmi_update_input_mapping(vbox->guest_pool, 0, 0, vbox->input_mapping_width, vbox->input_mapping_height); @@ -288,6 +290,7 @@ static void vbox_crtc_destroy(struct drm_crtc *crtc)
static const struct drm_crtc_funcs vbox_crtc_funcs = { .set_config = drm_atomic_helper_set_config, + .page_flip = drm_atomic_helper_page_flip, /* .gamma_set = vbox_crtc_gamma_set, */ .destroy = vbox_crtc_destroy, .reset = drm_atomic_helper_crtc_reset,