On Mon, Mar 27, 2017 at 03:01:04PM -0700, Sinclair Yeh wrote:
> Switch over to internal atomic API. This completes the atomic
> internal atomic switch for all the Display Units.
>
> Signed-off-by: Sinclair Yeh <s...@vmware.com>
> Signed-off-by: Thomas Hellstrom <thellst...@vmware.com>
> Reviewed-by: Thomas Hellstrom <thellst...@vmware.com>
> ---
> drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 103 ++---------------
> drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c | 217
> +++--------------------------------
> 2 files changed, 25 insertions(+), 295 deletions(-)
>
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
> b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
> index 282a0ef..4954f26 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
> @@ -95,7 +95,7 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
>
> if (crtc == NULL)
> return 0;
> - fb = entry->base.crtc.primary->fb;
> + fb = entry->base.crtc.primary->state->fb;
>
> return vmw_kms_write_svga(dev_priv, w, h, fb->pitches[0],
> fb->format->cpp[0] * 8,
> @@ -104,7 +104,7 @@ static int vmw_ldu_commit_list(struct vmw_private
> *dev_priv)
>
> if (!list_empty(&lds->active)) {
> entry = list_entry(lds->active.next, typeof(*entry), active);
> - fb = entry->base.crtc.primary->fb;
> + fb = entry->base.crtc.primary->state->fb;
>
> vmw_kms_write_svga(dev_priv, fb->width, fb->height,
> fb->pitches[0],
> fb->format->cpp[0] * 8, fb->format->depth);
> @@ -255,102 +255,13 @@ static void vmw_ldu_crtc_helper_disable(struct
> drm_crtc *crtc)
> {
> }
>
> -static int vmw_ldu_crtc_set_config(struct drm_mode_set *set)
> -{
> - struct vmw_private *dev_priv;
> - struct vmw_legacy_display_unit *ldu;
> - struct drm_connector *connector;
> - struct drm_display_mode *mode;
> - struct drm_encoder *encoder;
> - struct vmw_framebuffer *vfb;
> - struct drm_framebuffer *fb;
> - struct drm_crtc *crtc;
> -
> - if (!set)
> - return -EINVAL;
> -
> - if (!set->crtc)
> - return -EINVAL;
> -
> - /* get the ldu */
> - crtc = set->crtc;
> - ldu = vmw_crtc_to_ldu(crtc);
> - vfb = set->fb ? vmw_framebuffer_to_vfb(set->fb) : NULL;
> - dev_priv = vmw_priv(crtc->dev);
> -
> - if (set->num_connectors > 1) {
> - DRM_ERROR("to many connectors\n");
> - return -EINVAL;
> - }
> -
> - if (set->num_connectors == 1 &&
> - set->connectors[0] != &ldu->base.connector) {
> - DRM_ERROR("connector doesn't match %p %p\n",
> - set->connectors[0], &ldu->base.connector);
> - return -EINVAL;
> - }
> -
> - /* ldu only supports one fb active at the time */
> - if (dev_priv->ldu_priv->fb && vfb &&
> - !(dev_priv->ldu_priv->num_active == 1 &&
> - !list_empty(&ldu->active)) &&
> - dev_priv->ldu_priv->fb != vfb) {
> - DRM_ERROR("Multiple framebuffers not supported\n");
> - return -EINVAL;
> - }
> -
> - /* since they always map one to one these are safe */
> - connector = &ldu->base.connector;
> - encoder = &ldu->base.encoder;
> -
> - /* should we turn the crtc off? */
> - if (set->num_connectors == 0 || !set->mode || !set->fb) {
> -
> - connector->encoder = NULL;
> - encoder->crtc = NULL;
> - crtc->primary->fb = NULL;
> - crtc->enabled = false;
> -
> - vmw_ldu_del_active(dev_priv, ldu);
> -
> - return vmw_ldu_commit_list(dev_priv);
> - }
> -
> -
> - /* we now know we want to set a mode */
> - mode = set->mode;
> - fb = set->fb;
> -
> - if (set->x + mode->hdisplay > fb->width ||
> - set->y + mode->vdisplay > fb->height) {
> - DRM_ERROR("set outside of framebuffer\n");
> - return -EINVAL;
> - }
> -
> - vmw_svga_enable(dev_priv);
> -
> - crtc->primary->fb = fb;
> - encoder->crtc = crtc;
> - connector->encoder = encoder;
> - crtc->x = set->x;
> - crtc->y = set->y;
> - crtc->mode = *mode;
> - crtc->enabled = true;
> - ldu->base.set_gui_x = set->x;
> - ldu->base.set_gui_y = set->y;
> -
> - vmw_ldu_add_active(dev_priv, ldu, vfb);
> -
> - return vmw_ldu_commit_list(dev_priv);
> -}
> -
> static const struct drm_crtc_funcs vmw_legacy_crtc_funcs = {
> .gamma_set = vmw_du_crtc_gamma_set,
> .destroy = vmw_ldu_crtc_destroy,
> .reset = vmw_du_crtc_reset,
> .atomic_duplicate_state = vmw_du_crtc_duplicate_state,
> .atomic_destroy_state = vmw_du_crtc_destroy_state,
> - .set_config = vmw_ldu_crtc_set_config,
> + .set_config = vmw_kms_set_config,
> };
>
>
> @@ -439,8 +350,8 @@ vmw_ldu_primary_plane_atomic_update(struct drm_plane
> *plane,
>
>
> static const struct drm_plane_funcs vmw_ldu_plane_funcs = {
> - .update_plane = drm_primary_helper_update,
> - .disable_plane = drm_primary_helper_disable,
> + .update_plane = drm_atomic_helper_update_plane,
> + .disable_plane = drm_atomic_helper_disable_plane,
> .destroy = vmw_du_primary_plane_destroy,
> .reset = vmw_du_plane_reset,
> .atomic_duplicate_state = vmw_du_plane_duplicate_state,
> @@ -448,8 +359,8 @@ static const struct drm_plane_funcs vmw_ldu_plane_funcs =
> {
> };
>
> static const struct drm_plane_funcs vmw_ldu_cursor_funcs = {
> - .update_plane = vmw_du_cursor_plane_update,
> - .disable_plane = vmw_du_cursor_plane_disable,
> + .update_plane = drm_atomic_helper_update_plane,
> + .disable_plane = drm_atomic_helper_disable_plane,
> .destroy = vmw_du_cursor_plane_destroy,
> .reset = vmw_du_plane_reset,
> .atomic_duplicate_state = vmw_du_plane_duplicate_state,
> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
> b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
> index e4154f1..9d73f79 100644
> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
> @@ -205,52 +205,6 @@ static int vmw_sou_fifo_destroy(struct vmw_private
> *dev_priv,
> }
>
> /**
> - * Free the backing store.
> - */
> -static void vmw_sou_backing_free(struct vmw_private *dev_priv,
> - struct vmw_screen_object_unit *sou)
> -{
> - vmw_dmabuf_unreference(&sou->buffer);
> - sou->buffer_size = 0;
> -}
> -
> -/**
> - * Allocate the backing store for the buffer.
> - */
> -static int vmw_sou_backing_alloc(struct vmw_private *dev_priv,
> - struct vmw_screen_object_unit *sou,
> - unsigned long size)
> -{
> - int ret;
> -
> - if (sou->buffer_size == size)
> - return 0;
> -
> - if (sou->buffer)
> - vmw_sou_backing_free(dev_priv, sou);
> -
> - sou->buffer = kzalloc(sizeof(*sou->buffer), GFP_KERNEL);
> - if (unlikely(sou->buffer == NULL))
> - return -ENOMEM;
> -
> - /* After we have alloced the backing store might not be able to
> - * resume the overlays, this is preferred to failing to alloc.
> - */
> - vmw_overlay_pause_all(dev_priv);
> - ret = vmw_dmabuf_init(dev_priv, sou->buffer, size,
> - &vmw_vram_ne_placement,
> - false, &vmw_dmabuf_bo_free);
> - vmw_overlay_resume_all(dev_priv);
> -
> - if (unlikely(ret != 0))
> - sou->buffer = NULL; /* vmw_dmabuf_init frees on error */
> - else
> - sou->buffer_size = size;
> -
> - return ret;
> -}
> -
> -/**
> * vmw_sou_crtc_mode_set_nofb - Create new screen
> *
> * @crtc: CRTC associated with the new screen
> @@ -353,158 +307,14 @@ static void vmw_sou_crtc_helper_disable(struct
> drm_crtc *crtc)
> }
> }
>
> -static int vmw_sou_crtc_set_config(struct drm_mode_set *set)
> -{
> - struct vmw_private *dev_priv;
> - struct vmw_screen_object_unit *sou;
> - struct drm_connector *connector;
> - struct drm_display_mode *mode;
> - struct drm_encoder *encoder;
> - struct vmw_framebuffer *vfb;
> - struct drm_framebuffer *fb;
> - struct drm_crtc *crtc;
> - int ret = 0;
> -
> - if (!set)
> - return -EINVAL;
> -
> - if (!set->crtc)
> - return -EINVAL;
> -
> - /* get the sou */
> - crtc = set->crtc;
> - sou = vmw_crtc_to_sou(crtc);
> - vfb = set->fb ? vmw_framebuffer_to_vfb(set->fb) : NULL;
> - dev_priv = vmw_priv(crtc->dev);
> -
> - if (set->num_connectors > 1) {
> - DRM_ERROR("Too many connectors\n");
> - return -EINVAL;
> - }
> -
> - if (set->num_connectors == 1 &&
> - set->connectors[0] != &sou->base.connector) {
> - DRM_ERROR("Connector doesn't match %p %p\n",
> - set->connectors[0], &sou->base.connector);
> - return -EINVAL;
> - }
> -
> - /* Only one active implicit frame-buffer at a time. */
> - mutex_lock(&dev_priv->global_kms_state_mutex);
> - if (sou->base.is_implicit &&
> - dev_priv->implicit_fb && vfb &&
> - !(dev_priv->num_implicit == 1 &&
> - sou->base.active_implicit) &&
> - dev_priv->implicit_fb != vfb) {
> - mutex_unlock(&dev_priv->global_kms_state_mutex);
> - DRM_ERROR("Multiple implicit framebuffers not supported.\n");
> - return -EINVAL;
> - }
> - mutex_unlock(&dev_priv->global_kms_state_mutex);
> -
> - /* since they always map one to one these are safe */
> - connector = &sou->base.connector;
> - encoder = &sou->base.encoder;
> -
> - /* should we turn the crtc off */
> - if (set->num_connectors == 0 || !set->mode || !set->fb) {
> - ret = vmw_sou_fifo_destroy(dev_priv, sou);
> - /* the hardware has hung don't do anything more */
> - if (unlikely(ret != 0))
> - return ret;
> -
> - connector->encoder = NULL;
> - encoder->crtc = NULL;
> - crtc->primary->fb = NULL;
> - crtc->x = 0;
> - crtc->y = 0;
> - crtc->enabled = false;
> -
> - vmw_kms_del_active(dev_priv, &sou->base);
> -
> - vmw_sou_backing_free(dev_priv, sou);
> -
> - return 0;
> - }
> -
> -
> - /* we now know we want to set a mode */
> - mode = set->mode;
> - fb = set->fb;
> -
> - if (set->x + mode->hdisplay > fb->width ||
> - set->y + mode->vdisplay > fb->height) {
> - DRM_ERROR("set outside of framebuffer\n");
> - return -EINVAL;
> - }
> -
> - vmw_svga_enable(dev_priv);
> -
> - if (mode->hdisplay != crtc->mode.hdisplay ||
> - mode->vdisplay != crtc->mode.vdisplay) {
> - /* no need to check if depth is different, because backing
> - * store depth is forced to 4 by the device.
> - */
> -
> - ret = vmw_sou_fifo_destroy(dev_priv, sou);
> - /* the hardware has hung don't do anything more */
> - if (unlikely(ret != 0))
> - return ret;
> -
> - vmw_sou_backing_free(dev_priv, sou);
> - }
> -
> - if (!sou->buffer) {
> - /* forced to depth 4 by the device */
> - size_t size = mode->hdisplay * mode->vdisplay * 4;
> - ret = vmw_sou_backing_alloc(dev_priv, sou, size);
> - if (unlikely(ret != 0))
> - return ret;
> - }
> -
> - ret = vmw_sou_fifo_create(dev_priv, sou, set->x, set->y, mode);
> - if (unlikely(ret != 0)) {
> - /*
> - * We are in a bit of a situation here, the hardware has
> - * hung and we may or may not have a buffer hanging of
> - * the screen object, best thing to do is not do anything
> - * if we where defined, if not just turn the crtc of.
> - * Not what userspace wants but it needs to htfu.
> - */
> - if (sou->defined)
> - return ret;
> -
> - connector->encoder = NULL;
> - encoder->crtc = NULL;
> - crtc->primary->fb = NULL;
> - crtc->x = 0;
> - crtc->y = 0;
> - crtc->enabled = false;
> -
> - return ret;
> - }
> -
> - vmw_kms_add_active(dev_priv, &sou->base, vfb);
> -
> - connector->encoder = encoder;
> - encoder->crtc = crtc;
> - crtc->mode = *mode;
> - crtc->primary->fb = fb;
> - crtc->x = set->x;
> - crtc->y = set->y;
> - crtc->enabled = true;
> -
> - return 0;
> -}
> -
> static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc,
> - struct drm_framebuffer *fb,
> + struct drm_framebuffer *new_fb,
> struct drm_pending_vblank_event *event,
> uint32_t 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 vmw_framebuffer *vfb = vmw_framebuffer_to_vfb(new_fb);
> struct vmw_fence_obj *fence = NULL;
> struct drm_vmw_rect vclips;
> int ret;
> @@ -512,7 +322,12 @@ static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc,
> if (!vmw_kms_crtc_flippable(dev_priv, crtc))
> return -EINVAL;
>
> - crtc->primary->fb = fb;
> + flags &= ~DRM_MODE_PAGE_FLIP_ASYNC;
> + ret = drm_atomic_helper_page_flip(crtc, new_fb, NULL, flags);
> + if (ret) {
> + DRM_ERROR("Page flip error %d.\n", ret);
> + return ret;
> + }
You don't set mode_config.async_page_flip, why do you need to filter this
here?
-Daniel
>
> /* do a full screen dirty update */
> vclips.x = crtc->x;
> @@ -559,7 +374,7 @@ static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc,
> return ret;
>
> out_no_fence:
> - crtc->primary->fb = old_fb;
> + drm_atomic_set_fb_for_plane(crtc->primary->state, old_fb);
> return ret;
> }
>
> @@ -569,7 +384,7 @@ static const struct drm_crtc_funcs
> vmw_screen_object_crtc_funcs = {
> .reset = vmw_du_crtc_reset,
> .atomic_duplicate_state = vmw_du_crtc_duplicate_state,
> .atomic_destroy_state = vmw_du_crtc_destroy_state,
> - .set_config = vmw_sou_crtc_set_config,
> + .set_config = vmw_kms_set_config,
> .page_flip = vmw_sou_crtc_page_flip,
> };
>
> @@ -711,12 +526,16 @@ static void
> vmw_sou_primary_plane_atomic_update(struct drm_plane *plane,
> struct drm_plane_state *old_state)
> {
> + struct drm_crtc *crtc = plane->state->crtc;
> +
> + if (crtc)
> + crtc->primary->fb = plane->state->fb;
> }
>
>
> static const struct drm_plane_funcs vmw_sou_plane_funcs = {
> - .update_plane = drm_primary_helper_update,
> - .disable_plane = drm_primary_helper_disable,
> + .update_plane = drm_atomic_helper_update_plane,
> + .disable_plane = drm_atomic_helper_disable_plane,
> .destroy = vmw_du_primary_plane_destroy,
> .reset = vmw_du_plane_reset,
> .atomic_duplicate_state = vmw_du_plane_duplicate_state,
> @@ -724,8 +543,8 @@ static const struct drm_plane_funcs vmw_sou_plane_funcs =
> {
> };
>
> static const struct drm_plane_funcs vmw_sou_cursor_funcs = {
> - .update_plane = vmw_du_cursor_plane_update,
> - .disable_plane = vmw_du_cursor_plane_disable,
> + .update_plane = drm_atomic_helper_update_plane,
> + .disable_plane = drm_atomic_helper_disable_plane,
> .destroy = vmw_du_cursor_plane_destroy,
> .reset = vmw_du_plane_reset,
> .atomic_duplicate_state = vmw_du_plane_duplicate_state,
> --
> 2.7.4
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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