/* if there is a pending flip, these will be non-null: */
struct drm_pending_vblank_event *event;
- struct msm_fence_cb pageflip_cb;
#define PENDING_CURSOR 0x1
#define PENDING_FLIP 0x2
atomic_t pending;
- /* the fb that we logically (from PoV of KMS API) hold a ref
- * to. Which we may not yet be scanning out (we may still
- * be scanning out previous in case of page_flip while waiting
- * for gpu rendering to complete:
- */
- struct drm_framebuffer *fb;
-
- /* the fb that we currently hold a scanout ref to: */
- struct drm_framebuffer *scanout_fb;
-
- /* for unref'ing framebuffers after scanout completes: */
- struct drm_flip_work unref_fb_work;
-
/* for unref'ing cursor bo's after scanout completes: */
struct drm_flip_work unref_cursor_work;
mdp4_write(mdp4_kms, REG_MDP4_OVERLAY_FLUSH, flush);
}
-static void update_fb(struct drm_crtc *crtc, struct drm_framebuffer *new_fb)
-{
- struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc);
- struct drm_framebuffer *old_fb = mdp4_crtc->fb;
-
- /* grab reference to incoming scanout fb: */
- drm_framebuffer_reference(new_fb);
- mdp4_crtc->base.primary->fb = new_fb;
- mdp4_crtc->fb = new_fb;
-
- if (old_fb)
- drm_flip_work_queue(&mdp4_crtc->unref_fb_work, old_fb);
-}
-
-/* unlike update_fb(), take a ref to the new scanout fb *before* updating
- * plane, then call this. Needed to ensure we don't unref the buffer that
- * is actually still being scanned out.
- *
- * Note that this whole thing goes away with atomic.. since we can defer
- * calling into driver until rendering is done.
- */
-static void update_scanout(struct drm_crtc *crtc, struct drm_framebuffer *fb)
-{
- struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc);
-
- /* flush updates, to make sure hw is updated to new scanout fb,
- * so that we can safely queue unref to current fb (ie. next
- * vblank we know hw is done w/ previous scanout_fb).
- */
- crtc_flush(crtc);
-
- if (mdp4_crtc->scanout_fb)
- drm_flip_work_queue(&mdp4_crtc->unref_fb_work,
- mdp4_crtc->scanout_fb);
-
- mdp4_crtc->scanout_fb = fb;
-
- /* enable vblank to complete flip: */
- request_pending(crtc, PENDING_FLIP);
-}
-
/* if file!=NULL, this is preclose potential cancel-flip path */
static void complete_flip(struct drm_crtc *crtc, struct drm_file *file)
{
*/
if (!file || (event->base.file_priv == file)) {
mdp4_crtc->event = NULL;
+ DBG("%s: send event: %p", mdp4_crtc->name, event);
drm_send_vblank_event(dev, mdp4_crtc->id, event);
}
}
spin_unlock_irqrestore(&dev->event_lock, flags);
}
-static void pageflip_cb(struct msm_fence_cb *cb)
-{
- struct mdp4_crtc *mdp4_crtc =
- container_of(cb, struct mdp4_crtc, pageflip_cb);
- struct drm_crtc *crtc = &mdp4_crtc->base;
- struct drm_framebuffer *fb = crtc->primary->fb;
-
- if (!fb)
- return;
-
- drm_framebuffer_reference(fb);
- mdp4_plane_set_scanout(crtc->primary, fb);
- update_scanout(crtc, fb);
-}
-
-static void unref_fb_worker(struct drm_flip_work *work, void *val)
-{
- struct mdp4_crtc *mdp4_crtc =
- container_of(work, struct mdp4_crtc, unref_fb_work);
- struct drm_device *dev = mdp4_crtc->base.dev;
-
- mutex_lock(&dev->mode_config.mutex);
- drm_framebuffer_unreference(val);
- mutex_unlock(&dev->mode_config.mutex);
-}
-
static void unref_cursor_worker(struct drm_flip_work *work, void *val)
{
struct mdp4_crtc *mdp4_crtc =
struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc);
drm_crtc_cleanup(crtc);
- drm_flip_work_cleanup(&mdp4_crtc->unref_fb_work);
drm_flip_work_cleanup(&mdp4_crtc->unref_cursor_work);
kfree(mdp4_crtc);
mdp4_write(mdp4_kms, REG_MDP4_LAYERMIXER_IN_CFG, mixer_cfg);
}
-static int mdp4_crtc_mode_set(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode,
- int x, int y,
- struct drm_framebuffer *old_fb)
+static void mdp4_crtc_mode_set_nofb(struct drm_crtc *crtc)
{
struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc);
struct mdp4_kms *mdp4_kms = get_kms(crtc);
enum mdp4_dma dma = mdp4_crtc->dma;
- int ret, ovlp = mdp4_crtc->ovlp;
+ int ovlp = mdp4_crtc->ovlp;
+ struct drm_display_mode *mode;
+
+ if (WARN_ON(!crtc->state))
+ return;
- mode = adjusted_mode;
+ mode = &crtc->state->adjusted_mode;
DBG("%s: set mode: %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x",
mdp4_crtc->name, mode->base.id, mode->name,
mode->vsync_end, mode->vtotal,
mode->type, mode->flags);
- /* grab extra ref for update_scanout() */
- drm_framebuffer_reference(crtc->primary->fb);
-
- ret = mdp4_plane_mode_set(crtc->primary, crtc, crtc->primary->fb,
- 0, 0, mode->hdisplay, mode->vdisplay,
- x << 16, y << 16,
- mode->hdisplay << 16, mode->vdisplay << 16);
- if (ret) {
- drm_framebuffer_unreference(crtc->primary->fb);
- dev_err(crtc->dev->dev, "%s: failed to set mode on plane: %d\n",
- mdp4_crtc->name, ret);
- return ret;
- }
-
mdp4_write(mdp4_kms, REG_MDP4_DMA_SRC_SIZE(dma),
MDP4_DMA_SRC_SIZE_WIDTH(mode->hdisplay) |
MDP4_DMA_SRC_SIZE_HEIGHT(mode->vdisplay));
mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(1), 0x00ff0000);
mdp4_write(mdp4_kms, REG_MDP4_DMA_E_QUANT(2), 0x00ff0000);
}
-
- update_fb(crtc, crtc->primary->fb);
- update_scanout(crtc, crtc->primary->fb);
-
- return 0;
}
static void mdp4_crtc_prepare(struct drm_crtc *crtc)
drm_crtc_vblank_put(crtc);
}
-static int mdp4_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
- struct drm_framebuffer *old_fb)
+static void mdp4_crtc_load_lut(struct drm_crtc *crtc)
+{
+}
+
+static int mdp4_crtc_atomic_check(struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
{
- struct drm_plane *plane = crtc->primary;
- struct drm_display_mode *mode = &crtc->mode;
- int ret;
+ struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc);
+ struct drm_device *dev = crtc->dev;
- /* grab extra ref for update_scanout() */
- drm_framebuffer_reference(crtc->primary->fb);
+ DBG("%s: check", mdp4_crtc->name);
- ret = mdp4_plane_mode_set(plane, crtc, crtc->primary->fb,
- 0, 0, mode->hdisplay, mode->vdisplay,
- x << 16, y << 16,
- mode->hdisplay << 16, mode->vdisplay << 16);
- if (ret) {
- drm_framebuffer_unreference(crtc->primary->fb);
- return ret;
+ if (mdp4_crtc->event) {
+ dev_err(dev->dev, "already pending flip!\n");
+ return -EBUSY;
}
- update_fb(crtc, crtc->primary->fb);
- update_scanout(crtc, crtc->primary->fb);
+ // TODO anything else to check?
return 0;
}
-static void mdp4_crtc_load_lut(struct drm_crtc *crtc)
+static void mdp4_crtc_atomic_begin(struct drm_crtc *crtc)
{
+ struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc);
+ DBG("%s: begin", mdp4_crtc->name);
}
-static int mdp4_crtc_page_flip(struct drm_crtc *crtc,
- struct drm_framebuffer *new_fb,
- struct drm_pending_vblank_event *event,
- uint32_t page_flip_flags)
+static void mdp4_crtc_atomic_flush(struct drm_crtc *crtc)
{
struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc);
struct drm_device *dev = crtc->dev;
- struct drm_gem_object *obj;
unsigned long flags;
- if (mdp4_crtc->event) {
- dev_err(dev->dev, "already pending flip!\n");
- return -EBUSY;
- }
+ DBG("%s: flush", mdp4_crtc->name);
- obj = msm_framebuffer_bo(new_fb, 0);
+ WARN_ON(mdp4_crtc->event);
spin_lock_irqsave(&dev->event_lock, flags);
- mdp4_crtc->event = event;
+ mdp4_crtc->event = crtc->state->event;
spin_unlock_irqrestore(&dev->event_lock, flags);
- update_fb(crtc, new_fb);
-
- return msm_gem_queue_inactive_cb(obj, &mdp4_crtc->pageflip_cb);
+ blend_setup(crtc);
+ crtc_flush(crtc);
+ request_pending(crtc, PENDING_FLIP);
}
static int mdp4_crtc_set_property(struct drm_crtc *crtc,
}
static const struct drm_crtc_funcs mdp4_crtc_funcs = {
- .set_config = drm_crtc_helper_set_config,
+ .set_config = drm_atomic_helper_set_config,
.destroy = mdp4_crtc_destroy,
- .page_flip = mdp4_crtc_page_flip,
+ .page_flip = drm_atomic_helper_page_flip,
.set_property = mdp4_crtc_set_property,
.cursor_set = mdp4_crtc_cursor_set,
.cursor_move = mdp4_crtc_cursor_move,
+ .reset = drm_atomic_helper_crtc_reset,
+ .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
};
static const struct drm_crtc_helper_funcs mdp4_crtc_helper_funcs = {
.dpms = mdp4_crtc_dpms,
.mode_fixup = mdp4_crtc_mode_fixup,
- .mode_set = mdp4_crtc_mode_set,
+ .mode_set_nofb = mdp4_crtc_mode_set_nofb,
+ .mode_set = drm_helper_crtc_mode_set,
+ .mode_set_base = drm_helper_crtc_mode_set_base,
.prepare = mdp4_crtc_prepare,
.commit = mdp4_crtc_commit,
- .mode_set_base = mdp4_crtc_mode_set_base,
.load_lut = mdp4_crtc_load_lut,
+ .atomic_check = mdp4_crtc_atomic_check,
+ .atomic_begin = mdp4_crtc_atomic_begin,
+ .atomic_flush = mdp4_crtc_atomic_flush,
};
static void mdp4_crtc_vblank_irq(struct mdp_irq *irq, uint32_t irqstatus)
if (pending & PENDING_FLIP) {
complete_flip(crtc, NULL);
- drm_flip_work_commit(&mdp4_crtc->unref_fb_work, priv->wq);
}
if (pending & PENDING_CURSOR) {
void mdp4_crtc_cancel_pending_flip(struct drm_crtc *crtc, struct drm_file *file)
{
- DBG("cancel: %p", file);
+ struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc);
+ DBG("%s: cancel: %p", mdp4_crtc->name, file);
complete_flip(crtc, file);
}
mdp4_write(mdp4_kms, REG_MDP4_DISP_INTF_SEL, intf_sel);
}
-static void set_attach(struct drm_crtc *crtc, enum mdp4_pipe pipe_id,
- struct drm_plane *plane)
-{
- struct mdp4_crtc *mdp4_crtc = to_mdp4_crtc(crtc);
-
- blend_setup(crtc);
- if (mdp4_crtc->enabled && (plane != crtc->primary))
- crtc_flush(crtc);
-}
-
-void mdp4_crtc_attach(struct drm_crtc *crtc, struct drm_plane *plane)
-{
- set_attach(crtc, mdp4_plane_pipe(plane), plane);
-}
-
-void mdp4_crtc_detach(struct drm_crtc *crtc, struct drm_plane *plane)
-{
- /* don't actually detatch our primary plane: */
- if (crtc->primary == plane)
- return;
- set_attach(crtc, mdp4_plane_pipe(plane), NULL);
-}
-
static const char *dma_names[] = {
"DMA_P", "DMA_S", "DMA_E",
};
spin_lock_init(&mdp4_crtc->cursor.lock);
- drm_flip_work_init(&mdp4_crtc->unref_fb_work,
- "unref fb", unref_fb_worker);
drm_flip_work_init(&mdp4_crtc->unref_cursor_work,
"unref cursor", unref_cursor_worker);
- INIT_FENCE_CB(&mdp4_crtc->pageflip_cb, pageflip_cb);
-
drm_crtc_init_with_planes(dev, crtc, plane, NULL, &mdp4_crtc_funcs);
drm_crtc_helper_add(crtc, &mdp4_crtc_helper_funcs);
plane->crtc = crtc;
};
#define to_mdp4_plane(x) container_of(x, struct mdp4_plane, base)
-static struct mdp4_kms *get_kms(struct drm_plane *plane)
-{
- struct msm_drm_private *priv = plane->dev->dev_private;
- return to_mdp4_kms(to_mdp_kms(priv->kms));
-}
-
-static int mdp4_plane_update(struct drm_plane *plane,
+static void mdp4_plane_set_scanout(struct drm_plane *plane,
+ struct drm_framebuffer *fb);
+static int mdp4_plane_mode_set(struct drm_plane *plane,
struct drm_crtc *crtc, struct drm_framebuffer *fb,
int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t src_x, uint32_t src_y,
- uint32_t src_w, uint32_t src_h)
-{
- struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
-
- mdp4_plane->enabled = true;
-
- if (plane->fb)
- drm_framebuffer_unreference(plane->fb);
-
- drm_framebuffer_reference(fb);
-
- return mdp4_plane_mode_set(plane, crtc, fb,
- crtc_x, crtc_y, crtc_w, crtc_h,
- src_x, src_y, src_w, src_h);
-}
+ uint32_t src_w, uint32_t src_h);
-static int mdp4_plane_disable(struct drm_plane *plane)
+static struct mdp4_kms *get_kms(struct drm_plane *plane)
{
- struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
- DBG("%s: disable", mdp4_plane->name);
- if (plane->crtc)
- mdp4_crtc_detach(plane->crtc, plane);
- return 0;
+ struct msm_drm_private *priv = plane->dev->dev_private;
+ return to_mdp4_kms(to_mdp_kms(priv->kms));
}
static void mdp4_plane_destroy(struct drm_plane *plane)
{
struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
- mdp4_plane_disable(plane);
+ drm_plane_helper_disable(plane);
drm_plane_cleanup(plane);
kfree(mdp4_plane);
}
static const struct drm_plane_funcs mdp4_plane_funcs = {
- .update_plane = mdp4_plane_update,
- .disable_plane = mdp4_plane_disable,
+ .update_plane = drm_atomic_helper_update_plane,
+ .disable_plane = drm_atomic_helper_disable_plane,
.destroy = mdp4_plane_destroy,
.set_property = mdp4_plane_set_property,
+ .reset = drm_atomic_helper_plane_reset,
+ .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_plane_destroy_state,
};
-void mdp4_plane_set_scanout(struct drm_plane *plane,
+static int mdp4_plane_prepare_fb(struct drm_plane *plane,
+ struct drm_framebuffer *fb)
+{
+ struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
+ struct mdp4_kms *mdp4_kms = get_kms(plane);
+
+ DBG("%s: prepare: FB[%u]", mdp4_plane->name, fb->base.id);
+ return msm_framebuffer_prepare(fb, mdp4_kms->id);
+}
+
+static void mdp4_plane_cleanup_fb(struct drm_plane *plane,
+ struct drm_framebuffer *fb)
+{
+ struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
+ struct mdp4_kms *mdp4_kms = get_kms(plane);
+
+ DBG("%s: cleanup: FB[%u]", mdp4_plane->name, fb->base.id);
+ msm_framebuffer_cleanup(fb, mdp4_kms->id);
+}
+
+
+static int mdp4_plane_atomic_check(struct drm_plane *plane,
+ struct drm_plane_state *state)
+{
+ return 0;
+}
+
+static void mdp4_plane_atomic_update(struct drm_plane *plane)
+{
+ struct drm_plane_state *state = plane->state;
+ int ret;
+
+ ret = mdp4_plane_mode_set(plane,
+ state->crtc, state->fb,
+ state->crtc_x, state->crtc_y,
+ state->crtc_w, state->crtc_h,
+ state->src_x, state->src_y,
+ state->src_w, state->src_h);
+ /* atomic_check should have ensured that this doesn't fail */
+ WARN_ON(ret < 0);
+}
+
+static const struct drm_plane_helper_funcs mdp4_plane_helper_funcs = {
+ .prepare_fb = mdp4_plane_prepare_fb,
+ .cleanup_fb = mdp4_plane_cleanup_fb,
+ .atomic_check = mdp4_plane_atomic_check,
+ .atomic_update = mdp4_plane_atomic_update,
+};
+
+static void mdp4_plane_set_scanout(struct drm_plane *plane,
struct drm_framebuffer *fb)
{
struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane);
struct mdp4_kms *mdp4_kms = get_kms(plane);
enum mdp4_pipe pipe = mdp4_plane->pipe;
- uint32_t iova;
+ uint32_t iova = msm_framebuffer_iova(fb, mdp4_kms->id, 0);
+
+ DBG("%s: set_scanout: %08x (%u)", mdp4_plane->name,
+ iova, fb->pitches[0]);
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_STRIDE_A(pipe),
MDP4_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) |
MDP4_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) |
MDP4_PIPE_SRC_STRIDE_B_P3(fb->pitches[3]));
- msm_gem_get_iova(msm_framebuffer_bo(fb, 0), mdp4_kms->id, &iova);
mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP0_BASE(pipe), iova);
plane->fb = fb;
#define MDP4_VG_PHASE_STEP_DEFAULT 0x20000000
-int mdp4_plane_mode_set(struct drm_plane *plane,
+static int mdp4_plane_mode_set(struct drm_plane *plane,
struct drm_crtc *crtc, struct drm_framebuffer *fb,
int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t phasex_step = MDP4_VG_PHASE_STEP_DEFAULT;
uint32_t phasey_step = MDP4_VG_PHASE_STEP_DEFAULT;
+ if (!(crtc && fb)) {
+ DBG("%s: disabled!", mdp4_plane->name);
+ return 0;
+ }
+
/* src values are in Q16 fixed point, convert to integer: */
src_x = src_x >> 16;
src_y = src_y >> 16;
mdp4_write(mdp4_kms, REG_MDP4_PIPE_PHASEX_STEP(pipe), phasex_step);
mdp4_write(mdp4_kms, REG_MDP4_PIPE_PHASEY_STEP(pipe), phasey_step);
- /* TODO detach from old crtc (if we had more than one) */
- mdp4_crtc_attach(crtc, plane);
-
return 0;
}
ARRAY_SIZE(mdp4_plane->formats));
type = private_plane ? DRM_PLANE_TYPE_PRIMARY : DRM_PLANE_TYPE_OVERLAY;
- drm_universal_plane_init(dev, plane, 0xff, &mdp4_plane_funcs,
- mdp4_plane->formats, mdp4_plane->nformats,
- type);
+ ret = drm_universal_plane_init(dev, plane, 0xff, &mdp4_plane_funcs,
+ mdp4_plane->formats, mdp4_plane->nformats, type);
+ if (ret)
+ goto fail;
+
+ drm_plane_helper_add(plane, &mdp4_plane_helper_funcs);
mdp4_plane_install_properties(plane, &plane->base);
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff