#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_atomic.h>
+#include <drm/drm_atomic_helper.h>
#include "exynos_drm_crtc.h"
#include "exynos_drm_drv.h"
-#include "exynos_drm_encoder.h"
#include "exynos_drm_plane.h"
-static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
+static void exynos_drm_crtc_enable(struct drm_crtc *crtc)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
- DRM_DEBUG_KMS("crtc[%d] mode[%d]\n", crtc->base.id, mode);
+ if (exynos_crtc->ops->enable)
+ exynos_crtc->ops->enable(exynos_crtc);
- if (exynos_crtc->dpms == mode) {
- DRM_DEBUG_KMS("desired dpms mode is same as previous one.\n");
- return;
- }
-
- if (mode > DRM_MODE_DPMS_ON) {
- /* wait for the completion of page flip. */
- if (!wait_event_timeout(exynos_crtc->pending_flip_queue,
- (exynos_crtc->event == NULL), HZ/20))
- exynos_crtc->event = NULL;
- drm_crtc_vblank_off(crtc);
- }
-
- if (exynos_crtc->ops->dpms)
- exynos_crtc->ops->dpms(exynos_crtc, mode);
-
- exynos_crtc->dpms = mode;
-
- if (mode == DRM_MODE_DPMS_ON)
- drm_crtc_vblank_on(crtc);
+ drm_crtc_vblank_on(crtc);
}
-static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)
-{
- /* drm framework doesn't check NULL. */
-}
-
-static void exynos_drm_crtc_commit(struct drm_crtc *crtc)
+static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
- struct exynos_drm_plane *exynos_plane = to_exynos_plane(crtc->primary);
- exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
+ drm_crtc_vblank_off(crtc);
- if (exynos_crtc->ops->win_commit)
- exynos_crtc->ops->win_commit(exynos_crtc, exynos_plane->zpos);
-
- if (exynos_crtc->ops->commit)
- exynos_crtc->ops->commit(exynos_crtc);
+ if (exynos_crtc->ops->disable)
+ exynos_crtc->ops->disable(exynos_crtc);
}
-static bool
-exynos_drm_crtc_mode_fixup(struct drm_crtc *crtc,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
+static void
+exynos_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
- if (exynos_crtc->ops->mode_fixup)
- return exynos_crtc->ops->mode_fixup(exynos_crtc, mode,
- adjusted_mode);
-
- return true;
+ if (exynos_crtc->ops->commit)
+ exynos_crtc->ops->commit(exynos_crtc);
}
-static int
-exynos_drm_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 int exynos_crtc_atomic_check(struct drm_crtc *crtc,
+ struct drm_crtc_state *state)
{
- struct drm_framebuffer *fb = crtc->primary->fb;
- unsigned int crtc_w;
- unsigned int crtc_h;
- int ret;
-
- /*
- * copy the mode data adjusted by mode_fixup() into crtc->mode
- * so that hardware can be seet to proper mode.
- */
- memcpy(&crtc->mode, adjusted_mode, sizeof(*adjusted_mode));
+ struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
- ret = exynos_check_plane(crtc->primary, fb);
- if (ret < 0)
- return ret;
+ if (!state->enable)
+ return 0;
- crtc_w = fb->width - x;
- crtc_h = fb->height - y;
- exynos_plane_mode_set(crtc->primary, crtc, fb, 0, 0,
- crtc_w, crtc_h, x, y, crtc_w, crtc_h);
+ if (exynos_crtc->ops->atomic_check)
+ return exynos_crtc->ops->atomic_check(exynos_crtc, state);
return 0;
}
-static int exynos_drm_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
- struct drm_framebuffer *old_fb)
+static void exynos_crtc_atomic_begin(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_crtc_state)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
- struct drm_framebuffer *fb = crtc->primary->fb;
- unsigned int crtc_w;
- unsigned int crtc_h;
-
- /* when framebuffer changing is requested, crtc's dpms should be on */
- if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) {
- DRM_ERROR("failed framebuffer changing request.\n");
- return -EPERM;
- }
+ struct drm_plane *plane;
- crtc_w = fb->width - x;
- crtc_h = fb->height - y;
+ exynos_crtc->event = crtc->state->event;
- return exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
- crtc_w, crtc_h, x, y, crtc_w, crtc_h);
+ drm_atomic_crtc_for_each_plane(plane, crtc) {
+ struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
+
+ if (exynos_crtc->ops->atomic_begin)
+ exynos_crtc->ops->atomic_begin(exynos_crtc,
+ exynos_plane);
+ }
}
-static void exynos_drm_crtc_disable(struct drm_crtc *crtc)
+static void exynos_crtc_atomic_flush(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_crtc_state)
{
+ struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
struct drm_plane *plane;
- int ret;
- exynos_drm_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
+ drm_atomic_crtc_for_each_plane(plane, crtc) {
+ struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane);
- drm_for_each_legacy_plane(plane, &crtc->dev->mode_config.plane_list) {
- if (plane->crtc != crtc)
- continue;
-
- ret = plane->funcs->disable_plane(plane);
- if (ret)
- DRM_ERROR("Failed to disable plane %d\n", ret);
+ if (exynos_crtc->ops->atomic_flush)
+ exynos_crtc->ops->atomic_flush(exynos_crtc,
+ exynos_plane);
}
}
static struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = {
- .dpms = exynos_drm_crtc_dpms,
- .prepare = exynos_drm_crtc_prepare,
- .commit = exynos_drm_crtc_commit,
- .mode_fixup = exynos_drm_crtc_mode_fixup,
- .mode_set = exynos_drm_crtc_mode_set,
- .mode_set_base = exynos_drm_crtc_mode_set_base,
+ .enable = exynos_drm_crtc_enable,
.disable = exynos_drm_crtc_disable,
+ .mode_set_nofb = exynos_drm_crtc_mode_set_nofb,
+ .atomic_check = exynos_crtc_atomic_check,
+ .atomic_begin = exynos_crtc_atomic_begin,
+ .atomic_flush = exynos_crtc_atomic_flush,
};
-static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc,
- struct drm_framebuffer *fb,
- struct drm_pending_vblank_event *event,
- uint32_t page_flip_flags)
-{
- struct drm_device *dev = crtc->dev;
- struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
- struct drm_framebuffer *old_fb = crtc->primary->fb;
- unsigned int crtc_w, crtc_h;
- int ret;
-
- /* when the page flip is requested, crtc's dpms should be on */
- if (exynos_crtc->dpms > DRM_MODE_DPMS_ON) {
- DRM_ERROR("failed page flip request.\n");
- return -EINVAL;
- }
-
- if (!event)
- return -EINVAL;
-
- spin_lock_irq(&dev->event_lock);
- if (exynos_crtc->event) {
- ret = -EBUSY;
- goto out;
- }
-
- ret = drm_vblank_get(dev, exynos_crtc->pipe);
- if (ret) {
- DRM_DEBUG("failed to acquire vblank counter\n");
- goto out;
- }
-
- exynos_crtc->event = event;
- spin_unlock_irq(&dev->event_lock);
-
- /*
- * the pipe from user always is 0 so we can set pipe number
- * of current owner to event.
- */
- event->pipe = exynos_crtc->pipe;
-
- crtc->primary->fb = fb;
- crtc_w = fb->width - crtc->x;
- crtc_h = fb->height - crtc->y;
- ret = exynos_update_plane(crtc->primary, crtc, fb, 0, 0,
- crtc_w, crtc_h, crtc->x, crtc->y,
- crtc_w, crtc_h);
- if (ret) {
- crtc->primary->fb = old_fb;
- spin_lock_irq(&dev->event_lock);
- exynos_crtc->event = NULL;
- drm_vblank_put(dev, exynos_crtc->pipe);
- spin_unlock_irq(&dev->event_lock);
- return ret;
- }
-
- return 0;
-
-out:
- spin_unlock_irq(&dev->event_lock);
- return ret;
-}
-
static void exynos_drm_crtc_destroy(struct drm_crtc *crtc)
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
}
static struct drm_crtc_funcs exynos_crtc_funcs = {
- .set_config = drm_crtc_helper_set_config,
- .page_flip = exynos_drm_crtc_page_flip,
+ .set_config = drm_atomic_helper_set_config,
+ .page_flip = drm_atomic_helper_page_flip,
.destroy = exynos_drm_crtc_destroy,
+ .reset = drm_atomic_helper_crtc_reset,
+ .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
+ .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
};
struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev,
if (!exynos_crtc)
return ERR_PTR(-ENOMEM);
- init_waitqueue_head(&exynos_crtc->pending_flip_queue);
-
- exynos_crtc->dpms = DRM_MODE_DPMS_OFF;
exynos_crtc->pipe = pipe;
exynos_crtc->type = type;
exynos_crtc->ops = ops;
exynos_crtc->ctx = ctx;
+ init_waitqueue_head(&exynos_crtc->wait_update);
+
crtc = &exynos_crtc->base;
private->crtc[pipe] = crtc;
return ERR_PTR(ret);
}
-int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe)
+int exynos_drm_crtc_enable_vblank(struct drm_device *dev, unsigned int pipe)
{
struct exynos_drm_private *private = dev->dev_private;
struct exynos_drm_crtc *exynos_crtc =
to_exynos_crtc(private->crtc[pipe]);
- if (exynos_crtc->dpms != DRM_MODE_DPMS_ON)
- return -EPERM;
-
if (exynos_crtc->ops->enable_vblank)
- exynos_crtc->ops->enable_vblank(exynos_crtc);
+ return exynos_crtc->ops->enable_vblank(exynos_crtc);
return 0;
}
-void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int pipe)
+void exynos_drm_crtc_disable_vblank(struct drm_device *dev, unsigned int pipe)
{
struct exynos_drm_private *private = dev->dev_private;
struct exynos_drm_crtc *exynos_crtc =
to_exynos_crtc(private->crtc[pipe]);
- if (exynos_crtc->dpms != DRM_MODE_DPMS_ON)
- return;
-
if (exynos_crtc->ops->disable_vblank)
exynos_crtc->ops->disable_vblank(exynos_crtc);
}
-void exynos_drm_crtc_finish_pageflip(struct drm_device *dev, int pipe)
+void exynos_drm_crtc_wait_pending_update(struct exynos_drm_crtc *exynos_crtc)
{
- struct exynos_drm_private *dev_priv = dev->dev_private;
- struct drm_crtc *drm_crtc = dev_priv->crtc[pipe];
- struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(drm_crtc);
+ wait_event_timeout(exynos_crtc->wait_update,
+ (atomic_read(&exynos_crtc->pending_update) == 0),
+ msecs_to_jiffies(50));
+}
+
+void exynos_drm_crtc_finish_update(struct exynos_drm_crtc *exynos_crtc,
+ struct exynos_drm_plane *exynos_plane)
+{
+ struct drm_crtc *crtc = &exynos_crtc->base;
unsigned long flags;
- spin_lock_irqsave(&dev->event_lock, flags);
- if (exynos_crtc->event) {
+ exynos_plane->pending_fb = NULL;
- drm_send_vblank_event(dev, -1, exynos_crtc->event);
- drm_vblank_put(dev, pipe);
- wake_up(&exynos_crtc->pending_flip_queue);
+ if (atomic_dec_and_test(&exynos_crtc->pending_update))
+ wake_up(&exynos_crtc->wait_update);
- }
+ spin_lock_irqsave(&crtc->dev->event_lock, flags);
+ if (exynos_crtc->event)
+ drm_crtc_send_vblank_event(crtc, exynos_crtc->event);
exynos_crtc->event = NULL;
- spin_unlock_irqrestore(&dev->event_lock, flags);
+ spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
}
void exynos_drm_crtc_complete_scanout(struct drm_framebuffer *fb)
}
int exynos_drm_crtc_get_pipe_from_type(struct drm_device *drm_dev,
- unsigned int out_type)
+ enum exynos_drm_output_type out_type)
{
struct drm_crtc *crtc;
Code Review / kvmfornfv.git / blobdiff