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Diffstat (limited to 'drivers/gpu/drm/vc4')
-rw-r--r--drivers/gpu/drm/vc4/vc4_crtc.c44
-rw-r--r--drivers/gpu/drm/vc4/vc4_dpi.c13
-rw-r--r--drivers/gpu/drm/vc4/vc4_drv.h1
-rw-r--r--drivers/gpu/drm/vc4/vc4_dsi.c20
-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.c2
-rw-r--r--drivers/gpu/drm/vc4/vc4_kms.c78
-rw-r--r--drivers/gpu/drm/vc4/vc4_plane.c17
7 files changed, 87 insertions, 88 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index 403bbd5f99a9..9e0c1500375c 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -479,7 +479,8 @@ static void require_hvs_enabled(struct drm_device *dev)
SCALER_DISPCTRL_ENABLE);
}
-static void vc4_crtc_disable(struct drm_crtc *crtc)
+static void vc4_crtc_atomic_disable(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
{
struct drm_device *dev = crtc->dev;
struct vc4_dev *vc4 = to_vc4_dev(dev);
@@ -518,9 +519,23 @@ static void vc4_crtc_disable(struct drm_crtc *crtc)
WARN_ON_ONCE((HVS_READ(SCALER_DISPSTATX(chan)) &
(SCALER_DISPSTATX_FULL | SCALER_DISPSTATX_EMPTY)) !=
SCALER_DISPSTATX_EMPTY);
+
+ /*
+ * Make sure we issue a vblank event after disabling the CRTC if
+ * someone was waiting it.
+ */
+ if (crtc->state->event) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&dev->event_lock, flags);
+ drm_crtc_send_vblank_event(crtc, crtc->state->event);
+ crtc->state->event = NULL;
+ spin_unlock_irqrestore(&dev->event_lock, flags);
+ }
}
-static void vc4_crtc_enable(struct drm_crtc *crtc)
+static void vc4_crtc_atomic_enable(struct drm_crtc *crtc,
+ struct drm_crtc_state *old_state)
{
struct drm_device *dev = crtc->dev;
struct vc4_dev *vc4 = to_vc4_dev(dev);
@@ -546,18 +561,17 @@ static void vc4_crtc_enable(struct drm_crtc *crtc)
drm_crtc_vblank_on(crtc);
}
-static bool vc4_crtc_mode_fixup(struct drm_crtc *crtc,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
+static enum drm_mode_status vc4_crtc_mode_valid(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode)
{
/* Do not allow doublescan modes from user space */
- if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) {
+ if (mode->flags & DRM_MODE_FLAG_DBLSCAN) {
DRM_DEBUG_KMS("[CRTC:%d] Doublescan mode rejected.\n",
crtc->base.id);
- return false;
+ return MODE_NO_DBLESCAN;
}
- return true;
+ return MODE_OK;
}
static int vc4_crtc_atomic_check(struct drm_crtc *crtc,
@@ -662,14 +676,6 @@ static void vc4_disable_vblank(struct drm_crtc *crtc)
CRTC_WRITE(PV_INTEN, 0);
}
-/* Must be called with the event lock held */
-bool vc4_event_pending(struct drm_crtc *crtc)
-{
- struct vc4_crtc *vc4_crtc = to_vc4_crtc(crtc);
-
- return !!vc4_crtc->event;
-}
-
static void vc4_crtc_handle_page_flip(struct vc4_crtc *vc4_crtc)
{
struct drm_crtc *crtc = &vc4_crtc->base;
@@ -865,11 +871,11 @@ static const struct drm_crtc_funcs vc4_crtc_funcs = {
static const struct drm_crtc_helper_funcs vc4_crtc_helper_funcs = {
.mode_set_nofb = vc4_crtc_mode_set_nofb,
- .disable = vc4_crtc_disable,
- .enable = vc4_crtc_enable,
- .mode_fixup = vc4_crtc_mode_fixup,
+ .mode_valid = vc4_crtc_mode_valid,
.atomic_check = vc4_crtc_atomic_check,
.atomic_flush = vc4_crtc_atomic_flush,
+ .atomic_enable = vc4_crtc_atomic_enable,
+ .atomic_disable = vc4_crtc_atomic_disable,
};
static const struct vc4_crtc_data pv0_data = {
diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c
index 2e0fe46aeb2e..519cefef800d 100644
--- a/drivers/gpu/drm/vc4/vc4_dpi.c
+++ b/drivers/gpu/drm/vc4/vc4_dpi.c
@@ -224,20 +224,19 @@ static void vc4_dpi_encoder_enable(struct drm_encoder *encoder)
DRM_ERROR("Failed to set clock rate: %d\n", ret);
}
-static bool vc4_dpi_encoder_mode_fixup(struct drm_encoder *encoder,
- const struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
+static enum drm_mode_status vc4_dpi_encoder_mode_valid(struct drm_encoder *encoder,
+ const struct drm_display_mode *mode)
{
- if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
- return false;
+ if (mode->flags & DRM_MODE_FLAG_INTERLACE)
+ return MODE_NO_INTERLACE;
- return true;
+ return MODE_OK;
}
static const struct drm_encoder_helper_funcs vc4_dpi_encoder_helper_funcs = {
.disable = vc4_dpi_encoder_disable,
.enable = vc4_dpi_encoder_enable,
- .mode_fixup = vc4_dpi_encoder_mode_fixup,
+ .mode_valid = vc4_dpi_encoder_mode_valid,
};
static const struct of_device_id vc4_dpi_dt_match[] = {
diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
index df22698d62ee..1047953216a8 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -491,7 +491,6 @@ int vc4_bo_stats_debugfs(struct seq_file *m, void *arg);
/* vc4_crtc.c */
extern struct platform_driver vc4_crtc_driver;
-bool vc4_event_pending(struct drm_crtc *crtc);
int vc4_crtc_debugfs_regs(struct seq_file *m, void *arg);
bool vc4_crtc_get_scanoutpos(struct drm_device *dev, unsigned int crtc_id,
bool in_vblank_irq, int *vpos, int *hpos,
diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c
index 5e8b81eaa168..629d372633e6 100644
--- a/drivers/gpu/drm/vc4/vc4_dsi.c
+++ b/drivers/gpu/drm/vc4/vc4_dsi.c
@@ -736,18 +736,18 @@ static void vc4_dsi_latch_ulps(struct vc4_dsi *dsi, bool latch)
/* Enters or exits Ultra Low Power State. */
static void vc4_dsi_ulps(struct vc4_dsi *dsi, bool ulps)
{
- bool continuous = dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS;
- u32 phyc_ulps = ((continuous ? DSI_PORT_BIT(PHYC_CLANE_ULPS) : 0) |
+ bool non_continuous = dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS;
+ u32 phyc_ulps = ((non_continuous ? DSI_PORT_BIT(PHYC_CLANE_ULPS) : 0) |
DSI_PHYC_DLANE0_ULPS |
(dsi->lanes > 1 ? DSI_PHYC_DLANE1_ULPS : 0) |
(dsi->lanes > 2 ? DSI_PHYC_DLANE2_ULPS : 0) |
(dsi->lanes > 3 ? DSI_PHYC_DLANE3_ULPS : 0));
- u32 stat_ulps = ((continuous ? DSI1_STAT_PHY_CLOCK_ULPS : 0) |
+ u32 stat_ulps = ((non_continuous ? DSI1_STAT_PHY_CLOCK_ULPS : 0) |
DSI1_STAT_PHY_D0_ULPS |
(dsi->lanes > 1 ? DSI1_STAT_PHY_D1_ULPS : 0) |
(dsi->lanes > 2 ? DSI1_STAT_PHY_D2_ULPS : 0) |
(dsi->lanes > 3 ? DSI1_STAT_PHY_D3_ULPS : 0));
- u32 stat_stop = ((continuous ? DSI1_STAT_PHY_CLOCK_STOP : 0) |
+ u32 stat_stop = ((non_continuous ? DSI1_STAT_PHY_CLOCK_STOP : 0) |
DSI1_STAT_PHY_D0_STOP |
(dsi->lanes > 1 ? DSI1_STAT_PHY_D1_STOP : 0) |
(dsi->lanes > 2 ? DSI1_STAT_PHY_D2_STOP : 0) |
@@ -1035,7 +1035,17 @@ static void vc4_dsi_encoder_enable(struct drm_encoder *encoder)
DSI_HS_DLT4_TRAIL) |
VC4_SET_FIELD(0, DSI_HS_DLT4_ANLAT));
- DSI_PORT_WRITE(HS_DLT5, VC4_SET_FIELD(dsi_hs_timing(ui_ns, 1000, 5000),
+ /* T_INIT is how long STOP is driven after power-up to
+ * indicate to the slave (also coming out of power-up) that
+ * master init is complete, and should be greater than the
+ * maximum of two value: T_INIT,MASTER and T_INIT,SLAVE. The
+ * D-PHY spec gives a minimum 100us for T_INIT,MASTER and
+ * T_INIT,SLAVE, while allowing protocols on top of it to give
+ * greater minimums. The vc4 firmware uses an extremely
+ * conservative 5ms, and we maintain that here.
+ */
+ DSI_PORT_WRITE(HS_DLT5, VC4_SET_FIELD(dsi_hs_timing(ui_ns,
+ 5 * 1000 * 1000, 0),
DSI_HS_DLT5_INIT));
DSI_PORT_WRITE(HS_DLT6,
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index ed63d4e85762..406d6d83b6c6 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -395,7 +395,7 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder)
union hdmi_infoframe frame;
int ret;
- ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, mode);
+ ret = drm_hdmi_avi_infoframe_from_display_mode(&frame.avi, mode, false);
if (ret < 0) {
DRM_ERROR("couldn't fill AVI infoframe\n");
return;
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c
index bc6ecdc6f104..aeec6e8703d2 100644
--- a/drivers/gpu/drm/vc4/vc4_kms.c
+++ b/drivers/gpu/drm/vc4/vc4_kms.c
@@ -29,16 +29,9 @@ static void vc4_output_poll_changed(struct drm_device *dev)
drm_fbdev_cma_hotplug_event(vc4->fbdev);
}
-struct vc4_commit {
- struct drm_device *dev;
- struct drm_atomic_state *state;
- struct vc4_seqno_cb cb;
-};
-
static void
-vc4_atomic_complete_commit(struct vc4_commit *c)
+vc4_atomic_complete_commit(struct drm_atomic_state *state)
{
- struct drm_atomic_state *state = c->state;
struct drm_device *dev = state->dev;
struct vc4_dev *vc4 = to_vc4_dev(dev);
@@ -72,28 +65,14 @@ vc4_atomic_complete_commit(struct vc4_commit *c)
drm_atomic_state_put(state);
up(&vc4->async_modeset);
-
- kfree(c);
}
-static void
-vc4_atomic_complete_commit_seqno_cb(struct vc4_seqno_cb *cb)
+static void commit_work(struct work_struct *work)
{
- struct vc4_commit *c = container_of(cb, struct vc4_commit, cb);
-
- vc4_atomic_complete_commit(c);
-}
-
-static struct vc4_commit *commit_init(struct drm_atomic_state *state)
-{
- struct vc4_commit *c = kzalloc(sizeof(*c), GFP_KERNEL);
-
- if (!c)
- return NULL;
- c->dev = state->dev;
- c->state = state;
-
- return c;
+ struct drm_atomic_state *state = container_of(work,
+ struct drm_atomic_state,
+ commit_work);
+ vc4_atomic_complete_commit(state);
}
/**
@@ -115,40 +94,29 @@ static int vc4_atomic_commit(struct drm_device *dev,
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
int ret;
- int i;
- uint64_t wait_seqno = 0;
- struct vc4_commit *c;
- struct drm_plane *plane;
- struct drm_plane_state *new_state;
-
- c = commit_init(state);
- if (!c)
- return -ENOMEM;
ret = drm_atomic_helper_setup_commit(state, nonblock);
if (ret)
return ret;
+ INIT_WORK(&state->commit_work, commit_work);
+
ret = down_interruptible(&vc4->async_modeset);
- if (ret) {
- kfree(c);
+ if (ret)
return ret;
- }
ret = drm_atomic_helper_prepare_planes(dev, state);
if (ret) {
- kfree(c);
up(&vc4->async_modeset);
return ret;
}
- for_each_plane_in_state(state, plane, new_state, i) {
- if ((plane->state->fb != new_state->fb) && new_state->fb) {
- struct drm_gem_cma_object *cma_bo =
- drm_fb_cma_get_gem_obj(new_state->fb, 0);
- struct vc4_bo *bo = to_vc4_bo(&cma_bo->base);
-
- wait_seqno = max(bo->seqno, wait_seqno);
+ if (!nonblock) {
+ ret = drm_atomic_helper_wait_for_fences(dev, state, true);
+ if (ret) {
+ drm_atomic_helper_cleanup_planes(dev, state);
+ up(&vc4->async_modeset);
+ return ret;
}
}
@@ -158,7 +126,7 @@ static int vc4_atomic_commit(struct drm_device *dev,
* the software side now.
*/
- drm_atomic_helper_swap_state(state, true);
+ BUG_ON(drm_atomic_helper_swap_state(state, false) < 0);
/*
* Everything below can be run asynchronously without the need to grab
@@ -177,13 +145,10 @@ static int vc4_atomic_commit(struct drm_device *dev,
*/
drm_atomic_state_get(state);
- if (nonblock) {
- vc4_queue_seqno_cb(dev, &c->cb, wait_seqno,
- vc4_atomic_complete_commit_seqno_cb);
- } else {
- vc4_wait_for_seqno(dev, wait_seqno, ~0ull, false);
- vc4_atomic_complete_commit(c);
- }
+ if (nonblock)
+ queue_work(system_unbound_wq, &state->commit_work);
+ else
+ vc4_atomic_complete_commit(state);
return 0;
}
@@ -241,6 +206,9 @@ int vc4_kms_load(struct drm_device *dev)
sema_init(&vc4->async_modeset, 1);
+ /* Set support for vblank irq fast disable, before drm_vblank_init() */
+ dev->vblank_disable_immediate = true;
+
ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
if (ret < 0) {
dev_err(dev->dev, "failed to initialize vblank\n");
diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c
index fa6809d8b0fe..8853e9a4f005 100644
--- a/drivers/gpu/drm/vc4/vc4_plane.c
+++ b/drivers/gpu/drm/vc4/vc4_plane.c
@@ -759,9 +759,26 @@ void vc4_plane_async_set_fb(struct drm_plane *plane, struct drm_framebuffer *fb)
vc4_state->dlist[vc4_state->ptr0_offset] = addr;
}
+static int vc4_prepare_fb(struct drm_plane *plane,
+ struct drm_plane_state *state)
+{
+ struct vc4_bo *bo;
+ struct dma_fence *fence;
+
+ if ((plane->state->fb == state->fb) || !state->fb)
+ return 0;
+
+ bo = to_vc4_bo(&drm_fb_cma_get_gem_obj(state->fb, 0)->base);
+ fence = reservation_object_get_excl_rcu(bo->resv);
+ drm_atomic_set_fence_for_plane(state, fence);
+
+ return 0;
+}
+
static const struct drm_plane_helper_funcs vc4_plane_helper_funcs = {
.atomic_check = vc4_plane_atomic_check,
.atomic_update = vc4_plane_atomic_update,
+ .prepare_fb = vc4_prepare_fb,
};
static void vc4_plane_destroy(struct drm_plane *plane)
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-09 07:02:28 +0300