This is required to let fbc updates run async. It has a lot of
checks whether certain locks are taken, which can be removed when
the relevant states are passed in as pointers.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 8 +++++---
drivers/gpu/drm/i915/intel_drv.h | 8 ++++++--
drivers/gpu/drm/i915/intel_fbc.c | 39 +++++++++++++++++-------------------
3 files changed, 29 insertions(+), 26 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index db8c6d905007..15ab4a6f1556 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4589,7 +4589,7 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state)
struct intel_plane_state *old_primary_state =
to_intel_plane_state(old_pri_state);
- intel_fbc_pre_update(crtc);
+ intel_fbc_pre_update(crtc, pipe_config, primary_state);
if (old_primary_state->visible &&
(modeset || !primary_state->visible))
@@ -11169,7 +11169,9 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
if (obj->base.dma_buf)
work->old_plane_state[0]->base.fence = intel_get_excl_fence(obj);
- intel_fbc_pre_update(intel_crtc);
+ intel_fbc_pre_update(intel_crtc,
+ to_intel_crtc_state(new_crtc_state),
+ to_intel_plane_state(new_state));
schedule_work(&work->mmio_work);
@@ -13128,7 +13130,7 @@ static int intel_atomic_commit(struct drm_device *dev,
if (crtc->state->active &&
drm_atomic_get_existing_plane_state(state, crtc->primary))
- intel_fbc_enable(intel_crtc);
+ intel_fbc_enable(intel_crtc, pipe_config, to_intel_plane_state(crtc->primary->state));
if (crtc->state->active &&
(crtc->state->planes_changed || update_pipe))
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 11dae90b7168..b2900d659dff 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1418,11 +1418,15 @@ static inline void intel_fbdev_restore_mode(struct drm_device *dev)
void intel_fbc_choose_crtc(struct drm_i915_private *dev_priv,
struct drm_atomic_state *state);
bool intel_fbc_is_active(struct drm_i915_private *dev_priv);
-void intel_fbc_pre_update(struct intel_crtc *crtc);
+void intel_fbc_pre_update(struct intel_crtc *crtc,
+ struct intel_crtc_state *crtc_state,
+ struct intel_plane_state *plane_state);
void intel_fbc_post_update(struct intel_crtc *crtc);
void intel_fbc_init(struct drm_i915_private *dev_priv);
void intel_fbc_init_pipe_state(struct drm_i915_private *dev_priv);
-void intel_fbc_enable(struct intel_crtc *crtc);
+void intel_fbc_enable(struct intel_crtc *crtc,
+ struct intel_crtc_state *crtc_state,
+ struct intel_plane_state *plane_state);
void intel_fbc_disable(struct intel_crtc *crtc);
void intel_fbc_global_disable(struct drm_i915_private *dev_priv);
void intel_fbc_invalidate(struct drm_i915_private *dev_priv,
diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
index 0dea5fbcd8aa..d2b0269b2fe4 100644
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -480,10 +480,10 @@ static void intel_fbc_deactivate(struct drm_i915_private *dev_priv)
intel_fbc_hw_deactivate(dev_priv);
}
-static bool multiple_pipes_ok(struct intel_crtc *crtc)
+static bool multiple_pipes_ok(struct intel_crtc *crtc,
+ struct intel_plane_state *plane_state)
{
- struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
- struct drm_plane *primary = crtc->base.primary;
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
struct intel_fbc *fbc = &dev_priv->fbc;
enum pipe pipe = crtc->pipe;
@@ -491,9 +491,7 @@ static bool multiple_pipes_ok(struct intel_crtc *crtc)
if (!no_fbc_on_multiple_pipes(dev_priv))
return true;
- WARN_ON(!drm_modeset_is_locked(&primary->mutex));
-
- if (to_intel_plane_state(primary->state)->visible)
+ if (plane_state->visible)
fbc->visible_pipes_mask |= (1 << pipe);
else
fbc->visible_pipes_mask &= ~(1 << pipe);
@@ -708,21 +706,16 @@ static bool intel_fbc_hw_tracking_covers_screen(struct intel_crtc *crtc)
return effective_w <= max_w && effective_h <= max_h;
}
-static void intel_fbc_update_state_cache(struct intel_crtc *crtc)
+static void intel_fbc_update_state_cache(struct intel_crtc *crtc,
+ struct intel_crtc_state *crtc_state,
+ struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
struct intel_fbc *fbc = &dev_priv->fbc;
struct intel_fbc_state_cache *cache = &fbc->state_cache;
- struct intel_crtc_state *crtc_state =
- to_intel_crtc_state(crtc->base.state);
- struct intel_plane_state *plane_state =
- to_intel_plane_state(crtc->base.primary->state);
struct drm_framebuffer *fb = plane_state->base.fb;
struct drm_i915_gem_object *obj;
- WARN_ON(!drm_modeset_is_locked(&crtc->base.mutex));
- WARN_ON(!drm_modeset_is_locked(&crtc->base.primary->mutex));
-
cache->crtc.mode_flags = crtc_state->base.adjusted_mode.flags;
if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
cache->crtc.hsw_bdw_pixel_rate =
@@ -887,7 +880,9 @@ static bool intel_fbc_reg_params_equal(struct intel_fbc_reg_params *params1,
return memcmp(params1, params2, sizeof(*params1)) == 0;
}
-void intel_fbc_pre_update(struct intel_crtc *crtc)
+void intel_fbc_pre_update(struct intel_crtc *crtc,
+ struct intel_crtc_state *crtc_state,
+ struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
struct intel_fbc *fbc = &dev_priv->fbc;
@@ -897,7 +892,7 @@ void intel_fbc_pre_update(struct intel_crtc *crtc)
mutex_lock(&fbc->lock);
- if (!multiple_pipes_ok(crtc)) {
+ if (!multiple_pipes_ok(crtc, plane_state)) {
fbc->no_fbc_reason = "more than one pipe active";
goto deactivate;
}
@@ -905,7 +900,7 @@ void intel_fbc_pre_update(struct intel_crtc *crtc)
if (!fbc->enabled || fbc->crtc != crtc)
goto unlock;
- intel_fbc_update_state_cache(crtc);
+ intel_fbc_update_state_cache(crtc, crtc_state, plane_state);
deactivate:
intel_fbc_deactivate(dev_priv);
@@ -1089,7 +1084,9 @@ out:
* intel_fbc_enable multiple times for the same pipe without an
* intel_fbc_disable in the middle, as long as it is deactivated.
*/
-void intel_fbc_enable(struct intel_crtc *crtc)
+void intel_fbc_enable(struct intel_crtc *crtc,
+ struct intel_crtc_state *crtc_state,
+ struct intel_plane_state *plane_state)
{
struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
struct intel_fbc *fbc = &dev_priv->fbc;
@@ -1102,19 +1099,19 @@ void intel_fbc_enable(struct intel_crtc *crtc)
if (fbc->enabled) {
WARN_ON(fbc->crtc == NULL);
if (fbc->crtc == crtc) {
- WARN_ON(!crtc->config->enable_fbc);
+ WARN_ON(!crtc_state->enable_fbc);
WARN_ON(fbc->active);
}
goto out;
}
- if (!crtc->config->enable_fbc)
+ if (!crtc_state->enable_fbc)
goto out;
WARN_ON(fbc->active);
WARN_ON(fbc->crtc != NULL);
- intel_fbc_update_state_cache(crtc);
+ intel_fbc_update_state_cache(crtc, crtc_state, plane_state);
if (intel_fbc_alloc_cfb(crtc)) {
fbc->no_fbc_reason = "not enough stolen memory";
goto out;
--
2.5.5
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