[Intel-gfx] [PATCH v2 7/9] drm/i915: Nuke fbc members from intel_crtc->atomic, v2.
Maarten Lankhorst
maarten.lankhorst at linux.intel.com
Mon Jan 11 04:27:47 PST 2016
Factor out intel_fbc_supports_rotation and use it in
pre_plane_update as well. This leaves intel_crtc->atomic
empty, so remove it too.
Changes since v1:
- Add a intel_fbc_supports_rotation helper.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 87 +++++++++++++-----------------------
drivers/gpu/drm/i915/intel_drv.h | 18 +-------
drivers/gpu/drm/i915/intel_fbc.c | 20 +++++++--
3 files changed, 51 insertions(+), 74 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 18c3e8d8f954..c3aa1d5bd23f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4793,11 +4793,9 @@ static void intel_post_plane_update(struct intel_crtc_state *old_crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc);
struct drm_atomic_state *old_state = old_crtc_state->base.state;
- struct intel_crtc_atomic_commit *atomic = &crtc->atomic;
struct intel_crtc_state *pipe_config =
to_intel_crtc_state(crtc->base.state);
struct drm_device *dev = crtc->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_plane *primary = crtc->base.primary;
struct drm_plane_state *old_pri_state =
drm_atomic_get_existing_plane_state(old_state, primary);
@@ -4809,22 +4807,20 @@ static void intel_post_plane_update(struct intel_crtc_state *old_crtc_state)
if (pipe_config->wm_changed && pipe_config->base.active)
intel_update_watermarks(&crtc->base);
- if (atomic->update_fbc)
- intel_fbc_update(crtc);
-
if (old_pri_state) {
struct intel_plane_state *primary_state =
to_intel_plane_state(primary->state);
struct intel_plane_state *old_primary_state =
to_intel_plane_state(old_pri_state);
+ if (primary_state->visible)
+ intel_fbc_update(crtc);
+
if (primary_state->visible &&
(needs_modeset(&pipe_config->base) ||
!old_primary_state->visible))
intel_post_enable_primary(&crtc->base);
}
-
- memset(atomic, 0, sizeof(*atomic));
}
static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state)
@@ -4832,7 +4828,6 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state)
struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc);
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct intel_crtc_atomic_commit *atomic = &crtc->atomic;
struct intel_crtc_state *pipe_config =
to_intel_crtc_state(crtc->base.state);
struct drm_atomic_state *old_state = old_crtc_state->base.state;
@@ -4841,18 +4836,32 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state)
drm_atomic_get_existing_plane_state(old_state, primary);
bool modeset = needs_modeset(&pipe_config->base);
- if (atomic->disable_fbc)
- intel_fbc_deactivate(crtc);
-
if (old_pri_state) {
struct intel_plane_state *primary_state =
to_intel_plane_state(primary->state);
struct intel_plane_state *old_primary_state =
to_intel_plane_state(old_pri_state);
+ bool turn_off = old_primary_state->visible &&
+ (modeset || !primary_state->visible);
+
+ if (turn_off) {
+ intel_fbc_deactivate(crtc);
- if (old_primary_state->visible &&
- (modeset || !primary_state->visible))
intel_pre_disable_primary(&crtc->base);
+ } else if (primary_state->visible &&
+ !intel_fbc_supports_rotation(dev_priv, primary_state)) {
+ /*
+ * FBC does not work on some platforms for rotated
+ * planes, so disable it when rotation is not 0 and
+ * update it when rotation is set back to 0.
+ *
+ * FIXME: This is redundant with the fbc update done in
+ * the post plane update function except that that
+ * one is done too late.
+ */
+
+ intel_fbc_deactivate(crtc);
+ }
}
if (pipe_config->disable_cxsr) {
@@ -11926,46 +11935,17 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
if (visible || was_visible)
pipe_config->fb_bits |= to_intel_plane(plane)->frontbuffer_bit;
- switch (plane->type) {
- case DRM_PLANE_TYPE_PRIMARY:
- if (turn_off)
- intel_crtc->atomic.disable_fbc = true;
-
- /*
- * FBC does not work on some platforms for rotated
- * planes, so disable it when rotation is not 0 and
- * update it when rotation is set back to 0.
- *
- * FIXME: This is redundant with the fbc update done in
- * the primary plane enable function except that that
- * one is done too late. We eventually need to unify
- * this.
- */
-
- if (visible &&
- INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) &&
- dev_priv->fbc.crtc == intel_crtc &&
- plane_state->rotation != BIT(DRM_ROTATE_0))
- intel_crtc->atomic.disable_fbc = true;
-
- intel_crtc->atomic.update_fbc |= visible || mode_changed;
- break;
- case DRM_PLANE_TYPE_CURSOR:
- break;
- case DRM_PLANE_TYPE_OVERLAY:
- /*
- * WaCxSRDisabledForSpriteScaling:ivb
- *
- * cstate->update_wm was already set above, so this flag will
- * take effect when we commit and program watermarks.
- */
- if (IS_IVYBRIDGE(dev) &&
- needs_scaling(to_intel_plane_state(plane_state)) &&
- !needs_scaling(old_plane_state))
- pipe_config->disable_lp_wm = true;
+ /*
+ * WaCxSRDisabledForSpriteScaling:ivb
+ *
+ * cstate->update_wm was already set above, so this flag will
+ * take effect when we commit and program watermarks.
+ */
+ if (plane->type == DRM_PLANE_TYPE_OVERLAY && IS_IVYBRIDGE(dev) &&
+ needs_scaling(to_intel_plane_state(plane_state)) &&
+ !needs_scaling(old_plane_state))
+ pipe_config->disable_lp_wm = true;
- break;
- }
return 0;
}
@@ -13373,9 +13353,6 @@ static int intel_atomic_check(struct drm_device *dev,
struct intel_crtc_state *pipe_config =
to_intel_crtc_state(crtc_state);
- memset(&to_intel_crtc(crtc)->atomic, 0,
- sizeof(struct intel_crtc_atomic_commit));
-
/* Catch I915_MODE_FLAG_INHERITED */
if (crtc_state->mode.private_flags != crtc->state->mode.private_flags)
crtc_state->mode_changed = true;
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index bcab327425b4..ec89659e5d0d 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -558,20 +558,6 @@ struct intel_mmio_flip {
unsigned int rotation;
};
-/*
- * Tracking of operations that need to be performed at the beginning/end of an
- * atomic commit, outside the atomic section where interrupts are disabled.
- * These are generally operations that grab mutexes or might otherwise sleep
- * and thus can't be run with interrupts disabled.
- */
-struct intel_crtc_atomic_commit {
- /* Sleepable operations to perform before commit */
- bool disable_fbc;
-
- /* Sleepable operations to perform after commit */
- bool update_fbc;
-};
-
struct intel_crtc {
struct drm_crtc base;
enum pipe pipe;
@@ -632,8 +618,6 @@ struct intel_crtc {
int scanline_start;
} debug;
- struct intel_crtc_atomic_commit atomic;
-
/* scalers available on this crtc */
int num_scalers;
@@ -1348,6 +1332,8 @@ static inline void intel_fbdev_restore_mode(struct drm_device *dev)
/* intel_fbc.c */
bool intel_fbc_is_active(struct drm_i915_private *dev_priv);
+bool intel_fbc_supports_rotation(struct drm_i915_private *dev_priv,
+ const struct intel_plane_state *plane_state);
void intel_fbc_deactivate(struct intel_crtc *crtc);
void intel_fbc_update(struct intel_crtc *crtc);
void intel_fbc_init(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 a1988a486b92..7d123203ead6 100644
--- a/drivers/gpu/drm/i915/intel_fbc.c
+++ b/drivers/gpu/drm/i915/intel_fbc.c
@@ -733,6 +733,18 @@ static bool intel_fbc_hw_tracking_covers_screen(struct intel_crtc *crtc)
return effective_w <= max_w && effective_h <= max_h;
}
+bool intel_fbc_supports_rotation(struct drm_i915_private *dev_priv,
+ const struct intel_plane_state *plane_state)
+{
+ if (plane_state->base.rotation == BIT(DRM_ROTATE_0))
+ return true;
+
+ if (INTEL_INFO(dev_priv)->gen <= 4 && !IS_G4X(dev_priv))
+ return false;
+
+ return true;
+}
+
/**
* __intel_fbc_update - activate/deactivate FBC as needed, unlocked
* @crtc: the CRTC that triggered the update
@@ -746,6 +758,7 @@ static void __intel_fbc_update(struct intel_crtc *crtc)
struct drm_framebuffer *fb;
struct drm_i915_gem_object *obj;
const struct drm_display_mode *adjusted_mode;
+ const struct drm_plane_state *primary_state = crtc->base.primary->state;
WARN_ON(!mutex_is_locked(&dev_priv->fbc.lock));
@@ -762,7 +775,7 @@ static void __intel_fbc_update(struct intel_crtc *crtc)
goto out_disable;
}
- fb = crtc->base.primary->fb;
+ fb = primary_state->fb;
obj = intel_fb_obj(fb);
adjusted_mode = &crtc->config->base.adjusted_mode;
@@ -785,8 +798,9 @@ static void __intel_fbc_update(struct intel_crtc *crtc)
set_no_fbc_reason(dev_priv, "framebuffer not tiled or fenced");
goto out_disable;
}
- if (INTEL_INFO(dev_priv)->gen <= 4 && !IS_G4X(dev_priv) &&
- crtc->base.primary->state->rotation != BIT(DRM_ROTATE_0)) {
+
+ if (!intel_fbc_supports_rotation(dev_priv,
+ to_intel_plane_state(primary_state))) {
set_no_fbc_reason(dev_priv, "rotation unsupported");
goto out_disable;
}
--
2.1.0
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