From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Put the vblank timestamping constants update loop into its own
function. It has no business living inside
drm_atomic_helper_update_legacy_modeset_state() so we'll be wanting
to move it out entirely. As a first step we'll still call it
from drm_atomic_helper_update_legacy_modeset_state().
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_atomic_helper.c | 26 ++++++++++++++++++++++----
include/drm/drm_atomic_helper.h | 3 +++
2 files changed, 25 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 587052751b48..3773d74877e7 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1080,9 +1080,7 @@ disable_outputs(struct drm_device *dev, struct drm_atomic_state *old_state)
* @old_state: atomic state object with old state structures
*
* This function updates all the various legacy modeset state pointers in
- * connectors, encoders and crtcs. It also updates the timestamping constants
- * used for precise vblank timestamps by calling
- * drm_calc_timestamping_constants().
+ * connectors, encoders and crtcs.
*
* Drivers can use this for building their own atomic commit if they don't have
* a pure helper-based modeset implementation.
@@ -1151,13 +1149,33 @@ drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev,
crtc->x = new_plane_state->src_x >> 16;
crtc->y = new_plane_state->src_y >> 16;
}
+ }
+
+ drm_atomic_helper_calc_timestamping_constants(old_state);
+}
+EXPORT_SYMBOL(drm_atomic_helper_update_legacy_modeset_state);
+/**
+ * drm_atomic_helper_calc_timestamping_constants - update vblank timestamping constants
+ * @state: atomic state object
+ *
+ * Updates the timestamping constants used for precise vblank timestamps
+ * by calling drm_calc_timestamping_constants() for all enabled crtcs in @state.
+ */
+void drm_atomic_helper_calc_timestamping_constants(struct drm_atomic_state *state)
+{
+ struct drm_crtc_state *new_crtc_state;
+ struct drm_crtc *crtc;
+ int i;
+
+ /* set legacy state in the crtc structure */
+ for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
if (new_crtc_state->enable)
drm_calc_timestamping_constants(crtc,
&new_crtc_state->adjusted_mode);
}
}
-EXPORT_SYMBOL(drm_atomic_helper_update_legacy_modeset_state);
+EXPORT_SYMBOL(drm_atomic_helper_calc_timestamping_constants);
static void
crtc_set_mode(struct drm_device *dev, struct drm_atomic_state *old_state)
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
index bf4e07141d81..a60ea2cf36f0 100644
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -74,6 +74,9 @@ void
drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev,
struct drm_atomic_state *old_state);
+void
+drm_atomic_helper_calc_timestamping_constants(struct drm_atomic_state *state);
+
void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev,
struct drm_atomic_state *state);
void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
--
2.21.0
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