On 30/03/16 17:41, Lionel Landwerlin wrote:
On 30/03/16 16:16, Maarten Lankhorst wrote:
Without this a vblank may occur between updating color management
and planes, which should be prevented.
intel_color_set_csc was called in update pipe config because the
handover from hardware may not have any csc set, which resulted
in a black screen. Because of this also update color management
during fastset.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Tested-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 25 ++++++++++---------------
1 file changed, 10 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index 4f913e5febf1..179461b45ce3 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3222,9 +3222,6 @@ static void intel_update_pipe_config(struct
intel_crtc *crtc,
old_crtc_state->pipe_src_w, old_crtc_state->pipe_src_h,
pipe_config->pipe_src_w, pipe_config->pipe_src_h);
- if (HAS_DDI(dev))
- intel_color_set_csc(&pipe_config->base);
-
/*
* Update pipe size and adjust fitter if needed: the reason for
this is
* that in compute_mode_changes we check the native mode (not
the pfit
@@ -13603,18 +13600,6 @@ static int intel_atomic_commit(struct
drm_device *dev,
dev_priv->display.crtc_enable(crtc);
}
- if (!modeset &&
- crtc->state->active &&
- crtc->state->color_mgmt_changed) {
- /*
- * Only update color management when not doing
- * a modeset as this will be done by
- * crtc_enable already.
- */
- intel_color_set_csc(crtc->state);
- intel_color_load_luts(crtc->state);
- }
-
if (!modeset)
intel_pre_plane_update(to_intel_crtc_state(old_crtc_state));
@@ -13933,6 +13918,16 @@ static void intel_begin_crtc_commit(struct
drm_crtc *crtc,
if (modeset)
return;
+ if (crtc->state->color_mgmt_changed ||
to_intel_crtc_state(crtc->state)->update_pipe) {
+ /*
+ * Only update color management when not doing
+ * a modeset as this will be done by
+ * crtc_enable already.
+ */
I guess we can drop this comment.
+ intel_color_set_csc(crtc->state);
+ intel_color_load_luts(crtc->state);
+ }
+
if (to_intel_crtc_state(crtc->state)->update_pipe)
intel_update_pipe_config(intel_crtc, old_intel_state);
else if (INTEL_INFO(dev)->gen >= 9)
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