[PATCH v7 03/25] drm: Add color correction blobs in CRTC state

From: Shashank Sharma <shashank.sharma@intel.com>
To: dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org,
	emil.l.velikov@gmail.com, matthew.d.roper@intel.com,
	robert.bradford@intel.com, jim.bish@intel.com
Cc: annie.j.matheson@intel.com, kausalmalladi@gmail.com,
	daniel.vetter@intel.com
Subject: [PATCH v7 03/25] drm: Add color correction blobs in CRTC state
Date: Tue, 20 Oct 2015 18:04:30 +0530	[thread overview]
Message-ID: <1445344492-8296-4-git-send-email-shashank.sharma@intel.com> (raw)
In-Reply-To: <1445344492-8296-1-git-send-email-shashank.sharma@intel.com>

This patch adds new variables in CRTC state, to hold respective color
correction blobs. These blobs will be required during the atomic commit
for writing the color correction values in correction registers.

Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Kausal Malladi <kausalmalladi@gmail.com>
---
 drivers/gpu/drm/drm_atomic_helper.c | 12 ++++++++++++
 include/drm/drm_crtc.h              |  5 +++++
 2 files changed, 17 insertions(+)

diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 0c6f621..57a1bcf 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2198,6 +2198,12 @@ void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc,
 
 	if (state->mode_blob)
 		drm_property_reference_blob(state->mode_blob);
+	if (state->ctm_blob)
+		drm_property_reference_blob(state->ctm_blob);
+	if (state->palette_after_ctm_blob)
+		drm_property_reference_blob(state->palette_after_ctm_blob);
+	if (state->palette_before_ctm_blob)
+		drm_property_reference_blob(state->palette_before_ctm_blob);
 	state->mode_changed = false;
 	state->active_changed = false;
 	state->planes_changed = false;
@@ -2243,6 +2249,12 @@ void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
 {
 	if (state->mode_blob)
 		drm_property_unreference_blob(state->mode_blob);
+	if (state->ctm_blob)
+		drm_property_unreference_blob(state->ctm_blob);
+	if (state->palette_after_ctm_blob)
+		drm_property_unreference_blob(state->palette_after_ctm_blob);
+	if (state->palette_before_ctm_blob)
+		drm_property_unreference_blob(state->palette_before_ctm_blob);
 }
 EXPORT_SYMBOL(__drm_atomic_helper_crtc_destroy_state);
 
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index f58b595..cea6b3b 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -304,6 +304,11 @@ struct drm_crtc_state {
 	/* blob property to expose current mode to atomic userspace */
 	struct drm_property_blob *mode_blob;
 
+	/* blob properties to hold the color properties' blobs */
+	struct drm_property_blob *palette_before_ctm_blob;
+	struct drm_property_blob *palette_after_ctm_blob;
+	struct drm_property_blob *ctm_blob;
+
 	struct drm_pending_vblank_event *event;
 
 	struct drm_atomic_state *state;
-- 
1.9.1

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