[PATCH 02/18] drm/i915: Add atomic set property interface for CRTC

[Shashank Sharma]

From: Kausal Malladi <kausalmalladi at gmail.com>

This patch adds atomic set property interface for Intel CRTC. This
interface will be used for set operation on any DRM properties.

Signed-off-by: Shashank Sharma <shashank.sharma at intel.com>
Signed-off-by: Kausal Malladi <kausalmalladi at gmail.com>
---
 drivers/gpu/drm/i915/intel_atomic.c  | 9 +++++++++
 drivers/gpu/drm/i915/intel_display.c | 2 ++
 drivers/gpu/drm/i915/intel_drv.h     | 4 ++++
 3 files changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
index e2531cf..922fecf 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -318,3 +318,12 @@ void intel_atomic_state_clear(struct drm_atomic_state *s)
 	drm_atomic_state_default_clear(&state->base);
 	state->dpll_set = false;
 }
+
+int intel_crtc_atomic_set_property(struct drm_crtc *crtc,
+				   struct drm_crtc_state *state,
+				   struct drm_property *property,
+				   uint64_t val)
+{
+	DRM_DEBUG_KMS("Unknown crtc property '%s'\n", property->name);
+	return -EINVAL;
+}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 43b0f17..1fbf0ff 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13351,6 +13351,8 @@ static const struct drm_crtc_funcs intel_crtc_funcs = {
 	.set_config = drm_atomic_helper_set_config,
 	.destroy = intel_crtc_destroy,
 	.page_flip = intel_crtc_page_flip,
+	.set_property = drm_atomic_helper_crtc_set_property,
+	.atomic_set_property = intel_crtc_atomic_set_property,
 	.atomic_duplicate_state = intel_crtc_duplicate_state,
 	.atomic_destroy_state = intel_crtc_destroy_state,
 };
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 320c9e6..c0ae529 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -1422,6 +1422,10 @@ intel_atomic_get_crtc_state(struct drm_atomic_state *state,
 int intel_atomic_setup_scalers(struct drm_device *dev,
 	struct intel_crtc *intel_crtc,
 	struct intel_crtc_state *crtc_state);
+int intel_crtc_atomic_set_property(struct drm_crtc *plane,
+				   struct drm_crtc_state *state,
+				   struct drm_property *property,
+				   uint64_t val);
 
 /* intel_atomic_plane.c */
 struct intel_plane_state *intel_create_plane_state(struct drm_plane *plane);
-- 
1.9.1