[Intel-gfx] [PATCH 1/7] drm/i915/display: Introduce vfunc read_csc() to create hw ctm

[Bhanuprakash Modem <bhanuprakash.modem@intel.com>]

In this patch, a vfunc read_csc() is introduced to create a hw ctm
i.e. ctm having values read from CSC registers which will later be
used to compare with sw ctm to validate CSC coeff values.

Cc: Swati Sharma <swati2.sharma@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
---
 drivers/gpu/drm/i915/display/intel_color.c | 3 +++
 drivers/gpu/drm/i915/i915_drv.h            | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
index ff7dcb7088bf..17bb08e9cf64 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -1209,6 +1209,9 @@ void intel_color_get_config(struct intel_crtc_state *crtc_state)
 
 	if (dev_priv->display.read_luts)
 		dev_priv->display.read_luts(crtc_state);
+
+	if (dev_priv->display.read_csc)
+		dev_priv->display.read_csc(crtc_state);
 }
 
 static bool need_plane_update(struct intel_plane *plane,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 214fe10eb092..a8b55aca5fc4 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -327,6 +327,7 @@ struct drm_i915_display_funcs {
 	 */
 	void (*load_luts)(const struct intel_crtc_state *crtc_state);
 	void (*read_luts)(struct intel_crtc_state *crtc_state);
+	void (*read_csc)(struct intel_crtc_state *crtc_state);
 };
 
 struct intel_csr {
-- 
2.20.1

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