[PATCH 11/16] drm/i915: Update format_is_yuv() to include NV12

[Vidya Srinivas <vidya.srinivas@intel.com>]

From: Chandra Konduru <chandra.konduru@intel.com>

This patch adds NV12 to format_is_yuv() function
for sprite planes.

v2:
-Use intel_ prefix for format_is_yuv (Ville)

v3: Rebased (me)

v4: Rebased and addressed review comments from Clinton A Taylor.
"static function in intel_sprite.c is not available
to the primary plane functions".
Changed commit message - function modified for
sprite planes.

v5: Missed the Tested-by/Reviewed-by in the previous series
Adding the same to commit message in this version.

v6: Rebased (me)

v7: Rebased (me)

v8: Rebased (me)

v9: Rebased (me)

v10: Changed intel_format_is_yuv function from
static to non-static. We need to use it later from
other files for check.

Tested-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Clinton Taylor <clinton.a.taylor@intel.com>
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Chandra Konduru <chandra.konduru@intel.com>
Signed-off-by: Nabendu Maiti <nabendu.bikash.maiti@intel.com>
Signed-off-by: Vidya Srinivas <vidya.srinivas@intel.com>
---
 drivers/gpu/drm/i915/intel_drv.h    | 1 +
 drivers/gpu/drm/i915/intel_sprite.c | 8 ++++----
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index d2f58cc..e64483b 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -2039,6 +2039,7 @@ void skl_disable_plane(struct intel_plane *plane, struct intel_crtc *crtc);
 bool skl_plane_get_hw_state(struct intel_plane *plane);
 bool skl_plane_has_ccs(struct drm_i915_private *dev_priv,
 		       enum pipe pipe, enum plane_id plane_id);
+bool intel_format_is_yuv(uint32_t format);
 
 /* intel_tv.c */
 void intel_tv_init(struct drm_i915_private *dev_priv);
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index e098e4b..2c51d8a 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -41,14 +41,14 @@
 #include <drm/i915_drm.h>
 #include "i915_drv.h"
 
-static bool
-format_is_yuv(uint32_t format)
+bool intel_format_is_yuv(uint32_t format)
 {
 	switch (format) {
 	case DRM_FORMAT_YUYV:
 	case DRM_FORMAT_UYVY:
 	case DRM_FORMAT_VYUY:
 	case DRM_FORMAT_YVYU:
+	case DRM_FORMAT_NV12:
 		return true;
 	default:
 		return false;
@@ -352,7 +352,7 @@ chv_update_csc(struct intel_plane *plane, uint32_t format)
 	enum plane_id plane_id = plane->id;
 
 	/* Seems RGB data bypasses the CSC always */
-	if (!format_is_yuv(format))
+	if (!intel_format_is_yuv(format))
 		return;
 
 	/*
@@ -979,7 +979,7 @@ intel_check_sprite_plane(struct intel_plane *plane,
 		src_y = src->y1 >> 16;
 		src_h = drm_rect_height(src) >> 16;
 
-		if (format_is_yuv(fb->format->format)) {
+		if (intel_format_is_yuv(fb->format->format)) {
 			src_x &= ~1;
 			src_w &= ~1;
 
-- 
2.7.4

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