drm/i915: Preparations for enabling P010, P012, P016 formats

Preparations for enabling P010, P012 and P016 formats. These
formats will extend NV12 for larger bit depths.

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Signed-off-by: Swati Sharma <swati2.sharma@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1551700595-21481-3-git-send-email-swati2.sharma@intel.com
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 54307f1..14ac318 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3970,7 +3970,7 @@ skl_ddb_get_hw_plane_state(struct drm_i915_private *dev_priv,
 		val = I915_READ(PLANE_BUF_CFG(pipe, plane_id));
 		val2 = I915_READ(PLANE_NV12_BUF_CFG(pipe, plane_id));
 
-		if (fourcc == DRM_FORMAT_NV12)
+		if (is_planar_yuv_format(fourcc))
 			swap(val, val2);
 
 		skl_ddb_entry_init_from_hw(dev_priv, ddb_y, val);
@@ -4180,7 +4180,7 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate,
 
 	if (intel_plane->id == PLANE_CURSOR)
 		return 0;
-	if (plane == 1 && format != DRM_FORMAT_NV12)
+	if (plane == 1 && !is_planar_yuv_format(format))
 		return 0;
 
 	/*
@@ -4192,7 +4192,7 @@ skl_plane_relative_data_rate(const struct intel_crtc_state *cstate,
 	height = drm_rect_height(&intel_pstate->base.src) >> 16;
 
 	/* UV plane does 1/2 pixel sub-sampling */
-	if (plane == 1 && format == DRM_FORMAT_NV12) {
+	if (plane == 1 && is_planar_yuv_format(format)) {
 		width /= 2;
 		height /= 2;
 	}
@@ -4578,9 +4578,9 @@ skl_compute_plane_wm_params(const struct intel_crtc_state *cstate,
 	const struct drm_framebuffer *fb = pstate->fb;
 	u32 interm_pbpl;
 
-	/* only NV12 format has two planes */
-	if (color_plane == 1 && fb->format->format != DRM_FORMAT_NV12) {
-		DRM_DEBUG_KMS("Non NV12 format have single plane\n");
+	/* only planar format has two planes */
+	if (color_plane == 1 && !is_planar_yuv_format(fb->format->format)) {
+		DRM_DEBUG_KMS("Non planar format have single plane\n");
 		return -EINVAL;
 	}
 
@@ -4591,7 +4591,7 @@ skl_compute_plane_wm_params(const struct intel_crtc_state *cstate,
 	wp->x_tiled = fb->modifier == I915_FORMAT_MOD_X_TILED;
 	wp->rc_surface = fb->modifier == I915_FORMAT_MOD_Y_TILED_CCS ||
 			 fb->modifier == I915_FORMAT_MOD_Yf_TILED_CCS;
-	wp->is_planar = fb->format->format == DRM_FORMAT_NV12;
+	wp->is_planar = is_planar_yuv_format(fb->format->format);
 
 	if (plane->id == PLANE_CURSOR) {
 		wp->width = intel_pstate->base.crtc_w;