From: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Date: Wed, 27 Jun 2018 23:18:54 -0700
Subject: drm/i915: Remove unnecessary check for unsupported modifiers for NV12
Git-commit: abdd322f680870dbe1942425d1fa2c74de4721f4
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

There is already a check to allow only RGB8888 formats with CCS
modifiers.

Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180628061854.6430-1-dhinakaran.pandiyan@intel.com

Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/i915/intel_display.c |    5 -----
 1 file changed, 5 deletions(-)

--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -14521,11 +14521,6 @@ static int intel_framebuffer_init(struct
 		}
 		break;
 	case DRM_FORMAT_NV12:
-		if (mode_cmd->modifier[0] == I915_FORMAT_MOD_Y_TILED_CCS ||
-		    mode_cmd->modifier[0] == I915_FORMAT_MOD_Yf_TILED_CCS) {
-			DRM_DEBUG_KMS("RC not to be enabled with NV12\n");
-			goto err;
-		}
 		if (INTEL_GEN(dev_priv) < 9 || IS_SKYLAKE(dev_priv) ||
 		    IS_BROXTON(dev_priv)) {
 			DRM_DEBUG_KMS("unsupported pixel format: %s\n",