drm/i915: Remove unnecessary check for unsupported modifiers for NV12

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

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index fca72ce0b3b34269212243c7a91f941d802f2315..ce7646265b503eb34b33b393d6fe70a910a022f3 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -14478,11 +14478,6 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
                }
                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",