[PATCH v5 5/9] drm/i915/display: Add helper function to check if sink_format is 420

[Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>]

Add an inline helper function to check if the sink_format is set to
YCBCR420 format.

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_display_types.h | 6 ++++++
 drivers/gpu/drm/i915/display/intel_dp.c            | 4 ++--
 drivers/gpu/drm/i915/display/intel_hdmi.c          | 6 +++---
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index ae070420309d..33da22a9174c 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -2093,4 +2093,10 @@ to_intel_frontbuffer(struct drm_framebuffer *fb)
 	return fb ? to_intel_framebuffer(fb)->frontbuffer : NULL;
 }
 
+static inline bool
+intel_crtc_has_420_sink_format(const struct intel_crtc_state *crtc_state)
+{
+	return crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420;
+}
+
 #endif /*  __INTEL_DISPLAY_TYPES_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index f40584130232..b9ef59882a90 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2008,7 +2008,7 @@ intel_dp_compute_output_format(struct intel_encoder *encoder,
 	ret = intel_dp_compute_link_config(encoder, crtc_state, conn_state,
 					   respect_downstream_limits);
 	if (ret) {
-		if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 ||
+		if (intel_crtc_has_420_sink_format(crtc_state) ||
 		    !drm_mode_is_420_also(info, adjusted_mode))
 			return ret;
 
@@ -2688,7 +2688,7 @@ void intel_dp_configure_protocol_converter(struct intel_dp *intel_dp,
 		drm_dbg_kms(&i915->drm, "Failed to %s protocol converter HDMI mode\n",
 			    str_enable_disable(intel_dp->has_hdmi_sink));
 
-	if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420) {
+	if (intel_crtc_has_420_sink_format(crtc_state)) {
 		switch (crtc_state->output_format) {
 		case INTEL_OUTPUT_FORMAT_YCBCR420:
 			/*
diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index cb7dd8ebb33f..c0e602ccb021 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -2068,7 +2068,7 @@ static bool hdmi_bpc_possible(const struct intel_crtc_state *crtc_state, int bpc
 		return false;
 
 	/* Display Wa_1405510057:icl,ehl */
-	if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 &&
+	if (intel_crtc_has_420_sink_format(crtc_state) &&
 	    bpc == 10 && DISPLAY_VER(dev_priv) == 11 &&
 	    (adjusted_mode->crtc_hblank_end -
 	     adjusted_mode->crtc_hblank_start) % 8 == 2)
@@ -2228,7 +2228,7 @@ static int intel_hdmi_compute_output_format(struct intel_encoder *encoder,
 							     crtc_state->sink_format);
 	ret = intel_hdmi_compute_clock(encoder, crtc_state, respect_downstream_limits);
 	if (ret) {
-		if (crtc_state->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420 ||
+		if (intel_crtc_has_420_sink_format(crtc_state) ||
 		    !drm_mode_is_420_also(info, adjusted_mode))
 			return ret;
 
@@ -2285,7 +2285,7 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
 		return ret;
 	}
 
-	if (pipe_config->sink_format == INTEL_OUTPUT_FORMAT_YCBCR420) {
+	if (intel_crtc_has_420_sink_format(pipe_config)) {
 		ret = intel_panel_fitting(pipe_config, conn_state);
 		if (ret)
 			return ret;
-- 
2.25.1