drm/i915/display/sdvo: Prefer drm_WARN* over WARN*

struct drm_device specific drm_WARN* macros include device information
in the backtrace, so we know what device the warnings originate from.

Prefer drm_WARN* over WARN* calls.

changes since v1:
- Added dev_priv local variable and used it in drm_WARN* calls (Jani)
Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200504181600.18503-4-pankaj.laxminarayan.bharadiya@intel.com

drivers/gpu/drm/i915/display/intel_sdvo.c

@@ -411,6 +411,7 @@ static const char *sdvo_cmd_name(u8 cmd)
 static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 				   const void *args, int args_len)
 {
+	struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
 	const char *cmd_name;
 	int i, pos = 0;
 	char buffer[64];
@@ -431,7 +432,7 @@ static void intel_sdvo_debug_write(struct intel_sdvo *intel_sdvo, u8 cmd,
 	else
 		BUF_PRINT("(%02X)", cmd);
 
-	WARN_ON(pos >= sizeof(buffer) - 1);
+	drm_WARN_ON(&dev_priv->drm, pos >= sizeof(buffer) - 1);
 #undef BUF_PRINT
 
 	DRM_DEBUG_KMS("%s: W: %02X %s\n", SDVO_NAME(intel_sdvo), cmd, buffer);
@@ -533,6 +534,7 @@ static bool intel_sdvo_write_cmd(struct intel_sdvo *intel_sdvo, u8 cmd,
 static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 				     void *response, int response_len)
 {
+	struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
 	const char *cmd_status;
 	u8 retry = 15; /* 5 quick checks, followed by 10 long checks */
 	u8 status;
@@ -597,7 +599,7 @@ static bool intel_sdvo_read_response(struct intel_sdvo *intel_sdvo,
 		BUF_PRINT(" %02X", ((u8 *)response)[i]);
 	}
 
-	WARN_ON(pos >= sizeof(buffer) - 1);
+	drm_WARN_ON(&dev_priv->drm, pos >= sizeof(buffer) - 1);
 #undef BUF_PRINT
 
 	DRM_DEBUG_KMS("%s: R: %s\n", SDVO_NAME(intel_sdvo), buffer);
@@ -1081,6 +1083,7 @@ static bool intel_sdvo_compute_avi_infoframe(struct intel_sdvo *intel_sdvo,
 					     struct intel_crtc_state *crtc_state,
 					     struct drm_connector_state *conn_state)
 {
+	struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
 	struct hdmi_avi_infoframe *frame = &crtc_state->infoframes.avi.avi;
 	const struct drm_display_mode *adjusted_mode =
 		&crtc_state->hw.adjusted_mode;
@@ -1106,7 +1109,7 @@ static bool intel_sdvo_compute_avi_infoframe(struct intel_sdvo *intel_sdvo,
 					   HDMI_QUANTIZATION_RANGE_FULL);
 
 	ret = hdmi_avi_infoframe_check(frame);
-	if (WARN_ON(ret))
+	if (drm_WARN_ON(&dev_priv->drm, ret))
 		return false;
 
 	return true;
@@ -1115,6 +1118,7 @@ static bool intel_sdvo_compute_avi_infoframe(struct intel_sdvo *intel_sdvo,
 static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
 					 const struct intel_crtc_state *crtc_state)
 {
+	struct drm_i915_private *dev_priv = to_i915(intel_sdvo->base.base.dev);
 	u8 sdvo_data[HDMI_INFOFRAME_SIZE(AVI)];
 	const union hdmi_infoframe *frame = &crtc_state->infoframes.avi;
 	ssize_t len;
@@ -1123,11 +1127,12 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo,
 	     intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_AVI)) == 0)
 		return true;
 
-	if (WARN_ON(frame->any.type != HDMI_INFOFRAME_TYPE_AVI))
+	if (drm_WARN_ON(&dev_priv->drm,
+			frame->any.type != HDMI_INFOFRAME_TYPE_AVI))
 		return false;
 
 	len = hdmi_infoframe_pack_only(frame, sdvo_data, sizeof(sdvo_data));
-	if (WARN_ON(len < 0))
+	if (drm_WARN_ON(&dev_priv->drm, len < 0))
 		return false;
 
 	return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF,
@@ -1237,6 +1242,7 @@ intel_sdvo_get_preferred_input_mode(struct intel_sdvo *intel_sdvo,
 
 static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_state *pipe_config)
 {
+	struct drm_i915_private *dev_priv = to_i915(pipe_config->uapi.crtc->dev);
 	unsigned dotclock = pipe_config->port_clock;
 	struct dpll *clock = &pipe_config->dpll;
 
@@ -1257,7 +1263,8 @@ static void i9xx_adjust_sdvo_tv_clock(struct intel_crtc_state *pipe_config)
 		clock->m1 = 12;
 		clock->m2 = 8;
 	} else {
-		WARN(1, "SDVO TV clock out of range: %i\n", dotclock);
+		drm_WARN(&dev_priv->drm, 1,
+			 "SDVO TV clock out of range: %i\n", dotclock);
 	}
 
 	pipe_config->clock_set = true;
@@ -2293,7 +2300,7 @@ intel_sdvo_connector_atomic_get_property(struct drm_connector *connector,
 				return 0;
 			}
 
-		WARN_ON(1);
+		drm_WARN_ON(connector->dev, 1);
 		*val = 0;
 	} else if (property == intel_sdvo_connector->top ||
 		   property == intel_sdvo_connector->bottom)