drm/i915/display: Make WARN* drm specific where encoder ptr is available

Drm specific drm_WARN* calls include device information in the
backtrace, so we know what device the warnings originate from.

Covert all the calls of WARN* with device specific drm_WARN*
variants in functions where intel_encoder struct pointer is available.

The conversion was done automatically with below coccinelle semantic
patch.

@@
identifier func, T;
@@
func(...) {
...
struct intel_encoder *T = ...;
<...
(
-WARN(
+drm_WARN(T->base.dev,
...)
|
-WARN_ON(
+drm_WARN_ON(T->base.dev,
...)
|
-WARN_ONCE(
+drm_WARN_ONCE(T->base.dev,
...)
|
-WARN_ON_ONCE(
+drm_WARN_ON_ONCE(T->base.dev,
...)
)
...>

}

@@
identifier func, T;
@@
func(struct intel_encoder *T,...) {
<...
(
-WARN(
+drm_WARN(T->base.dev,
...)
|
-WARN_ON(
+drm_WARN_ON(T->base.dev,
...)
|
-WARN_ONCE(
+drm_WARN_ONCE(T->base.dev,
...)
|
-WARN_ON_ONCE(
+drm_WARN_ON_ONCE(T->base.dev,
...)
)
...>

}

command: spatch --sp-file <script> --dir drivers/gpu/drm/i915/display \
					--linux-spacing --in-place
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/20200115034455.17658-5-pankaj.laxminarayan.bharadiya@intel.com

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

@@ -1694,7 +1694,8 @@ static void skl_ddi_clock_get(struct intel_encoder *encoder,
 			link_clock = 270000;
 			break;
 		default:
-			WARN(1, "Unsupported link rate\n");
+			drm_WARN(encoder->base.dev, 1,
+				 "Unsupported link rate\n");
 			break;
 		}
 		link_clock *= 2;
@@ -4677,7 +4678,8 @@ intel_ddi_hotplug(struct intel_encoder *encoder,
 
 	drm_modeset_drop_locks(&ctx);
 	drm_modeset_acquire_fini(&ctx);
-	WARN(ret, "Acquiring modeset locks failed with %i\n", ret);
+	drm_WARN(encoder->base.dev, ret,
+		 "Acquiring modeset locks failed with %i\n", ret);
 
 	/*
 	 * Unpowered type-c dongles can take some time to boot and be

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

@@ -5723,8 +5723,9 @@ intel_get_crtc_new_encoder(const struct intel_atomic_state *state,
 		num_encoders++;
 	}
 
-	WARN(num_encoders != 1, "%d encoders for pipe %c\n",
-	     num_encoders, pipe_name(crtc->pipe));
+	drm_WARN(encoder->base.dev, num_encoders != 1,
+		 "%d encoders for pipe %c\n",
+		 num_encoders, pipe_name(crtc->pipe));
 
 	return encoder;
 }

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

@@ -2209,7 +2209,7 @@ intel_dp_compute_link_config(struct intel_encoder *encoder,
 						    intel_dp->max_link_rate);
 
 	/* No common link rates between source and sink */
-	WARN_ON(common_len <= 0);
+	drm_WARN_ON(encoder->base.dev, common_len <= 0);
 
 	limits.min_clock = 0;
 	limits.max_clock = common_len - 1;
@@ -5193,7 +5193,8 @@ intel_dp_hotplug(struct intel_encoder *encoder,
 
 	drm_modeset_drop_locks(&ctx);
 	drm_modeset_acquire_fini(&ctx);
-	WARN(ret, "Acquiring modeset locks failed with %i\n", ret);
+	drm_WARN(encoder->base.dev, ret,
+		 "Acquiring modeset locks failed with %i\n", ret);
 
 	/*
 	 * Keeping it consistent with intel_ddi_hotplug() and

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

@@ -655,12 +655,12 @@ static void intel_write_infoframe(struct intel_encoder *encoder,
 	     intel_hdmi_infoframe_enable(type)) == 0)
 		return;
 
-	if (WARN_ON(frame->any.type != type))
+	if (drm_WARN_ON(encoder->base.dev, frame->any.type != type))
 		return;
 
 	/* see comment above for the reason for this offset */
 	len = hdmi_infoframe_pack_only(frame, buffer + 1, sizeof(buffer) - 1);
-	if (WARN_ON(len < 0))
+	if (drm_WARN_ON(encoder->base.dev, len < 0))
 		return;
 
 	/* Insert the 'hole' (see big comment above) at position 3 */
@@ -734,8 +734,8 @@ intel_hdmi_compute_avi_infoframe(struct intel_encoder *encoder,
 	drm_hdmi_avi_infoframe_colorspace(frame, conn_state);
 
 	/* nonsense combination */
-	WARN_ON(crtc_state->limited_color_range &&
-		crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB);
+	drm_WARN_ON(encoder->base.dev, crtc_state->limited_color_range &&
+		    crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB);
 
 	if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_RGB) {
 		drm_hdmi_avi_infoframe_quant_range(frame, connector,
@@ -753,7 +753,7 @@ intel_hdmi_compute_avi_infoframe(struct intel_encoder *encoder,
 	/* TODO: handle pixel repetition for YCBCR420 outputs */
 
 	ret = hdmi_avi_infoframe_check(frame);
-	if (WARN_ON(ret))
+	if (drm_WARN_ON(encoder->base.dev, ret))
 		return false;
 
 	return true;
@@ -774,13 +774,13 @@ intel_hdmi_compute_spd_infoframe(struct intel_encoder *encoder,
 		intel_hdmi_infoframe_enable(HDMI_INFOFRAME_TYPE_SPD);
 
 	ret = hdmi_spd_infoframe_init(frame, "Intel", "Integrated gfx");
-	if (WARN_ON(ret))
+	if (drm_WARN_ON(encoder->base.dev, ret))
 		return false;
 
 	frame->sdi = HDMI_SPD_SDI_PC;
 
 	ret = hdmi_spd_infoframe_check(frame);
-	if (WARN_ON(ret))
+	if (drm_WARN_ON(encoder->base.dev, ret))
 		return false;
 
 	return true;
@@ -806,11 +806,11 @@ intel_hdmi_compute_hdmi_infoframe(struct intel_encoder *encoder,
 	ret = drm_hdmi_vendor_infoframe_from_display_mode(frame,
 							  conn_state->connector,
 							  &crtc_state->hw.adjusted_mode);
-	if (WARN_ON(ret))
+	if (drm_WARN_ON(encoder->base.dev, ret))
 		return false;
 
 	ret = hdmi_vendor_infoframe_check(frame);
-	if (WARN_ON(ret))
+	if (drm_WARN_ON(encoder->base.dev, ret))
 		return false;
 
 	return true;
@@ -1863,7 +1863,7 @@ static void intel_enable_hdmi_audio(struct intel_encoder *encoder,
 {
 	struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc);
 
-	WARN_ON(!pipe_config->has_hdmi_sink);
+	drm_WARN_ON(encoder->base.dev, !pipe_config->has_hdmi_sink);
 	DRM_DEBUG_DRIVER("Enabling HDMI audio on pipe %c\n",
 			 pipe_name(crtc->pipe));
 	intel_audio_codec_enable(encoder, pipe_config, conn_state);