drm/amd/display: Use pr_debug in DM to prevent dmesg flooding

[why]
Our CI enables drm.debug=0x4 logs and the dmesg is flooded with cursor
updates. We probably want to avoid spamming the log with DRM_DEBUG_KMS.

[how]
Define and use pr_debug macros instead of a few spammy DRM_DEBUG_*'s.
Signed-off-by: Victor Lu <victorchengchi.lu@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -372,14 +372,14 @@ static void dm_pflip_high_irq(void *interrupt_params)
 	/* IRQ could occur when in initial stage */
 	/* TODO work and BO cleanup */
 	if (amdgpu_crtc == NULL) {
-		DRM_DEBUG_DRIVER("CRTC is null, returning.\n");
+		DC_LOG_PFLIP("CRTC is null, returning.\n");
 		return;
 	}
 
 	spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
 
 	if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
-		DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d !=AMDGPU_FLIP_SUBMITTED(%d) on crtc:%d[%p] \n",
+		DC_LOG_PFLIP("amdgpu_crtc->pflip_status = %d !=AMDGPU_FLIP_SUBMITTED(%d) on crtc:%d[%p] \n",
 						 amdgpu_crtc->pflip_status,
 						 AMDGPU_FLIP_SUBMITTED,
 						 amdgpu_crtc->crtc_id,
@@ -450,9 +450,9 @@ static void dm_pflip_high_irq(void *interrupt_params)
 	amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
 	spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
 
-	DRM_DEBUG_KMS("crtc:%d[%p], pflip_stat:AMDGPU_FLIP_NONE, vrr[%d]-fp %d\n",
-		      amdgpu_crtc->crtc_id, amdgpu_crtc,
-		      vrr_active, (int) !e);
+	DC_LOG_PFLIP("crtc:%d[%p], pflip_stat:AMDGPU_FLIP_NONE, vrr[%d]-fp %d\n",
+		     amdgpu_crtc->crtc_id, amdgpu_crtc,
+		     vrr_active, (int) !e);
 }
 
 static void dm_vupdate_high_irq(void *interrupt_params)
@@ -482,7 +482,7 @@ static void dm_vupdate_high_irq(void *interrupt_params)
 			atomic64_set(&irq_params->previous_timestamp, vblank->time);
 		}
 
-		DRM_DEBUG_VBL("crtc:%d, vupdate-vrr:%d\n",
+		DC_LOG_VBLANK("crtc:%d, vupdate-vrr:%d\n",
 			      acrtc->crtc_id,
 			      vrr_active);
 
@@ -535,7 +535,7 @@ static void dm_crtc_high_irq(void *interrupt_params)
 
 	vrr_active = amdgpu_dm_vrr_active_irq(acrtc);
 
-	DRM_DEBUG_VBL("crtc:%d, vupdate-vrr:%d, planes:%d\n", acrtc->crtc_id,
+	DC_LOG_VBLANK("crtc:%d, vupdate-vrr:%d, planes:%d\n", acrtc->crtc_id,
 		      vrr_active, acrtc->dm_irq_params.active_planes);
 
 	/**
@@ -7905,7 +7905,7 @@ static void handle_cursor_update(struct drm_plane *plane,
 	if (!plane->state->fb && !old_plane_state->fb)
 		return;
 
-	DRM_DEBUG_KMS("%s: crtc_id=%d with size %d to %d\n",
+	DC_LOG_CURSOR("%s: crtc_id=%d with size %d to %d\n",
 		      __func__,
 		      amdgpu_crtc->crtc_id,
 		      plane->state->crtc_w,
@@ -7967,8 +7967,8 @@ static void prepare_flip_isr(struct amdgpu_crtc *acrtc)
 	/* Mark this event as consumed */
 	acrtc->base.state->event = NULL;
 
-	DRM_DEBUG_KMS("crtc:%d, pflip_stat:AMDGPU_FLIP_SUBMITTED\n",
-		      acrtc->crtc_id);
+	DC_LOG_PFLIP("crtc:%d, pflip_stat:AMDGPU_FLIP_SUBMITTED\n",
+		     acrtc->crtc_id);
 }
 
 static void update_freesync_state_on_stream(

drivers/gpu/drm/amd/display/include/logger_types.h

@@ -36,6 +36,9 @@
 #define DC_LOG_DC(...) DRM_DEBUG_KMS(__VA_ARGS__)
 #define DC_LOG_DTN(...) DRM_DEBUG_KMS(__VA_ARGS__)
 #define DC_LOG_SURFACE(...) pr_debug("[SURFACE]:"__VA_ARGS__)
+#define DC_LOG_CURSOR(...) pr_debug("[CURSOR]:"__VA_ARGS__)
+#define DC_LOG_PFLIP(...) pr_debug("[PFLIP]:"__VA_ARGS__)
+#define DC_LOG_VBLANK(...) pr_debug("[VBLANK]:"__VA_ARGS__)
 #define DC_LOG_HW_HOTPLUG(...) DRM_DEBUG_KMS(__VA_ARGS__)
 #define DC_LOG_HW_LINK_TRAINING(...) pr_debug("[HW_LINK_TRAINING]:"__VA_ARGS__)
 #define DC_LOG_HW_SET_MODE(...) DRM_DEBUG_KMS(__VA_ARGS__)