drm/i915: Include the scanline offset in the state dump

When looking at raw hardware scanline numbers it's helpful to
remember what the offset between the hardware values and our
more human readable numbers should be. Include that in the state dump.

Signed-off-by: Ville Syrjälä <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Ankit Nautiyal <[email protected]>

Author: vsyrjala

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

@@ -10,6 +10,7 @@
 #include "intel_crtc_state_dump.h"
 #include "intel_display_types.h"
 #include "intel_hdmi.h"
+#include "intel_vblank.h"
 #include "intel_vdsc.h"
 #include "intel_vrr.h"
 
@@ -283,6 +284,9 @@ void intel_crtc_state_dump(const struct intel_crtc_state *pipe_config,
 		drm_print_hex_dump(&p, "ELD: ", pipe_config->eld,
 				   drm_eld_size(pipe_config->eld));
 
+	drm_printf(&p, "scanline offset: %d\n",
+		   intel_crtc_scanline_offset(pipe_config));
+
 	drm_printf(&p, "vblank delay: %d, framestart delay: %d, MSA timing delay: %d\n",
 		   pipe_config->hw.adjusted_mode.crtc_vblank_start -
 		   pipe_config->hw.adjusted_mode.crtc_vdisplay,