drm/connector: print max_requested_bpc in state debugfs

This is useful to understand the bpc defaults and
support of a driver.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Cc: Pekka Paalanen <ppaalanen@gmail.com>
Cc: Sebastian Wick <sebastian.wick@redhat.com>
Cc: Vitaly.Prosyak@amd.com
Cc: Uma Shankar <uma.shankar@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Joshua Ashton <joshua@froggi.es>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: dri-devel@lists.freedesktop.org
Cc: amd-gfx@lists.freedesktop.org
Reviewed-By: Joshua Ashton <joshua@froggi.es>
Link: https://patchwork.freedesktop.org/patch/msgid/20230113162428.33874-3-harry.wentland@amd.com
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 5457c02ca1abcad673f2bafa0e7b8ee3a7b57cce..fed41800fea737c2f1c231892be471c9a5ead22a 100644 (file)
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1070,6 +1070,7 @@ static void drm_atomic_connector_print_state(struct drm_printer *p,
        drm_printf(p, "connector[%u]: %s\n", connector->base.id, connector->name);
        drm_printf(p, "\tcrtc=%s\n", state->crtc ? state->crtc->name : "(null)");
        drm_printf(p, "\tself_refresh_aware=%d\n", state->self_refresh_aware);
+       drm_printf(p, "\tmax_requested_bpc=%d\n", state->max_requested_bpc);
 
        if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK)
                if (state->writeback_job && state->writeback_job->fb)