The HVS state configuration is useful when debugging what's going on in the vc4 hardware pipeline. Add an implementation of .atomic_print_state.
Signed-off-by: Maxime Ripard maxime@cerno.tech --- drivers/gpu/drm/vc4/vc4_kms.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index 26b771c919b1..bffd81d4bfcf 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -701,9 +701,26 @@ static void vc4_hvs_channels_destroy_state(struct drm_private_obj *obj, kfree(hvs_state); }
+static void vc4_hvs_channels_print_state(struct drm_printer *p, + const struct drm_private_state *state) +{ + struct vc4_hvs_state *hvs_state = to_vc4_hvs_state(state); + unsigned int i; + + drm_printf(p, "HVS State\n"); + drm_printf(p, "\tCore Clock Rate: %lu\n", hvs_state->core_clock_rate); + + for (i = 0; i < HVS_NUM_CHANNELS; i++) { + drm_printf(p, "\tChannel %d\n", i); + drm_printf(p, "\t\tin use=%d\n", hvs_state->fifo_state[i].in_use); + drm_printf(p, "\t\tload=%lu\n", hvs_state->fifo_state[i].fifo_load); + } +} + static const struct drm_private_state_funcs vc4_hvs_state_funcs = { .atomic_duplicate_state = vc4_hvs_channels_duplicate_state, .atomic_destroy_state = vc4_hvs_channels_destroy_state, + .atomic_print_state = vc4_hvs_channels_print_state, };
static void vc4_hvs_channels_obj_fini(struct drm_device *dev, void *unused)