drm/msm/gpu: Add GEM debug label to devcore

When trying to understand an iova fault devcore, once you figure out
which buffer we accessed beyond the end of, it is useful to see the
buffer's debug label.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/491910/
Link: https://lore.kernel.org/r/20220629211919.563585-3-robdclark@gmail.com

drivers/gpu/drm/msm/adreno/adreno_gpu.c

@@ -824,6 +824,7 @@ void adreno_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
 			drm_printf(p, "  - iova: 0x%016llx\n",
 				state->bos[i].iova);
 			drm_printf(p, "    size: %zd\n", state->bos[i].size);
+			drm_printf(p, "    name: %-32s\n", state->bos[i].name);
 
 			adreno_show_object(p, &state->bos[i].data,
 				state->bos[i].size, &state->bos[i].encoded);

drivers/gpu/drm/msm/msm_gpu.c

@@ -229,6 +229,10 @@ static void msm_gpu_crashstate_get_bo(struct msm_gpu_state *state,
 	state_bo->size = obj->base.size;
 	state_bo->iova = iova;
 
+	BUILD_BUG_ON(sizeof(state_bo->name) != sizeof(obj->name));
+
+	memcpy(state_bo->name, obj->name, sizeof(state_bo->name));
+
 	if (full) {
 		void *ptr;
 

drivers/gpu/drm/msm/msm_gpu.h

@@ -489,6 +489,7 @@ struct msm_gpu_state_bo {
 	size_t size;
 	void *data;
 	bool encoded;
+	char name[32];
 };
 
 struct msm_gpu_state {