Commit b859f9b0 authored by Rob Clark's avatar Rob Clark
Browse files

drm/msm/gpu: Snapshot GMU debug buffer 



It appears to be a GMU fw build option whether it does anything with
debug and log buffers, but if they are all zeros it won't add anything
to the devcore size.

Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
Link: https://lore.kernel.org/r/20211124214151.1427022-10-robdclark@gmail.com


Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
parent 1691e005

drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c

+12 −0
Original line number Diff line number Diff line
@@ -44,6 +44,7 @@ struct a6xx_gpu_state { 


	struct msm_gpu_state_bo *gmu_log;

	struct msm_gpu_state_bo *gmu_hfi;

	struct msm_gpu_state_bo *gmu_debug;



	s32 hfi_queue_history[2][HFI_HISTORY_SZ];
@@ -983,6 +984,7 @@ struct msm_gpu_state *a6xx_gpu_state_get(struct msm_gpu *gpu) 


	a6xx_state->gmu_log = a6xx_snapshot_gmu_bo(a6xx_state, &a6xx_gpu->gmu.log);

	a6xx_state->gmu_hfi = a6xx_snapshot_gmu_bo(a6xx_state, &a6xx_gpu->gmu.hfi);

	a6xx_state->gmu_debug = a6xx_snapshot_gmu_bo(a6xx_state, &a6xx_gpu->gmu.debug);



	a6xx_snapshot_gmu_hfi_history(gpu, a6xx_state);
@@ -1274,6 +1276,16 @@ void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state, 
				&gmu_hfi->encoded);

	}



	drm_puts(p, "gmu-debug:\n");

	if (a6xx_state->gmu_debug) {

		struct msm_gpu_state_bo *gmu_debug = a6xx_state->gmu_debug;



		drm_printf(p, "    iova: 0x%016llx\n", gmu_debug->iova);

		drm_printf(p, "    size: %zu\n", gmu_debug->size);

		adreno_show_object(p, &gmu_debug->data, gmu_debug->size,

				&gmu_debug->encoded);

	}



	drm_puts(p, "registers:\n");

	for (i = 0; i < a6xx_state->nr_registers; i++) {

		struct a6xx_gpu_state_obj *obj = &a6xx_state->registers[i];