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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: Rob Clark <robdclark@chromium.org>
Link: https://lore.kernel.org/r/20211124214151.1427022-10-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Rob Clark 2021-11-24 13:41:34 -08:00
parent 1691e00596
commit b859f9b009
1 changed files with 12 additions and 0 deletions
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12
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
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@ -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];