Signed-off-by: Christian Gmeiner <christian.gmeiner@xxxxxxxxx> --- drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 1e23472..faf2925 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -1336,6 +1336,11 @@ static void sync_point_perfmon_sample_pre(struct etnaviv_gpu *gpu, val &= ~VIVS_PM_POWER_CONTROLS_ENABLE_MODULE_CLOCK_GATING; gpu_write(gpu, VIVS_PM_POWER_CONTROLS, val); + /* enable debug register */ + val = gpu_read(gpu, VIVS_HI_CLOCK_CONTROL); + val &= ~VIVS_HI_CLOCK_CONTROL_DISABLE_DEBUG_REGISTERS; + gpu_write(gpu, VIVS_HI_CLOCK_CONTROL, val); + sync_point_perfmon_sample(gpu, event, ETNA_PM_PROCESS_PRE); } @@ -1353,6 +1358,11 @@ static void sync_point_perfmon_sample_post(struct etnaviv_gpu *gpu, *pmr->bo_vma = pmr->sequence; } + /* disable debug register */ + val = gpu_read(gpu, VIVS_HI_CLOCK_CONTROL); + val |= VIVS_HI_CLOCK_CONTROL_DISABLE_DEBUG_REGISTERS; + gpu_write(gpu, VIVS_HI_CLOCK_CONTROL, val); + /* enable clock gating */ val = gpu_read(gpu, VIVS_PM_POWER_CONTROLS); val |= VIVS_PM_POWER_CONTROLS_ENABLE_MODULE_CLOCK_GATING; -- 2.9.4 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
