The downstream driver switched from only disabling internal DFS on those cores to clearing bit 16 and setting bit 17 in commit "MGS-3448: gpu-viv: fix 6.2.4 remaning issues". This, as far as is known, completely disables the pulse eater.
Signed-off-by: Lucas Stach <[email protected]> --- drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index a1e84deba6c0..a2b3785e49b3 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -747,9 +747,10 @@ static void etnaviv_gpu_setup_pulse_eater(struct etnaviv_gpu *gpu) if ((gpu->identity.revision > 0x5420) && (gpu->identity.features & chipFeatures_PIPE_3D)) { - /* Performance fix: disable internal DFS */ + /* Performance fix: disable internal DFS and pulse-eater */ pulse_eater = gpu_read_power(gpu, VIVS_PM_PULSE_EATER); - pulse_eater |= BIT(18); + pulse_eater &= ~BIT(16); + pulse_eater |= BIT(18) | BIT(17); } gpu_write_power(gpu, VIVS_PM_PULSE_EATER, pulse_eater); -- 2.39.5
