diff options
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/tegra/pmc.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index 4bdc654..0f096e7 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -88,6 +88,8 @@ struct tegra_pmc_soc { const char *const *powergates; unsigned int num_cpu_powergates; const u8 *cpu_powergates; + + bool has_gpu_clamps; }; /** @@ -225,11 +227,11 @@ int tegra_powergate_remove_clamping(int id) return -EINVAL; /* - * The Tegra124 GPU has a separate register (with different semantics) - * to remove clamps. + * On Tegra124 and later, the clamps for the GPU are controlled by a + * separate register (with different semantics). */ - if (tegra_get_chip_id() == TEGRA124) { - if (id == TEGRA_POWERGATE_3D) { + if (id == TEGRA_POWERGATE_3D) { + if (pmc->soc->has_gpu_clamps) { tegra_pmc_writel(0, GPU_RG_CNTRL); return 0; } @@ -773,6 +775,7 @@ static const struct tegra_pmc_soc tegra20_pmc_soc = { .powergates = tegra20_powergates, .num_cpu_powergates = 0, .cpu_powergates = NULL, + .has_gpu_clamps = false, }; static const char * const tegra30_powergates[] = { @@ -804,6 +807,7 @@ static const struct tegra_pmc_soc tegra30_pmc_soc = { .powergates = tegra30_powergates, .num_cpu_powergates = ARRAY_SIZE(tegra30_cpu_powergates), .cpu_powergates = tegra30_cpu_powergates, + .has_gpu_clamps = false, }; static const char * const tegra114_powergates[] = { @@ -839,6 +843,7 @@ static const struct tegra_pmc_soc tegra114_pmc_soc = { .powergates = tegra114_powergates, .num_cpu_powergates = ARRAY_SIZE(tegra114_cpu_powergates), .cpu_powergates = tegra114_cpu_powergates, + .has_gpu_clamps = false, }; static const char * const tegra124_powergates[] = { @@ -880,6 +885,7 @@ static const struct tegra_pmc_soc tegra124_pmc_soc = { .powergates = tegra124_powergates, .num_cpu_powergates = ARRAY_SIZE(tegra124_cpu_powergates), .cpu_powergates = tegra124_cpu_powergates, + .has_gpu_clamps = true, }; static const struct of_device_id tegra_pmc_match[] = { |
