diff options
| author | Oleg Perelet <operelet@codeaurora.org> | 2016-02-08 14:46:08 -0800 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 21:20:47 -0700 |
| commit | e70b298fa41cc025f4f78bc39aa10b911f221b99 (patch) | |
| tree | 1f74190c4daf7d761fbd64e0982d176792327091 /drivers/gpu | |
| parent | 2456b24f24928d0ee5e6daa8ebac30b67f79d6c1 (diff) | |
msm: kgsl: Add run time hardware clockgating control
Create sysfs nodes to enable/disable hardware clock gating.
CRs-Fixed: 973565
Change-Id: If5f0215e0d7f3d7be1a0cf00fbd8789c6adf2f0f
Signed-off-by: Oleg Perelet <operelet@codeaurora.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/msm/adreno.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/msm/adreno.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/msm/adreno_a5xx.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/msm/adreno_sysfs.c | 14 |
4 files changed, 19 insertions, 1 deletions
diff --git a/drivers/gpu/msm/adreno.c b/drivers/gpu/msm/adreno.c index 337a7f2023f7..0719690df01e 100644 --- a/drivers/gpu/msm/adreno.c +++ b/drivers/gpu/msm/adreno.c @@ -97,7 +97,7 @@ static struct adreno_device device_3d0 = { .input_work = __WORK_INITIALIZER(device_3d0.input_work, adreno_input_work), .pwrctrl_flag = BIT(ADRENO_SPTP_PC_CTRL) | BIT(ADRENO_PPD_CTRL) | - BIT(ADRENO_LM_CTRL), + BIT(ADRENO_LM_CTRL) | BIT(ADRENO_HWCG_CTRL), .profile.enabled = false, }; diff --git a/drivers/gpu/msm/adreno.h b/drivers/gpu/msm/adreno.h index 8a6aae3472f1..f40a14165acc 100644 --- a/drivers/gpu/msm/adreno.h +++ b/drivers/gpu/msm/adreno.h @@ -188,6 +188,7 @@ enum adreno_gpurev { #define ADRENO_SPTP_PC_CTRL 0 #define ADRENO_PPD_CTRL 1 #define ADRENO_LM_CTRL 2 +#define ADRENO_HWCG_CTRL 3 /* number of throttle counters for DCVS adjustment */ #define ADRENO_GPMU_THROTTLE_COUNTERS 4 diff --git a/drivers/gpu/msm/adreno_a5xx.c b/drivers/gpu/msm/adreno_a5xx.c index d25218ad7e96..bb7dc9dcde33 100644 --- a/drivers/gpu/msm/adreno_a5xx.c +++ b/drivers/gpu/msm/adreno_a5xx.c @@ -1197,6 +1197,9 @@ static void a5xx_hwcg_init(struct adreno_device *adreno_dev) const struct kgsl_hwcg_reg *regs; int i, j; + if (!test_bit(ADRENO_HWCG_CTRL, &adreno_dev->pwrctrl_flag)) + return; + for (i = 0; i < ARRAY_SIZE(a5xx_hwcg_registers); i++) { if (a5xx_hwcg_registers[i].devfunc(adreno_dev)) break; diff --git a/drivers/gpu/msm/adreno_sysfs.c b/drivers/gpu/msm/adreno_sysfs.c index 977ba7624d3f..f9d16222177c 100644 --- a/drivers/gpu/msm/adreno_sysfs.c +++ b/drivers/gpu/msm/adreno_sysfs.c @@ -190,6 +190,17 @@ static unsigned int _preemption_show(struct adreno_device *adreno_dev) return adreno_is_preemption_enabled(adreno_dev); } +static int _hwcg_store(struct adreno_device *adreno_dev, + unsigned int val) +{ + return _pwrctrl_store(adreno_dev, val, ADRENO_HWCG_CTRL); +} + +static unsigned int _hwcg_show(struct adreno_device *adreno_dev) +{ + return test_bit(ADRENO_HWCG_CTRL, &adreno_dev->pwrctrl_flag); +} + static int _sptp_pc_store(struct adreno_device *adreno_dev, unsigned int val) { @@ -303,6 +314,8 @@ static DEVICE_INT_ATTR(wake_timeout, 0644, adreno_wake_timeout); static ADRENO_SYSFS_BOOL(sptp_pc); static ADRENO_SYSFS_BOOL(lm); static ADRENO_SYSFS_BOOL(preemption); +static ADRENO_SYSFS_BOOL(hwcg); + static const struct device_attribute *_attr_list[] = { &adreno_attr_ft_policy.attr, @@ -315,6 +328,7 @@ static const struct device_attribute *_attr_list[] = { &adreno_attr_sptp_pc.attr, &adreno_attr_lm.attr, &adreno_attr_preemption.attr, + &adreno_attr_hwcg.attr, NULL, }; |