diff options
Diffstat (limited to 'drivers/gpu/drm/i915/dvo_tfp410.c')
| -rw-r--r-- | drivers/gpu/drm/i915/dvo_tfp410.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/dvo_tfp410.c b/drivers/gpu/drm/i915/dvo_tfp410.c index aa2cd3ec54a..e17f1b07e91 100644 --- a/drivers/gpu/drm/i915/dvo_tfp410.c +++ b/drivers/gpu/drm/i915/dvo_tfp410.c @@ -234,14 +234,14 @@ static void tfp410_mode_set(struct intel_dvo_device *dvo, } /* set the tfp410 power state */ -static void tfp410_dpms(struct intel_dvo_device *dvo, int mode) +static void tfp410_dpms(struct intel_dvo_device *dvo, bool enable) { uint8_t ctl1; if (!tfp410_readb(dvo, TFP410_CTL_1, &ctl1)) return; - if (mode == DRM_MODE_DPMS_ON) + if (enable) ctl1 |= TFP410_CTL_1_PD; else ctl1 &= ~TFP410_CTL_1_PD; @@ -249,6 +249,19 @@ static void tfp410_dpms(struct intel_dvo_device *dvo, int mode) tfp410_writeb(dvo, TFP410_CTL_1, ctl1); } +static bool tfp410_get_hw_state(struct intel_dvo_device *dvo) +{ + uint8_t ctl1; + + if (!tfp410_readb(dvo, TFP410_CTL_1, &ctl1)) + return false; + + if (ctl1 & TFP410_CTL_1_PD) + return true; + else + return false; +} + static void tfp410_dump_regs(struct intel_dvo_device *dvo) { uint8_t val, val2; @@ -299,6 +312,7 @@ struct intel_dvo_dev_ops tfp410_ops = { .mode_valid = tfp410_mode_valid, .mode_set = tfp410_mode_set, .dpms = tfp410_dpms, + .get_hw_state = tfp410_get_hw_state, .dump_regs = tfp410_dump_regs, .destroy = tfp410_destroy, }; |