On Sun, 19 Aug 2012 21:12:46 +0200
Daniel Vetter <[email protected]> wrote:

> Similar to the sdvo code we poke the dvo encoder whether the output is
> active. Safe that dvo encoders are not standardized, so this requires
> a new callback into the dvo chip driver.
> 
> Hence implement that for all 6 dvo drivers.
> 
> v2: With the newly added ns2501 we now have 6 dvo drivers instead of
> just 5 ...
> 
> Signed-Off-by: Daniel Vetter <[email protected]>
> ---
>  drivers/gpu/drm/i915/dvo.h        |  6 ++++++
>  drivers/gpu/drm/i915/dvo_ch7017.c | 13 +++++++++++++
>  drivers/gpu/drm/i915/dvo_ch7xxx.c | 13 +++++++++++++
>  drivers/gpu/drm/i915/dvo_ivch.c   | 15 +++++++++++++++
>  drivers/gpu/drm/i915/dvo_ns2501.c | 15 +++++++++++++++
>  drivers/gpu/drm/i915/dvo_sil164.c | 16 ++++++++++++++++
>  drivers/gpu/drm/i915/dvo_tfp410.c | 14 ++++++++++++++
>  drivers/gpu/drm/i915/intel_dvo.c  | 27 +++++++++++++++++++++++++++
>  8 files changed, 119 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/dvo.h b/drivers/gpu/drm/i915/dvo.h
> index 0fa839e..74b5efc 100644
> --- a/drivers/gpu/drm/i915/dvo.h
> +++ b/drivers/gpu/drm/i915/dvo.h
> @@ -114,6 +114,12 @@ struct intel_dvo_dev_ops {
>        */
>       enum drm_connector_status (*detect)(struct intel_dvo_device *dvo);
>  
> +     /*
> +      * Probe the current hw status, returning true if the connected output
> +      * is active.
> +      */
> +     bool (*get_hw_state)(struct intel_dvo_device *dev);
> +
>       /**
>        * Query the device for the modes it provides.
>        *
> diff --git a/drivers/gpu/drm/i915/dvo_ch7017.c 
> b/drivers/gpu/drm/i915/dvo_ch7017.c
> index 71e7650..86b27d1 100644
> --- a/drivers/gpu/drm/i915/dvo_ch7017.c
> +++ b/drivers/gpu/drm/i915/dvo_ch7017.c
> @@ -359,6 +359,18 @@ static void ch7017_dpms(struct intel_dvo_device *dvo, 
> bool enable)
>       msleep(20);
>  }
>  
> +static bool ch7017_get_hw_state(struct intel_dvo_device *dvo)
> +{
> +     uint8_t val;
> +
> +     ch7017_read(dvo, CH7017_LVDS_POWER_DOWN, &val);
> +
> +     if (val & CH7017_LVDS_POWER_DOWN_EN)
> +             return false;
> +     else
> +             return true;
> +}
> +
>  static void ch7017_dump_regs(struct intel_dvo_device *dvo)
>  {
>       uint8_t val;
> @@ -396,6 +408,7 @@ struct intel_dvo_dev_ops ch7017_ops = {
>       .mode_valid = ch7017_mode_valid,
>       .mode_set = ch7017_mode_set,
>       .dpms = ch7017_dpms,
> +     .get_hw_state = ch7017_get_hw_state,
>       .dump_regs = ch7017_dump_regs,
>       .destroy = ch7017_destroy,
>  };
> diff --git a/drivers/gpu/drm/i915/dvo_ch7xxx.c 
> b/drivers/gpu/drm/i915/dvo_ch7xxx.c
> index c1dea5b..38f3a6c 100644
> --- a/drivers/gpu/drm/i915/dvo_ch7xxx.c
> +++ b/drivers/gpu/drm/i915/dvo_ch7xxx.c
> @@ -297,6 +297,18 @@ static void ch7xxx_dpms(struct intel_dvo_device *dvo, 
> bool enable)
>               ch7xxx_writeb(dvo, CH7xxx_PM, CH7xxx_PM_FPD);
>  }
>  
> +static bool ch7xxx_get_hw_state(struct intel_dvo_device *dvo)
> +{
> +     u8 val;
> +
> +     ch7xxx_readb(dvo, CH7xxx_PM, &val);
> +
> +     if (val & CH7xxx_PM_FPD)
> +             return false;
> +     else
> +             return true;
> +}
> +
>  static void ch7xxx_dump_regs(struct intel_dvo_device *dvo)
>  {
>       int i;
> @@ -326,6 +338,7 @@ struct intel_dvo_dev_ops ch7xxx_ops = {
>       .mode_valid = ch7xxx_mode_valid,
>       .mode_set = ch7xxx_mode_set,
>       .dpms = ch7xxx_dpms,
> +     .get_hw_state = ch7xxx_get_hw_state,
>       .dump_regs = ch7xxx_dump_regs,
>       .destroy = ch7xxx_destroy,
>  };
> diff --git a/drivers/gpu/drm/i915/dvo_ivch.c b/drivers/gpu/drm/i915/dvo_ivch.c
> index fa8ff6b..baaf65b 100644
> --- a/drivers/gpu/drm/i915/dvo_ivch.c
> +++ b/drivers/gpu/drm/i915/dvo_ivch.c
> @@ -323,6 +323,20 @@ static void ivch_dpms(struct intel_dvo_device *dvo, bool 
> enable)
>       udelay(16 * 1000);
>  }
>  
> +static bool ivch_get_hw_state(struct intel_dvo_device *dvo)
> +{
> +     uint16_t vr01;
> +
> +     /* Set the new power state of the panel. */
> +     if (!ivch_read(dvo, VR01, &vr01))
> +             return false;
> +
> +     if (vr01 & VR01_LCD_ENABLE)
> +             return true;
> +     else
> +             return false;
> +}
> +
>  static void ivch_mode_set(struct intel_dvo_device *dvo,
>                         struct drm_display_mode *mode,
>                         struct drm_display_mode *adjusted_mode)
> @@ -413,6 +427,7 @@ static void ivch_destroy(struct intel_dvo_device *dvo)
>  struct intel_dvo_dev_ops ivch_ops = {
>       .init = ivch_init,
>       .dpms = ivch_dpms,
> +     .get_hw_state = ivch_get_hw_state,
>       .mode_valid = ivch_mode_valid,
>       .mode_set = ivch_mode_set,
>       .detect = ivch_detect,
> diff --git a/drivers/gpu/drm/i915/dvo_ns2501.c 
> b/drivers/gpu/drm/i915/dvo_ns2501.c
> index c4d9f2f..c4a255b 100644
> --- a/drivers/gpu/drm/i915/dvo_ns2501.c
> +++ b/drivers/gpu/drm/i915/dvo_ns2501.c
> @@ -493,6 +493,20 @@ static void ns2501_mode_set(struct intel_dvo_device *dvo,
>  }
>  
>  /* set the NS2501 power state */
> +static bool ns2501_get_hw_state(struct intel_dvo_device *dvo)
> +{
> +     unsigned char ch;
> +
> +     if (!ns2501_readb(dvo, NS2501_REG8, &ch))
> +             return false;
> +
> +     if (ch & NS2501_8_PD)
> +             return true;
> +     else
> +             return false;
> +}
> +
> +/* set the NS2501 power state */
>  static void ns2501_dpms(struct intel_dvo_device *dvo, bool enable)
>  {
>       bool ok;
> @@ -568,6 +582,7 @@ struct intel_dvo_dev_ops ns2501_ops = {
>       .mode_valid = ns2501_mode_valid,
>       .mode_set = ns2501_mode_set,
>       .dpms = ns2501_dpms,
> +     .get_hw_state = ns2501_get_hw_state,
>       .dump_regs = ns2501_dump_regs,
>       .destroy = ns2501_destroy,
>  };
> diff --git a/drivers/gpu/drm/i915/dvo_sil164.c 
> b/drivers/gpu/drm/i915/dvo_sil164.c
> index cc24c1c..4debd32 100644
> --- a/drivers/gpu/drm/i915/dvo_sil164.c
> +++ b/drivers/gpu/drm/i915/dvo_sil164.c
> @@ -226,6 +226,21 @@ static void sil164_dpms(struct intel_dvo_device *dvo, 
> bool enable)
>       return;
>  }
>  
> +static bool sil164_get_hw_state(struct intel_dvo_device *dvo)
> +{
> +     int ret;
> +     unsigned char ch;
> +
> +     ret = sil164_readb(dvo, SIL164_REG8, &ch);
> +     if (ret == false)
> +             return false;
> +
> +     if (ch & SIL164_8_PD)
> +             return true;
> +     else
> +             return false;
> +}
> +
>  static void sil164_dump_regs(struct intel_dvo_device *dvo)
>  {
>       uint8_t val;
> @@ -258,6 +273,7 @@ struct intel_dvo_dev_ops sil164_ops = {
>       .mode_valid = sil164_mode_valid,
>       .mode_set = sil164_mode_set,
>       .dpms = sil164_dpms,
> +     .get_hw_state = sil164_get_hw_state,
>       .dump_regs = sil164_dump_regs,
>       .destroy = sil164_destroy,
>  };
> diff --git a/drivers/gpu/drm/i915/dvo_tfp410.c 
> b/drivers/gpu/drm/i915/dvo_tfp410.c
> index 097b3e8..e17f1b0 100644
> --- a/drivers/gpu/drm/i915/dvo_tfp410.c
> +++ b/drivers/gpu/drm/i915/dvo_tfp410.c
> @@ -249,6 +249,19 @@ static void tfp410_dpms(struct intel_dvo_device *dvo, 
> bool enable)
>       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,
>  };
> diff --git a/drivers/gpu/drm/i915/intel_dvo.c 
> b/drivers/gpu/drm/i915/intel_dvo.c
> index 84c0867..e9397b7 100644
> --- a/drivers/gpu/drm/i915/intel_dvo.c
> +++ b/drivers/gpu/drm/i915/intel_dvo.c
> @@ -105,6 +105,31 @@ static struct intel_dvo *intel_attached_dvo(struct 
> drm_connector *connector)
>                           struct intel_dvo, base);
>  }
>  
> +static bool intel_dvo_connector_get_hw_state(struct intel_connector 
> *connector)
> +{
> +     struct intel_dvo *intel_dvo = intel_attached_dvo(&connector->base);
> +
> +     return intel_dvo->dev.dev_ops->get_hw_state(&intel_dvo->dev);
> +}
> +
> +static bool intel_dvo_get_hw_state(struct intel_encoder *encoder,
> +                                enum pipe *pipe)
> +{
> +     struct drm_device *dev = encoder->base.dev;
> +     struct drm_i915_private *dev_priv = dev->dev_private;
> +     struct intel_dvo *intel_dvo = enc_to_intel_dvo(&encoder->base);
> +     u32 tmp;
> +
> +     tmp = I915_READ(intel_dvo->dev.dvo_reg);
> +
> +     if (!(tmp & DVO_ENABLE))
> +             return false;
> +
> +     *pipe = PORT_TO_PIPE(tmp);
> +
> +     return true;
> +}
> +
>  static void intel_disable_dvo(struct intel_encoder *encoder)
>  {
>       struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
> @@ -414,6 +439,8 @@ void intel_dvo_init(struct drm_device *dev)
>  
>       intel_encoder->disable = intel_disable_dvo;
>       intel_encoder->enable = intel_enable_dvo;
> +     intel_encoder->get_hw_state = intel_dvo_get_hw_state;
> +     intel_connector->get_hw_state = intel_dvo_connector_get_hw_state;
>  
>       /* Now, try to find a controller */
>       for (i = 0; i < ARRAY_SIZE(intel_dvo_devices); i++) {

Uhh yes.

Acked-by: Jesse Barnes <[email protected]>

-- 
Jesse Barnes, Intel Open Source Technology Center
_______________________________________________
Intel-gfx mailing list
[email protected]
http://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to