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From: Matt Roper <matthew.d.roper@intel.com>
To: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915/tgl: allow DVI/HDMI on port A
Date: Wed, 13 Nov 2019 08:23:56 -0800	[thread overview]
Message-ID: <20191113162356.GR21445@mdroper-desk1.amr.corp.intel.com> (raw)
In-Reply-To: <20191113021935.41547-1-lucas.demarchi@intel.com>

On Tue, Nov 12, 2019 at 06:19:35PM -0800, Lucas De Marchi wrote:
> Tiger Lake supports HDMI on port A. For other platforms we ignore what the VBT
> says regarding HDMI to workaround broken VBTs, see commit
> 2ba7d7e04371 ("drm/i915/bios: ignore HDMI on port A"). Make this apply
> gen12+ so they inherit the TGL behavior.
> 
> Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_bios.c | 2 +-
>  drivers/gpu/drm/i915/display/intel_hdmi.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
> index 7c0ca733bef8..e6da98729e1f 100644
> --- a/drivers/gpu/drm/i915/display/intel_bios.c
> +++ b/drivers/gpu/drm/i915/display/intel_bios.c
> @@ -1450,7 +1450,7 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv,
>  	is_hdmi = is_dvi && (child->device_type & DEVICE_TYPE_NOT_HDMI_OUTPUT) == 0;
>  	is_edp = is_dp && (child->device_type & DEVICE_TYPE_INTERNAL_CONNECTOR);
>  
> -	if (port == PORT_A && is_dvi) {
> +	if (port == PORT_A && is_dvi && INTEL_GEN(dev_priv) < 12) {
>  		DRM_DEBUG_KMS("VBT claims port A supports DVI%s, ignoring\n",
>  			      is_hdmi ? "/HDMI" : "");
>  		is_dvi = false;
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index ed4a68fb351f..659a03b08849 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -3140,7 +3140,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
>  	DRM_DEBUG_KMS("Adding HDMI connector on [ENCODER:%d:%s]\n",
>  		      intel_encoder->base.base.id, intel_encoder->base.name);
>  
> -	if (WARN_ON(port == PORT_A))
> +	if (INTEL_GEN(dev_priv) < 12 && WARN_ON(port == PORT_A))
>  		return;
>  
>  	if (WARN(intel_dig_port->max_lanes < 4,
> -- 
> 2.24.0
> 

-- 
Matt Roper
Graphics Software Engineer
VTT-OSGC Platform Enablement
Intel Corporation
(916) 356-2795
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

WARNING: multiple messages have this Message-ID (diff)
From: Matt Roper <matthew.d.roper@intel.com>
To: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [Intel-gfx] [PATCH] drm/i915/tgl: allow DVI/HDMI on port A
Date: Wed, 13 Nov 2019 08:23:56 -0800	[thread overview]
Message-ID: <20191113162356.GR21445@mdroper-desk1.amr.corp.intel.com> (raw)
Message-ID: <20191113162356.SkAvuIfEf49GWrC21bOIyOepTAVyIiMsPD2ffPfvqvA@z> (raw)
In-Reply-To: <20191113021935.41547-1-lucas.demarchi@intel.com>

On Tue, Nov 12, 2019 at 06:19:35PM -0800, Lucas De Marchi wrote:
> Tiger Lake supports HDMI on port A. For other platforms we ignore what the VBT
> says regarding HDMI to workaround broken VBTs, see commit
> 2ba7d7e04371 ("drm/i915/bios: ignore HDMI on port A"). Make this apply
> gen12+ so they inherit the TGL behavior.
> 
> Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>

> ---
>  drivers/gpu/drm/i915/display/intel_bios.c | 2 +-
>  drivers/gpu/drm/i915/display/intel_hdmi.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
> index 7c0ca733bef8..e6da98729e1f 100644
> --- a/drivers/gpu/drm/i915/display/intel_bios.c
> +++ b/drivers/gpu/drm/i915/display/intel_bios.c
> @@ -1450,7 +1450,7 @@ static void parse_ddi_port(struct drm_i915_private *dev_priv,
>  	is_hdmi = is_dvi && (child->device_type & DEVICE_TYPE_NOT_HDMI_OUTPUT) == 0;
>  	is_edp = is_dp && (child->device_type & DEVICE_TYPE_INTERNAL_CONNECTOR);
>  
> -	if (port == PORT_A && is_dvi) {
> +	if (port == PORT_A && is_dvi && INTEL_GEN(dev_priv) < 12) {
>  		DRM_DEBUG_KMS("VBT claims port A supports DVI%s, ignoring\n",
>  			      is_hdmi ? "/HDMI" : "");
>  		is_dvi = false;
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index ed4a68fb351f..659a03b08849 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -3140,7 +3140,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
>  	DRM_DEBUG_KMS("Adding HDMI connector on [ENCODER:%d:%s]\n",
>  		      intel_encoder->base.base.id, intel_encoder->base.name);
>  
> -	if (WARN_ON(port == PORT_A))
> +	if (INTEL_GEN(dev_priv) < 12 && WARN_ON(port == PORT_A))
>  		return;
>  
>  	if (WARN(intel_dig_port->max_lanes < 4,
> -- 
> 2.24.0
> 

-- 
Matt Roper
Graphics Software Engineer
VTT-OSGC Platform Enablement
Intel Corporation
(916) 356-2795
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  parent reply	other threads:[~2019-11-13 16:22 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-13  2:19 [PATCH] drm/i915/tgl: allow DVI/HDMI on port A Lucas De Marchi
2019-11-13  2:19 ` [Intel-gfx] " Lucas De Marchi
2019-11-13  2:25 ` ✗ Fi.CI.CHECKPATCH: warning for " Patchwork
2019-11-13  2:25   ` [Intel-gfx] " Patchwork
2019-11-13  2:50 ` ✗ Fi.CI.BAT: failure " Patchwork
2019-11-13  2:50   ` [Intel-gfx] " Patchwork
2019-11-13 16:23 ` Matt Roper [this message]
2019-11-13 16:23   ` [Intel-gfx] [PATCH] " Matt Roper
2019-11-14 12:43 ` Jani Nikula
2019-11-14 12:43   ` [Intel-gfx] " Jani Nikula
2019-11-14 17:31   ` Lucas De Marchi
2019-11-14 17:31     ` [Intel-gfx] " Lucas De Marchi

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