[PATCH hwc] drm_hwcomposer: Add HDMI connector as a valid type

[Robert Foss]

Hi Rob,

Pushed to master.


Rob.

On Wed, 2017-11-01 at 12:50 -0500, Rob Herring wrote:
> From: Robert Foss <robert.foss at collabora.com>
> 
> Accept DRM_MODE_CONNECTOR_HDMIA connector type.
> 
> Look for primary DrmConnector amongst external connectors
> after looking for primary amongst internal ones first.
> 
> Signed-off-by: Robert Foss <robert.foss at collabora.com>
> Signed-off-by: Rob Herring <robh at kernel.org>
> ---
> This is needed to get dev boards like DB410c to work.
> 
>  drmconnector.cpp | 10 +++++++++-
>  drmconnector.h   |  4 +++-
>  drmresources.cpp | 16 ++++++++++++++--
>  3 files changed, 26 insertions(+), 4 deletions(-)
> 
> diff --git a/drmconnector.cpp b/drmconnector.cpp
> index ccb38e2f00dc..247f56bde748 100644
> --- a/drmconnector.cpp
> +++ b/drmconnector.cpp
> @@ -67,11 +67,19 @@ void DrmConnector::set_display(int display) {
>    display_ = display;
>  }
>  
> -bool DrmConnector::built_in() const {
> +bool DrmConnector::internal() const {
>    return type_ == DRM_MODE_CONNECTOR_LVDS || type_ ==
> DRM_MODE_CONNECTOR_eDP ||
>           type_ == DRM_MODE_CONNECTOR_DSI || type_ ==
> DRM_MODE_CONNECTOR_VIRTUAL;
>  }
>  
> +bool DrmConnector::external() const {
> +  return type_ == DRM_MODE_CONNECTOR_HDMIA;
> +}
> +
> +bool DrmConnector::valid_type() const {
> +  return internal() || external();
> +}
> +
>  int DrmConnector::UpdateModes() {
>    int fd = drm_->fd();
>  
> diff --git a/drmconnector.h b/drmconnector.h
> index e1488bb42a9a..5601e069f003 100644
> --- a/drmconnector.h
> +++ b/drmconnector.h
> @@ -44,7 +44,9 @@ class DrmConnector {
>    int display() const;
>    void set_display(int display);
>  
> -  bool built_in() const;
> +  bool internal() const;
> +  bool external() const;
> +  bool valid_type() const;
>  
>    int UpdateModes();
>  
> diff --git a/drmresources.cpp b/drmresources.cpp
> index 67a853c587b3..32dd37636e73 100644
> --- a/drmresources.cpp
> +++ b/drmresources.cpp
> @@ -154,16 +154,28 @@ int DrmResources::Init() {
>        break;
>      }
>  
> -    if (conn->built_in() && !found_primary) {
> +    connectors_.emplace_back(std::move(conn));
> +  }
> +
> +  // First look for primary amongst internal connectors
> +  for (auto &conn : connectors_) {
> +    if (conn->internal() && !found_primary) {
>        conn->set_display(0);
>        found_primary = true;
>      } else {
>        conn->set_display(display_num);
>        ++display_num;
>      }
> +  }
>  
> -    connectors_.emplace_back(std::move(conn));
> +  // Then look for primary amongst external connectors
> +  for (auto &conn : connectors_) {
> +    if (conn->external() && !found_primary) {
> +      conn->set_display(0);
> +      found_primary = true;
> +    }
>    }
> +
>    if (res)
>      drmModeFreeResources(res);
>  
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