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[1/3] drm/dp: add drm_dp_tps3_supported helper

Message ID 1440588813-21109-1-git-send-email-jani.nikula@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jani Nikula Aug. 26, 2015, 11:33 a.m. UTC 
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 include/drm/drm_dp_helper.h | 7 +++++++
 1 file changed, 7 insertions(+)

Comments

Alex Deucher Aug. 26, 2015, 1:22 p.m. UTC | #1 
On Wed, Aug 26, 2015 at 7:33 AM, Jani Nikula <jani.nikula@intel.com> wrote:
> Cc: Thierry Reding <thierry.reding@gmail.com>
> Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

> ---
>  include/drm/drm_dp_helper.h | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
> index 499e9f625aef..8c52d0ef1fc9 100644
> --- a/include/drm/drm_dp_helper.h
> +++ b/include/drm/drm_dp_helper.h
> @@ -634,6 +634,13 @@ drm_dp_enhanced_frame_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
>                 (dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP);
>  }
>
> +static inline bool
> +drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
> +{
> +       return dpcd[DP_DPCD_REV] >= 0x12 &&
> +               dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED;
> +}
> +
>  /*
>   * DisplayPort AUX channel
>   */
> --
> 2.1.4
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
diff mbox

Patch

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 499e9f625aef..8c52d0ef1fc9 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -634,6 +634,13 @@  drm_dp_enhanced_frame_cap(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
 		(dpcd[DP_MAX_LANE_COUNT] & DP_ENHANCED_FRAME_CAP);
 }
 
+static inline bool
+drm_dp_tps3_supported(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
+{
+	return dpcd[DP_DPCD_REV] >= 0x12 &&
+		dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED;
+}
+
 /*
  * DisplayPort AUX channel
  */