Re: [PATCH v3 1/7] drm/dp_helper: Add helper to check DSC support with given o/p format

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



ack

On 2023-03-20 09:59, Jani Nikula wrote:
Thomas, Maxime, Maarten, ack for merging this one via drm-intel?

BR,
Jani.



On Thu, 09 Mar 2023, Suraj Kandpal <suraj.kandpal@xxxxxxxxx> wrote:
From: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>

Add helper to check if the DP sink supports DSC with the given
o/p format.

v2: Add documentation for the helper. (Uma Shankar)

v3: /** instead of  /* (Uma Shankar)

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx>
Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx>
---
  include/drm/display/drm_dp_helper.h | 13 +++++++++++++
  1 file changed, 13 insertions(+)

diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index ab55453f2d2c..533d3ee7fe05 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -194,6 +194,19 @@ drm_dp_dsc_sink_max_slice_width(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE])
  		DP_DSC_SLICE_WIDTH_MULTIPLIER;
  }
+/**
+ * drm_dp_dsc_sink_supports_format() - check if sink supports DSC with given output format
+ * @dsc_dpcd : DSC-capability DPCDs of the sink
+ * @output_format: output_format which is to be checked
+ *
+ * Returns true if the sink supports DSC with the given output_format, false otherwise.
+ */
+static inline bool
+drm_dp_dsc_sink_supports_format(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE], u8 output_format)
+{
+	return dsc_dpcd[DP_DSC_DEC_COLOR_FORMAT_CAP - DP_DSC_SUPPORT] & output_format;
+}
+
  /* Forward Error Correction Support on DP 1.4 */
  static inline bool
  drm_dp_sink_supports_fec(const u8 fec_capable)



[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux