[v3,11/14] drm/i915: Add HLG EOTF

Submitted by Shankar, Uma on Dec. 11, 2018, 10:35 p.m.

Details

Message ID 1544567719-15745-12-git-send-email-uma.shankar@intel.com
State New
Headers show
Series "Add HDR Metadata Parsing and handling in DRM layer" ( rev: 3 ) in DRI devel

Commit Message

Shankar, Uma Dec. 11, 2018, 10:35 p.m.
From: Ville Syrjälä <ville.syrjala@linux.intel.com>

ADD HLG EOTF to the list of EOTF transfer functions
supported.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
---
 drivers/gpu/drm/drm_edid.c | 4 ++--
 include/linux/hdmi.h       | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

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diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 5a7fc9b..fa86494 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -3857,8 +3857,8 @@  static uint16_t eotf_supported(const u8 *edid_ext)
 	return edid_ext[2] &
 		(BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
 		 BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
-		 BIT(HDMI_EOTF_SMPTE_ST2084));
-
+		 BIT(HDMI_EOTF_SMPTE_ST2084) |
+		 BIT(HDMI_EOTF_BT_2100_HLG));
 }
 
 static uint16_t hdr_metadata_type(const u8 *edid_ext)
diff --git a/include/linux/hdmi.h b/include/linux/hdmi.h
index ce00e1e..b5346c3 100644
--- a/include/linux/hdmi.h
+++ b/include/linux/hdmi.h
@@ -146,6 +146,7 @@  enum hdmi_eotf {
 	HDMI_EOTF_TRADITIONAL_GAMMA_SDR,
 	HDMI_EOTF_TRADITIONAL_GAMMA_HDR,
 	HDMI_EOTF_SMPTE_ST2084,
+	HDMI_EOTF_BT_2100_HLG,
 };
 
 struct hdmi_avi_infoframe {