RE: [v2 11/14] drm/i915: Add HLG EOTF

2019-01-07 Thread Shankar, Uma 


>-Original Message-
>From: Sharma, Shashank
>Sent: Friday, December 21, 2018 2:17 PM
>To: Shankar, Uma ; intel-...@lists.freedesktop.org;
>dri-devel@lists.freedesktop.org
>Cc: Lankhorst, Maarten ; Syrjala, Ville
>; brian.star...@arm.com; Ville Syrjälä
>
>Subject: Re: [v2 11/14] drm/i915: Add HLG EOTF
>
>Regards
>
>Shashank
>
>
>On 12/12/2018 2:08 AM, Uma Shankar wrote:
>> From: Ville Syrjälä 
>>
>> ADD HLG EOTF to the list of EOTF transfer functions supported.
>Would it be possible to add some details about HLG ?

Sure, will add that.

Regards,
Uma Shankar

>>
>> Signed-off-by: Ville Syrjälä 
>> Signed-off-by: Uma Shankar 
>> ---
>>   drivers/gpu/drm/drm_edid.c | 4 ++--
>>   include/linux/hdmi.h   | 1 +
>>   2 files changed, 3 insertions(+), 2 deletions(-)
>>
>> 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 {

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Re: [v2 11/14] drm/i915: Add HLG EOTF

2018-12-21 Thread Sharma, Shashank 

Regards

Shashank


On 12/12/2018 2:08 AM, Uma Shankar wrote:

From: Ville Syrjälä 

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

Would it be possible to add some details about HLG ?


Signed-off-by: Ville Syrjälä 
Signed-off-by: Uma Shankar 
---
  drivers/gpu/drm/drm_edid.c | 4 ++--
  include/linux/hdmi.h   | 1 +
  2 files changed, 3 insertions(+), 2 deletions(-)

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 {


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[v2 11/14] drm/i915: Add HLG EOTF

2018-12-11 Thread Uma Shankar 
From: Ville Syrjälä 

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

Signed-off-by: Ville Syrjälä 
Signed-off-by: Uma Shankar 
---
 drivers/gpu/drm/drm_edid.c | 4 ++--
 include/linux/hdmi.h   | 1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

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 {
-- 
1.9.1

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