From: Jani Nikula <jani.nikula@linux.intel.com>
To: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>,
intel-gfx@lists.freedesktop.org
Cc: a.hajda@samsung.com, dri-devel@lists.freedesktop.org,
laurent.pinchart@ideasonboard.com
Subject: Re: [PATCH v9 0/6] drm/i915/dp: Support for DP YCbCr4:2:0 outputs
Date: Thu, 23 May 2019 10:20:26 +0300 [thread overview]
Message-ID: <87imu17i2t.fsf@intel.com> (raw)
In-Reply-To: <20190521121721.32010-1-gwan-gyeong.mun@intel.com>
On Tue, 21 May 2019, Gwan-gyeong Mun <gwan-gyeong.mun@intel.com> wrote:
> On Gen 11 platform, to enable resolutions like 5K@120 (or higher) we need
> to use DSC (DP 1.4) or YCbCr4:2:0 (DP 1.3 or 1.4) on DP.
> In order to support YCbCr4:2:0 on DP we need to program YCBCR 4:2:0
> to MSA and VSC SDP.
> And Link M/N values are calculated and applied based on the Full Clock
> forYCbCr420.
> The Bit per Pixel needs to be adjusted for YUV420 mode as it requires only
> half of the RGB case.
> - Link M/N values are calculated and applied based on the Full Clock
> - Data M/N values needs to be calculated considering the data is half
> due to subsampling
>
> These patches add a VSC structure for handling Pixel Encoding/Colorimetry
> Formats and program YCBCR 4:2:0 to MSA and VSC SDP. And it changes a link
> bandwidth computation for DP.
Thanks for the patches, pushed to dinq with Laurent's and Maarten's acks
to queue patch 2 via drm-intel.
BR,
Jani.
--
Jani Nikula, Intel Open Source Graphics Center
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prev parent reply other threads:[~2019-05-23 7:20 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-21 12:17 [PATCH v9 0/6] drm/i915/dp: Support for DP YCbCr4:2:0 outputs Gwan-gyeong Mun
2019-05-21 12:17 ` [PATCH v9 1/6] drm/i915/dp: Add a config function for YCBCR420 outputs Gwan-gyeong Mun
2019-05-21 12:17 ` [PATCH v9 2/6] drm: Rename struct edp_vsc_psr to struct dp_sdp Gwan-gyeong Mun
2019-05-21 12:17 ` [PATCH v9 3/6] drm/i915/dp: Program VSC Header and DB for Pixel Encoding/Colorimetry Format Gwan-gyeong Mun
2019-05-21 12:17 ` [PATCH v9 4/6] drm/i915/dp: Add a support of YCBCR 4:2:0 to DP MSA Gwan-gyeong Mun
2019-05-21 12:17 ` [PATCH v9 5/6] drm/i915/dp: Change a link bandwidth computation for DP Gwan-gyeong Mun
2019-05-21 12:17 ` [PATCH v9 6/6] drm/i915/dp: Support DP ports YUV 4:2:0 output to GEN11 Gwan-gyeong Mun
2019-05-21 16:11 ` ✓ Fi.CI.BAT: success for drm/i915/dp: Support for DP YCbCr4:2:0 outputs (rev4) Patchwork
2019-05-22 9:46 ` ✓ Fi.CI.IGT: " Patchwork
2019-05-23 7:20 ` Jani Nikula [this message]
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