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From: "Jernej Škrabec" <jernej.skrabec@siol.net>
To: Maxime Ripard <maxime@cerno.tech>,
	Andrzej Hajda <a.hajda@samsung.com>,
	Laurent Pinchart <Laurent.pinchart@ideasonboard.com>,
	Daniel Vetter <daniel.vetter@intel.com>,
	David Airlie <airlied@linux.ie>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	Jonas Karlman <jonas@kwiboo.se>,
	Neil Armstrong <narmstrong@baylibre.com>
Cc: Tim Gover <tim.gover@raspberrypi.com>,
	Dave Stevenson <dave.stevenson@raspberrypi.com>,
	dri-devel@lists.freedesktop.org,
	bcm-kernel-feedback-list@broadcom.com,
	linux-rpi-kernel@lists.infradead.org,
	Phil Elwell <phil@raspberrypi.com>
Subject: Re: Re: [PATCH 02/18] drm/bridge: Add HDMI output fmt helper
Date: Thu, 18 Mar 2021 19:31:30 +0100	[thread overview]
Message-ID: <3312709.MrizLCItEp@kista> (raw)
In-Reply-To: <38906681-737b-462a-d10d-7fb9def141d2@baylibre.com>

Dne sreda, 17. marec 2021 ob 17:08:07 CET je Neil Armstrong napisal(a):
> On 17/03/2021 16:43, Maxime Ripard wrote:
> > The atomic_get_output_bus_fmts bridge callback is there to list the
> > available formats for output by decreasing order of preference.
> > 
> > On HDMI controllers, we have a fairly static list that will depend on
> > what the HDMI sink is capable of and the BPC our controller can output.
> > 
> > The dw-hdmi driver already has that code done in a fairly generic
> > manner, so let's turn that code into an helper for all the HDMI
> > controllers to reuse.
> 
> This code was based on the capabilities of the DW-HDMI IP, copying it as-is
> doesn't make much sense, we should be able to filter out formats the HDMI IP
> doesn't support.

HDMI standard has pretty strict requirements which formats should be 
supported, so cores should have very similar capabilities.

Best regards,
Jernej


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  reply	other threads:[~2021-03-18 18:31 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-17 15:43 [PATCH 00/18] drm/vc4: hdmi: Add Support for the YUV output Maxime Ripard
2021-03-17 15:43 ` [PATCH 01/18] drm: Introduce new HDMI helpers Maxime Ripard
2021-04-09  7:16   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 02/18] drm/bridge: Add HDMI output fmt helper Maxime Ripard
2021-03-17 16:08   ` Neil Armstrong
2021-03-18 18:31     ` Jernej Škrabec [this message]
2021-03-19  9:44       ` Neil Armstrong
2021-03-19 10:09         ` Maxime Ripard
2021-04-09  8:03   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 03/18] drm/bridge: dw-hdmi: Use helpers Maxime Ripard
2021-04-09  8:05   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 04/18] drm/vc4: txp: Properly set the possible_crtcs mask Maxime Ripard
2021-04-09  8:07   ` Thomas Zimmermann
2021-04-09  8:11   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 05/18] drm/vc4: crtc: Skip the TXP Maxime Ripard
2021-04-09  8:10   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 06/18] drm/vc4: Rework the encoder retrieval code Maxime Ripard
2021-03-17 18:09   ` kernel test robot
2021-03-20  1:08   ` kernel test robot
2021-04-09  8:54   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 07/18] drm/vc4: hdmi: Add full range RGB helper Maxime Ripard
2021-04-12  9:44   ` Thomas Zimmermann
2021-04-14 13:48     ` Maxime Ripard
2021-03-17 15:43 ` [PATCH 08/18] drm/vc4: hdmi: Use full range helper in csc functions Maxime Ripard
2021-04-12  9:45   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 09/18] drm/vc4: hdmi: Remove limited_rgb_range Maxime Ripard
2021-04-12 10:19   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 10/18] drm/vc4: hdmi: Convert to bridge Maxime Ripard
2021-04-12 10:21   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 11/18] drm/vc4: hdmi: Move XBAR setup to csc_setup Maxime Ripard
2021-04-12 10:28   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 12/18] drm/vc4: hdmi: Replace CSC_CTL hardcoded value by defines Maxime Ripard
2021-04-12 10:28   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 13/18] drm/vc4: hdmi: Define colorspace matrices Maxime Ripard
2021-04-14 13:54   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 14/18] drm/vc4: hdmi: Change CSC callback prototype Maxime Ripard
2021-04-14 13:56   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 15/18] drm/vc4: hdmi: Rework the infoframe prototype Maxime Ripard
2021-04-14 13:58   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 16/18] drm/vc4: hdmi: Support HDMI YUV output Maxime Ripard
2021-04-15  6:43   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 17/18] drm/vc4: hdmi: Move the pixel rate calculation to a helper Maxime Ripard
2021-04-15  7:19   ` Thomas Zimmermann
2021-03-17 15:43 ` [PATCH 18/18] drm/vc4: hdmi: Force YUV422 if the rate is too high Maxime Ripard
2021-04-15  7:24   ` Thomas Zimmermann
2021-03-18 18:16 ` [PATCH 00/18] drm/vc4: hdmi: Add Support for the YUV output Jernej Škrabec
2021-03-19 10:13   ` Maxime Ripard
2021-04-09  9:47   ` Neil Armstrong

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