From: Thomas Zimmermann <tzimmermann@suse.de>
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>,
Jernej Skrabec <jernej.skrabec@siol.net>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Neil Armstrong <narmstrong@baylibre.com>,
Jonas Karlman <jonas@kwiboo.se>
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: [PATCH 05/18] drm/vc4: crtc: Skip the TXP
Date: Fri, 9 Apr 2021 10:10:53 +0200 [thread overview]
Message-ID: <8398d74b-a97c-a14b-5d07-163a1a596eb4@suse.de> (raw)
In-Reply-To: <20210317154352.732095-6-maxime@cerno.tech>
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Am 17.03.21 um 16:43 schrieb Maxime Ripard:
> The vc4_set_crtc_possible_masks is meant to run over all the encoders
> and then set their possible_crtcs mask to their associated pixelvalve.
>
> However, since the commit 39fcb2808376 ("drm/vc4: txp: Turn the TXP into
> a CRTC of its own"), the TXP has been turned to a CRTC and encoder of
> its own, and while it does indeed register an encoder, it no longer has
> an associated pixelvalve. The code will thus run over the TXP encoder
> and set a bogus possible_crtcs mask, overriding the one set in the TXP
> bind function.
>
> In order to fix this, let's skip any virtual encoder.
>
> Fixes: 39fcb2808376 ("drm/vc4: txp: Turn the TXP into a CRTC of its own")
> Signed-off-by: Maxime Ripard <maxime@cerno.tech>
dim fixes 39fcb2808376
Fixes: 39fcb2808376 ("drm/vc4: txp: Turn the TXP into a CRTC of its own")
Cc: Maxime Ripard <maxime@cerno.tech>
Cc: Eric Anholt <eric@anholt.net>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: <stable@vger.kernel.org> # v5.9+
At least the CC: stable line should be there.
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
> ---
> drivers/gpu/drm/vc4/vc4_crtc.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
> index 269390bc586e..f1f2e8cbce79 100644
> --- a/drivers/gpu/drm/vc4/vc4_crtc.c
> +++ b/drivers/gpu/drm/vc4/vc4_crtc.c
> @@ -1018,6 +1018,9 @@ static void vc4_set_crtc_possible_masks(struct drm_device *drm,
> struct vc4_encoder *vc4_encoder;
> int i;
>
> + if (encoder->encoder_type == DRM_MODE_ENCODER_VIRTUAL)
> + continue;
> +
> vc4_encoder = to_vc4_encoder(encoder);
> for (i = 0; i < ARRAY_SIZE(pv_data->encoder_types); i++) {
> if (vc4_encoder->type == encoder_types[i]) {
>
--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer
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next prev parent reply other threads:[~2021-04-09 8:10 UTC|newest]
Thread overview: 46+ 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
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 [this message]
2021-03-17 15:43 ` [PATCH 06/18] drm/vc4: Rework the encoder retrieval code Maxime Ripard
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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