From: Daniel Vetter <daniel@ffwll.ch> To: Eric Anholt <eric@anholt.net> Cc: dri-devel <dri-devel@lists.freedesktop.org>, Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org> Subject: Re: [PATCH 2/3] drm/vc4: Don't try to initialize FBDEV if we're only bound to V3D. Date: Wed, 19 Apr 2017 06:59:59 +0200 [thread overview] Message-ID: <CAKMK7uFSsA3c+wMfq_O9kSvu0cWLUA-bRqTHyryqi+1ZVeir_w@mail.gmail.com> (raw) In-Reply-To: <20170418191157.18517-2-eric@anholt.net> On Tue, Apr 18, 2017 at 9:11 PM, Eric Anholt <eric@anholt.net> wrote: > The FBDEV initialization would throw an error in dmesg, when we just > want to silently not initialize fbdev on a V3D-only VC4 instance. > > Signed-off-by: Eric Anholt <eric@anholt.net> Hm, this shouldn't be an error really, you might want to hotplug more connectors later on. What exactly complains? -Daniel > --- > drivers/gpu/drm/vc4/vc4_kms.c | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c > index ad7925a9e0ea..237a504f11f0 100644 > --- a/drivers/gpu/drm/vc4/vc4_kms.c > +++ b/drivers/gpu/drm/vc4/vc4_kms.c > @@ -230,10 +230,12 @@ int vc4_kms_load(struct drm_device *dev) > > drm_mode_config_reset(dev); > > - vc4->fbdev = drm_fbdev_cma_init(dev, 32, > - dev->mode_config.num_connector); > - if (IS_ERR(vc4->fbdev)) > - vc4->fbdev = NULL; > + if (dev->mode_config.num_connector) { > + vc4->fbdev = drm_fbdev_cma_init(dev, 32, > + dev->mode_config.num_connector); > + if (IS_ERR(vc4->fbdev)) > + vc4->fbdev = NULL; > + } > > drm_kms_helper_poll_init(dev); > > -- > 2.11.0 > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch
WARNING: multiple messages have this Message-ID (diff)
From: Daniel Vetter <daniel@ffwll.ch> To: Eric Anholt <eric@anholt.net> Cc: Mark Rutland <mark.rutland@arm.com>, "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>, Rob Herring <robh+dt@kernel.org>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, dri-devel <dri-devel@lists.freedesktop.org> Subject: Re: [PATCH 2/3] drm/vc4: Don't try to initialize FBDEV if we're only bound to V3D. Date: Wed, 19 Apr 2017 06:59:59 +0200 [thread overview] Message-ID: <CAKMK7uFSsA3c+wMfq_O9kSvu0cWLUA-bRqTHyryqi+1ZVeir_w@mail.gmail.com> (raw) In-Reply-To: <20170418191157.18517-2-eric@anholt.net> On Tue, Apr 18, 2017 at 9:11 PM, Eric Anholt <eric@anholt.net> wrote: > The FBDEV initialization would throw an error in dmesg, when we just > want to silently not initialize fbdev on a V3D-only VC4 instance. > > Signed-off-by: Eric Anholt <eric@anholt.net> Hm, this shouldn't be an error really, you might want to hotplug more connectors later on. What exactly complains? -Daniel > --- > drivers/gpu/drm/vc4/vc4_kms.c | 10 ++++++---- > 1 file changed, 6 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c > index ad7925a9e0ea..237a504f11f0 100644 > --- a/drivers/gpu/drm/vc4/vc4_kms.c > +++ b/drivers/gpu/drm/vc4/vc4_kms.c > @@ -230,10 +230,12 @@ int vc4_kms_load(struct drm_device *dev) > > drm_mode_config_reset(dev); > > - vc4->fbdev = drm_fbdev_cma_init(dev, 32, > - dev->mode_config.num_connector); > - if (IS_ERR(vc4->fbdev)) > - vc4->fbdev = NULL; > + if (dev->mode_config.num_connector) { > + vc4->fbdev = drm_fbdev_cma_init(dev, 32, > + dev->mode_config.num_connector); > + if (IS_ERR(vc4->fbdev)) > + vc4->fbdev = NULL; > + } > > drm_kms_helper_poll_init(dev); > > -- > 2.11.0 > > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
next prev parent reply other threads:[~2017-04-19 5:00 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-04-18 19:11 [PATCH 1/3] drm/vc4: Turn the V3D clock on at runtime Eric Anholt 2017-04-18 19:11 ` Eric Anholt 2017-04-18 19:11 ` [PATCH 2/3] drm/vc4: Don't try to initialize FBDEV if we're only bound to V3D Eric Anholt 2017-04-18 19:11 ` Eric Anholt 2017-04-19 4:59 ` Daniel Vetter [this message] 2017-04-19 4:59 ` Daniel Vetter 2017-04-19 17:55 ` Eric Anholt 2017-04-19 17:55 ` Eric Anholt 2017-04-19 19:36 ` Daniel Vetter 2017-04-19 19:36 ` Daniel Vetter 2017-04-21 22:53 ` Eric Anholt 2017-04-21 22:53 ` Eric Anholt 2017-04-24 14:26 ` Alex Deucher 2017-04-24 14:26 ` Alex Deucher 2017-05-02 8:16 ` Daniel Vetter 2017-05-02 8:16 ` Daniel Vetter 2017-04-18 19:11 ` [PATCH 3/3] drm/vc4: Add specific compatible strings for Cygnus Eric Anholt 2017-04-18 19:11 ` Eric Anholt 2017-04-20 20:33 ` Rob Herring 2017-04-20 20:33 ` Rob Herring 2017-04-18 19:23 ` [PATCH 1/3] drm/vc4: Turn the V3D clock on at runtime Eric Anholt 2017-04-18 19:23 ` Eric Anholt 2017-04-18 23:38 ` [PATCH 1/3 v2] " Eric Anholt 2017-04-18 23:38 ` Eric Anholt 2017-04-18 23:48 ` Florian Fainelli 2017-04-18 23:48 ` Florian Fainelli 2017-04-19 0:02 ` Eric Anholt 2017-04-19 0:02 ` Eric Anholt 2017-04-19 0:02 ` Eric Anholt 2017-04-19 0:02 ` Eric Anholt 2017-04-24 20:12 ` [PATCH 1/3 v3] " Eric Anholt 2017-04-24 20:12 ` Eric Anholt 2017-04-28 18:29 ` Rob Herring 2017-04-28 18:29 ` Rob Herring 2017-04-28 21:41 ` Eric Anholt 2017-04-28 21:41 ` Eric Anholt
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