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Tue, 11 Sep 2018 00:42:30 -0700 (PDT) Date: Tue, 11 Sep 2018 09:42:28 +0200 From: Daniel Vetter To: Bartlomiej Zolnierkiewicz Cc: Daniel Vetter , DRI Development , Intel Graphics Development , LKML , Ben Skeggs , Greg Kroah-Hartman , Hans de Goede , Alexander Kapshuk , Kees Cook , Thierry Reding , David Lechner , nouveau@lists.freedesktop.org, linux-fbdev@vger.kernel.org, Daniel Vetter Subject: Re: [PATCH 1/4] fbdev: Drop FBINFO_CAN_FORCE_OUTPUT flag Message-ID: <20180911074228.GI19774@phenom.ffwll.local> Mail-Followup-To: Bartlomiej Zolnierkiewicz , DRI Development , Intel Graphics Development , LKML , Ben Skeggs , Greg Kroah-Hartman , Hans de Goede , Alexander Kapshuk , Kees Cook , Thierry Reding , David Lechner , nouveau@lists.freedesktop.org, linux-fbdev@vger.kernel.org, Daniel Vetter References: <20180822085405.10787-1-daniel.vetter@ffwll.ch> <20180910124845eucas1p1b51674cd657757aadf5138e277e57ebe~TCsHYsLqt1779917799eucas1p18@eucas1p1.samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180910124845eucas1p1b51674cd657757aadf5138e277e57ebe~TCsHYsLqt1779917799eucas1p18@eucas1p1.samsung.com> X-Operating-System: Linux phenom 4.14.0-3-amd64 User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 10, 2018 at 02:48:43PM +0200, Bartlomiej Zolnierkiewicz wrote: > > On 08/22/2018 10:54 AM, Daniel Vetter wrote: > > This was only added for the drm's fbdev emulation support, so that it > > would try harder to show the Oops. > > > > Unfortunately this never really worked reliably, and in practice ended > > up pushing the real Oops off the screen due to plentyfull locking, > > sleep-while-atomic and other issues. So we removed all that support > > from the fbdev emulation a while back. Aside: We've also removed the > > kgdb support, for similar reasons. > > > > Since it's such a small patch I figured I don't split this up into the > > usual 3-phase removal. > > > > Cc: Ben Skeggs > > Cc: Bartlomiej Zolnierkiewicz > > Cc: Greg Kroah-Hartman > > Cc: Hans de Goede > > Cc: Daniel Vetter > > Cc: Alexander Kapshuk > > Cc: Kees Cook > > Cc: Thierry Reding > > Cc: David Lechner > > Cc: nouveau@lists.freedesktop.org > > Cc: linux-fbdev@vger.kernel.org > > Signed-off-by: Daniel Vetter > > Acked-by: Bartlomiej Zolnierkiewicz Ack for merging the entire series through drm-misc-next? -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Date: Tue, 11 Sep 2018 07:42:28 +0000 Subject: Re: [PATCH 1/4] fbdev: Drop FBINFO_CAN_FORCE_OUTPUT flag Message-Id: <20180911074228.GI19774@phenom.ffwll.local> List-Id: References: <20180822085405.10787-1-daniel.vetter@ffwll.ch> <20180910124845eucas1p1b51674cd657757aadf5138e277e57ebe~TCsHYsLqt1779917799eucas1p18@eucas1p1.samsung.com> In-Reply-To: <20180910124845eucas1p1b51674cd657757aadf5138e277e57ebe~TCsHYsLqt1779917799eucas1p18@eucas1p1.samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Bartlomiej Zolnierkiewicz Cc: linux-fbdev@vger.kernel.org, Alexander Kapshuk , Daniel Vetter , Intel Graphics Development , LKML , DRI Development , Hans de Goede , Ben Skeggs , Greg Kroah-Hartman , nouveau@lists.freedesktop.org, Daniel Vetter , David Lechner , Thierry Reding , Kees Cook On Mon, Sep 10, 2018 at 02:48:43PM +0200, Bartlomiej Zolnierkiewicz wrote: > > On 08/22/2018 10:54 AM, Daniel Vetter wrote: > > This was only added for the drm's fbdev emulation support, so that it > > would try harder to show the Oops. > > > > Unfortunately this never really worked reliably, and in practice ended > > up pushing the real Oops off the screen due to plentyfull locking, > > sleep-while-atomic and other issues. So we removed all that support > > from the fbdev emulation a while back. Aside: We've also removed the > > kgdb support, for similar reasons. > > > > Since it's such a small patch I figured I don't split this up into the > > usual 3-phase removal. > > > > Cc: Ben Skeggs > > Cc: Bartlomiej Zolnierkiewicz > > Cc: Greg Kroah-Hartman > > Cc: Hans de Goede > > Cc: Daniel Vetter > > Cc: Alexander Kapshuk > > Cc: Kees Cook > > Cc: Thierry Reding > > Cc: David Lechner > > Cc: nouveau@lists.freedesktop.org > > Cc: linux-fbdev@vger.kernel.org > > Signed-off-by: Daniel Vetter > > Acked-by: Bartlomiej Zolnierkiewicz Ack for merging the entire series through drm-misc-next? -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH 1/4] fbdev: Drop FBINFO_CAN_FORCE_OUTPUT flag Date: Tue, 11 Sep 2018 09:42:28 +0200 Message-ID: <20180911074228.GI19774@phenom.ffwll.local> References: <20180822085405.10787-1-daniel.vetter@ffwll.ch> <20180910124845eucas1p1b51674cd657757aadf5138e277e57ebe~TCsHYsLqt1779917799eucas1p18@eucas1p1.samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <20180910124845eucas1p1b51674cd657757aadf5138e277e57ebe~TCsHYsLqt1779917799eucas1p18@eucas1p1.samsung.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Bartlomiej Zolnierkiewicz Cc: linux-fbdev@vger.kernel.org, Alexander Kapshuk , Daniel Vetter , Intel Graphics Development , LKML , DRI Development , Hans de Goede , Ben Skeggs , Greg Kroah-Hartman , nouveau@lists.freedesktop.org, Daniel Vetter , David Lechner , Thierry Reding , Kees Cook List-Id: nouveau.vger.kernel.org T24gTW9uLCBTZXAgMTAsIDIwMTggYXQgMDI6NDg6NDNQTSArMDIwMCwgQmFydGxvbWllaiBab2xu aWVya2lld2ljeiB3cm90ZToKPiAKPiBPbiAwOC8yMi8yMDE4IDEwOjU0IEFNLCBEYW5pZWwgVmV0 dGVyIHdyb3RlOgo+ID4gVGhpcyB3YXMgb25seSBhZGRlZCBmb3IgdGhlIGRybSdzIGZiZGV2IGVt dWxhdGlvbiBzdXBwb3J0LCBzbyB0aGF0IGl0Cj4gPiB3b3VsZCB0cnkgaGFyZGVyIHRvIHNob3cg dGhlIE9vcHMuCj4gPiAKPiA+IFVuZm9ydHVuYXRlbHkgdGhpcyBuZXZlciByZWFsbHkgd29ya2Vk IHJlbGlhYmx5LCBhbmQgaW4gcHJhY3RpY2UgZW5kZWQKPiA+IHVwIHB1c2hpbmcgdGhlIHJlYWwg T29wcyBvZmYgdGhlIHNjcmVlbiBkdWUgdG8gcGxlbnR5ZnVsbCBsb2NraW5nLAo+ID4gc2xlZXAt d2hpbGUtYXRvbWljIGFuZCBvdGhlciBpc3N1ZXMuIFNvIHdlIHJlbW92ZWQgYWxsIHRoYXQgc3Vw cG9ydAo+ID4gZnJvbSB0aGUgZmJkZXYgZW11bGF0aW9uIGEgd2hpbGUgYmFjay4gQXNpZGU6IFdl J3ZlIGFsc28gcmVtb3ZlZCB0aGUKPiA+IGtnZGIgc3VwcG9ydCwgZm9yIHNpbWlsYXIgcmVhc29u cy4KPiA+IAo+ID4gU2luY2UgaXQncyBzdWNoIGEgc21hbGwgcGF0Y2ggSSBmaWd1cmVkIEkgZG9u J3Qgc3BsaXQgdGhpcyB1cCBpbnRvIHRoZQo+ID4gdXN1YWwgMy1waGFzZSByZW1vdmFsLgo+ID4g Cj4gPiBDYzogQmVuIFNrZWdncyA8YnNrZWdnc0ByZWRoYXQuY29tPgo+ID4gQ2M6IEJhcnRsb21p ZWogWm9sbmllcmtpZXdpY3ogPGIuem9sbmllcmtpZUBzYW1zdW5nLmNvbT4KPiA+IENjOiBHcmVn IEtyb2FoLUhhcnRtYW4gPGdyZWdraEBsaW51eGZvdW5kYXRpb24ub3JnPgo+ID4gQ2M6IEhhbnMg ZGUgR29lZGUgPGhkZWdvZWRlQHJlZGhhdC5jb20+Cj4gPiBDYzogRGFuaWVsIFZldHRlciA8ZGFu aWVsLnZldHRlckBmZndsbC5jaD4KPiA+IENjOiBBbGV4YW5kZXIgS2Fwc2h1ayA8YWxleGFuZGVy LmthcHNodWtAZ21haWwuY29tPgo+ID4gQ2M6IEtlZXMgQ29vayA8a2Vlc2Nvb2tAY2hyb21pdW0u b3JnPgo+ID4gQ2M6IFRoaWVycnkgUmVkaW5nIDx0cmVkaW5nQG52aWRpYS5jb20+Cj4gPiBDYzog RGF2aWQgTGVjaG5lciA8ZGF2aWRAbGVjaG5vbG9neS5jb20+Cj4gPiBDYzogbm91dmVhdUBsaXN0 cy5mcmVlZGVza3RvcC5vcmcKPiA+IENjOiBsaW51eC1mYmRldkB2Z2VyLmtlcm5lbC5vcmcKPiA+ IFNpZ25lZC1vZmYtYnk6IERhbmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAaW50ZWwuY29tPgo+ IAo+IEFja2VkLWJ5OiBCYXJ0bG9taWVqIFpvbG5pZXJraWV3aWN6IDxiLnpvbG5pZXJraWVAc2Ft c3VuZy5jb20+CgpBY2sgZm9yIG1lcmdpbmcgdGhlIGVudGlyZSBzZXJpZXMgdGhyb3VnaCBkcm0t bWlzYy1uZXh0PwotRGFuaWVsCi0tIApEYW5pZWwgVmV0dGVyClNvZnR3YXJlIEVuZ2luZWVyLCBJ bnRlbCBDb3Jwb3JhdGlvbgpodHRwOi8vYmxvZy5mZndsbC5jaApfX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVs LWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK