Re: IGNORE -- Patch "drm/mgag200: Flag all G200 SE A machines as broken wrt <startadd>" has been added to the 5.4-stable tree

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I discovered I was missing a commit  when I merged . 


This series is fine .



> On Dec 19, 2019, at 12:24 PM, John Donnelly <john.p.donnelly@xxxxxxxxxx> wrote:
> 
> Hi 
> 
> I am having difficulties with this patch on : 5.4.2  variant ;  The system is not booting with these patches applied. 
> 
> I had verified a prototype of the patch on 5.4.0-rc8 ;    
> 
> I am currently debugging it ,  but I will be OoO until 1/6/2020 after today .
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
>> On Dec 19, 2019, at 5:37 AM, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
>> 
>> 
>> This is a note to let you know that I've just added the patch titled
>> 
>>   drm/mgag200: Flag all G200 SE A machines as broken wrt <startadd>
>> 
>> to the 5.4-stable tree which can be found at:
>>   https://urldefense.proofpoint.com/v2/url?u=http-3A__www.kernel.org_git_-3Fp-3Dlinux_kernel_git_stable_stable-2Dqueue.git-3Ba-3Dsummary&d=DwIDaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=t2fPg9D87F7D8jm0_3CG9yoiIKdRg4qc_thBw4bzMhc&m=Nb5EnzCYEqUCU43_FPM930DrN6A-OrVBoIvQhl3A6xo&s=mqHE1ETbyuc9Qg_WHNUzDRBGo073QFCYwTAxpxXEQJU&e= 
>> 
>> The filename of the patch is:
>>    drm-mgag200-flag-all-g200-se-a-machines-as-broken-wrt-startadd.patch
>> and it can be found in the queue-5.4 subdirectory.
>> 
>> If you, or anyone else, feels it should not be added to the stable tree,
>> please let <stable@xxxxxxxxxxxxxxx> know about it.
>> 
>> 
>> From 4adf0b49eea926a55fd956ef7d86750f771435ff Mon Sep 17 00:00:00 2001
>> From: Thomas Zimmermann <tzimmermann@xxxxxxx>
>> Date: Fri, 6 Dec 2019 09:19:01 +0100
>> Subject: drm/mgag200: Flag all G200 SE A machines as broken wrt <startadd>
>> MIME-Version: 1.0
>> Content-Type: text/plain; charset=UTF-8
>> Content-Transfer-Encoding: 8bit
>> 
>> From: Thomas Zimmermann <tzimmermann@xxxxxxx>
>> 
>> commit 4adf0b49eea926a55fd956ef7d86750f771435ff upstream.
>> 
>> Several MGA G200 SE machines don't respect the value of the startadd
>> register field. After more feedback on affected machines, neither PCI
>> subvendor ID nor the internal ID seem to hint towards the bug. All
>> affected machines have a PCI ID of 0x0522 (i.e., G200 SE A). It was
>> decided to flag all G200 SE A machines as broken.
>> 
>> Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
>> Acked-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
>> Fixes: 1591fadf857c ("drm/mgag200: Add workaround for HW that does not support 'startadd'")
>> Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
>> Cc: John Donnelly <john.p.donnelly@xxxxxxxxxx>
>> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
>> Cc: Gerd Hoffmann <kraxel@xxxxxxxxxx>
>> Cc: Dave Airlie <airlied@xxxxxxxxxx>
>> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
>> Cc: Maxime Ripard <mripard@xxxxxxxxxx>
>> Cc: David Airlie <airlied@xxxxxxxx>
>> Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>
>> Cc: "Y.C. Chen" <yc_chen@xxxxxxxxxxxxxx>
>> Cc: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
>> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
>> Cc: "José Roberto de Souza" <jose.souza@xxxxxxxxx>
>> Cc: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxxxx>
>> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
>> Cc: <stable@xxxxxxxxxxxxxxx> # v5.3+
>> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>> Cc: Allison Randal <allison@xxxxxxxxxxx>
>> Cc: Alex Deucher <alexander.deucher@xxxxxxx>
>> Cc: "Noralf Trønnes" <noralf@xxxxxxxxxxx>
>> Link: https://urldefense.proofpoint.com/v2/url?u=https-3A__patchwork.freedesktop.org_patch_msgid_20191206081901.9938-2D1-2Dtzimmermann-40suse.de&d=DwIDaQ&c=RoP1YumCXCgaWHvlZYR8PZh8Bv7qIrMUB65eapI_JnE&r=t2fPg9D87F7D8jm0_3CG9yoiIKdRg4qc_thBw4bzMhc&m=Nb5EnzCYEqUCU43_FPM930DrN6A-OrVBoIvQhl3A6xo&s=hkr0WOmd31sveBOYMZnLk8Sb2ujD-JxnYwjeSLBw9cA&e= 
>> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>> 
>> ---
>> drivers/gpu/drm/mgag200/mgag200_drv.c |    3 +--
>> 1 file changed, 1 insertion(+), 2 deletions(-)
>> 
>> --- a/drivers/gpu/drm/mgag200/mgag200_drv.c
>> +++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
>> @@ -30,9 +30,8 @@ module_param_named(modeset, mgag200_mode
>> static struct drm_driver driver;
>> 
>> static const struct pci_device_id pciidlist[] = {
>> -	{ PCI_VENDOR_ID_MATROX, 0x522, PCI_VENDOR_ID_SUN, 0x4852, 0, 0,
>> +	{ PCI_VENDOR_ID_MATROX, 0x522, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
>> 		G200_SE_A | MGAG200_FLAG_HW_BUG_NO_STARTADD},
>> -	{ PCI_VENDOR_ID_MATROX, 0x522, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_A },
>> 	{ PCI_VENDOR_ID_MATROX, 0x524, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_B },
>> 	{ PCI_VENDOR_ID_MATROX, 0x530, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EV },
>> 	{ PCI_VENDOR_ID_MATROX, 0x532, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_WB },
>> 
>> 
>> Patches currently in stable-queue which might be from tzimmermann@xxxxxxx are
>> 
>> queue-5.4/drm-mgag200-flag-all-g200-se-a-machines-as-broken-wrt-startadd.patch
>> queue-5.4/drm-mgag200-store-flags-from-pci-driver-data-in-device-structure.patch
>> queue-5.4/drm-mgag200-add-workaround-for-hw-that-does-not-support-startadd.patch
>> queue-5.4/drm-mgag200-extract-device-type-from-flags.patch
> 

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