This is a note to let you know that I've just added the patch titled
drm/radeon: handle non-VGA class pci devices with ATRM
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-radeon-handle-non-vga-class-pci-devices-with-atrm.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From d8ade3526b2aa0505132c404c05a38b73ea15490 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexdeucher@xxxxxxxxx>
Date: Thu, 8 May 2014 20:04:03 -0400
Subject: drm/radeon: handle non-VGA class pci devices with ATRM
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From: Alex Deucher <alexdeucher@xxxxxxxxx>
commit d8ade3526b2aa0505132c404c05a38b73ea15490 upstream.
Newer PX systems have non-VGA pci class dGPUs. Update
the ATRM fetch method to handle those cases.
bug:
https://bugzilla.kernel.org/show_bug.cgi?id=75401
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_bios.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -196,6 +196,20 @@ static bool radeon_atrm_get_bios(struct
}
}
+ if (!found) {
+ while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_OTHER << 8, pdev)) != NULL) {
+ dhandle = ACPI_HANDLE(&pdev->dev);
+ if (!dhandle)
+ continue;
+
+ status = acpi_get_handle(dhandle, "ATRM", &atrm_handle);
+ if (!ACPI_FAILURE(status)) {
+ found = true;
+ break;
+ }
+ }
+ }
+
if (!found)
return false;
Patches currently in stable-queue which might be from alexdeucher@xxxxxxxxx are
queue-3.14/drm-radeon-pm-don-t-allow-debugfs-sysfs-access-when-px-card-is-off-v2.patch
queue-3.14/drm-radeon-handle-non-vga-class-pci-devices-with-atrm.patch
queue-3.14/drm-radeon-fix-register-typo-on-si.patch
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