This is a note to let you know that I've just added the patch titled
drm/mgag200: Extract device type from flags
to the 5.4-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-mgag200-extract-device-type-from-flags.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 <sta...@vger.kernel.org> know about it.
From 3a8a5aba142a44eaeba0cb0ec1b4a8f177b5e59a Mon Sep 17 00:00:00 2001
From: Thomas Zimmermann <tzimmerm...@suse.de>
Date: Tue, 26 Nov 2019 11:15:27 +0100
Subject: drm/mgag200: Extract device type from flags
MIME-Version: 1.0
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From: Thomas Zimmermann <tzimmerm...@suse.de>
commit 3a8a5aba142a44eaeba0cb0ec1b4a8f177b5e59a upstream.
Adds a conversion function that extracts the device type from the
PCI id-table flags. Allows for storing additional information in the
other flag bits.
Signed-off-by: Thomas Zimmermann <tzimmerm...@suse.de>
Fixes: 81da87f63a1e ("drm: Replace drm_gem_vram_push_to_system() with kunmap +
unpin")
Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch>
Cc: John Donnelly <john.p.donne...@oracle.com>
Cc: Gerd Hoffmann <kra...@redhat.com>
Cc: Dave Airlie <airl...@redhat.com>
Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Cc: Maxime Ripard <mrip...@kernel.org>
Cc: David Airlie <airl...@linux.ie>
Cc: Sam Ravnborg <s...@ravnborg.org>
Cc: Emil Velikov <emil.veli...@collabora.com>
Cc: "Y.C. Chen" <yc_c...@aspeedtech.com>
Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Cc: "José Roberto de Souza" <jose.so...@intel.com>
Cc: Andrzej Pietrasiewicz <andrze...@collabora.com>
Cc: dri-devel@lists.freedesktop.org
Cc: <sta...@vger.kernel.org> # v5.3+
Link:
https://patchwork.freedesktop.org/patch/msgid/20191126101529.20356-2-tzimmerm...@suse.de
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/gpu/drm/mgag200/mgag200_drv.h | 7 +++++++
drivers/gpu/drm/mgag200/mgag200_main.c | 2 +-
2 files changed, 8 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -159,6 +159,8 @@ enum mga_type {
G200_EW3,
};
+#define MGAG200_TYPE_MASK (0x000000ff)
+
#define IS_G200_SE(mdev) (mdev->type == G200_SE_A || mdev->type == G200_SE_B)
struct mga_device {
@@ -188,6 +190,11 @@ struct mga_device {
u32 unique_rev_id;
};
+static inline enum mga_type
+mgag200_type_from_driver_data(kernel_ulong_t driver_data)
+{
+ return (enum mga_type)(driver_data & MGAG200_TYPE_MASK);
+}
/* mgag200_mode.c */
int mgag200_modeset_init(struct mga_device *mdev);
void mgag200_modeset_fini(struct mga_device *mdev);
--- a/drivers/gpu/drm/mgag200/mgag200_main.c
+++ b/drivers/gpu/drm/mgag200/mgag200_main.c
@@ -94,7 +94,7 @@ static int mgag200_device_init(struct dr
struct mga_device *mdev = dev->dev_private;
int ret, option;
- mdev->type = flags;
+ mdev->type = mgag200_type_from_driver_data(flags);
/* Hardcode the number of CRTCs to 1 */
mdev->num_crtc = 1;
Patches currently in stable-queue which might be from tzimmerm...@suse.de 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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