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authorThomas Zimmermann <tzimmermann@suse.de>2019-11-26 13:15:27 +0300
committerThomas Zimmermann <tzimmermann@suse.de>2019-11-27 10:10:50 +0300
commit3a8a5aba142a44eaeba0cb0ec1b4a8f177b5e59a (patch)
tree1dfc4c90d28eac90bd14d01c0a28fec089cae503 /drivers/gpu/drm/mgag200
parent9786b65bc61acec63f923978c75e707afbb74bc7 (diff)
downloadlinux-3a8a5aba142a44eaeba0cb0ec1b4a8f177b5e59a.tar.xz
drm/mgag200: Extract device type from flags
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 <tzimmermann@suse.de> Fixes: 81da87f63a1e ("drm: Replace drm_gem_vram_push_to_system() with kunmap + unpin") Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: John Donnelly <john.p.donnelly@oracle.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Dave Airlie <airlied@redhat.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Maxime Ripard <mripard@kernel.org> Cc: David Airlie <airlied@linux.ie> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Emil Velikov <emil.velikov@collabora.com> Cc: "Y.C. Chen" <yc_chen@aspeedtech.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: "José Roberto de Souza" <jose.souza@intel.com> Cc: Andrzej Pietrasiewicz <andrzej.p@collabora.com> Cc: dri-devel@lists.freedesktop.org Cc: <stable@vger.kernel.org> # v5.3+ Link: https://patchwork.freedesktop.org/patch/msgid/20191126101529.20356-2-tzimmermann@suse.de
Diffstat (limited to 'drivers/gpu/drm/mgag200')
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_drv.h7
-rw-r--r--drivers/gpu/drm/mgag200/mgag200_main.c2
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h
index 0ea9a525e57d..976404634092 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.h
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.h
@@ -150,6 +150,8 @@ 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 {
@@ -181,6 +183,11 @@ 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);
diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c
index 5f74aabcd3df..517c5693ad69 100644
--- 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 drm_device *dev,
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;