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drm/mgag200: Extract device type from flags

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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: 81da87f63a ("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
This commit is contained in:
Thomas Zimmermann 2019-11-26 11:15:27 +01:00
parent 9786b65bc6
commit 3a8a5aba14
2 changed files with 8 additions and 1 deletions
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7
drivers/gpu/drm/mgag200/mgag200_drv.h
View File

@ -150,6 +150,8 @@ enum mga_type {
G200_EW3, G200_EW3,
}; };
#define MGAG200_TYPE_MASK (0x000000ff)
#define IS_G200_SE(mdev) (mdev->type == G200_SE_A || mdev->type == G200_SE_B) #define IS_G200_SE(mdev) (mdev->type == G200_SE_A || mdev->type == G200_SE_B)
struct mga_device { struct mga_device {
@ -181,6 +183,11 @@ struct mga_device {
u32 unique_rev_id; 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 */ /* mgag200_mode.c */
int mgag200_modeset_init(struct mga_device *mdev); int mgag200_modeset_init(struct mga_device *mdev);
void mgag200_modeset_fini(struct mga_device *mdev); void mgag200_modeset_fini(struct mga_device *mdev);

2
drivers/gpu/drm/mgag200/mgag200_main.c
View File

@ -94,7 +94,7 @@ static int mgag200_device_init(struct drm_device *dev,
struct mga_device *mdev = dev->dev_private; struct mga_device *mdev = dev->dev_private;
int ret, option; int ret, option;
mdev->type = flags; mdev->type = mgag200_type_from_driver_data(flags);
/* Hardcode the number of CRTCs to 1 */ /* Hardcode the number of CRTCs to 1 */
mdev->num_crtc = 1; mdev->num_crtc = 1;