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Kirill Smelkov
linux
Commits
4df5ac26
Commit
4df5ac26
authored
May 14, 2013
by
Alex Deucher
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drm/radeon: add r600_get_pcie_lane_support helper
Signed-off-by:
Alex Deucher
<
alexander.deucher@amd.com
>
parent
96d2af21
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+27
-0
drivers/gpu/drm/radeon/r600_dpm.c
drivers/gpu/drm/radeon/r600_dpm.c
+23
-0
drivers/gpu/drm/radeon/r600_dpm.h
drivers/gpu/drm/radeon/r600_dpm.h
+4
-0
No files found.
drivers/gpu/drm/radeon/r600_dpm.c
View file @
4df5ac26
...
...
@@ -1223,3 +1223,26 @@ enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev,
}
return
RADEON_PCIE_GEN1
;
}
u16
r600_get_pcie_lane_support
(
struct
radeon_device
*
rdev
,
u16
asic_lanes
,
u16
default_lanes
)
{
switch
(
asic_lanes
)
{
case
0
:
default:
return
default_lanes
;
case
1
:
return
1
;
case
2
:
return
2
;
case
4
:
return
4
;
case
8
:
return
8
;
case
12
:
return
12
;
case
16
:
return
16
;
}
}
drivers/gpu/drm/radeon/r600_dpm.h
View file @
4df5ac26
...
...
@@ -224,4 +224,8 @@ enum radeon_pcie_gen r600_get_pcie_gen_support(struct radeon_device *rdev,
enum
radeon_pcie_gen
asic_gen
,
enum
radeon_pcie_gen
default_gen
);
u16
r600_get_pcie_lane_support
(
struct
radeon_device
*
rdev
,
u16
asic_lanes
,
u16
default_lanes
);
#endif
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