diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2013-09-03 22:19:42 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-09-11 15:44:28 (GMT) |
| commit | fe78118c4603ab91b88907eaabe4a1ca03a9f220 (patch) | |
| tree | 7c84a0664723ac52194413f76d2caf9eff71ee68 /drivers/gpu/drm/radeon/rv770_smc.h | |
| parent | 136de91ea760b55bd52b707c1443f121e006962e (diff) | |
| download | linux-fe78118c4603ab91b88907eaabe4a1ca03a9f220.tar.xz | |
drm/radeon: protect concurrent smc register access with a spinlock
smc registers are access indirectly via the main mmio aperture, so
there may be problems with concurrent access. This adds a spinlock
to protect access to this register space.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770_smc.h')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770_smc.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/rv770_smc.h b/drivers/gpu/drm/radeon/rv770_smc.h index f78d92a..3b2c963 100644 --- a/drivers/gpu/drm/radeon/rv770_smc.h +++ b/drivers/gpu/drm/radeon/rv770_smc.h @@ -187,8 +187,6 @@ typedef struct RV770_SMC_STATETABLE RV770_SMC_STATETABLE; #define RV770_SMC_SOFT_REGISTER_uvd_enabled 0x9C #define RV770_SMC_SOFT_REGISTER_is_asic_lombok 0xA0 -int rv770_set_smc_sram_address(struct radeon_device *rdev, - u16 smc_address, u16 limit); int rv770_copy_bytes_to_smc(struct radeon_device *rdev, u16 smc_start_address, const u8 *src, u16 byte_count, u16 limit); |