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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-10-01 09:51:29 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-03-19 12:26:40 -0400 |
| commit | e66582f9ff2fac4c3fddac4f06ebb0e9623485f5 (patch) | |
| tree | b1af026d87bc0e67399a3e371a76dabc4a2565fd /drivers/gpu/drm/radeon/ni.c | |
| parent | ff609975e1cd8a58ee862fb3188e8b01b935131d (diff) | |
| download | lwn-e66582f9ff2fac4c3fddac4f06ebb0e9623485f5.tar.gz lwn-e66582f9ff2fac4c3fddac4f06ebb0e9623485f5.zip | |
drm/radeon: add get_allowed_info_register for cayman/TN
Registers that can be fetched from the info ioctl.
Tested-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/ni.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index dab00812abaa..e8a496ff007e 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -828,6 +828,35 @@ out: return err; } +/** + * cayman_get_allowed_info_register - fetch the register for the info ioctl + * + * @rdev: radeon_device pointer + * @reg: register offset in bytes + * @val: register value + * + * Returns 0 for success or -EINVAL for an invalid register + * + */ +int cayman_get_allowed_info_register(struct radeon_device *rdev, + u32 reg, u32 *val) +{ + switch (reg) { + case GRBM_STATUS: + case GRBM_STATUS_SE0: + case GRBM_STATUS_SE1: + case SRBM_STATUS: + case SRBM_STATUS2: + case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET): + case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET): + case UVD_STATUS: + *val = RREG32(reg); + return 0; + default: + return -EINVAL; + } +} + int tn_get_temp(struct radeon_device *rdev) { u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff; |