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drm/radeon: add get_allowed_info_register for cayman/TN

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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>
This commit is contained in:
Alex Deucher
2014-10-01 09:51:29 -04:00
parent ff609975e1
commit e66582f9ff
4 changed files with 34 additions and 0 deletions
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29
drivers/gpu/drm/radeon/ni.c
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@@ -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;