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| author | Alex Deucher <alexander.deucher@amd.com> | 2014-10-01 11:18:46 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-03-19 12:26:41 -0400 |
| commit | 353eec2ab229867d59a12375a48fc65e2d749e8b (patch) | |
| tree | 8b8eb18c1814bf1ff10eee76eb4c7fd4e212e89b /drivers/gpu/drm/radeon/cik.c | |
| parent | 4af692f6e3b24042bc90b9b9cb1be96d8715345e (diff) | |
| download | lwn-353eec2ab229867d59a12375a48fc65e2d749e8b.tar.gz lwn-353eec2ab229867d59a12375a48fc65e2d749e8b.zip | |
drm/radeon: add get_allowed_info_register for CIK
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/cik.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/cik.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index 3e670d344a20..e1db25e48688 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -141,6 +141,39 @@ static void cik_fini_cg(struct radeon_device *rdev); static void cik_enable_gui_idle_interrupt(struct radeon_device *rdev, bool enable); +/** + * cik_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 cik_get_allowed_info_register(struct radeon_device *rdev, + u32 reg, u32 *val) +{ + switch (reg) { + case GRBM_STATUS: + case GRBM_STATUS2: + case GRBM_STATUS_SE0: + case GRBM_STATUS_SE1: + case GRBM_STATUS_SE2: + case GRBM_STATUS_SE3: + case SRBM_STATUS: + case SRBM_STATUS2: + case (SDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET): + case (SDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET): + case UVD_STATUS: + /* TODO VCE */ + *val = RREG32(reg); + return 0; + default: + return -EINVAL; + } +} + /* get temperature in millidegrees */ int ci_get_temp(struct radeon_device *rdev) { |