diff options
| author |   Alex Deucher <alexander.deucher@amd.com> | 2014-10-01 09:36:57 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-03-19 12:26:38 -0400 |
| commit | c6d2ac2c36f80b8be15d47a8da6fca803a432e1c (patch) | |
| tree | 14ccf607e0b43c3520fed23b8fdf2a2e0f898666 /drivers/gpu/drm/radeon/r600.c | |
| parent | drm/radeon: add get_allowed_info_register function for r1xx-r5xx (diff) | |
| download | linux-dev-c6d2ac2c36f80b8be15d47a8da6fca803a432e1c.tar.xz linux-dev-c6d2ac2c36f80b8be15d47a8da6fca803a432e1c.zip | |
drm/radeon: add get_allowed_info_register for r6xx/r7xx
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/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 2fcad344492f..8f6d862a1882 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -109,6 +109,32 @@ extern int evergreen_rlc_resume(struct radeon_device *rdev); extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev); /** + * r600_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 r600_get_allowed_info_register(struct radeon_device *rdev, + u32 reg, u32 *val) +{ + switch (reg) { + case GRBM_STATUS: + case GRBM_STATUS2: + case R_000E50_SRBM_STATUS: + case DMA_STATUS_REG: + case UVD_STATUS: + *val = RREG32(reg); + return 0; + default: + return -EINVAL; + } +} + +/** * r600_get_xclk - get the xclk * * @rdev: radeon_device pointer |