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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-02-14 19:04:02 +0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-02-20 17:51:20 +0400 |
| commit | 454d2e2a32f02a4f8e0364ba0e8ce4f8dbe9810c (patch) | |
| tree | c9727360424260a40aba4b037bbca4457efe4c1d /drivers/gpu/drm/radeon/radeon_kms.c | |
| parent | 0e34d0945ed16aeb72c863be4efe4cd0c62f9c53 (diff) | |
| download | linux-454d2e2a32f02a4f8e0364ba0e8ce4f8dbe9810c.tar.xz | |
drm/radeon: add a asic callback to get the xclk
This is required to get the reference clock used
by the gfx engine for things like timestamps. Fixes
support for GL extensions the use timestamps on
certain boards.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 9c312f9afb68..96f05cde116a 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -282,7 +282,10 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) break; case RADEON_INFO_CLOCK_CRYSTAL_FREQ: /* return clock value in KHz */ - value = rdev->clock.spll.reference_freq * 10; + if (rdev->asic->get_xclk) + value = radeon_get_xclk(rdev) * 10; + else + value = rdev->clock.spll.reference_freq * 10; break; case RADEON_INFO_NUM_BACKENDS: if (rdev->family >= CHIP_TAHITI) |