diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2011-01-24 17:14:26 -0500 |
|---|---|---|
| committer | Dave Airlie <airlied@gmail.com> | 2011-01-25 08:41:04 +1000 |
| commit | 58bbf018a70c562437eeae121a5d021ba7fe56a5 (patch) | |
| tree | 5a44a8c8f53710366e51208f63e86c3a441f256a | |
| parent | b526ce2264e93b64853478ae50725a30c1dc7abf (diff) | |
drm/radeon/kms: add new radeon_info ioctl query for clock crystal freq
Needed for timer queries in the 3D driver.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@gmail.com>
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_drv.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_kms.c | 4 | ||||
| -rw-r--r-- | include/drm/radeon_drm.h | 1 |
3 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index d5680a0c87af..275b26a708d6 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -48,7 +48,7 @@ * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500) * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs - * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK + * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query */ #define KMS_DRIVER_MAJOR 2 #define KMS_DRIVER_MINOR 8 diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 28a53e4a925f..98321298cffd 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -201,6 +201,10 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) } radeon_set_filp_rights(dev, &rdev->cmask_filp, filp, &value); break; + case RADEON_INFO_CLOCK_CRYSTAL_FREQ: + /* return clock value in KHz */ + value = rdev->clock.spll.reference_freq * 10; + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h index e95a86b8b689..e5c607a02d57 100644 --- a/include/drm/radeon_drm.h +++ b/include/drm/radeon_drm.h @@ -907,6 +907,7 @@ struct drm_radeon_cs { #define RADEON_INFO_TILING_CONFIG 0x06 #define RADEON_INFO_WANT_HYPERZ 0x07 #define RADEON_INFO_WANT_CMASK 0x08 /* get access to CMASK on r300 */ +#define RADEON_INFO_CLOCK_CRYSTAL_FREQ 0x09 /* clock crystal frequency */ struct drm_radeon_info { uint32_t request; |