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drm/radeon/kms: add query for crtc hw id from crtc id to get info V2

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Userspace need to know the hw crtc id (0, 1, 2, ...) from the drm
crtc id. Bump the minor version so userspace can enable conditionaly
features depend on this.

V2 use num_crtc and avoid DRM_ERROR

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jerome Glisse
2010-05-12 18:01:13 +02:00
committed by Dave Airlie
parent 61dd98fad5
commit bc35afdb18
3 changed files with 21 additions and 1 deletions
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include/drm/radeon_drm.h
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@@ -902,6 +902,7 @@ struct drm_radeon_cs {
#define RADEON_INFO_NUM_GB_PIPES 0x01
#define RADEON_INFO_NUM_Z_PIPES 0x02
#define RADEON_INFO_ACCEL_WORKING 0x03
#define RADEON_INFO_CRTC_FROM_ID 0x04
struct drm_radeon_info {
uint32_t request;