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-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.c3
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c18
2 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 4b05563d99e..6e22815f7f0 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -44,9 +44,10 @@
* - 2.1.0 - add square tiling interface
* - 2.2.0 - add r6xx/r7xx const buffer support
* - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
+ * - 2.4.0 - add crtc id query
*/
#define KMS_DRIVER_MAJOR 2
-#define KMS_DRIVER_MINOR 3
+#define KMS_DRIVER_MINOR 4
#define KMS_DRIVER_PATCHLEVEL 0
int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
int radeon_driver_unload_kms(struct drm_device *dev);
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index d3657dcfdd2..021572a3dd9 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -98,11 +98,15 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
{
struct radeon_device *rdev = dev->dev_private;
struct drm_radeon_info *info;
+ struct radeon_mode_info *minfo = &rdev->mode_info;
uint32_t *value_ptr;
uint32_t value;
+ struct drm_crtc *crtc;
+ int i, found;
info = data;
value_ptr = (uint32_t *)((unsigned long)info->value);
+ value = *value_ptr;
switch (info->request) {
case RADEON_INFO_DEVICE_ID:
value = dev->pci_device;
@@ -116,6 +120,20 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
case RADEON_INFO_ACCEL_WORKING:
value = rdev->accel_working;
break;
+ case RADEON_INFO_CRTC_FROM_ID:
+ for (i = 0, found = 0; i < rdev->num_crtc; i++) {
+ crtc = (struct drm_crtc *)minfo->crtcs[i];
+ if (crtc && crtc->base.id == value) {
+ value = i;
+ found = 1;
+ break;
+ }
+ }
+ if (!found) {
+ DRM_DEBUG("unknown crtc id %d\n", value);
+ return -EINVAL;
+ }
+ break;
default:
DRM_DEBUG("Invalid request %d\n", info->request);
return -EINVAL;