drm/radeon: add query for number of active CUs

[linux-2.6-block.git] / drivers / gpu / drm / radeon / radeon_kms.c

diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index eaaedba0467595aaced591c6d70666c75ac97211..5cd70f9e7311a5e85294796f612451e53e8c3b3c 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -513,6 +513,22 @@ static int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file
                value_size = sizeof(uint64_t);
                value64 = atomic64_read(&rdev->gtt_usage);
                break;
+       case RADEON_INFO_ACTIVE_CU_COUNT:
+               if (rdev->family >= CHIP_BONAIRE)
+                       *value = rdev->config.cik.active_cus;
+               else if (rdev->family >= CHIP_TAHITI)
+                       *value = rdev->config.si.active_cus;
+               else if (rdev->family >= CHIP_CAYMAN)
+                       *value = rdev->config.cayman.active_simds;
+               else if (rdev->family >= CHIP_CEDAR)
+                       *value = rdev->config.evergreen.active_simds;
+               else if (rdev->family >= CHIP_RV770)
+                       *value = rdev->config.rv770.active_simds;
+               else if (rdev->family >= CHIP_R600)
+                       *value = rdev->config.r600.active_simds;
+               else
+                       *value = 1;
+               break;
        default:
                DRM_DEBUG_KMS("Invalid request %d\n", info->request);
                return -EINVAL;