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-rw-r--r--src/gallium/winsys/radeon/drm/radeon_drm_winsys.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index 910d06b5dba..21567bbcf01 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -392,6 +392,26 @@ static boolean do_winsys_init(struct radeon_drm_winsys *ws)
radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SE, NULL,
&ws->info.max_se);
+ if (!ws->info.max_se) {
+ switch (ws->info.family) {
+ default:
+ ws->info.max_se = 1;
+ break;
+ case CHIP_CYPRESS:
+ case CHIP_HEMLOCK:
+ case CHIP_BARTS:
+ case CHIP_CAYMAN:
+ case CHIP_TAHITI:
+ case CHIP_PITCAIRN:
+ case CHIP_BONAIRE:
+ ws->info.max_se = 2;
+ break;
+ case CHIP_HAWAII:
+ ws->info.max_se = 4;
+ break;
+ }
+ }
+
radeon_get_drm_value(ws->fd, RADEON_INFO_MAX_SH_PER_SE, NULL,
&ws->info.max_sh_per_se);