r300g: do not emit GB_Z_PEQ_CONFIG on non-r500 if DRM < 2.6.0

3 files changed, 12 insertions, 0 deletions

diff --git a/src/gallium/winsys/radeon/drm/radeon_drm.c b/src/gallium/winsys/radeon/drm/radeon_drm.c
index 3604827700..ecaf096dea 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm.c
@@ -103,6 +103,10 @@ static void do_ioctls(int fd, struct radeon_libdrm_winsys* winsys)
     winsys->drm_2_3_0 = version->version_major > 2 ||
                         version->version_minor >= 3;
 
+    winsys->drm_2_6_0 = version->version_major > 2 ||
+                        (version->version_major == 2 &&
+                         version->version_minor >= 6);
+
     info.request = RADEON_INFO_DEVICE_ID;
     retval = drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info));
     if (retval) {
diff --git a/src/gallium/winsys/radeon/drm/radeon_r300.c b/src/gallium/winsys/radeon/drm/radeon_r300.c
index 955ae4c045..5840098642 100644
--- a/src/gallium/winsys/radeon/drm/radeon_r300.c
+++ b/src/gallium/winsys/radeon/drm/radeon_r300.c
@@ -211,6 +211,8 @@ static uint32_t radeon_get_value(struct r300_winsys_screen *rws,
         return ws->squaretiling;
     case R300_VID_DRM_2_3_0:
         return ws->drm_2_3_0;
+    case R300_VID_DRM_2_6_0:
+        return ws->drm_2_6_0;
     case R300_CAN_HYPERZ:
         return ws->hyperz;
     }
diff --git a/src/gallium/winsys/radeon/drm/radeon_winsys.h b/src/gallium/winsys/radeon/drm/radeon_winsys.h
index 52db0d62d2..6f4aa4bce3 100644
--- a/src/gallium/winsys/radeon/drm/radeon_winsys.h
+++ b/src/gallium/winsys/radeon/drm/radeon_winsys.h
@@ -65,6 +65,12 @@ struct radeon_libdrm_winsys {
      */
     boolean drm_2_3_0;
 
+    /* DRM 2.6.0
+     *   - Hyper-Z
+     *   - GB_Z_PEQ_CONFIG allowed on rv350->r4xx, we should initialize it
+     */
+    boolean drm_2_6_0;
+
     /* hyperz user */
     boolean hyperz;