From caad8d85559709301c00760b9e8707d57f8c6c67 Mon Sep 17 00:00:00 2001
From: Pauli Nieminen <suokkos@gmail.com>
Date: Sat, 22 Aug 2009 13:16:18 +1000
Subject: radeon: add support for busy/domain check interface.

airlied: modified the interface to drop busy return value, just return
it normally, also fixed int->uint32_t for domain

Signed-off-by: Pauli Nieminen <suokkos@gmail.com>
---
 libdrm/radeon/radeon_bo.h     | 12 ++++++++++++
 libdrm/radeon/radeon_bo_gem.c | 16 ++++++++++++++++
 2 files changed, 28 insertions(+)

(limited to 'libdrm')

diff --git a/libdrm/radeon/radeon_bo.h b/libdrm/radeon/radeon_bo.h
index 09ad068d..1e2e6c20 100644
--- a/libdrm/radeon/radeon_bo.h
+++ b/libdrm/radeon/radeon_bo.h
@@ -73,6 +73,7 @@ struct radeon_bo_funcs {
 			  uint32_t pitch);
     int (*bo_get_tiling)(struct radeon_bo *bo, uint32_t *tiling_flags,
 			  uint32_t *pitch);
+    int (*bo_is_busy)(struct radeon_bo *bo, uint32_t *domain);
 };
 
 struct radeon_bo_manager {
@@ -166,6 +167,15 @@ static inline int _radeon_bo_wait(struct radeon_bo *bo,
     return bo->bom->funcs->bo_wait(bo);
 }
 
+static inline int _radeon_bo_is_busy(struct radeon_bo *bo,
+				     uint32_t *domain,
+                                     const char *file,
+                                     const char *func,
+                                     int line)
+{
+    return bo->bom->funcs->bo_is_busy(bo, domain);
+}
+
 static inline int radeon_bo_set_tiling(struct radeon_bo *bo,
 				       uint32_t tiling_flags, uint32_t pitch)
 {
@@ -199,5 +209,7 @@ static inline int radeon_bo_is_static(struct radeon_bo *bo)
     _radeon_bo_debug(bo, opcode, __FILE__, __FUNCTION__, __LINE__)
 #define radeon_bo_wait(bo) \
     _radeon_bo_wait(bo, __FILE__, __func__, __LINE__)
+#define radeon_bo_is_busy(bo, domain) \
+    _radeon_bo_is_busy(bo, domain, __FILE__, __func__, __LINE__)
 
 #endif
diff --git a/libdrm/radeon/radeon_bo_gem.c b/libdrm/radeon/radeon_bo_gem.c
index cf59a359..76d80e7e 100644
--- a/libdrm/radeon/radeon_bo_gem.c
+++ b/libdrm/radeon/radeon_bo_gem.c
@@ -209,6 +209,21 @@ static int bo_wait(struct radeon_bo *bo)
     return ret;
 }
 
+static int bo_is_busy(struct radeon_bo *bo, uint32_t *domain)
+{
+    struct drm_radeon_gem_busy args;
+    int ret;
+
+    args.handle = bo->handle;
+    args.domain = 0;
+
+    ret = drmCommandWriteRead(bo->bom->fd, DRM_RADEON_GEM_BUSY,
+	    &args, sizeof(args));
+
+    *domain = args.domain;
+    return ret;
+}
+
 static int bo_set_tiling(struct radeon_bo *bo, uint32_t tiling_flags,
 				 uint32_t pitch)
 {
@@ -257,6 +272,7 @@ static struct radeon_bo_funcs bo_gem_funcs = {
     NULL,
     bo_set_tiling,
     bo_get_tiling,
+    bo_is_busy,
 };
 
 struct radeon_bo_manager *radeon_bo_manager_gem_ctor(int fd)
-- 
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