From 4507863058a10d00c982975daf396f83caee0fe2 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Sat, 1 Aug 2009 17:19:43 +1000
Subject: libdrm_radeon: add tiling support

---
 libdrm/radeon/radeon_bo.h     | 16 ++++++++++++++++
 libdrm/radeon/radeon_bo_gem.c | 44 +++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 58 insertions(+), 2 deletions(-)

(limited to 'libdrm/radeon')

diff --git a/libdrm/radeon/radeon_bo.h b/libdrm/radeon/radeon_bo.h
index 597d0ef6..09ad068d 100644
--- a/libdrm/radeon/radeon_bo.h
+++ b/libdrm/radeon/radeon_bo.h
@@ -69,6 +69,10 @@ struct radeon_bo_funcs {
     int (*bo_unmap)(struct radeon_bo *bo);
     int (*bo_wait)(struct radeon_bo *bo);
     int (*bo_is_static)(struct radeon_bo *bo);
+    int (*bo_set_tiling)(struct radeon_bo *bo, uint32_t tiling_flags,
+			  uint32_t pitch);
+    int (*bo_get_tiling)(struct radeon_bo *bo, uint32_t *tiling_flags,
+			  uint32_t *pitch);
 };
 
 struct radeon_bo_manager {
@@ -162,6 +166,18 @@ static inline int _radeon_bo_wait(struct radeon_bo *bo,
     return bo->bom->funcs->bo_wait(bo);
 }
 
+static inline int radeon_bo_set_tiling(struct radeon_bo *bo,
+				       uint32_t tiling_flags, uint32_t pitch)
+{
+    return bo->bom->funcs->bo_set_tiling(bo, tiling_flags, pitch);
+}
+
+static inline int radeon_bo_get_tiling(struct radeon_bo *bo,
+				       uint32_t *tiling_flags, uint32_t *pitch)
+{
+    return bo->bom->funcs->bo_get_tiling(bo, tiling_flags, pitch);
+}
+
 static inline int radeon_bo_is_static(struct radeon_bo *bo)
 {
     if (bo->bom->funcs->bo_is_static)
diff --git a/libdrm/radeon/radeon_bo_gem.c b/libdrm/radeon/radeon_bo_gem.c
index 9b0d867b..3c3b3e5b 100644
--- a/libdrm/radeon/radeon_bo_gem.c
+++ b/libdrm/radeon/radeon_bo_gem.c
@@ -56,6 +56,8 @@ struct bo_manager_gem {
     struct radeon_bo_manager    base;
 };
 
+static int bo_wait(struct radeon_bo *bo);
+
 static struct radeon_bo *bo_open(struct radeon_bo_manager *bom,
                                  uint32_t handle,
                                  uint32_t size,
@@ -207,6 +209,44 @@ static int bo_wait(struct radeon_bo *bo)
     return ret;
 }
 
+static int bo_set_tiling(struct radeon_bo *bo, uint32_t tiling_flags,
+				 uint32_t pitch)
+{
+    struct drm_radeon_gem_set_tiling args;
+    int r;
+
+    args.handle = bo->handle;
+    args.tiling_flags = tiling_flags;
+    args.pitch = pitch;
+
+    r = drmCommandWriteRead(bo->bom->fd,
+			    DRM_RADEON_GEM_SET_TILING,
+			    &args,
+			    sizeof(args));
+    return r;
+}
+
+static int bo_get_tiling(struct radeon_bo *bo, uint32_t *tiling_flags,
+				 uint32_t *pitch)
+{
+    struct drm_radeon_gem_set_tiling args;
+    int r;
+
+    args.handle = bo->handle;
+
+    r = drmCommandWriteRead(bo->bom->fd,
+			    DRM_RADEON_GEM_GET_TILING,
+			    &args,
+			    sizeof(args));
+
+    if (r)
+	return r;
+
+    *tiling_flags = args.tiling_flags;
+    *pitch = args.pitch;
+    return r;
+}
+
 static struct radeon_bo_funcs bo_gem_funcs = {
     bo_open,
     bo_ref,
@@ -215,6 +255,8 @@ static struct radeon_bo_funcs bo_gem_funcs = {
     bo_unmap,
     bo_wait,
     NULL,
+    bo_set_tiling,
+    bo_get_tiling,
 };
 
 struct radeon_bo_manager *radeon_bo_manager_gem_ctor(int fd)
@@ -248,7 +290,6 @@ uint32_t radeon_gem_name_bo(struct radeon_bo *bo)
 
 int radeon_gem_get_kernel_name(struct radeon_bo *bo, uint32_t *name)
 {
-    struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo;
     struct drm_gem_flink flink;
     int r;
 
@@ -263,7 +304,6 @@ int radeon_gem_get_kernel_name(struct radeon_bo *bo, uint32_t *name)
 
 int radeon_gem_set_domain(struct radeon_bo *bo, uint32_t read_domains, uint32_t write_domain)
 {
-    struct radeon_bo_gem *bo_gem = (struct radeon_bo_gem*)bo;
     struct drm_radeon_gem_set_domain args;
     int r;
 
-- 
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