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path: root/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_binding.c')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_binding.c139
1 files changed, 72 insertions, 67 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c b/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c
index f41550797970..2731f6ded1c2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_binding.c
@@ -54,6 +54,7 @@
#include "vmwgfx_drv.h"
#include "vmwgfx_binding.h"
#include "device_include/svga3d_reg.h"
+#include <linux/vmalloc.h>
#define VMW_BINDING_RT_BIT 0
#define VMW_BINDING_PS_BIT 1
@@ -330,6 +331,8 @@ static void vmw_binding_drop(struct vmw_ctx_bindinfo *bi)
*
* @cbs: Pointer to the context binding state tracker.
* @bi: Information about the binding to track.
+ * @shader_slot: The shader slot of the binding.
+ * @slot: The slot of the binding.
*
* Starts tracking the binding in the context binding
* state structure @cbs.
@@ -352,6 +355,27 @@ void vmw_binding_add(struct vmw_ctx_binding_state *cbs,
}
/**
+ * vmw_binding_cb_offset_update: Update the offset of a cb binding
+ *
+ * @cbs: Pointer to the context binding state tracker.
+ * @shader_slot: The shader slot of the binding.
+ * @slot: The slot of the binding.
+ * @offsetInBytes: The new offset of the binding.
+ *
+ * Updates the offset of an existing cb binding in the context binding
+ * state structure @cbs.
+ */
+void vmw_binding_cb_offset_update(struct vmw_ctx_binding_state *cbs,
+ u32 shader_slot, u32 slot, u32 offsetInBytes)
+{
+ struct vmw_ctx_bindinfo *loc =
+ vmw_binding_loc(cbs, vmw_ctx_binding_cb, shader_slot, slot);
+ struct vmw_ctx_bindinfo_cb *loc_cb =
+ (struct vmw_ctx_bindinfo_cb *)((u8 *) loc);
+ loc_cb->offset = offsetInBytes;
+}
+
+/**
* vmw_binding_add_uav_index - Add UAV index for tracking.
* @cbs: Pointer to the context binding state tracker.
* @slot: UAV type to which bind this index.
@@ -367,6 +391,7 @@ void vmw_binding_add_uav_index(struct vmw_ctx_binding_state *cbs, uint32 slot,
* vmw_binding_transfer: Transfer a context binding tracking entry.
*
* @cbs: Pointer to the persistent context binding state tracker.
+ * @from: Staged binding info built during execbuf
* @bi: Information about the binding to track.
*
*/
@@ -484,9 +509,8 @@ void vmw_binding_res_list_scrub(struct list_head *head)
/**
* vmw_binding_state_commit - Commit staged binding info
*
- * @ctx: Pointer to context to commit the staged binding info to.
+ * @to: Staged binding info area to copy into to.
* @from: Staged binding info built during execbuf.
- * @scrubbed: Transfer only scrubbed bindings.
*
* Transfers binding info from a temporary structure
* (typically used by execbuf) to the persistent
@@ -511,7 +535,7 @@ void vmw_binding_state_commit(struct vmw_ctx_binding_state *to,
/**
* vmw_binding_rebind_all - Rebind all scrubbed bindings of a context
*
- * @ctx: The context resource
+ * @cbs: Pointer to the context binding state tracker.
*
* Walks through the context binding list and rebinds all scrubbed
* resources.
@@ -555,7 +579,7 @@ static int vmw_binding_scrub_shader(struct vmw_ctx_bindinfo *bi, bool rebind)
SVGA3dCmdSetShader body;
} *cmd;
- cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd));
+ cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd));
if (unlikely(cmd == NULL))
return -ENOMEM;
@@ -564,7 +588,7 @@ static int vmw_binding_scrub_shader(struct vmw_ctx_bindinfo *bi, bool rebind)
cmd->body.cid = bi->ctx->id;
cmd->body.type = binding->shader_slot + SVGA3D_SHADERTYPE_MIN;
cmd->body.shid = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID);
- vmw_fifo_commit(dev_priv, sizeof(*cmd));
+ vmw_cmd_commit(dev_priv, sizeof(*cmd));
return 0;
}
@@ -587,7 +611,7 @@ static int vmw_binding_scrub_render_target(struct vmw_ctx_bindinfo *bi,
SVGA3dCmdSetRenderTarget body;
} *cmd;
- cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd));
+ cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd));
if (unlikely(cmd == NULL))
return -ENOMEM;
@@ -598,7 +622,7 @@ static int vmw_binding_scrub_render_target(struct vmw_ctx_bindinfo *bi,
cmd->body.target.sid = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID);
cmd->body.target.face = 0;
cmd->body.target.mipmap = 0;
- vmw_fifo_commit(dev_priv, sizeof(*cmd));
+ vmw_cmd_commit(dev_priv, sizeof(*cmd));
return 0;
}
@@ -626,7 +650,7 @@ static int vmw_binding_scrub_texture(struct vmw_ctx_bindinfo *bi,
} body;
} *cmd;
- cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd));
+ cmd = VMW_CMD_RESERVE(dev_priv, sizeof(*cmd));
if (unlikely(cmd == NULL))
return -ENOMEM;
@@ -636,7 +660,7 @@ static int vmw_binding_scrub_texture(struct vmw_ctx_bindinfo *bi,
cmd->body.s1.stage = binding->texture_stage;
cmd->body.s1.name = SVGA3D_TS_BIND_TEXTURE;
cmd->body.s1.value = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID);
- vmw_fifo_commit(dev_priv, sizeof(*cmd));
+ vmw_cmd_commit(dev_priv, sizeof(*cmd));
return 0;
}
@@ -657,7 +681,7 @@ static int vmw_binding_scrub_dx_shader(struct vmw_ctx_bindinfo *bi, bool rebind)
SVGA3dCmdDXSetShader body;
} *cmd;
- cmd = VMW_FIFO_RESERVE_DX(dev_priv, sizeof(*cmd), bi->ctx->id);
+ cmd = VMW_CMD_CTX_RESERVE(dev_priv, sizeof(*cmd), bi->ctx->id);
if (unlikely(cmd == NULL))
return -ENOMEM;
@@ -665,7 +689,7 @@ static int vmw_binding_scrub_dx_shader(struct vmw_ctx_bindinfo *bi, bool rebind)
cmd->header.size = sizeof(cmd->body);
cmd->body.type = binding->shader_slot + SVGA3D_SHADERTYPE_MIN;
cmd->body.shaderId = ((rebind) ? bi->res->id : SVGA3D_INVALID_ID);
- vmw_fifo_commit(dev_priv, sizeof(*cmd));
+ vmw_cmd_commit(dev_priv, sizeof(*cmd));
return 0;
}
@@ -686,7 +710,7 @@ static int vmw_binding_scrub_cb(struct vmw_ctx_bindinfo *bi, bool rebind)
SVGA3dCmdDXSetSingleConstantBuffer body;
} *cmd;
- cmd = VMW_FIFO_RESERVE_DX(dev_priv, sizeof(*cmd), bi->ctx->id);
+ cmd = VMW_CMD_CTX_RESERVE(dev_priv, sizeof(*cmd), bi->ctx->id);
if (unlikely(cmd == NULL))
return -ENOMEM;
@@ -703,7 +727,7 @@ static int vmw_binding_scrub_cb(struct vmw_ctx_bindinfo *bi, bool rebind)
cmd->body.sizeInBytes = 0;
cmd->body.sid = SVGA3D_INVALID_ID;
}
- vmw_fifo_commit(dev_priv, sizeof(*cmd));
+ vmw_cmd_commit(dev_priv, sizeof(*cmd));
return 0;
}
@@ -713,7 +737,7 @@ static int vmw_binding_scrub_cb(struct vmw_ctx_bindinfo *bi, bool rebind)
* without checking which bindings actually need to be emitted
*
* @cbs: Pointer to the context's struct vmw_ctx_binding_state
- * @bi: Pointer to where the binding info array is stored in @cbs
+ * @biv: Pointer to where the binding info array is stored in @cbs
* @max_num: Maximum number of entries in the @bi array.
*
* Scans the @bi array for bindings and builds a buffer of view id data.
@@ -723,11 +747,9 @@ static int vmw_binding_scrub_cb(struct vmw_ctx_bindinfo *bi, bool rebind)
* contains the command data.
*/
static void vmw_collect_view_ids(struct vmw_ctx_binding_state *cbs,
- const struct vmw_ctx_bindinfo *bi,
+ const struct vmw_ctx_bindinfo_view *biv,
u32 max_num)
{
- const struct vmw_ctx_bindinfo_view *biv =
- container_of(bi, struct vmw_ctx_bindinfo_view, bi);
unsigned long i;
cbs->bind_cmd_count = 0;
@@ -786,9 +808,10 @@ static void vmw_collect_dirty_view_ids(struct vmw_ctx_binding_state *cbs,
}
/**
- * vmw_binding_emit_set_sr - Issue delayed DX shader resource binding commands
+ * vmw_emit_set_sr - Issue delayed DX shader resource binding commands
*
* @cbs: Pointer to the context's struct vmw_ctx_binding_state
+ * @shader_slot: The shader slot of the binding.
*/
static int vmw_emit_set_sr(struct vmw_ctx_binding_state *cbs,
int shader_slot)
@@ -810,7 +833,7 @@ static int vmw_emit_set_sr(struct vmw_ctx_binding_state *cbs,
view_id_size = cbs->bind_cmd_count*sizeof(uint32);
cmd_size = sizeof(*cmd) + view_id_size;
- cmd = VMW_FIFO_RESERVE_DX(ctx->dev_priv, cmd_size, ctx->id);
+ cmd = VMW_CMD_CTX_RESERVE(ctx->dev_priv, cmd_size, ctx->id);
if (unlikely(cmd == NULL))
return -ENOMEM;
@@ -821,7 +844,7 @@ static int vmw_emit_set_sr(struct vmw_ctx_binding_state *cbs,
memcpy(&cmd[1], cbs->bind_cmd_buffer, view_id_size);
- vmw_fifo_commit(ctx->dev_priv, cmd_size);
+ vmw_cmd_commit(ctx->dev_priv, cmd_size);
bitmap_clear(cbs->per_shader[shader_slot].dirty_sr,
cbs->bind_first_slot, cbs->bind_cmd_count);
@@ -829,13 +852,13 @@ static int vmw_emit_set_sr(struct vmw_ctx_binding_state *cbs,
}
/**
- * vmw_binding_emit_set_rt - Issue delayed DX rendertarget binding commands
+ * vmw_emit_set_rt - Issue delayed DX rendertarget binding commands
*
* @cbs: Pointer to the context's struct vmw_ctx_binding_state
*/
static int vmw_emit_set_rt(struct vmw_ctx_binding_state *cbs)
{
- const struct vmw_ctx_bindinfo *loc = &cbs->render_targets[0].bi;
+ const struct vmw_ctx_bindinfo_view *loc = &cbs->render_targets[0];
struct {
SVGA3dCmdHeader header;
SVGA3dCmdDXSetRenderTargets body;
@@ -843,10 +866,10 @@ static int vmw_emit_set_rt(struct vmw_ctx_binding_state *cbs)
size_t cmd_size, view_id_size;
const struct vmw_resource *ctx = vmw_cbs_context(cbs);
- vmw_collect_view_ids(cbs, loc, SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS);
+ vmw_collect_view_ids(cbs, loc, SVGA3D_DX_MAX_RENDER_TARGETS);
view_id_size = cbs->bind_cmd_count*sizeof(uint32);
cmd_size = sizeof(*cmd) + view_id_size;
- cmd = VMW_FIFO_RESERVE_DX(ctx->dev_priv, cmd_size, ctx->id);
+ cmd = VMW_CMD_CTX_RESERVE(ctx->dev_priv, cmd_size, ctx->id);
if (unlikely(cmd == NULL))
return -ENOMEM;
@@ -860,7 +883,7 @@ static int vmw_emit_set_rt(struct vmw_ctx_binding_state *cbs)
memcpy(&cmd[1], cbs->bind_cmd_buffer, view_id_size);
- vmw_fifo_commit(ctx->dev_priv, cmd_size);
+ vmw_cmd_commit(ctx->dev_priv, cmd_size);
return 0;
@@ -871,7 +894,7 @@ static int vmw_emit_set_rt(struct vmw_ctx_binding_state *cbs)
* without checking which bindings actually need to be emitted
*
* @cbs: Pointer to the context's struct vmw_ctx_binding_state
- * @bi: Pointer to where the binding info array is stored in @cbs
+ * @biso: Pointer to where the binding info array is stored in @cbs
* @max_num: Maximum number of entries in the @bi array.
*
* Scans the @bi array for bindings and builds a buffer of SVGA3dSoTarget data.
@@ -881,11 +904,9 @@ static int vmw_emit_set_rt(struct vmw_ctx_binding_state *cbs)
* contains the command data.
*/
static void vmw_collect_so_targets(struct vmw_ctx_binding_state *cbs,
- const struct vmw_ctx_bindinfo *bi,
+ const struct vmw_ctx_bindinfo_so_target *biso,
u32 max_num)
{
- const struct vmw_ctx_bindinfo_so_target *biso =
- container_of(bi, struct vmw_ctx_bindinfo_so_target, bi);
unsigned long i;
SVGA3dSoTarget *so_buffer = (SVGA3dSoTarget *) cbs->bind_cmd_buffer;
@@ -916,7 +937,7 @@ static void vmw_collect_so_targets(struct vmw_ctx_binding_state *cbs,
*/
static int vmw_emit_set_so_target(struct vmw_ctx_binding_state *cbs)
{
- const struct vmw_ctx_bindinfo *loc = &cbs->so_targets[0].bi;
+ const struct vmw_ctx_bindinfo_so_target *loc = &cbs->so_targets[0];
struct {
SVGA3dCmdHeader header;
SVGA3dCmdDXSetSOTargets body;
@@ -930,7 +951,7 @@ static int vmw_emit_set_so_target(struct vmw_ctx_binding_state *cbs)
so_target_size = cbs->bind_cmd_count*sizeof(SVGA3dSoTarget);
cmd_size = sizeof(*cmd) + so_target_size;
- cmd = VMW_FIFO_RESERVE_DX(ctx->dev_priv, cmd_size, ctx->id);
+ cmd = VMW_CMD_CTX_RESERVE(ctx->dev_priv, cmd_size, ctx->id);
if (unlikely(cmd == NULL))
return -ENOMEM;
@@ -938,7 +959,7 @@ static int vmw_emit_set_so_target(struct vmw_ctx_binding_state *cbs)
cmd->header.size = sizeof(cmd->body) + so_target_size;
memcpy(&cmd[1], cbs->bind_cmd_buffer, so_target_size);
- vmw_fifo_commit(ctx->dev_priv, cmd_size);
+ vmw_cmd_commit(ctx->dev_priv, cmd_size);
return 0;
@@ -1021,7 +1042,7 @@ static void vmw_collect_dirty_vbs(struct vmw_ctx_binding_state *cbs,
}
/**
- * vmw_binding_emit_set_vb - Issue delayed vertex buffer binding commands
+ * vmw_emit_set_vb - Issue delayed vertex buffer binding commands
*
* @cbs: Pointer to the context's struct vmw_ctx_binding_state
*
@@ -1044,7 +1065,7 @@ static int vmw_emit_set_vb(struct vmw_ctx_binding_state *cbs)
set_vb_size = cbs->bind_cmd_count*sizeof(SVGA3dVertexBuffer);
cmd_size = sizeof(*cmd) + set_vb_size;
- cmd = VMW_FIFO_RESERVE_DX(ctx->dev_priv, cmd_size, ctx->id);
+ cmd = VMW_CMD_CTX_RESERVE(ctx->dev_priv, cmd_size, ctx->id);
if (unlikely(cmd == NULL))
return -ENOMEM;
@@ -1054,7 +1075,7 @@ static int vmw_emit_set_vb(struct vmw_ctx_binding_state *cbs)
memcpy(&cmd[1], cbs->bind_cmd_buffer, set_vb_size);
- vmw_fifo_commit(ctx->dev_priv, cmd_size);
+ vmw_cmd_commit(ctx->dev_priv, cmd_size);
bitmap_clear(cbs->dirty_vb,
cbs->bind_first_slot, cbs->bind_cmd_count);
@@ -1063,7 +1084,7 @@ static int vmw_emit_set_vb(struct vmw_ctx_binding_state *cbs)
static int vmw_emit_set_uav(struct vmw_ctx_binding_state *cbs)
{
- const struct vmw_ctx_bindinfo *loc = &cbs->ua_views[0].views[0].bi;
+ const struct vmw_ctx_bindinfo_view *loc = &cbs->ua_views[0].views[0];
struct {
SVGA3dCmdHeader header;
SVGA3dCmdDXSetUAViews body;
@@ -1071,10 +1092,10 @@ static int vmw_emit_set_uav(struct vmw_ctx_binding_state *cbs)
size_t cmd_size, view_id_size;
const struct vmw_resource *ctx = vmw_cbs_context(cbs);
- vmw_collect_view_ids(cbs, loc, SVGA3D_MAX_UAVIEWS);
+ vmw_collect_view_ids(cbs, loc, vmw_max_num_uavs(cbs->dev_priv));
view_id_size = cbs->bind_cmd_count*sizeof(uint32);
cmd_size = sizeof(*cmd) + view_id_size;
- cmd = VMW_FIFO_RESERVE_DX(ctx->dev_priv, cmd_size, ctx->id);
+ cmd = VMW_CMD_CTX_RESERVE(ctx->dev_priv, cmd_size, ctx->id);
if (!cmd)
return -ENOMEM;
@@ -1086,14 +1107,14 @@ static int vmw_emit_set_uav(struct vmw_ctx_binding_state *cbs)
memcpy(&cmd[1], cbs->bind_cmd_buffer, view_id_size);
- vmw_fifo_commit(ctx->dev_priv, cmd_size);
+ vmw_cmd_commit(ctx->dev_priv, cmd_size);
return 0;
}
static int vmw_emit_set_cs_uav(struct vmw_ctx_binding_state *cbs)
{
- const struct vmw_ctx_bindinfo *loc = &cbs->ua_views[1].views[0].bi;
+ const struct vmw_ctx_bindinfo_view *loc = &cbs->ua_views[1].views[0];
struct {
SVGA3dCmdHeader header;
SVGA3dCmdDXSetCSUAViews body;
@@ -1101,10 +1122,10 @@ static int vmw_emit_set_cs_uav(struct vmw_ctx_binding_state *cbs)
size_t cmd_size, view_id_size;
const struct vmw_resource *ctx = vmw_cbs_context(cbs);
- vmw_collect_view_ids(cbs, loc, SVGA3D_MAX_UAVIEWS);
+ vmw_collect_view_ids(cbs, loc, vmw_max_num_uavs(cbs->dev_priv));
view_id_size = cbs->bind_cmd_count*sizeof(uint32);
cmd_size = sizeof(*cmd) + view_id_size;
- cmd = VMW_FIFO_RESERVE_DX(ctx->dev_priv, cmd_size, ctx->id);
+ cmd = VMW_CMD_CTX_RESERVE(ctx->dev_priv, cmd_size, ctx->id);
if (!cmd)
return -ENOMEM;
@@ -1116,7 +1137,7 @@ static int vmw_emit_set_cs_uav(struct vmw_ctx_binding_state *cbs)
memcpy(&cmd[1], cbs->bind_cmd_buffer, view_id_size);
- vmw_fifo_commit(ctx->dev_priv, cmd_size);
+ vmw_cmd_commit(ctx->dev_priv, cmd_size);
return 0;
}
@@ -1263,7 +1284,7 @@ static int vmw_binding_scrub_ib(struct vmw_ctx_bindinfo *bi, bool rebind)
SVGA3dCmdDXSetIndexBuffer body;
} *cmd;
- cmd = VMW_FIFO_RESERVE_DX(dev_priv, sizeof(*cmd), bi->ctx->id);
+ cmd = VMW_CMD_CTX_RESERVE(dev_priv, sizeof(*cmd), bi->ctx->id);
if (unlikely(cmd == NULL))
return -ENOMEM;
@@ -1279,7 +1300,7 @@ static int vmw_binding_scrub_ib(struct vmw_ctx_bindinfo *bi, bool rebind)
cmd->body.offset = 0;
}
- vmw_fifo_commit(dev_priv, sizeof(*cmd));
+ vmw_cmd_commit(dev_priv, sizeof(*cmd));
return 0;
}
@@ -1315,21 +1336,20 @@ static int vmw_binding_scrub_so(struct vmw_ctx_bindinfo *bi, bool rebind)
SVGA3dCmdDXSetStreamOutput body;
} *cmd;
- cmd = VMW_FIFO_RESERVE_DX(dev_priv, sizeof(*cmd), bi->ctx->id);
+ cmd = VMW_CMD_CTX_RESERVE(dev_priv, sizeof(*cmd), bi->ctx->id);
if (!cmd)
return -ENOMEM;
cmd->header.id = SVGA_3D_CMD_DX_SET_STREAMOUTPUT;
cmd->header.size = sizeof(cmd->body);
cmd->body.soid = rebind ? bi->res->id : SVGA3D_INVALID_ID;
- vmw_fifo_commit(dev_priv, sizeof(*cmd));
+ vmw_cmd_commit(dev_priv, sizeof(*cmd));
return 0;
}
/**
- * vmw_binding_state_alloc - Allocate a struct vmw_ctx_binding_state with
- * memory accounting.
+ * vmw_binding_state_alloc - Allocate a struct vmw_ctx_binding_state.
*
* @dev_priv: Pointer to a device private structure.
*
@@ -1339,20 +1359,9 @@ struct vmw_ctx_binding_state *
vmw_binding_state_alloc(struct vmw_private *dev_priv)
{
struct vmw_ctx_binding_state *cbs;
- struct ttm_operation_ctx ctx = {
- .interruptible = false,
- .no_wait_gpu = false
- };
- int ret;
-
- ret = ttm_mem_global_alloc(vmw_mem_glob(dev_priv), sizeof(*cbs),
- &ctx);
- if (ret)
- return ERR_PTR(ret);
cbs = vzalloc(sizeof(*cbs));
if (!cbs) {
- ttm_mem_global_free(vmw_mem_glob(dev_priv), sizeof(*cbs));
return ERR_PTR(-ENOMEM);
}
@@ -1363,17 +1372,13 @@ vmw_binding_state_alloc(struct vmw_private *dev_priv)
}
/**
- * vmw_binding_state_free - Free a struct vmw_ctx_binding_state and its
- * memory accounting info.
+ * vmw_binding_state_free - Free a struct vmw_ctx_binding_state.
*
* @cbs: Pointer to the struct vmw_ctx_binding_state to be freed.
*/
void vmw_binding_state_free(struct vmw_ctx_binding_state *cbs)
{
- struct vmw_private *dev_priv = cbs->dev_priv;
-
vfree(cbs);
- ttm_mem_global_free(vmw_mem_glob(dev_priv), sizeof(*cbs));
}
/**
@@ -1391,7 +1396,7 @@ struct list_head *vmw_binding_state_list(struct vmw_ctx_binding_state *cbs)
}
/**
- * vmwgfx_binding_state_reset - clear a struct vmw_ctx_binding_state
+ * vmw_binding_state_reset - clear a struct vmw_ctx_binding_state
*
* @cbs: Pointer to the struct vmw_ctx_binding_state to be cleared
*
@@ -1441,7 +1446,7 @@ u32 vmw_binding_dirtying(enum vmw_ctx_binding_type binding_type)
static void vmw_binding_build_asserts(void)
{
BUILD_BUG_ON(SVGA3D_NUM_SHADERTYPE_DX10 != 3);
- BUILD_BUG_ON(SVGA3D_MAX_SIMULTANEOUS_RENDER_TARGETS > SVGA3D_RT_MAX);
+ BUILD_BUG_ON(SVGA3D_DX_MAX_RENDER_TARGETS > SVGA3D_RT_MAX);
BUILD_BUG_ON(sizeof(uint32) != sizeof(u32));
/*