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drm/vmwgfx: Add support for streamoutput with mob commands

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With SM5 capability a new version of streamoutput is supported by device
which need backing mob and a new field. With this change the new command
is supported in command buffer.

v2: Also track streamoutput context binding in binding manager.

v3: Track only one streamoutput as only one can be set to context.
v4: Fix comment typos

Signed-off-by: Deepak Rawat <drawat.floss@gmail.com>
Signed-off-by: Neha Bhende <bhenden@vmware.com>
Reviewed-by: Thomas Hellström (VMware) <thomas_os@shipmail.org>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Signed-off-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Deepak Rawat
2018-12-13 14:04:31 -08:00
committed by Roland Scheidegger
parent 403fef50e3
commit e8bead9c5c
8 changed files with 630 additions and 7 deletions
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39
drivers/gpu/drm/vmwgfx/vmwgfx_binding.c
View File

@@ -78,6 +78,7 @@
* @index_buffer: Index buffer binding.
* @per_shader: Per shader-type bindings.
* @ua_views: UAV bindings.
* @so_state: StreamOutput bindings.
* @dirty: Bitmap tracking per binding-type changes that have not yet
* been emitted to the device.
* @dirty_vb: Bitmap tracking individual vertex buffer binding changes that
@@ -103,6 +104,7 @@ struct vmw_ctx_binding_state {
struct vmw_ctx_bindinfo_ib index_buffer;
struct vmw_dx_shader_bindings per_shader[SVGA3D_NUM_SHADERTYPE];
struct vmw_ctx_bindinfo_uav ua_views[VMW_MAX_UAV_BIND_TYPE];
struct vmw_ctx_bindinfo_so so_state;
unsigned long dirty;
DECLARE_BITMAP(dirty_vb, SVGA3D_DX_MAX_VERTEXBUFFERS);
@@ -127,6 +129,7 @@ static int vmw_binding_scrub_ib(struct vmw_ctx_bindinfo *bi, bool rebind);
static int vmw_binding_scrub_vb(struct vmw_ctx_bindinfo *bi, bool rebind);
static int vmw_binding_scrub_uav(struct vmw_ctx_bindinfo *bi, bool rebind);
static int vmw_binding_scrub_cs_uav(struct vmw_ctx_bindinfo *bi, bool rebind);
static int vmw_binding_scrub_so(struct vmw_ctx_bindinfo *bi, bool rebind);
static void vmw_binding_build_asserts(void) __attribute__ ((unused));
@@ -202,6 +205,9 @@ static const size_t vmw_binding_uav_offsets[] = {
static const size_t vmw_binding_cs_uav_offsets[] = {
offsetof(struct vmw_ctx_binding_state, ua_views[1].views),
};
static const size_t vmw_binding_so_offsets[] = {
offsetof(struct vmw_ctx_binding_state, so_state),
};
static const struct vmw_binding_info vmw_binding_infos[] = {
[vmw_ctx_binding_shader] = {
@@ -256,6 +262,10 @@ static const struct vmw_binding_info vmw_binding_infos[] = {
.size = sizeof(struct vmw_ctx_bindinfo_view),
.offsets = vmw_binding_cs_uav_offsets,
.scrub_func = vmw_binding_scrub_cs_uav},
[vmw_ctx_binding_so] = {
.size = sizeof(struct vmw_ctx_bindinfo_so),
.offsets = vmw_binding_so_offsets,
.scrub_func = vmw_binding_scrub_so},
};
/**
@@ -1290,6 +1300,33 @@ static int vmw_binding_scrub_cs_uav(struct vmw_ctx_bindinfo *bi, bool rebind)
return 0;
}
/**
* vmw_binding_scrub_so - Scrub a streamoutput binding from context.
* @bi: Single binding information.
* @rebind: Whether to issue a bind instead of scrub command.
*/
static int vmw_binding_scrub_so(struct vmw_ctx_bindinfo *bi, bool rebind)
{
struct vmw_ctx_bindinfo_so *binding =
container_of(bi, typeof(*binding), bi);
struct vmw_private *dev_priv = bi->ctx->dev_priv;
struct {
SVGA3dCmdHeader header;
SVGA3dCmdDXSetStreamOutput body;
} *cmd;
cmd = VMW_FIFO_RESERVE_DX(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));
return 0;
}
/**
* vmw_binding_state_alloc - Allocate a struct vmw_ctx_binding_state with
* memory accounting.
@@ -1393,7 +1430,7 @@ u32 vmw_binding_dirtying(enum vmw_ctx_binding_type binding_type)
};
/* Review this function as new bindings are added. */
BUILD_BUG_ON(vmw_ctx_binding_max != 13);
BUILD_BUG_ON(vmw_ctx_binding_max != 14);
return is_binding_dirtying[binding_type];
}