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drm/vmwgfx: Initial DX support

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Initial DX support.
Co-authored with Sinclair Yeh, Charmaine Lee and Jakob Bornecrantz.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Charmaine Lee <charmainel@vmware.com>
This commit is contained in:
Thomas Hellstrom
2015-08-10 10:39:35 -07:00
parent 8ce75f8ab9
commit d80efd5cb3
22 changed files with 5362 additions and 790 deletions
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28
drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
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@@ -29,6 +29,11 @@
#include <drm/drmP.h>
#include <drm/ttm/ttm_placement.h>
struct vmw_temp_set_context {
SVGA3dCmdHeader header;
SVGA3dCmdDXTempSetContext body;
};
bool vmw_fifo_have_3d(struct vmw_private *dev_priv)
{
u32 __iomem *fifo_mem = dev_priv->mmio_virt;
@@ -99,6 +104,7 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
uint32_t max;
uint32_t min;
fifo->dx = false;
fifo->static_buffer_size = VMWGFX_FIFO_STATIC_SIZE;
fifo->static_buffer = vmalloc(fifo->static_buffer_size);
if (unlikely(fifo->static_buffer == NULL))
@@ -396,15 +402,20 @@ out_err:
return NULL;
}
void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes)
void *vmw_fifo_reserve_dx(struct vmw_private *dev_priv, uint32_t bytes,
int ctx_id)
{
void *ret;
if (dev_priv->cman)
ret = vmw_cmdbuf_reserve(dev_priv->cman, bytes,
SVGA3D_INVALID_ID, false, NULL);
else
ctx_id, false, NULL);
else if (ctx_id == SVGA3D_INVALID_ID)
ret = vmw_local_fifo_reserve(dev_priv, bytes);
else {
WARN_ON("Command buffer has not been allocated.\n");
ret = NULL;
}
if (IS_ERR_OR_NULL(ret)) {
DRM_ERROR("Fifo reserve failure of %u bytes.\n",
(unsigned) bytes);
@@ -466,6 +477,10 @@ static void vmw_local_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes)
uint32_t min = ioread32(fifo_mem + SVGA_FIFO_MIN);
bool reserveable = fifo_state->capabilities & SVGA_FIFO_CAP_RESERVE;
if (fifo_state->dx)
bytes += sizeof(struct vmw_temp_set_context);
fifo_state->dx = false;
BUG_ON((bytes & 3) != 0);
BUG_ON(bytes > fifo_state->reserved_size);
@@ -518,7 +533,7 @@ void vmw_fifo_commit(struct vmw_private *dev_priv, uint32_t bytes)
* @dev_priv: Pointer to device private structure.
* @bytes: Number of bytes to commit.
*/
static void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes)
void vmw_fifo_commit_flush(struct vmw_private *dev_priv, uint32_t bytes)
{
if (dev_priv->cman)
vmw_cmdbuf_commit(dev_priv->cman, bytes, NULL, true);
@@ -706,3 +721,8 @@ int vmw_fifo_emit_dummy_query(struct vmw_private *dev_priv,
return vmw_fifo_emit_dummy_legacy_query(dev_priv, cid);
}
void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes)
{
return vmw_fifo_reserve_dx(dev_priv, bytes, SVGA3D_INVALID_ID);
}