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path: root/drivers/gpu/drm/vmwgfx/device_include/svga_reg.h
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Diffstat (limited to 'drivers/gpu/drm/vmwgfx/device_include/svga_reg.h')
-rw-r--r--drivers/gpu/drm/vmwgfx/device_include/svga_reg.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/vmwgfx/device_include/svga_reg.h b/drivers/gpu/drm/vmwgfx/device_include/svga_reg.h
index 6e0ccb70a700..88e72bf9a534 100644
--- a/drivers/gpu/drm/vmwgfx/device_include/svga_reg.h
+++ b/drivers/gpu/drm/vmwgfx/device_include/svga_reg.h
@@ -372,6 +372,14 @@ SVGAGuestPtr;
* PA, not biased by the offset. When the command buffer is finished
* the guest should not read the offset field as there is no guarantee
* what it will set to.
+ *
+ * When the SVGA_CAP_HP_CMD_QUEUE cap bit is set a new command queue
+ * SVGA_CB_CONTEXT_1 is available. Commands submitted to this queue
+ * will be executed as quickly as possible by the SVGA device
+ * potentially before already queued commands on SVGA_CB_CONTEXT_0.
+ * The SVGA device guarantees that any command buffers submitted to
+ * SVGA_CB_CONTEXT_0 will be executed after any _already_ submitted
+ * command buffers to SVGA_CB_CONTEXT_1.
*/
#define SVGA_CB_MAX_SIZE (512 * 1024) /* 512 KB */
@@ -382,7 +390,8 @@ SVGAGuestPtr;
typedef enum {
SVGA_CB_CONTEXT_DEVICE = 0x3f,
SVGA_CB_CONTEXT_0 = 0x0,
- SVGA_CB_CONTEXT_MAX = 0x1,
+ SVGA_CB_CONTEXT_1 = 0x1, /* Supported with SVGA_CAP_HP_CMD_QUEUE */
+ SVGA_CB_CONTEXT_MAX = 0x2,
} SVGACBContext;
@@ -689,6 +698,7 @@ SVGASignedPoint;
#define SVGA_CAP_CMD_BUFFERS_2 0x04000000
#define SVGA_CAP_GBOBJECTS 0x08000000
#define SVGA_CAP_DX 0x10000000
+#define SVGA_CAP_HP_CMD_QUEUE 0x20000000
#define SVGA_CAP_CMD_RESERVED 0x80000000