intel: Export CONSTANT_BUFFER addressing mode

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 19da2c0..98e1597 100644 (file)
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -279,6 +279,8 @@ typedef struct drm_i915_irq_wait {
 #define I915_PARAM_HAS_BSD              10
 #define I915_PARAM_HAS_BLT              11
 #define I915_PARAM_HAS_RELAXED_FENCING  12
+#define I915_PARAM_HAS_COHERENT_RINGS   13
+#define I915_PARAM_HAS_EXEC_CONSTANTS   14
 
 typedef struct drm_i915_getparam {
        int param;
@@ -625,6 +627,17 @@ struct drm_i915_gem_execbuffer2 {
 #define I915_EXEC_RENDER                 (1<<0)
 #define I915_EXEC_BSD                    (2<<0)
 #define I915_EXEC_BLT                    (3<<0)
+
+/* Used for switching the constants addressing mode on gen4+ RENDER ring.
+ * Gen6+ only supports relative addressing to dynamic state (default) and
+ * absolute addressing.
+ *
+ * These flags are ignored for the BSD and BLT rings.
+ */
+#define I915_EXEC_CONSTANTS_MASK       (3<<6)
+#define I915_EXEC_CONSTANTS_REL_GENERAL (0<<6) /* default */
+#define I915_EXEC_CONSTANTS_ABSOLUTE   (1<<6)
+#define I915_EXEC_CONSTANTS_REL_SURFACE (2<<6) /* gen4/5 only */
        __u64 flags;
        __u64 rsvd1;
        __u64 rsvd2;

diff --git a/intel/intel_bufmgr.c b/intel/intel_bufmgr.c
index f93a870..b7c5c09 100644 (file)
--- a/intel/intel_bufmgr.c
+++ b/intel/intel_bufmgr.c
@@ -136,12 +136,12 @@ drm_intel_bo_exec(drm_intel_bo *bo, int used,
 int
 drm_intel_bo_mrb_exec(drm_intel_bo *bo, int used,
                drm_clip_rect_t *cliprects, int num_cliprects, int DR4,
-               int ring_flag)
+               unsigned int rings)
 {
        if (bo->bufmgr->bo_mrb_exec)
                return bo->bufmgr->bo_mrb_exec(bo, used,
                                        cliprects, num_cliprects, DR4,
-                                       ring_flag);
+                                       rings);
 
        return -ENODEV;
 }

diff --git a/intel/intel_bufmgr.h b/intel/intel_bufmgr.h
index e1b4c45..daa18b4 100644 (file)
--- a/intel/intel_bufmgr.h
+++ b/intel/intel_bufmgr.h
@@ -114,7 +114,7 @@ int drm_intel_bo_exec(drm_intel_bo *bo, int used,
                      struct drm_clip_rect *cliprects, int num_cliprects, int DR4);
 int drm_intel_bo_mrb_exec(drm_intel_bo *bo, int used,
                        struct drm_clip_rect *cliprects, int num_cliprects, int DR4,
-                       int ring_flag);
+                       unsigned int flags);
 int drm_intel_bufmgr_check_aperture_space(drm_intel_bo ** bo_array, int count);
 
 int drm_intel_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset,

diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index c5bb588..72c8731 100644 (file)
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -1555,13 +1555,13 @@ drm_intel_gem_bo_exec(drm_intel_bo *bo, int used,
 static int
 drm_intel_gem_bo_mrb_exec2(drm_intel_bo *bo, int used,
                        drm_clip_rect_t *cliprects, int num_cliprects, int DR4,
-                       int ring_flag)
+                       unsigned int flags)
 {
        drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *)bo->bufmgr;
        struct drm_i915_gem_execbuffer2 execbuf;
        int ret, i;
 
-       switch (ring_flag) {
+       switch (flags & 0x7) {
        default:
                return -EINVAL;
        case I915_EXEC_BLT:
@@ -1594,7 +1594,7 @@ drm_intel_gem_bo_mrb_exec2(drm_intel_bo *bo, int used,
        execbuf.num_cliprects = num_cliprects;
        execbuf.DR1 = 0;
        execbuf.DR4 = DR4;
-       execbuf.flags = ring_flag;
+       execbuf.flags = flags;
        execbuf.rsvd1 = 0;
        execbuf.rsvd2 = 0;
 

diff --git a/intel/intel_bufmgr_priv.h b/intel/intel_bufmgr_priv.h
index 87e91e7..0b62520 100644 (file)
--- a/intel/intel_bufmgr_priv.h
+++ b/intel/intel_bufmgr_priv.h
@@ -177,8 +177,8 @@ struct _drm_intel_bufmgr {
         * ring buffer
         */
        int (*bo_mrb_exec) (drm_intel_bo *bo, int used,
-                       drm_clip_rect_t *cliprects, int num_cliprects,
-                       int DR4, int ring_flag);
+                           drm_clip_rect_t *cliprects, int num_cliprects,
+                           int DR4, unsigned flags);
 
        /**
         * Pin a buffer to the aperture and fix the offset until unpinned