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authorChia-I Wu <[email protected]>2014-03-10 12:11:33 +0800
committerChia-I Wu <[email protected]>2014-03-10 16:42:42 +0800
commitd80f0c34b733a874adfdd3a2267e4deec345cc6b (patch)
tree95b475e21db77313948b1bc711198bb316da54b5 /src/gallium/winsys/intel/drm
parent0b462d3ab13af9bba9c9b21bf67de6d2b1857786 (diff)
ilo: set I915_EXEC_NO_RELOC when available
The winsys makes it clear that the pipe drivers should write presumed offsets. We can always set I915_EXEC_NO_RELOC when the kernel supports it.
Diffstat (limited to 'src/gallium/winsys/intel/drm')
-rw-r--r--src/gallium/winsys/intel/drm/intel_drm_winsys.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/src/gallium/winsys/intel/drm/intel_drm_winsys.c b/src/gallium/winsys/intel/drm/intel_drm_winsys.c
index 1dc9b1cfefc..364f221dc2f 100644
--- a/src/gallium/winsys/intel/drm/intel_drm_winsys.c
+++ b/src/gallium/winsys/intel/drm/intel_drm_winsys.c
@@ -48,6 +48,7 @@ struct intel_winsys {
int fd;
drm_intel_bufmgr *bufmgr;
struct intel_winsys_info info;
+ unsigned long exec_flags;
struct drm_intel_decode *decode;
};
@@ -108,7 +109,7 @@ test_reg_read(struct intel_winsys *winsys, uint32_t reg)
}
static bool
-init_info(struct intel_winsys *winsys)
+probe_winsys(struct intel_winsys *winsys)
{
struct intel_winsys_info *info = &winsys->info;
int val;
@@ -147,6 +148,14 @@ init_info(struct intel_winsys *winsys)
get_param(winsys, I915_PARAM_HAS_GEN7_SOL_RESET, &val);
info->has_gen7_sol_reset = val;
+ /*
+ * pipe drivers are expected to write the presumed offsets after adding
+ * reloc entries
+ */
+ get_param(winsys, I915_PARAM_HAS_EXEC_NO_RELOC, &val);
+ if (val)
+ winsys->exec_flags |= I915_EXEC_NO_RELOC;
+
return true;
}
@@ -168,7 +177,7 @@ intel_winsys_create_for_fd(int fd)
return NULL;
}
- if (!init_info(winsys)) {
+ if (!probe_winsys(winsys)) {
drm_intel_bufmgr_destroy(winsys->bufmgr);
FREE(winsys);
return NULL;
@@ -384,7 +393,8 @@ intel_winsys_submit_bo(struct intel_winsys *winsys,
struct intel_context *ctx,
unsigned long flags)
{
- const unsigned long exec_flags = (unsigned long) ring | flags;
+ const unsigned long exec_flags =
+ winsys->exec_flags | (unsigned long) ring | flags;
/* logical contexts are only available for the render ring */
if (ring != INTEL_RING_RENDER)