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authorEric Anholt <eric@anholt.net>2012-08-01 16:43:16 -0700
committerEric Anholt <eric@anholt.net>2012-08-10 09:48:07 -0700
commit2607dad20b8dffce96608103def75d26ea0e42b2 (patch)
treef925ffa2372b7b442da69792bcac754ac7fd31a8 /intel
parent934ea3b32127ea2a4ba5bf14228af6c60d3437b6 (diff)
intel: Add a function for the new register read ioctl.
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Diffstat (limited to 'intel')
-rw-r--r--intel/intel_bufmgr.h3
-rw-r--r--intel/intel_bufmgr_gem.c18
2 files changed, 21 insertions, 0 deletions
diff --git a/intel/intel_bufmgr.h b/intel/intel_bufmgr.h
index 2167e43b..8d7f2390 100644
--- a/intel/intel_bufmgr.h
+++ b/intel/intel_bufmgr.h
@@ -241,6 +241,9 @@ void drm_intel_decode_set_head_tail(struct drm_intel_decode *ctx,
void drm_intel_decode_set_output_file(struct drm_intel_decode *ctx, FILE *out);
void drm_intel_decode(struct drm_intel_decode *ctx);
+int drm_intel_reg_read(drm_intel_bufmgr *bufmgr,
+ uint32_t offset,
+ uint64_t *result);
/** @{ Compatibility defines to keep old code building despite the symbol rename
* from dri_* to drm_intel_*
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index ec64e0a3..0ea6260d 100644
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -2947,6 +2947,24 @@ drm_intel_gem_context_destroy(drm_intel_context *ctx)
free(ctx);
}
+int
+drm_intel_reg_read(drm_intel_bufmgr *bufmgr,
+ uint32_t offset,
+ uint64_t *result)
+{
+ drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *)bufmgr;
+ struct drm_i915_reg_read reg_read;
+ int ret;
+
+ VG_CLEAR(reg_read);
+ reg_read.offset = offset;
+
+ ret = drmIoctl(bufmgr_gem->fd, DRM_IOCTL_I915_REG_READ, &reg_read);
+
+ *result = reg_read.val;
+ return ret;
+}
+
/**
* Annotate the given bo for use in aub dumping.