drm/i915: Add functions to emit register offsets to the ring

When register type safety happens, we can't just try to emit the
register itself to the ring. Instead we'll need to extract the
offset from it first. Add some convenience functions that will do
that.

v2: Convert MOCS setup too

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1446672017-24497-20-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Ville Syrjälä
2015-11-04 23:20:07 +02:00
parent e597ef4045
commit f92a916220
10 changed files with 33 additions and 23 deletions

View File

@@ -731,7 +731,7 @@ static int intel_ring_workarounds_emit(struct drm_i915_gem_request *req)
intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(w->count));
for (i = 0; i < w->count; i++) {
intel_ring_emit(ring, w->reg[i].addr);
intel_ring_emit_reg(ring, w->reg[i].addr);
intel_ring_emit(ring, w->reg[i].value);
}
intel_ring_emit(ring, MI_NOOP);
@@ -1313,7 +1313,7 @@ static int gen6_signal(struct drm_i915_gem_request *signaller_req,
if (mbox_reg != GEN6_NOSYNC) {
u32 seqno = i915_gem_request_get_seqno(signaller_req);
intel_ring_emit(signaller, MI_LOAD_REGISTER_IMM(1));
intel_ring_emit(signaller, mbox_reg);
intel_ring_emit_reg(signaller, mbox_reg);
intel_ring_emit(signaller, seqno);
}
}