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authorKenneth Graunke <kenneth@whitecape.org>2014-02-26 23:59:31 -0800
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-03-05 21:30:29 +0100
commit1411e6a57a1836ba8a3d4f17c8733b2fbaf0f005 (patch)
tree6aaf52e8bdfe82e992859a3d5250464fb422c4d6 /drivers/gpu/drm/i915/i915_reg.h
parentc8966e1058e1e8ae2eec4211157847032829697a (diff)
drm/i915: Add thread stall DOP clock gating workaround on Broadwell.
Ben and I believe this will be necessary on production hardware. Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> [danvet: Shuffle lines to group all ROW_CHICKEN writes and add a cautious comment that this might not be needed on production hw.] Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Ben Widawsky <ben@bwidawsk.net> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index d575baf52d5..aa8390978e6 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5050,6 +5050,7 @@
#define GEN8_ROW_CHICKEN 0xe4f0
#define PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE (1<<8)
+#define STALL_DOP_GATING_DISABLE (1<<5)
#define GEN7_ROW_CHICKEN2 0xe4f4
#define GEN7_ROW_CHICKEN2_GT2 0xf4f4