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path: root/drivers/gpu/drm/i915/display/intel_dsb.h
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dsb.h')
-rw-r--r--drivers/gpu/drm/i915/display/intel_dsb.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.h b/drivers/gpu/drm/i915/display/intel_dsb.h
index da6df07a3c83..e843c52bf97c 100644
--- a/drivers/gpu/drm/i915/display/intel_dsb.h
+++ b/drivers/gpu/drm/i915/display/intel_dsb.h
@@ -54,6 +54,9 @@ void intel_dsb_wait_scanline_out(struct intel_atomic_state *state,
int lower, int upper);
void intel_dsb_vblank_evade(struct intel_atomic_state *state,
struct intel_dsb *dsb);
+void intel_dsb_poll(struct intel_dsb *dsb,
+ i915_reg_t reg, u32 mask, u32 val,
+ int wait_us, int count);
void intel_dsb_chain(struct intel_atomic_state *state,
struct intel_dsb *dsb,
struct intel_dsb *chained_dsb,