Set the Async Address Update Enable bit in plane ctl
when async flip is requested.
v2: -Move the Async flip enablement to individual patch (Paulo)
v3: -Rebased.
v4: -Add separate plane hook for async flip case (Ville)
v5: -Rebased.
v6: -Move the plane hook to separate patch. (Paulo)
-Remove the early return in skl_plane_ctl. (Paulo)
v7: -Move async address update enable to skl_plane_ctl_crtc() (Ville)
Signed-off-by: Karthik B S <karthik.b.s@xxxxxxxxx>
Signed-off-by: Vandita Kulkarni <vandita.kulkarni@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_display.c | 3 +++
drivers/gpu/drm/i915/i915_reg.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 25cea9592891..c795ea01cec3 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -4784,6 +4784,9 @@ u32 skl_plane_ctl_crtc(const struct intel_crtc_state *crtc_state)
struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev);
u32 plane_ctl = 0;
+ if (crtc_state->uapi.async_flip)
+ plane_ctl |= PLANE_CTL_ASYNC_FLIP;
+
if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
return plane_ctl;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index ab4b1abd4364..abf43e63264c 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -6924,6 +6924,7 @@ enum {
#define PLANE_CTL_TILED_X (1 << 10)
#define PLANE_CTL_TILED_Y (4 << 10)
#define PLANE_CTL_TILED_YF (5 << 10)
+#define PLANE_CTL_ASYNC_FLIP (1 << 9)
#define PLANE_CTL_FLIP_HORIZONTAL (1 << 8)
#define PLANE_CTL_MEDIA_DECOMPRESSION_ENABLE (1 << 4) /* TGL+ */
#define PLANE_CTL_ALPHA_MASK (0x3 << 4) /* Pre-GLK */
--
2.22.0
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