We are requiring that sink requires Y-coordinate but we are not
sending it in the main-link.
Even if hardware tracking isn't good enough it will not cause
any more issues enabling it.
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_reg.h | 2 ++
drivers/gpu/drm/i915/intel_psr.c | 4 ++--
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a15db41a208a..e9fc1722c0fb 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4132,6 +4132,8 @@ enum {
#define EDP_PSR2_CTL _MMIO(0x6f900)
#define EDP_PSR2_ENABLE (1<<31)
#define EDP_SU_TRACK_ENABLE (1<<30)
+#define EDP_Y_COORDINATE_VALID (1<<26)
+#define EDP_Y_COORDINATE_ENABLE (1<<25)
#define EDP_MAX_SU_DISABLE_TIME(t) ((t)<<20)
#define EDP_MAX_SU_DISABLE_TIME_MASK (0x1f<<20)
#define EDP_PSR2_TP2_TIME_500 (0<<8)
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 62d97d5576d1..c9da1390a727 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -416,8 +416,8 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
/* FIXME: selective update is probably totally broken because it doesn't
* mesh at all with our frontbuffer tracking. And the hw alone isn't
* good enough. */
- val |= EDP_PSR2_ENABLE |
- EDP_SU_TRACK_ENABLE;
+ val |= EDP_PSR2_ENABLE | EDP_SU_TRACK_ENABLE;
+ val |= EDP_Y_COORDINATE_VALID | EDP_Y_COORDINATE_ENABLE;
if (drm_dp_dpcd_readb(&intel_dp->aux,
DP_SYNCHRONIZATION_LATENCY_IN_SINK,
--
2.16.2
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