For ICL the bit 12 of CHICKEN_TRANS is reserved so we should not
touch it and as by default VSC_DATA_SEL_SOFTWARE_CONTROL is already
unset in gen10 + GLK we can just drop it and fix for both gens.
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_psr.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index e463bef3c804..b513a15d60e1 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -649,17 +649,14 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
hsw_psr_setup_aux(intel_dp);
- if (dev_priv->psr.psr2_enabled) {
+ if (dev_priv->psr.psr2_enabled && (IS_GEN9(dev_priv) &&
+ !IS_GEMINILAKE(dev_priv))) {
i915_reg_t reg = gen9_chicken_trans_reg(dev_priv,
cpu_transcoder);
u32 chicken = I915_READ(reg);
- if (IS_GEN9(dev_priv) && !IS_GEMINILAKE(dev_priv))
- chicken |= (PSR2_VSC_ENABLE_PROG_HEADER
- | PSR2_ADD_VERTICAL_LINE_COUNT);
-
- else
- chicken &= ~VSC_DATA_SEL_SOFTWARE_CONTROL;
+ chicken |= PSR2_VSC_ENABLE_PROG_HEADER |
+ PSR2_ADD_VERTICAL_LINE_COUNT;
I915_WRITE(reg, chicken);
}
--
2.19.2
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