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authorJosé Roberto de Souza <jose.souza@intel.com>2018-12-03 16:33:58 -0800
committerJosé Roberto de Souza <jose.souza@intel.com>2018-12-04 12:12:31 -0800
commit98751b8cd608a38f810e190c58c94906923ff668 (patch)
treeaf691895ee7c0fac1e2df30234d4cc959cf4e221
parentde570946c0e5a44568c4d40d52042100936f93fd (diff)
drm/i915/psr: Enable sink to trigger a interruption on PSR2 CRC mismatch
eDP spec states 2 different bits to enable sink to trigger a interruption when there is a CRC mismatch. DP_PSR_CRC_VERIFICATION is for PSR only and DP_PSR_IRQ_HPD_WITH_CRC_ERRORS is for PSR2 only. Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181204003403.23361-4-jose.souza@intel.com
-rw-r--r--drivers/gpu/drm/i915/intel_psr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index 8342c33ede04..e463bef3c804 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -394,7 +394,7 @@ static void intel_psr_enable_sink(struct intel_dp *intel_dp)
if (dev_priv->psr.psr2_enabled) {
drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG,
DP_ALPM_ENABLE);
- dpcd_val |= DP_PSR_ENABLE_PSR2;
+ dpcd_val |= DP_PSR_ENABLE_PSR2 | DP_PSR_IRQ_HPD_WITH_CRC_ERRORS;
} else {
if (dev_priv->psr.link_standby)
dpcd_val |= DP_PSR_MAIN_LINK_ACTIVE;