[v2,09/40] drm/i915/bdw+: Enable PSR in any eDP port

Commit Message

Lucas De Marchi Aug. 17, 2019, 9:38 a.m. UTC

From: José Roberto de Souza <[e-mail]>

From BDW+ the PSR registers moved from DDIA to transcoder, so any port
with a eDP panel connected can have PSR, so lets remove this
limitation.

Cc: Dhinakaran Pandiyan <[e-mail]>
Cc: Rodrigo Vivi <[e-mail]>
Signed-off-by: José Roberto de Souza <[e-mail]>
Signed-off-by: Lucas De Marchi <[e-mail]>
---
 drivers/gpu/drm/i915/display/intel_psr.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 29169e2435e8..5d7baac1d7c9 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -589,11 +589,9 @@  void intel_psr_compute_config(struct intel_dp *intel_dp,
 
 	/*
 	 * HSW spec explicitly says PSR is tied to port A.
-	 * BDW+ platforms have a instance of PSR registers per transcoder but
-	 * for now it only supports one instance of PSR, so lets keep it
-	 * hardcoded to PORT_A
+	 * BDW+ platforms have a instance of PSR registers per transcoder.
 	 */
-	if (dig_port->base.port != PORT_A) {
+	if (IS_HASWELL(dev_priv) && dig_port->base.port != PORT_A) {
 		DRM_DEBUG_KMS("PSR condition failed: Port not supported\n");
 		return;
 	}