[PATCH 09/19] drm/amd/display: Disable PSR entry abort to prevent intermittent freezes

Harry Wentland harry.wentland at amd.com
Wed May 31 15:52:08 UTC 2017


From: Amy Zhang <Amy.Zhang at amd.com>

Change-Id: I8beaae4b027868ed3a088d89b2396b0097611830
Signed-off-by: Amy Zhang <Amy.Zhang at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <Harry.Wentland at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 59977640f938..79f3947a3ee1 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1550,6 +1550,11 @@ bool dc_link_setup_psr(const struct dc_link *dc_link,
 		 */
 		psr_context.psr_level.bits.SKIP_SMU_NOTIFICATION = 1;
 
+		/* Complete PSR entry before aborting to prevent intermittent
+		 * freezes on certain eDPs
+		 */
+		psr_context.psr_level.bits.DISABLE_PSR_ENTRY_ABORT = 1;
+
 		/* Controls additional delay after remote frame capture before
 		 * continuing power down, default = 0
 		 */
-- 
2.11.0



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