[PATCH 04/25] drm/amd/display: limit the code change to ips enabled asic

Rodrigo Siqueira Rodrigo.Siqueira at amd.com
Wed Apr 10 21:25:53 UTC 2024


From: Charlene Liu <charlene.liu at amd.com>

Limit the code change for ips enable to reduce the impact for now. Also
exit_ips first before dc_power_down to avoid 0x9f.

Reviewed-by: Chris Park <chris.park at amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira at amd.com>
Signed-off-by: Charlene Liu <charlene.liu at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 145cdab92ca0..01c75b66e8f1 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -5042,8 +5042,13 @@ void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src)
 void dc_power_down_on_boot(struct dc *dc)
 {
 	if (dc->ctx->dce_environment != DCE_ENV_VIRTUAL_HW &&
-			dc->hwss.power_down_on_boot)
+			dc->hwss.power_down_on_boot) {
+
+			if (dc->caps.ips_support)
+				dc_exit_ips_for_hw_access(dc);
+
 		dc->hwss.power_down_on_boot(dc);
+	}
 }
 
 void dc_set_power_state(
-- 
2.43.0



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