[PATCH 17/28] drm/amd/display: Send IPSExit unconditionally.
Ray Wu
ray.wu at amd.com
Mon Apr 28 13:50:47 UTC 2025
From: JinZe Xu <JinZe.Xu at amd.com>
[Why&How]
PMFW needs to flush page cache in IPSExit.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas at amd.com>
Signed-off-by: JinZe Xu <JinZe.Xu at amd.com>
Signed-off-by: Ray Wu <ray.wu at amd.com>
---
drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
index ca6da53f45ad..a3fbb9f5b4a6 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
@@ -1365,14 +1365,15 @@ static void dc_dmub_srv_exit_low_power_state(const struct dc *dc)
if (!dc->debug.optimize_ips_handshake || !ips_fw->signals.bits.ips2_commit)
udelay(dc->debug.ips2_eval_delay_us);
- if (ips_fw->signals.bits.ips2_commit) {
- DC_LOG_IPS(
- "exit IPS2 #1 (ips1_commit=%u ips2_commit=%u)",
- ips_fw->signals.bits.ips1_commit,
- ips_fw->signals.bits.ips2_commit);
+ DC_LOG_IPS(
+ "exit IPS2 #1 (ips1_commit=%u ips2_commit=%u)",
+ ips_fw->signals.bits.ips1_commit,
+ ips_fw->signals.bits.ips2_commit);
- // Tell PMFW to exit low power state
- dc->clk_mgr->funcs->exit_low_power_state(dc->clk_mgr);
+ // Tell PMFW to exit low power state
+ dc->clk_mgr->funcs->exit_low_power_state(dc->clk_mgr);
+
+ if (ips_fw->signals.bits.ips2_commit) {
DC_LOG_IPS(
"wait IPS2 entry delay (ips1_commit=%u ips2_commit=%u)",
--
2.43.0
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