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drm/amd/display: Send IPSExit unconditionally.

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[Why&How]
PMFW needs to flush page cache in IPSExit.

Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: JinZe Xu <JinZe.Xu@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
JinZe Xu
2025-04-23 18:17:30 +08:00
committed by Alex Deucher
parent 18a77bda7a
commit a9cbeb6059
1 changed files with 8 additions and 7 deletions
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15
drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
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@@ -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)",