openbsd/src
1
0
Fork 0
mirror of https://github.com/openbsd/src.git synced 2026-06-18 07:13:36 +02:00
Code Activity

drm/i915/psr: Block DC states on vblank enable when Panel Replay supported

Browse Source 
From Jouni Hogander
fed64e47a32f390fb3a0fc7c87b8ef96c8897333 in linux-6.18.y/6.18.35
8bb9093df555f9e89fdbe1405118b11384c03e04 in mainline linux
This commit is contained in:
jsg
2026-06-10 00:01:49 +00:00
parent 05602d53a4
commit 3733a85a1a
1 changed files with 10 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
sys/dev/pci/drm/i915/display/intel_psr.c
+10 -9
View File
@@ -3982,32 +3982,33 @@ void intel_psr_notify_vblank_enable_disable(struct intel_display *display,
bool enable)
{
struct intel_encoder *encoder;
bool block_dc_states = false;
for_each_intel_encoder_with_psr(display->drm, encoder) {
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
mutex_lock(&intel_dp->psr.lock);
if (intel_dp->psr.panel_replay_enabled) {
mutex_unlock(&intel_dp->psr.lock);
break;
}
if (CAN_PANEL_REPLAY(intel_dp))
block_dc_states = true;
if (intel_dp->psr.enabled && intel_dp->psr.pkg_c_latency_used)
if (intel_dp->psr.enabled && !intel_dp->psr.panel_replay_enabled &&
intel_dp->psr.pkg_c_latency_used)
intel_psr_apply_underrun_on_idle_wa_locked(intel_dp);
mutex_unlock(&intel_dp->psr.lock);
return;
}
/*
* NOTE: intel_display_power_set_target_dc_state is used
* only by PSR * code for DC3CO handling. DC3CO target
* only by PSR code for DC3CO handling. DC3CO target
* state is currently disabled in * PSR code. If DC3CO
* is taken into use we need take that into account here
* as well.
*/
intel_display_power_set_target_dc_state(display, enable ? DC_STATE_DISABLE :
DC_STATE_EN_UPTO_DC6);
if (block_dc_states)
intel_display_power_set_target_dc_state(display, enable ?
DC_STATE_DISABLE :
DC_STATE_EN_UPTO_DC6);
}
static void