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authorJouni Högander <jouni.hogander@intel.com>2026-01-27 15:41:20 +0300
committerJouni Högander <jouni.hogander@intel.com>2026-02-02 09:13:40 +0300
commit129a4da117075746bd1a0809f684fc1c7eabfd65 (patch)
treef9f4cd365ca9b19c5310c32ef35638aba02dead9 /drivers/gpu
parent8c55f7afde2e76ec4053646fe5744de638a39cff (diff)
downloadlinux-129a4da117075746bd1a0809f684fc1c7eabfd65.tar.xz
drm/i915/psr: Use TRANS_PUSH to trigger frame change event
Now we have everything in place for triggering PSR "frame change" event using TRANS_PUSH: use TRANS_PUSH for LunarLake and onwards. v4: - Added call to intel_vrr_psr_frame_change_enable call - added setting LNL_TRANS_PUSH_PSR_PR_EN into intel_vrr_send_push v3: use HAS_PSR_FRAME_CHANGE macro v2: use AND instead of OR in intel_psr_use_trans_push Signed-off-by: Jouni Högander <jouni.hogander@intel.com> Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com> Link: https://patch.msgid.link/20260127124120.1069026-12-jouni.hogander@intel.com
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/display/intel_psr.c8
-rw-r--r--drivers/gpu/drm/i915/display/intel_vrr.c3
2 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index 9a4354c6bdda..4e644711c571 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -2125,6 +2125,9 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp,
intel_dmc_block_pkgc(display, intel_dp->psr.pipe, true);
intel_alpm_configure(intel_dp, crtc_state);
+
+ if (HAS_PSR_TRANS_PUSH_FRAME_CHANGE(display))
+ intel_vrr_psr_frame_change_enable(crtc_state);
}
static bool psr_interrupt_error_check(struct intel_dp *intel_dp)
@@ -4569,6 +4572,7 @@ int intel_psr_min_guardband(struct intel_crtc_state *crtc_state)
bool intel_psr_use_trans_push(const struct intel_crtc_state *crtc_state)
{
- /* TODO: Enable using trans push when everything is in place */
- return false;
+ struct intel_display *display = to_intel_display(crtc_state);
+
+ return HAS_PSR_TRANS_PUSH_FRAME_CHANGE(display) && crtc_state->has_psr;
}
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index 8a072f90049f..9d814cc2d608 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -689,6 +689,9 @@ static u32 trans_vrr_push(const struct intel_crtc_state *crtc_state,
if (send_push)
trans_vrr_push |= TRANS_PUSH_SEND;
+ if (HAS_PSR_TRANS_PUSH_FRAME_CHANGE(display))
+ trans_vrr_push |= LNL_TRANS_PUSH_PSR_PR_EN;
+
return trans_vrr_push;
}