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-rw-r--r--drivers/gpu/drm/i915/display/intel_crtc.c10
-rw-r--r--drivers/gpu/drm/i915/display/intel_vrr.c12
-rw-r--r--drivers/gpu/drm/i915/display/intel_vrr.h1
3 files changed, 20 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_crtc.c b/drivers/gpu/drm/i915/display/intel_crtc.c
index cf403be7736c..eb5444f90e77 100644
--- a/drivers/gpu/drm/i915/display/intel_crtc.c
+++ b/drivers/gpu/drm/i915/display/intel_crtc.c
@@ -470,10 +470,14 @@ void intel_pipe_update_start(struct intel_crtc_state *new_crtc_state)
if (intel_crtc_needs_vblank_work(new_crtc_state))
intel_crtc_vblank_work_init(new_crtc_state);
- if (new_crtc_state->vrr.enable)
- vblank_start = intel_vrr_vmax_vblank_start(new_crtc_state);
- else
+ if (new_crtc_state->vrr.enable) {
+ if (intel_vrr_is_push_sent(new_crtc_state))
+ vblank_start = intel_vrr_vmin_vblank_start(new_crtc_state);
+ else
+ vblank_start = intel_vrr_vmax_vblank_start(new_crtc_state);
+ } else {
vblank_start = intel_mode_vblank_start(adjusted_mode);
+ }
/* FIXME needs to be calibrated sensibly */
min = vblank_start - intel_usecs_to_scanlines(adjusted_mode,
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index c335b1dbafcf..db1c3902fc2d 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -193,6 +193,18 @@ void intel_vrr_send_push(const struct intel_crtc_state *crtc_state)
TRANS_PUSH_EN | TRANS_PUSH_SEND);
}
+bool intel_vrr_is_push_sent(const struct intel_crtc_state *crtc_state)
+{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+ enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
+
+ if (!crtc_state->vrr.enable)
+ return false;
+
+ return intel_de_read(dev_priv, TRANS_PUSH(cpu_transcoder)) & TRANS_PUSH_SEND;
+}
+
void intel_vrr_disable(const struct intel_crtc_state *old_crtc_state)
{
struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->uapi.crtc);
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.h b/drivers/gpu/drm/i915/display/intel_vrr.h
index 96f9c9c27ab9..1c2da572693d 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.h
+++ b/drivers/gpu/drm/i915/display/intel_vrr.h
@@ -23,6 +23,7 @@ void intel_vrr_compute_config(struct intel_crtc_state *crtc_state,
void intel_vrr_enable(struct intel_encoder *encoder,
const struct intel_crtc_state *crtc_state);
void intel_vrr_send_push(const struct intel_crtc_state *crtc_state);
+bool intel_vrr_is_push_sent(const struct intel_crtc_state *crtc_state);
void intel_vrr_disable(const struct intel_crtc_state *old_crtc_state);
void intel_vrr_get_config(struct intel_crtc *crtc,
struct intel_crtc_state *crtc_state);