Currently we use difference between vactive and vblank delay to
implicitly wait for SCL lines.

Remove the function intel_mode_vblank_delay as we can simply use
the set context latency instead.

Signed-off-by: Ankit Nautiyal <[email protected]>
---
 drivers/gpu/drm/i915/display/intel_dsb.c    | 4 ++--
 drivers/gpu/drm/i915/display/intel_vblank.c | 7 +------
 drivers/gpu/drm/i915/display/intel_vblank.h | 1 -
 3 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c 
b/drivers/gpu/drm/i915/display/intel_dsb.c
index ca31e928ecb0..dfe928aefdcd 100644
--- a/drivers/gpu/drm/i915/display/intel_dsb.c
+++ b/drivers/gpu/drm/i915/display/intel_dsb.c
@@ -130,7 +130,7 @@ static int dsb_vblank_delay(struct intel_atomic_state 
*state,
                 */
                return intel_vrr_scl_delay(crtc_state) + 1;
        else
-               return intel_mode_vblank_delay(&crtc_state->hw.adjusted_mode);
+               return crtc_state->set_context_latency;
 }
 
 static int dsb_vtotal(struct intel_atomic_state *state,
@@ -733,7 +733,7 @@ void intel_dsb_vblank_evade(struct intel_atomic_state 
*state,
                start = end - vblank_delay - latency;
                intel_dsb_wait_scanline_out(state, dsb, start, end);
        } else {
-               int vblank_delay = 
intel_mode_vblank_delay(&crtc_state->hw.adjusted_mode);
+               int vblank_delay = crtc_state->set_context_latency;
 
                end = intel_mode_vblank_start(&crtc_state->hw.adjusted_mode);
                start = end - vblank_delay - latency;
diff --git a/drivers/gpu/drm/i915/display/intel_vblank.c 
b/drivers/gpu/drm/i915/display/intel_vblank.c
index 9441b7bacd27..8c4cb6913ef9 100644
--- a/drivers/gpu/drm/i915/display/intel_vblank.c
+++ b/drivers/gpu/drm/i915/display/intel_vblank.c
@@ -619,11 +619,6 @@ int intel_mode_vtotal(const struct drm_display_mode *mode)
        return vtotal;
 }
 
-int intel_mode_vblank_delay(const struct drm_display_mode *mode)
-{
-       return intel_mode_vblank_start(mode) - intel_mode_vdisplay(mode);
-}
-
 static const struct intel_crtc_state *
 pre_commit_crtc_state(const struct intel_crtc_state *old_crtc_state,
                      const struct intel_crtc_state *new_crtc_state)
@@ -685,7 +680,7 @@ void intel_vblank_evade_init(const struct intel_crtc_state 
*old_crtc_state,
        } else {
                evade->vblank_start = intel_mode_vblank_start(adjusted_mode);
 
-               vblank_delay = intel_mode_vblank_delay(adjusted_mode);
+               vblank_delay = crtc_state->set_context_latency;
        }
 
        /* FIXME needs to be calibrated sensibly */
diff --git a/drivers/gpu/drm/i915/display/intel_vblank.h 
b/drivers/gpu/drm/i915/display/intel_vblank.h
index 21fbb08d61d5..0fd6f7aeffd4 100644
--- a/drivers/gpu/drm/i915/display/intel_vblank.h
+++ b/drivers/gpu/drm/i915/display/intel_vblank.h
@@ -25,7 +25,6 @@ int intel_mode_vdisplay(const struct drm_display_mode *mode);
 int intel_mode_vblank_start(const struct drm_display_mode *mode);
 int intel_mode_vblank_end(const struct drm_display_mode *mode);
 int intel_mode_vtotal(const struct drm_display_mode *mode);
-int intel_mode_vblank_delay(const struct drm_display_mode *mode);
 
 void intel_vblank_evade_init(const struct intel_crtc_state *old_crtc_state,
                             const struct intel_crtc_state *new_crtc_state,
-- 
2.45.2

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