[PATCH 2/6] drm/i915/skl: Remove linetime from skl_wm_values

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Next part of cleaning up the watermark code for skl. This is easy, since
it seems that we never actually needed to keep track of the linetime in
the skl_wm_values struct anyway.

Signed-off-by: Lyude <cpaul@xxxxxxxxxx>
Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_drv.h      | 1 -
 drivers/gpu/drm/i915/intel_display.c | 6 ++++--
 drivers/gpu/drm/i915/intel_pm.c      | 7 +------
 3 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 85e541c..d26e5999 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1643,7 +1643,6 @@ struct skl_ddb_allocation {
 struct skl_wm_values {
 	unsigned dirty_pipes;
 	struct skl_ddb_allocation ddb;
-	uint32_t wm_linetime[I915_MAX_PIPES];
 	uint32_t plane[I915_MAX_PIPES][I915_MAX_PLANES][8];
 	uint32_t plane_trans[I915_MAX_PIPES][I915_MAX_PLANES];
 };
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 17733af..a71d05a 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -14832,6 +14832,8 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc,
 	struct drm_device *dev = crtc->dev;
 	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	struct intel_crtc_state *intel_cstate =
+		to_intel_crtc_state(crtc->state);
 	struct intel_crtc_state *old_intel_state =
 		to_intel_crtc_state(old_crtc_state);
 	bool modeset = needs_modeset(crtc->state);
@@ -14848,13 +14850,13 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc,
 		intel_color_load_luts(crtc->state);
 	}
 
-	if (to_intel_crtc_state(crtc->state)->update_pipe)
+	if (intel_cstate->update_pipe)
 		intel_update_pipe_config(intel_crtc, old_intel_state);
 	else if (INTEL_GEN(dev_priv) >= 9) {
 		skl_detach_scalers(intel_crtc);
 
 		I915_WRITE(PIPE_WM_LINETIME(pipe),
-			   dev_priv->wm.skl_hw.wm_linetime[pipe]);
+			   intel_cstate->wm.skl.optimal.linetime);
 	}
 }
 
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 0383516..af96888 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -3839,8 +3839,6 @@ static void skl_compute_wm_results(struct drm_device *dev,
 		temp |= PLANE_WM_EN;
 
 	r->plane_trans[pipe][PLANE_CURSOR] = temp;
-
-	r->wm_linetime[pipe] = p_wm->linetime;
 }
 
 static void skl_ddb_entry_write(struct drm_i915_private *dev_priv,
@@ -4069,7 +4067,6 @@ skl_copy_wm_for_pipe(struct skl_wm_values *dst,
 		     struct skl_wm_values *src,
 		     enum pipe pipe)
 {
-	dst->wm_linetime[pipe] = src->wm_linetime[pipe];
 	memcpy(dst->plane[pipe], src->plane[pipe],
 	       sizeof(dst->plane[pipe]));
 	memcpy(dst->plane_trans[pipe], src->plane_trans[pipe],
@@ -4320,8 +4317,6 @@ static void skl_pipe_wm_get_hw_state(struct drm_crtc *crtc)
 
 	max_level = ilk_wm_max_level(dev);
 
-	hw->wm_linetime[pipe] = I915_READ(PIPE_WM_LINETIME(pipe));
-
 	for (level = 0; level <= max_level; level++) {
 		for (i = 0; i < intel_num_planes(intel_crtc); i++)
 			hw->plane[pipe][i][level] =
@@ -4338,7 +4333,7 @@ static void skl_pipe_wm_get_hw_state(struct drm_crtc *crtc)
 
 	hw->dirty_pipes |= drm_crtc_mask(crtc);
 
-	active->linetime = hw->wm_linetime[pipe];
+	active->linetime = I915_READ(PIPE_WM_LINETIME(pipe));
 
 	for (level = 0; level <= max_level; level++) {
 		for (i = 0; i < intel_num_planes(intel_crtc); i++) {
-- 
2.7.4

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