[Intel-gfx] [PATCH 09/15] drm/i915: Define bitmasks for ilk pfit window pos/size

[Ville Syrjala <ville.syrjala@linux.intel.com>]

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

Define and use the bitmasks for the x/y components
of the ilk+ panel filter window pos/size registers.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.c | 12 ++++++++----
 drivers/gpu/drm/i915/i915_reg.h              |  8 ++++++++
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index fb49d0ed61b4..626a5f41a1f1 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -812,8 +812,10 @@ static void ilk_pfit_enable(const struct intel_crtc_state *crtc_state)
 	else
 		intel_de_write_fw(dev_priv, PF_CTL(pipe), PF_ENABLE |
 				  PF_FILTER_MED_3x3);
-	intel_de_write_fw(dev_priv, PF_WIN_POS(pipe), x << 16 | y);
-	intel_de_write_fw(dev_priv, PF_WIN_SZ(pipe), width << 16 | height);
+	intel_de_write_fw(dev_priv, PF_WIN_POS(pipe),
+			  PF_WIN_XPOS(x) | PF_WIN_YPOS(y));
+	intel_de_write_fw(dev_priv, PF_WIN_SZ(pipe),
+			  PF_WIN_XSIZE(width) | PF_WIN_YSIZE(height));
 }
 
 static void intel_crtc_dpms_overlay_disable(struct intel_crtc *crtc)
@@ -3246,8 +3248,10 @@ static void ilk_get_pfit_config(struct intel_crtc_state *crtc_state)
 	size = intel_de_read(dev_priv, PF_WIN_SZ(crtc->pipe));
 
 	drm_rect_init(&crtc_state->pch_pfit.dst,
-		      pos >> 16, pos & 0xffff,
-		      size >> 16, size & 0xffff);
+		      REG_FIELD_GET(PF_WIN_XPOS_MASK, pos),
+		      REG_FIELD_GET(PF_WIN_YPOS_MASK, pos),
+		      REG_FIELD_GET(PF_WIN_XSIZE_MASK, size),
+		      REG_FIELD_GET(PF_WIN_YSIZE_MASK, size));
 
 	/*
 	 * We currently do not free assignements of panel fitters on
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 3c02f6c70733..75e1f30adda1 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4020,8 +4020,16 @@
 #define   PF_FILTER_EDGE_SOFTEN		REG_FIELD_PREP(PF_FILTER_EDGE_MASK, 3)
 #define _PFA_WIN_SZ		0x68074
 #define _PFB_WIN_SZ		0x68874
+#define   PF_WIN_XSIZE_MASK	REG_GENMASK(28, 16)
+#define   PF_WIN_XSIZE(w)	REG_FIELD_PREP(PF_WIN_XSIZE_MASK, (w))
+#define   PF_WIN_YSIZE_MASK	REG_GENMASK(11, 0)
+#define   PF_WIN_YSIZE(h)	REG_FIELD_PREP(PF_WIN_YSIZE_MASK, (h))
 #define _PFA_WIN_POS		0x68070
 #define _PFB_WIN_POS		0x68870
+#define   PF_WIN_XPOS_MASK	REG_GENMASK(28, 16)
+#define   PF_WIN_XPOS(x)	REG_FIELD_PREP(PF_WIN_XPOS_MASK, (x))
+#define   PF_WIN_YPOS_MASK	REG_GENMASK(11, 0)
+#define   PF_WIN_YPOS(y)	REG_FIELD_PREP(PF_WIN_YPOS_MASK, (y))
 #define _PFA_VSCALE		0x68084
 #define _PFB_VSCALE		0x68884
 #define _PFA_HSCALE		0x68090
-- 
2.39.2