[Intel-gfx] [PATCH 13/15] drm/i915: Define bitmasks for sik+ scaler 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 skl+ scaler window pos/size registers.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/skl_scaler.c | 14 ++++++++------
 drivers/gpu/drm/i915/i915_reg.h           |  8 ++++++++
 2 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/skl_scaler.c b/drivers/gpu/drm/i915/display/skl_scaler.c
index 4437d130293a..1e7c97243fcf 100644
--- a/drivers/gpu/drm/i915/display/skl_scaler.c
+++ b/drivers/gpu/drm/i915/display/skl_scaler.c
@@ -754,9 +754,9 @@ void skl_pfit_enable(const struct intel_crtc_state *crtc_state)
 	intel_de_write_fw(dev_priv, SKL_PS_HPHASE(pipe, id),
 			  PS_Y_PHASE(0) | PS_UV_RGB_PHASE(uv_rgb_hphase));
 	intel_de_write_fw(dev_priv, SKL_PS_WIN_POS(pipe, id),
-			  x << 16 | y);
+			  PS_WIN_XPOS(x) | PS_WIN_YPOS(y));
 	intel_de_write_fw(dev_priv, SKL_PS_WIN_SZ(pipe, id),
-			  width << 16 | height);
+			  PS_WIN_XSIZE(width) | PS_WIN_YSIZE(height));
 }
 
 void
@@ -816,9 +816,9 @@ skl_program_plane_scaler(struct intel_plane *plane,
 	intel_de_write_fw(dev_priv, SKL_PS_HPHASE(pipe, scaler_id),
 			  PS_Y_PHASE(y_hphase) | PS_UV_RGB_PHASE(uv_rgb_hphase));
 	intel_de_write_fw(dev_priv, SKL_PS_WIN_POS(pipe, scaler_id),
-			  (crtc_x << 16) | crtc_y);
+			  PS_WIN_XPOS(crtc_x) | PS_WIN_YPOS(crtc_y));
 	intel_de_write_fw(dev_priv, SKL_PS_WIN_SZ(pipe, scaler_id),
-			  (crtc_w << 16) | crtc_h);
+			  PS_WIN_XSIZE(crtc_w) | PS_WIN_YSIZE(crtc_h));
 }
 
 static void skl_detach_scaler(struct intel_crtc *crtc, int id)
@@ -880,8 +880,10 @@ void skl_scaler_get_config(struct intel_crtc_state *crtc_state)
 		size = intel_de_read(dev_priv, SKL_PS_WIN_SZ(crtc->pipe, i));
 
 		drm_rect_init(&crtc_state->pch_pfit.dst,
-			      pos >> 16, pos & 0xffff,
-			      size >> 16, size & 0xffff);
+			      REG_FIELD_GET(PS_WIN_XPOS_MASK, pos),
+			      REG_FIELD_GET(PS_WIN_YPOS_MASK, pos),
+			      REG_FIELD_GET(PS_WIN_XSIZE_MASK, size),
+			      REG_FIELD_GET(PS_WIN_YSIZE_MASK, size));
 
 		scaler_state->scalers[i].in_use = true;
 		break;
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index a5ae291de55b..68581864fb44 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4101,12 +4101,20 @@
 #define _PS_WIN_POS_1B      0x68970
 #define _PS_WIN_POS_2B      0x68A70
 #define _PS_WIN_POS_1C      0x69170
+#define   PS_WIN_XPOS_MASK			REG_GENMASK(28, 16)
+#define   PS_WIN_XPOS(x)			REG_FIELD_PREP(PS_WIN_XPOS_MASK, (x))
+#define   PS_WIN_YPOS_MASK			REG_GENMASK(12, 0)
+#define   PS_WIN_YPOS(y)			REG_FIELD_PREP(PS_WIN_YPOS_MASK, (y))
 
 #define _PS_WIN_SZ_1A       0x68174
 #define _PS_WIN_SZ_2A       0x68274
 #define _PS_WIN_SZ_1B       0x68974
 #define _PS_WIN_SZ_2B       0x68A74
 #define _PS_WIN_SZ_1C       0x69174
+#define   PS_WIN_XSIZE_MASK			REG_GENMASK(29, 16)
+#define   PS_WIN_XSIZE(w)			REG_FIELD_PREP(PS_WIN_XSIZE_MASK, (w))
+#define   PS_WIN_YSIZE_MASK			REG_GENMASK(12, 0)
+#define   PS_WIN_YSIZE(h)			REG_FIELD_PREP(PS_WIN_YSIZE_MASK, (h))
 
 #define _PS_VSCALE_1A       0x68184
 #define _PS_VSCALE_2A       0x68284
-- 
2.39.2