drm/i915: Namespace pfit registers properly

Give the PFIT_CONTROL bits a consistent namespace.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230418175528.13117-7-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/display/intel_lvds.c

@@ -150,7 +150,7 @@ static void intel_lvds_get_config(struct intel_encoder *encoder,
 	if (DISPLAY_VER(dev_priv) < 4) {
 		tmp = intel_de_read(dev_priv, PFIT_CONTROL);
 
-		crtc_state->gmch_pfit.control |= tmp & PANEL_8TO6_DITHER_ENABLE;
+		crtc_state->gmch_pfit.control |= tmp & PFIT_PANEL_8TO6_DITHER_ENABLE;
 	}
 
 	crtc_state->hw.adjusted_mode.crtc_clock = crtc_state->port_clock;

drivers/gpu/drm/i915/display/intel_overlay.c

@@ -948,7 +948,7 @@ static void update_pfit_vscale_ratio(struct intel_overlay *overlay)
 	} else {
 		u32 tmp;
 
-		if (intel_de_read(dev_priv, PFIT_CONTROL) & VERT_AUTO_SCALE)
+		if (intel_de_read(dev_priv, PFIT_CONTROL) & PFIT_VERT_AUTO_SCALE)
 			tmp = intel_de_read(dev_priv, PFIT_AUTO_RATIOS);
 		else
 			tmp = intel_de_read(dev_priv, PFIT_PGM_RATIOS);

drivers/gpu/drm/i915/display/intel_panel.c

@@ -567,8 +567,8 @@ static void i9xx_scale_aspect(struct intel_crtc_state *crtc_state,
 			*pfit_pgm_ratios |= (PFIT_HORIZ_SCALE(bits) |
 					     PFIT_VERT_SCALE(bits));
 			*pfit_control |= (PFIT_ENABLE |
-					  VERT_INTERP_BILINEAR |
-					  HORIZ_INTERP_BILINEAR);
+					  PFIT_VERT_INTERP_BILINEAR |
+					  PFIT_HORIZ_INTERP_BILINEAR);
 		}
 	} else if (scaled_width < scaled_height) { /* letter */
 		centre_vertically(adjusted_mode,
@@ -582,15 +582,16 @@ static void i9xx_scale_aspect(struct intel_crtc_state *crtc_state,
 			*pfit_pgm_ratios |= (PFIT_HORIZ_SCALE(bits) |
 					     PFIT_VERT_SCALE(bits));
 			*pfit_control |= (PFIT_ENABLE |
-					  VERT_INTERP_BILINEAR |
-					  HORIZ_INTERP_BILINEAR);
+					  PFIT_VERT_INTERP_BILINEAR |
+					  PFIT_HORIZ_INTERP_BILINEAR);
 		}
 	} else {
 		/* Aspects match, Let hw scale both directions */
 		*pfit_control |= (PFIT_ENABLE |
-				  VERT_AUTO_SCALE | HORIZ_AUTO_SCALE |
-				  VERT_INTERP_BILINEAR |
-				  HORIZ_INTERP_BILINEAR);
+				  PFIT_VERT_AUTO_SCALE |
+				  PFIT_HORIZ_AUTO_SCALE |
+				  PFIT_VERT_INTERP_BILINEAR |
+				  PFIT_HORIZ_INTERP_BILINEAR);
 	}
 }
 
@@ -638,10 +639,10 @@ static int gmch_panel_fitting(struct intel_crtc_state *crtc_state,
 			if (DISPLAY_VER(dev_priv) >= 4)
 				pfit_control |= PFIT_SCALING_AUTO;
 			else
-				pfit_control |= (VERT_AUTO_SCALE |
-						 VERT_INTERP_BILINEAR |
-						 HORIZ_AUTO_SCALE |
-						 HORIZ_INTERP_BILINEAR);
+				pfit_control |= (PFIT_VERT_AUTO_SCALE |
+						 PFIT_VERT_INTERP_BILINEAR |
+						 PFIT_HORIZ_AUTO_SCALE |
+						 PFIT_HORIZ_INTERP_BILINEAR);
 		}
 		break;
 	default:
@@ -662,7 +663,7 @@ static int gmch_panel_fitting(struct intel_crtc_state *crtc_state,
 
 	/* Make sure pre-965 set dither correctly for 18bpp panels. */
 	if (DISPLAY_VER(dev_priv) < 4 && crtc_state->pipe_bpp == 18)
-		pfit_control |= PANEL_8TO6_DITHER_ENABLE;
+		pfit_control |= PFIT_PANEL_8TO6_DITHER_ENABLE;
 
 	crtc_state->gmch_pfit.control = pfit_control;
 	crtc_state->gmch_pfit.pgm_ratios = pfit_pgm_ratios;

drivers/gpu/drm/i915/i915_reg.h

@@ -2339,13 +2339,13 @@
 #define   PFIT_FILTER_FUZZY		REG_FIELD_PREP(PFIT_FILTER_MASK, 0)
 #define   PFIT_FILTER_CRISP		REG_FIELD_PREP(PFIT_FILTER_MASK, 1)
 #define   PFIT_FILTER_MEDIAN		REG_FIELD_PREP(PFIT_FILTER_MASK, 2)
-#define   VERT_INTERP_MASK		REG_GENMASK(11, 10) /* pre-965 */
-#define   VERT_INTERP_BILINEAR		REG_FIELD_PREP(VERT_INTERP_MASK, 1)
-#define   VERT_AUTO_SCALE		REG_BIT(9) /* pre-965 */
-#define   HORIZ_INTERP_MASK		REG_GENMASK(7, 6) /* pre-965 */
-#define   HORIZ_INTERP_BILINEAR		REG_FIELD_PREP(HORIZ_INTERP_MASK, 1)
-#define   HORIZ_AUTO_SCALE		REG_BIT(5) /* pre-965 */
-#define   PANEL_8TO6_DITHER_ENABLE	REG_BIT(3) /* pre-965 */
+#define   PFIT_VERT_INTERP_MASK		REG_GENMASK(11, 10) /* pre-965 */
+#define   PFIT_VERT_INTERP_BILINEAR	REG_FIELD_PREP(PFIT_VERT_INTERP_MASK, 1)
+#define   PFIT_VERT_AUTO_SCALE		REG_BIT(9) /* pre-965 */
+#define   PFIT_HORIZ_INTERP_MASK	REG_GENMASK(7, 6) /* pre-965 */
+#define   PFIT_HORIZ_INTERP_BILINEAR	REG_FIELD_PREP(PFIT_HORIZ_INTERP_MASK, 1)
+#define   PFIT_HORIZ_AUTO_SCALE		REG_BIT(5) /* pre-965 */
+#define   PFIT_PANEL_8TO6_DITHER_ENABLE	REG_BIT(3) /* pre-965 */
 
 #define PFIT_PGM_RATIOS _MMIO(DISPLAY_MMIO_BASE(dev_priv) + 0x61234)
 #define   PFIT_VERT_SCALE_MASK		REG_GENMASK(31, 20) /* pre-965 */