drm/i915: Clean up PIPECONF bit defines

Use REG_BIT() & co. for PIPECONF bits, and adjust the
naming of various bits to be more consistent.
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211112193813.8224-5-ville.syrjala@linux.intel.comReviewed-by: NJani Nikula <jani.nikula@intel.com>

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

@@ -1051,7 +1051,7 @@ static void gen11_dsi_enable_transcoder(struct intel_encoder *encoder)
 
 		/* wait for transcoder to be enabled */
 		if (intel_de_wait_for_set(dev_priv, PIPECONF(dsi_trans),
-					  I965_PIPECONF_ACTIVE, 10))
+					  PIPECONF_STATE_ENABLE, 10))
 			drm_err(&dev_priv->drm,
 				"DSI transcoder not enabled\n");
 	}
@@ -1319,7 +1319,7 @@ static void gen11_dsi_disable_transcoder(struct intel_encoder *encoder)
 
 		/* wait for transcoder to be disabled */
 		if (intel_de_wait_for_clear(dev_priv, PIPECONF(dsi_trans),
-					    I965_PIPECONF_ACTIVE, 50))
+					    PIPECONF_STATE_ENABLE, 50))
 			drm_err(&dev_priv->drm,
 				"DSI trancoder not disabled\n");
 	}

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

@@ -391,13 +391,11 @@ intel_wait_for_pipe_off(const struct intel_crtc_state *old_crtc_state)
 
 	if (DISPLAY_VER(dev_priv) >= 4) {
 		enum transcoder cpu_transcoder = old_crtc_state->cpu_transcoder;
-		i915_reg_t reg = PIPECONF(cpu_transcoder);
 
 		/* Wait for the Pipe State to go off */
-		if (intel_de_wait_for_clear(dev_priv, reg,
-					    I965_PIPECONF_ACTIVE, 100))
-			drm_WARN(&dev_priv->drm, 1,
-				 "pipe_off wait timed out\n");
+		if (intel_de_wait_for_clear(dev_priv, PIPECONF(cpu_transcoder),
+					    PIPECONF_STATE_ENABLE, 100))
+			drm_WARN(&dev_priv->drm, 1, "pipe_off wait timed out\n");
 	} else {
 		intel_wait_for_pipe_scanline_stopped(crtc);
 	}
@@ -3378,13 +3376,13 @@ static void i9xx_set_pipeconf(const struct intel_crtc_state *crtc_state)
 
 		switch (crtc_state->pipe_bpp) {
 		case 18:
-			pipeconf |= PIPECONF_6BPC;
+			pipeconf |= PIPECONF_BPC_6;
 			break;
 		case 24:
-			pipeconf |= PIPECONF_8BPC;
+			pipeconf |= PIPECONF_BPC_8;
 			break;
 		case 30:
-			pipeconf |= PIPECONF_10BPC;
+			pipeconf |= PIPECONF_BPC_10;
 			break;
 		default:
 			/* Case prevented by intel_choose_pipe_bpp_dither. */
@@ -3399,7 +3397,7 @@ static void i9xx_set_pipeconf(const struct intel_crtc_state *crtc_state)
 		else
 			pipeconf |= PIPECONF_INTERLACE_W_SYNC_SHIFT;
 	} else {
-		pipeconf |= PIPECONF_PROGRESSIVE;
+		pipeconf |= PIPECONF_INTERLACE_PROGRESSIVE;
 	}
 
 	if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
@@ -3577,16 +3575,17 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
 	if (IS_G4X(dev_priv) || IS_VALLEYVIEW(dev_priv) ||
 	    IS_CHERRYVIEW(dev_priv)) {
 		switch (tmp & PIPECONF_BPC_MASK) {
-		case PIPECONF_6BPC:
+		case PIPECONF_BPC_6:
 			pipe_config->pipe_bpp = 18;
 			break;
-		case PIPECONF_8BPC:
+		case PIPECONF_BPC_8:
 			pipe_config->pipe_bpp = 24;
 			break;
-		case PIPECONF_10BPC:
+		case PIPECONF_BPC_10:
 			pipe_config->pipe_bpp = 30;
 			break;
 		default:
+			MISSING_CASE(tmp);
 			break;
 		}
 	}
@@ -3595,8 +3594,7 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
 	    (tmp & PIPECONF_COLOR_RANGE_SELECT))
 		pipe_config->limited_color_range = true;
 
-	pipe_config->gamma_mode = (tmp & PIPECONF_GAMMA_MODE_MASK_I9XX) >>
-		PIPECONF_GAMMA_MODE_SHIFT;
+	pipe_config->gamma_mode = REG_FIELD_GET(PIPECONF_GAMMA_MODE_MASK_I9XX, tmp);
 
 	if (IS_CHERRYVIEW(dev_priv))
 		pipe_config->cgm_mode = intel_de_read(dev_priv,
@@ -3683,16 +3681,16 @@ static void ilk_set_pipeconf(const struct intel_crtc_state *crtc_state)
 
 	switch (crtc_state->pipe_bpp) {
 	case 18:
-		val |= PIPECONF_6BPC;
+		val |= PIPECONF_BPC_6;
 		break;
 	case 24:
-		val |= PIPECONF_8BPC;
+		val |= PIPECONF_BPC_8;
 		break;
 	case 30:
-		val |= PIPECONF_10BPC;
+		val |= PIPECONF_BPC_10;
 		break;
 	case 36:
-		val |= PIPECONF_12BPC;
+		val |= PIPECONF_BPC_12;
 		break;
 	default:
 		/* Case prevented by intel_choose_pipe_bpp_dither. */
@@ -3700,12 +3698,12 @@ static void ilk_set_pipeconf(const struct intel_crtc_state *crtc_state)
 	}
 
 	if (crtc_state->dither)
-		val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP);
+		val |= PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP;
 
 	if (crtc_state->hw.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE)
-		val |= PIPECONF_INTERLACED_ILK;
+		val |= PIPECONF_INTERLACE_IF_ID_ILK;
 	else
-		val |= PIPECONF_PROGRESSIVE;
+		val |= PIPECONF_INTERLACE_PF_PD_ILK;
 
 	/*
 	 * This would end up with an odd purple hue over
@@ -3737,12 +3735,12 @@ static void hsw_set_transconf(const struct intel_crtc_state *crtc_state)
 	u32 val = 0;
 
 	if (IS_HASWELL(dev_priv) && crtc_state->dither)
-		val |= (PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP);
+		val |= PIPECONF_DITHER_EN | PIPECONF_DITHER_TYPE_SP;
 
 	if (crtc_state->hw.adjusted_mode.flags & DRM_MODE_FLAG_INTERLACE)
-		val |= PIPECONF_INTERLACED_ILK;
+		val |= PIPECONF_INTERLACE_IF_ID_ILK;
 	else
-		val |= PIPECONF_PROGRESSIVE;
+		val |= PIPECONF_INTERLACE_PF_PD_ILK;
 
 	if (IS_HASWELL(dev_priv) &&
 	    crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB)
@@ -4036,16 +4034,16 @@ static bool ilk_get_pipe_config(struct intel_crtc *crtc,
 		goto out;
 
 	switch (tmp & PIPECONF_BPC_MASK) {
-	case PIPECONF_6BPC:
+	case PIPECONF_BPC_6:
 		pipe_config->pipe_bpp = 18;
 		break;
-	case PIPECONF_8BPC:
+	case PIPECONF_BPC_8:
 		pipe_config->pipe_bpp = 24;
 		break;
-	case PIPECONF_10BPC:
+	case PIPECONF_BPC_10:
 		pipe_config->pipe_bpp = 30;
 		break;
-	case PIPECONF_12BPC:
+	case PIPECONF_BPC_12:
 		pipe_config->pipe_bpp = 36;
 		break;
 	default:
@@ -4065,8 +4063,7 @@ static bool ilk_get_pipe_config(struct intel_crtc *crtc,
 		break;
 	}
 
-	pipe_config->gamma_mode = (tmp & PIPECONF_GAMMA_MODE_MASK_ILK) >>
-		PIPECONF_GAMMA_MODE_SHIFT;
+	pipe_config->gamma_mode = REG_FIELD_GET(PIPECONF_GAMMA_MODE_MASK_ILK, tmp);
 
 	pipe_config->csc_mode = intel_de_read(dev_priv,
 					      PIPE_CSC_MODE(crtc->pipe));
@@ -10008,8 +10005,7 @@ void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe)
 		udelay(150); /* wait for warmup */
 	}
 
-	intel_de_write(dev_priv, PIPECONF(pipe),
-		       PIPECONF_ENABLE | PIPECONF_PROGRESSIVE);
+	intel_de_write(dev_priv, PIPECONF(pipe), PIPECONF_ENABLE);
 	intel_de_posting_read(dev_priv, PIPECONF(pipe));
 
 	intel_wait_for_pipe_scanline_moving(crtc);

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

@@ -157,13 +157,13 @@ static void ilk_enable_pch_transcoder(const struct intel_crtc_state *crtc_state)
 		 */
 		val &= ~PIPECONF_BPC_MASK;
 		if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI))
-			val |= PIPECONF_8BPC;
+			val |= PIPECONF_BPC_8;
 		else
 			val |= pipeconf_val & PIPECONF_BPC_MASK;
 	}
 
 	val &= ~TRANS_INTERLACE_MASK;
-	if ((pipeconf_val & PIPECONF_INTERLACE_MASK) == PIPECONF_INTERLACED_ILK) {
+	if ((pipeconf_val & PIPECONF_INTERLACE_MASK_ILK) == PIPECONF_INTERLACE_IF_ID_ILK) {
 		if (HAS_PCH_IBX(dev_priv) &&
 		    intel_crtc_has_type(crtc_state, INTEL_OUTPUT_SDVO))
 			val |= TRANS_LEGACY_INTERLACED_ILK;
@@ -436,8 +436,7 @@ static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv,
 	val = TRANS_ENABLE;
 	pipeconf_val = intel_de_read(dev_priv, PIPECONF(cpu_transcoder));
 
-	if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) ==
-	    PIPECONF_INTERLACED_ILK)
+	if ((pipeconf_val & PIPECONF_INTERLACE_MASK_HSW) == PIPECONF_INTERLACE_IF_ID_ILK)
 		val |= TRANS_INTERLACED;
 	else
 		val |= TRANS_PROGRESSIVE;

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

@@ -184,7 +184,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
 
 		for_each_pipe(dev_priv, pipe) {
 			vgpu_vreg_t(vgpu, PIPECONF(pipe)) &=
-				~(PIPECONF_ENABLE | I965_PIPECONF_ACTIVE);
+				~(PIPECONF_ENABLE | PIPECONF_STATE_ENABLE);
 			vgpu_vreg_t(vgpu, DSPCNTR(pipe)) &= ~DISP_ENABLE;
 			vgpu_vreg_t(vgpu, SPRCTL(pipe)) &= ~SPRITE_ENABLE;
 			vgpu_vreg_t(vgpu, CURCNTR(pipe)) &= ~MCURSOR_MODE_MASK;
@@ -245,7 +245,7 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
 		 *   setup_virtual_dp_monitor.
 		 */
 		vgpu_vreg_t(vgpu, PIPECONF(PIPE_A)) |= PIPECONF_ENABLE;
-		vgpu_vreg_t(vgpu, PIPECONF(PIPE_A)) |= I965_PIPECONF_ACTIVE;
+		vgpu_vreg_t(vgpu, PIPECONF(PIPE_A)) |= PIPECONF_STATE_ENABLE;
 
 		/*
 		 * Golden M/N are calculated based on:

drivers/gpu/drm/i915/gvt/handlers.c

@@ -702,11 +702,11 @@ static int pipeconf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
 	data = vgpu_vreg(vgpu, offset);
 
 	if (data & PIPECONF_ENABLE) {
-		vgpu_vreg(vgpu, offset) |= I965_PIPECONF_ACTIVE;
+		vgpu_vreg(vgpu, offset) |= PIPECONF_STATE_ENABLE;
 		vgpu_update_refresh_rate(vgpu);
 		vgpu_update_vblank_emulation(vgpu, true);
 	} else {
-		vgpu_vreg(vgpu, offset) &= ~I965_PIPECONF_ACTIVE;
+		vgpu_vreg(vgpu, offset) &= ~PIPECONF_STATE_ENABLE;
 		vgpu_update_vblank_emulation(vgpu, false);
 	}
 	return 0;

drivers/gpu/drm/i915/i915_reg.h

@@ -5168,62 +5168,58 @@ enum {
 #define   PIPEDSL_CURR_FIELD	REG_BIT(31) /* ctg+ */
 #define   PIPEDSL_LINE_MASK	REG_GENMASK(19, 0)
 #define _PIPEACONF		0x70008
-#define   PIPECONF_ENABLE	(1 << 31)
-#define   PIPECONF_DISABLE	0
-#define   PIPECONF_DOUBLE_WIDE	(1 << 30)
-#define   I965_PIPECONF_ACTIVE	(1 << 30)
-#define   PIPECONF_DSI_PLL_LOCKED	(1 << 29) /* vlv & pipe A only */
-#define   PIPECONF_FRAME_START_DELAY_MASK	(3 << 27) /* pre-hsw */
-#define   PIPECONF_FRAME_START_DELAY(x)		((x) << 27) /* pre-hsw: 0-3 */
-#define   PIPECONF_SINGLE_WIDE	0
-#define   PIPECONF_PIPE_UNLOCKED 0
-#define   PIPECONF_PIPE_LOCKED	(1 << 25)
-#define   PIPECONF_FORCE_BORDER	(1 << 25)
-#define   PIPECONF_GAMMA_MODE_MASK_I9XX	(1 << 24) /* gmch */
-#define   PIPECONF_GAMMA_MODE_MASK_ILK	(3 << 24) /* ilk-ivb */
-#define   PIPECONF_GAMMA_MODE_8BIT	(0 << 24) /* gmch,ilk-ivb */
-#define   PIPECONF_GAMMA_MODE_10BIT	(1 << 24) /* gmch,ilk-ivb */
-#define   PIPECONF_GAMMA_MODE_12BIT	(2 << 24) /* ilk-ivb */
-#define   PIPECONF_GAMMA_MODE_SPLIT	(3 << 24) /* ivb */
-#define   PIPECONF_GAMMA_MODE(x)	((x) << 24) /* pass in GAMMA_MODE_MODE_* */
-#define   PIPECONF_GAMMA_MODE_SHIFT	24
-#define   PIPECONF_INTERLACE_MASK	(7 << 21)
-#define   PIPECONF_INTERLACE_MASK_HSW	(3 << 21)
-/* Note that pre-gen3 does not support interlaced display directly. Panel
- * fitting must be disabled on pre-ilk for interlaced. */
-#define   PIPECONF_PROGRESSIVE			(0 << 21)
-#define   PIPECONF_INTERLACE_W_SYNC_SHIFT_PANEL	(4 << 21) /* gen4 only */
-#define   PIPECONF_INTERLACE_W_SYNC_SHIFT	(5 << 21) /* gen4 only */
-#define   PIPECONF_INTERLACE_W_FIELD_INDICATION	(6 << 21)
-#define   PIPECONF_INTERLACE_FIELD_0_ONLY	(7 << 21) /* gen3 only */
-/* Ironlake and later have a complete new set of values for interlaced. PFIT
- * means panel fitter required, PF means progressive fetch, DBL means power
- * saving pixel doubling. */
-#define   PIPECONF_PFIT_PF_INTERLACED_ILK	(1 << 21)
-#define   PIPECONF_INTERLACED_ILK		(3 << 21)
-#define   PIPECONF_INTERLACED_DBL_ILK		(4 << 21) /* ilk/snb only */
-#define   PIPECONF_PFIT_PF_INTERLACED_DBL_ILK	(5 << 21) /* ilk/snb only */
-#define   PIPECONF_INTERLACE_MODE_MASK		(7 << 21)
-#define   PIPECONF_EDP_RR_MODE_SWITCH		(1 << 20)
-#define   PIPECONF_CXSR_DOWNCLOCK	(1 << 16)
-#define   PIPECONF_EDP_RR_MODE_SWITCH_VLV	(1 << 14)
-#define   PIPECONF_COLOR_RANGE_SELECT	(1 << 13)
-#define   PIPECONF_OUTPUT_COLORSPACE_MASK	(3 << 11) /* ilk-ivb */
-#define   PIPECONF_OUTPUT_COLORSPACE_RGB	(0 << 11) /* ilk-ivb */
-#define   PIPECONF_OUTPUT_COLORSPACE_YUV601	(1 << 11) /* ilk-ivb */
-#define   PIPECONF_OUTPUT_COLORSPACE_YUV709	(2 << 11) /* ilk-ivb */
-#define   PIPECONF_OUTPUT_COLORSPACE_YUV_HSW	(1 << 11) /* hsw only */
-#define   PIPECONF_BPC_MASK	(0x7 << 5)
-#define   PIPECONF_8BPC		(0 << 5)
-#define   PIPECONF_10BPC	(1 << 5)
-#define   PIPECONF_6BPC		(2 << 5)
-#define   PIPECONF_12BPC	(3 << 5)
-#define   PIPECONF_DITHER_EN	(1 << 4)
-#define   PIPECONF_DITHER_TYPE_MASK (0x0000000c)
-#define   PIPECONF_DITHER_TYPE_SP (0 << 2)
-#define   PIPECONF_DITHER_TYPE_ST1 (1 << 2)
-#define   PIPECONF_DITHER_TYPE_ST2 (2 << 2)
-#define   PIPECONF_DITHER_TYPE_TEMP (3 << 2)
+#define   PIPECONF_ENABLE			REG_BIT(31)
+#define   PIPECONF_DOUBLE_WIDE			REG_BIT(30) /* pre-i965 */
+#define   PIPECONF_STATE_ENABLE			REG_BIT(30) /* i965+ */
+#define   PIPECONF_DSI_PLL_LOCKED		REG_BIT(29) /* vlv & pipe A only */
+#define   PIPECONF_FRAME_START_DELAY_MASK	REG_GENMASK(28, 27) /* pre-hsw */
+#define   PIPECONF_FRAME_START_DELAY(x)		REG_FIELD_PREP(PIPECONF_FRAME_START_DELAY_MASK, (x)) /* pre-hsw: 0-3 */
+#define   PIPECONF_PIPE_LOCKED			REG_BIT(25)
+#define   PIPECONF_FORCE_BORDER			REG_BIT(25)
+#define   PIPECONF_GAMMA_MODE_MASK_I9XX		REG_BIT(24) /* gmch */
+#define   PIPECONF_GAMMA_MODE_MASK_ILK		REG_GENMASK(25, 24) /* ilk-ivb */
+#define   PIPECONF_GAMMA_MODE_8BIT		REG_FIELD_PREP(PIPECONF_GAMMA_MODE_MASK, 0)
+#define   PIPECONF_GAMMA_MODE_10BIT		REG_FIELD_PREP(PIPECONF_GAMMA_MODE_MASK, 1)
+#define   PIPECONF_GAMMA_MODE_12BIT		REG_FIELD_PREP(PIPECONF_GAMMA_MODE_MASK_ILK, 2) /* ilk-ivb */
+#define   PIPECONF_GAMMA_MODE_SPLIT		REG_FIELD_PREP(PIPECONF_GAMMA_MODE_MASK_ILK, 3) /* ivb */
+#define   PIPECONF_GAMMA_MODE(x)		REG_FIELD_PREP(PIPECONF_GAMMA_MODE_MASK_ILK, (x)) /* pass in GAMMA_MODE_MODE_* */
+#define   PIPECONF_INTERLACE_MASK		REG_GENMASK(23, 21) /* gen3+ */
+#define   PIPECONF_INTERLACE_PROGRESSIVE	REG_FIELD_PREP(PIPECONF_INTERLACE_MASK, 0)
+#define   PIPECONF_INTERLACE_W_SYNC_SHIFT_PANEL	REG_FIELD_PREP(PIPECONF_INTERLACE_MASK, 4) /* gen4 only */
+#define   PIPECONF_INTERLACE_W_SYNC_SHIFT	REG_FIELD_PREP(PIPECONF_INTERLACE_MASK, 5) /* gen4 only */
+#define   PIPECONF_INTERLACE_W_FIELD_INDICATION	REG_FIELD_PREP(PIPECONF_INTERLACE_MASK, 6)
+#define   PIPECONF_INTERLACE_FIELD_0_ONLY	REG_FIELD_PREP(PIPECONF_INTERLACE_MASK, 7) /* gen3 only */
+/*
+ * ilk+: PF/D=progressive fetch/display, IF/D=interlaced fetch/display,
+ * DBL=power saving pixel doubling, PF-ID* requires panel fitter
+ */
+#define   PIPECONF_INTERLACE_MASK_ILK		REG_GENMASK(23, 21) /* ilk+ */
+#define   PIPECONF_INTERLACE_MASK_HSW		REG_GENMASK(22, 21) /* hsw+ */
+#define   PIPECONF_INTERLACE_PF_PD_ILK		REG_FIELD_PREP(PIPECONF_INTERLACE_MASK_ILK, 0)
+#define   PIPECONF_INTERLACE_PF_ID_ILK		REG_FIELD_PREP(PIPECONF_INTERLACE_MASK_ILK, 1)
+#define   PIPECONF_INTERLACE_IF_ID_ILK		REG_FIELD_PREP(PIPECONF_INTERLACE_MASK_ILK, 3)
+#define   PIPECONF_INTERLACE_IF_ID_DBL_ILK	REG_FIELD_PREP(PIPECONF_INTERLACE_MASK_ILK, 4) /* ilk/snb only */
+#define   PIPECONF_INTERLACE_PF_ID_DBL_ILK	REG_FIELD_PREP(PIPECONF_INTERLACE_MASK_ILK, 5) /* ilk/snb only */
+#define   PIPECONF_EDP_RR_MODE_SWITCH		REG_BIT(20)
+#define   PIPECONF_CXSR_DOWNCLOCK		REG_BIT(16)
+#define   PIPECONF_EDP_RR_MODE_SWITCH_VLV	REG_BIT(14)
+#define   PIPECONF_COLOR_RANGE_SELECT		REG_BIT(13)
+#define   PIPECONF_OUTPUT_COLORSPACE_MASK	REG_GENMASK(12, 11) /* ilk-ivb */
+#define   PIPECONF_OUTPUT_COLORSPACE_RGB	REG_FIELD_PREP(PIPECONF_OUTPUT_COLORSPACE_MASK, 0) /* ilk-ivb */
+#define   PIPECONF_OUTPUT_COLORSPACE_YUV601	REG_FIELD_PREP(PIPECONF_OUTPUT_COLORSPACE_MASK, 1) /* ilk-ivb */
+#define   PIPECONF_OUTPUT_COLORSPACE_YUV709	REG_FIELD_PREP(PIPECONF_OUTPUT_COLORSPACE_MASK, 2) /* ilk-ivb */
+#define   PIPECONF_OUTPUT_COLORSPACE_YUV_HSW	REG_BIT(11) /* hsw only */
+#define   PIPECONF_BPC_MASK			REG_GENMASK(7, 5) /* ctg-ivb */
+#define   PIPECONF_BPC_8			REG_FIELD_PREP(PIPECONF_BPC_MASK, 0)
+#define   PIPECONF_BPC_10			REG_FIELD_PREP(PIPECONF_BPC_MASK, 1)
+#define   PIPECONF_BPC_6			REG_FIELD_PREP(PIPECONF_BPC_MASK, 2)
+#define   PIPECONF_BPC_12			REG_FIELD_PREP(PIPECONF_BPC_MASK, 3)
+#define   PIPECONF_DITHER_EN			REG_BIT(4)
+#define   PIPECONF_DITHER_TYPE_MASK		REG_GENMASK(3, 2)
+#define   PIPECONF_DITHER_TYPE_SP		REG_FIELD_PREP(PIPECONF_DITHER_TYPE_MASK, 0)
+#define   PIPECONF_DITHER_TYPE_ST1		REG_FIELD_PREP(PIPECONF_DITHER_TYPE_MASK, 1)
+#define   PIPECONF_DITHER_TYPE_ST2		REG_FIELD_PREP(PIPECONF_DITHER_TYPE_MASK, 2)
+#define   PIPECONF_DITHER_TYPE_TEMP		REG_FIELD_PREP(PIPECONF_DITHER_TYPE_MASK, 3)
 #define _PIPEASTAT		0x70024
 #define   PIPE_FIFO_UNDERRUN_STATUS		(1UL << 31)
 #define   SPRITE1_FLIP_DONE_INT_EN_VLV		(1UL << 30)