1 files changed, 158 insertions, 124 deletions

diff --git a/drivers/gpu/drm/i915/intel_dsi_pll.c b/drivers/gpu/drm/i915/intel_dsi_pll.c
index 70883c54cb0a..1765e6e18f2c 100644
--- a/drivers/gpu/drm/i915/intel_dsi_pll.c
+++ b/drivers/gpu/drm/i915/intel_dsi_pll.c
@@ -30,33 +30,7 @@
 #include "i915_drv.h"
 #include "intel_dsi.h"
 
-int dsi_pixel_format_bpp(int pixel_format)
-{
-	int bpp;
-
-	switch (pixel_format) {
-	default:
-	case VID_MODE_FORMAT_RGB888:
-	case VID_MODE_FORMAT_RGB666_LOOSE:
-		bpp = 24;
-		break;
-	case VID_MODE_FORMAT_RGB666:
-		bpp = 18;
-		break;
-	case VID_MODE_FORMAT_RGB565:
-		bpp = 16;
-		break;
-	}
-
-	return bpp;
-}
-
-struct dsi_mnp {
-	u32 dsi_pll_ctrl;
-	u32 dsi_pll_div;
-};
-
-static const u32 lfsr_converts[] = {
+static const u16 lfsr_converts[] = {
 	426, 469, 234, 373, 442, 221, 110, 311, 411,		/* 62 - 70 */
 	461, 486, 243, 377, 188, 350, 175, 343, 427, 213,	/* 71 - 80 */
 	106, 53, 282, 397, 454, 227, 113, 56, 284, 142,		/* 81 - 90 */
@@ -64,10 +38,11 @@ static const u32 lfsr_converts[] = {
 };
 
 /* Get DSI clock from pixel clock */
-static u32 dsi_clk_from_pclk(u32 pclk, int pixel_format, int lane_count)
+static u32 dsi_clk_from_pclk(u32 pclk, enum mipi_dsi_pixel_format fmt,
+			     int lane_count)
 {
 	u32 dsi_clk_khz;
-	u32 bpp = dsi_pixel_format_bpp(pixel_format);
+	u32 bpp = mipi_dsi_pixel_format_to_bpp(fmt);
 
 	/* DSI data rate = pixel clock * bits per pixel / lane count
 	   pixel clock is converted from KHz to Hz */
@@ -77,7 +52,8 @@ static u32 dsi_clk_from_pclk(u32 pclk, int pixel_format, int lane_count)
 }
 
 static int dsi_calc_mnp(struct drm_i915_private *dev_priv,
-			struct dsi_mnp *dsi_mnp, int target_dsi_clk)
+			struct intel_crtc_state *config,
+			int target_dsi_clk)
 {
 	unsigned int calc_m = 0, calc_p = 0;
 	unsigned int m_min, m_max, p_min = 2, p_max = 6;
@@ -123,8 +99,8 @@ static int dsi_calc_mnp(struct drm_i915_private *dev_priv,
 	/* register has log2(N1), this works fine for powers of two */
 	n = ffs(n) - 1;
 	m_seed = lfsr_converts[calc_m - 62];
-	dsi_mnp->dsi_pll_ctrl = 1 << (DSI_PLL_P1_POST_DIV_SHIFT + calc_p - 2);
-	dsi_mnp->dsi_pll_div = n << DSI_PLL_N1_DIV_SHIFT |
+	config->dsi_pll.ctrl = 1 << (DSI_PLL_P1_POST_DIV_SHIFT + calc_p - 2);
+	config->dsi_pll.div = n << DSI_PLL_N1_DIV_SHIFT |
 		m_seed << DSI_PLL_M1_DIV_SHIFT;
 
 	return 0;
@@ -134,54 +110,55 @@ static int dsi_calc_mnp(struct drm_i915_private *dev_priv,
  * XXX: The muxing and gating is hard coded for now. Need to add support for
  * sharing PLLs with two DSI outputs.
  */
-static void vlv_configure_dsi_pll(struct intel_encoder *encoder)
+static int vlv_compute_dsi_pll(struct intel_encoder *encoder,
+			       struct intel_crtc_state *config)
 {
 	struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
 	int ret;
-	struct dsi_mnp dsi_mnp;
 	u32 dsi_clk;
 
 	dsi_clk = dsi_clk_from_pclk(intel_dsi->pclk, intel_dsi->pixel_format,
 				    intel_dsi->lane_count);
 
-	ret = dsi_calc_mnp(dev_priv, &dsi_mnp, dsi_clk);
+	ret = dsi_calc_mnp(dev_priv, config, dsi_clk);
 	if (ret) {
 		DRM_DEBUG_KMS("dsi_calc_mnp failed\n");
-		return;
+		return ret;
 	}
 
 	if (intel_dsi->ports & (1 << PORT_A))
-		dsi_mnp.dsi_pll_ctrl |= DSI_PLL_CLK_GATE_DSI0_DSIPLL;
+		config->dsi_pll.ctrl |= DSI_PLL_CLK_GATE_DSI0_DSIPLL;
 
 	if (intel_dsi->ports & (1 << PORT_C))
-		dsi_mnp.dsi_pll_ctrl |= DSI_PLL_CLK_GATE_DSI1_DSIPLL;
+		config->dsi_pll.ctrl |= DSI_PLL_CLK_GATE_DSI1_DSIPLL;
+
+	config->dsi_pll.ctrl |= DSI_PLL_VCO_EN;
 
 	DRM_DEBUG_KMS("dsi pll div %08x, ctrl %08x\n",
-		      dsi_mnp.dsi_pll_div, dsi_mnp.dsi_pll_ctrl);
+		      config->dsi_pll.div, config->dsi_pll.ctrl);
 
-	vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_CONTROL, 0);
-	vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_DIVIDER, dsi_mnp.dsi_pll_div);
-	vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_CONTROL, dsi_mnp.dsi_pll_ctrl);
+	return 0;
 }
 
-static void vlv_enable_dsi_pll(struct intel_encoder *encoder)
+static void vlv_enable_dsi_pll(struct intel_encoder *encoder,
+			       const struct intel_crtc_state *config)
 {
-	struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
-	u32 tmp;
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 
 	DRM_DEBUG_KMS("\n");
 
 	mutex_lock(&dev_priv->sb_lock);
 
-	vlv_configure_dsi_pll(encoder);
+	vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_CONTROL, 0);
+	vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_DIVIDER, config->dsi_pll.div);
+	vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_CONTROL,
+		      config->dsi_pll.ctrl & ~DSI_PLL_VCO_EN);
 
 	/* wait at least 0.5 us after ungating before enabling VCO */
 	usleep_range(1, 10);
 
-	tmp = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL);
-	tmp |= DSI_PLL_VCO_EN;
-	vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_CONTROL, tmp);
+	vlv_cck_write(dev_priv, CCK_REG_DSI_PLL_CONTROL, config->dsi_pll.ctrl);
 
 	if (wait_for(vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_CONTROL) &
 						DSI_PLL_LOCK, 20)) {
@@ -197,7 +174,7 @@ static void vlv_enable_dsi_pll(struct intel_encoder *encoder)
 
 static void vlv_disable_dsi_pll(struct intel_encoder *encoder)
 {
-	struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	u32 tmp;
 
 	DRM_DEBUG_KMS("\n");
@@ -212,9 +189,39 @@ static void vlv_disable_dsi_pll(struct intel_encoder *encoder)
 	mutex_unlock(&dev_priv->sb_lock);
 }
 
+static bool bxt_dsi_pll_is_enabled(struct drm_i915_private *dev_priv)
+{
+	bool enabled;
+	u32 val;
+	u32 mask;
+
+	mask = BXT_DSI_PLL_DO_ENABLE | BXT_DSI_PLL_LOCKED;
+	val = I915_READ(BXT_DSI_PLL_ENABLE);
+	enabled = (val & mask) == mask;
+
+	if (!enabled)
+		return false;
+
+	/*
+	 * Both dividers must be programmed with valid values even if only one
+	 * of the PLL is used, see BSpec/Broxton Clocks. Check this here for
+	 * paranoia, since BIOS is known to misconfigure PLLs in this way at
+	 * times, and since accessing DSI registers with invalid dividers
+	 * causes a system hang.
+	 */
+	val = I915_READ(BXT_DSI_PLL_CTL);
+	if (!(val & BXT_DSIA_16X_MASK) || !(val & BXT_DSIC_16X_MASK)) {
+		DRM_DEBUG_DRIVER("PLL is enabled with invalid divider settings (%08x)\n",
+				 val);
+		enabled = false;
+	}
+
+	return enabled;
+}
+
 static void bxt_disable_dsi_pll(struct intel_encoder *encoder)
 {
-	struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	u32 val;
 
 	DRM_DEBUG_KMS("\n");
@@ -232,23 +239,24 @@ static void bxt_disable_dsi_pll(struct intel_encoder *encoder)
 		DRM_ERROR("Timeout waiting for PLL lock deassertion\n");
 }
 
-static void assert_bpp_mismatch(int pixel_format, int pipe_bpp)
+static void assert_bpp_mismatch(enum mipi_dsi_pixel_format fmt, int pipe_bpp)
 {
-	int bpp = dsi_pixel_format_bpp(pixel_format);
+	int bpp = mipi_dsi_pixel_format_to_bpp(fmt);
 
 	WARN(bpp != pipe_bpp,
 	     "bpp match assertion failure (expected %d, current %d)\n",
 	     bpp, pipe_bpp);
 }
 
-static u32 vlv_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp)
+static u32 vlv_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp,
+			    struct intel_crtc_state *config)
 {
-	struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
+	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
 	u32 dsi_clock, pclk;
 	u32 pll_ctl, pll_div;
 	u32 m = 0, p = 0, n;
-	int refclk = 25000;
+	int refclk = IS_CHERRYVIEW(dev_priv) ? 100000 : 25000;
 	int i;
 
 	DRM_DEBUG_KMS("\n");
@@ -258,6 +266,9 @@ static u32 vlv_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp)
 	pll_div = vlv_cck_read(dev_priv, CCK_REG_DSI_PLL_DIVIDER);
 	mutex_unlock(&dev_priv->sb_lock);
 
+	config->dsi_pll.ctrl = pll_ctl & ~DSI_PLL_LOCK;
+	config->dsi_pll.div = pll_div;
+
 	/* mask out other bits and extract the P1 divisor */
 	pll_ctl &= DSI_PLL_P1_POST_DIV_MASK;
 	pll_ctl = pll_ctl >> (DSI_PLL_P1_POST_DIV_SHIFT - 2);
@@ -303,7 +314,8 @@ static u32 vlv_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp)
 	return pclk;
 }
 
-static u32 bxt_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp)
+static u32 bxt_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp,
+			    struct intel_crtc_state *config)
 {
 	u32 pclk;
 	u32 dsi_clk;
@@ -317,15 +329,9 @@ static u32 bxt_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp)
 		return 0;
 	}
 
-	dsi_ratio = I915_READ(BXT_DSI_PLL_CTL) &
-				BXT_DSI_PLL_RATIO_MASK;
+	config->dsi_pll.ctrl = I915_READ(BXT_DSI_PLL_CTL);
 
-	/* Invalid DSI ratio ? */
-	if (dsi_ratio < BXT_DSI_PLL_RATIO_MIN ||
-			dsi_ratio > BXT_DSI_PLL_RATIO_MAX) {
-		DRM_ERROR("Invalid DSI pll ratio(%u) programmed\n", dsi_ratio);
-		return 0;
-	}
+	dsi_ratio = config->dsi_pll.ctrl & BXT_DSI_PLL_RATIO_MASK;
 
 	dsi_clk = (dsi_ratio * BXT_REF_CLOCK_KHZ) / 2;
 
@@ -338,12 +344,13 @@ static u32 bxt_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp)
 	return pclk;
 }
 
-u32 intel_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp)
+u32 intel_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp,
+		       struct intel_crtc_state *config)
 {
 	if (IS_BROXTON(encoder->base.dev))
-		return bxt_dsi_get_pclk(encoder, pipe_bpp);
+		return bxt_dsi_get_pclk(encoder, pipe_bpp, config);
 	else
-		return vlv_dsi_get_pclk(encoder, pipe_bpp);
+		return vlv_dsi_get_pclk(encoder, pipe_bpp, config);
 }
 
 static void vlv_dsi_reset_clocks(struct intel_encoder *encoder, enum port port)
@@ -360,51 +367,72 @@ static void vlv_dsi_reset_clocks(struct intel_encoder *encoder, enum port port)
 }
 
 /* Program BXT Mipi clocks and dividers */
-static void bxt_dsi_program_clocks(struct drm_device *dev, enum port port)
+static void bxt_dsi_program_clocks(struct drm_device *dev, enum port port,
+				   const struct intel_crtc_state *config)
 {
-	u32 tmp;
-	u32 divider;
-	u32 dsi_rate;
-	u32 pll_ratio;
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 tmp;
+	u32 dsi_rate = 0;
+	u32 pll_ratio = 0;
+	u32 rx_div;
+	u32 tx_div;
+	u32 rx_div_upper;
+	u32 rx_div_lower;
+	u32 mipi_8by3_divider;
 
 	/* Clear old configurations */
 	tmp = I915_READ(BXT_MIPI_CLOCK_CTL);
 	tmp &= ~(BXT_MIPI_TX_ESCLK_FIXDIV_MASK(port));
-	tmp &= ~(BXT_MIPI_RX_ESCLK_FIXDIV_MASK(port));
-	tmp &= ~(BXT_MIPI_ESCLK_VAR_DIV_MASK(port));
-	tmp &= ~(BXT_MIPI_DPHY_DIVIDER_MASK(port));
+	tmp &= ~(BXT_MIPI_RX_ESCLK_UPPER_FIXDIV_MASK(port));
+	tmp &= ~(BXT_MIPI_8X_BY3_DIVIDER_MASK(port));
+	tmp &= ~(BXT_MIPI_RX_ESCLK_LOWER_FIXDIV_MASK(port));
 
 	/* Get the current DSI rate(actual) */
-	pll_ratio = I915_READ(BXT_DSI_PLL_CTL) &
-				BXT_DSI_PLL_RATIO_MASK;
+	pll_ratio = config->dsi_pll.ctrl & BXT_DSI_PLL_RATIO_MASK;
 	dsi_rate = (BXT_REF_CLOCK_KHZ * pll_ratio) / 2;
 
-	/* Max possible output of clock is 39.5 MHz, program value -1 */
-	divider = (dsi_rate / BXT_MAX_VAR_OUTPUT_KHZ) - 1;
-	tmp |= BXT_MIPI_ESCLK_VAR_DIV(port, divider);
+	/*
+	 * tx clock should be <= 20MHz and the div value must be
+	 * subtracted by 1 as per bspec
+	 */
+	tx_div = DIV_ROUND_UP(dsi_rate, 20000) - 1;
+	/*
+	 * rx clock should be <= 150MHz and the div value must be
+	 * subtracted by 1 as per bspec
+	 */
+	rx_div = DIV_ROUND_UP(dsi_rate, 150000) - 1;
 
 	/*
-	 * Tx escape clock must be as close to 20MHz possible, but should
-	 * not exceed it. Hence select divide by 2
+	 * rx divider value needs to be updated in the
+	 * two differnt bit fields in the register hence splitting the
+	 * rx divider value accordingly
 	 */
-	tmp |= BXT_MIPI_TX_ESCLK_8XDIV_BY2(port);
+	rx_div_lower = rx_div & RX_DIVIDER_BIT_1_2;
+	rx_div_upper = (rx_div & RX_DIVIDER_BIT_3_4) >> 2;
 
-	tmp |= BXT_MIPI_RX_ESCLK_8X_BY3(port);
+	/* As per bpsec program the 8/3X clock divider to the below value */
+	if (dev_priv->vbt.dsi.config->is_cmd_mode)
+		mipi_8by3_divider = 0x2;
+	else
+		mipi_8by3_divider = 0x3;
+
+	tmp |= BXT_MIPI_8X_BY3_DIVIDER(port, mipi_8by3_divider);
+	tmp |= BXT_MIPI_TX_ESCLK_DIVIDER(port, tx_div);
+	tmp |= BXT_MIPI_RX_ESCLK_LOWER_DIVIDER(port, rx_div_lower);
+	tmp |= BXT_MIPI_RX_ESCLK_UPPER_DIVIDER(port, rx_div_upper);
 
 	I915_WRITE(BXT_MIPI_CLOCK_CTL, tmp);
 }
 
-static bool bxt_configure_dsi_pll(struct intel_encoder *encoder)
+static int bxt_compute_dsi_pll(struct intel_encoder *encoder,
+			       struct intel_crtc_state *config)
 {
-	struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
 	u8 dsi_ratio;
 	u32 dsi_clk;
-	u32 val;
 
 	dsi_clk = dsi_clk_from_pclk(intel_dsi->pclk, intel_dsi->pixel_format,
-			intel_dsi->lane_count);
+				    intel_dsi->lane_count);
 
 	/*
 	 * From clock diagram, to get PLL ratio divider, divide double of DSI
@@ -413,9 +441,9 @@ static bool bxt_configure_dsi_pll(struct intel_encoder *encoder)
 	 */
 	dsi_ratio = DIV_ROUND_UP(dsi_clk * 2, BXT_REF_CLOCK_KHZ);
 	if (dsi_ratio < BXT_DSI_PLL_RATIO_MIN ||
-			dsi_ratio > BXT_DSI_PLL_RATIO_MAX) {
+	    dsi_ratio > BXT_DSI_PLL_RATIO_MAX) {
 		DRM_ERROR("Cant get a suitable ratio from DSI PLL ratios\n");
-		return false;
+		return -ECHRNG;
 	}
 
 	/*
@@ -423,27 +451,19 @@ static bool bxt_configure_dsi_pll(struct intel_encoder *encoder)
 	 * Spec says both have to be programmed, even if one is not getting
 	 * used. Configure MIPI_CLOCK_CTL dividers in modeset
 	 */
-	val = I915_READ(BXT_DSI_PLL_CTL);
-	val &= ~BXT_DSI_PLL_PVD_RATIO_MASK;
-	val &= ~BXT_DSI_FREQ_SEL_MASK;
-	val &= ~BXT_DSI_PLL_RATIO_MASK;
-	val |= (dsi_ratio | BXT_DSIA_16X_BY2 | BXT_DSIC_16X_BY2);
+	config->dsi_pll.ctrl = dsi_ratio | BXT_DSIA_16X_BY2 | BXT_DSIC_16X_BY2;
 
 	/* As per recommendation from hardware team,
 	 * Prog PVD ratio =1 if dsi ratio <= 50
 	 */
-	if (dsi_ratio <= 50) {
-		val &= ~BXT_DSI_PLL_PVD_RATIO_MASK;
-		val |= BXT_DSI_PLL_PVD_RATIO_1;
-	}
+	if (dsi_ratio <= 50)
+		config->dsi_pll.ctrl |= BXT_DSI_PLL_PVD_RATIO_1;
 
-	I915_WRITE(BXT_DSI_PLL_CTL, val);
-	POSTING_READ(BXT_DSI_PLL_CTL);
-
-	return true;
+	return 0;
 }
 
-static void bxt_enable_dsi_pll(struct intel_encoder *encoder)
+static void bxt_enable_dsi_pll(struct intel_encoder *encoder,
+			       const struct intel_crtc_state *config)
 {
 	struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
 	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
@@ -452,23 +472,13 @@ static void bxt_enable_dsi_pll(struct intel_encoder *encoder)
 
 	DRM_DEBUG_KMS("\n");
 
-	val = I915_READ(BXT_DSI_PLL_ENABLE);
-
-	if (val & BXT_DSI_PLL_DO_ENABLE) {
-		WARN(1, "DSI PLL already enabled. Disabling it.\n");
-		val &= ~BXT_DSI_PLL_DO_ENABLE;
-		I915_WRITE(BXT_DSI_PLL_ENABLE, val);
-	}
-
 	/* Configure PLL vales */
-	if (!bxt_configure_dsi_pll(encoder)) {
-		DRM_ERROR("Configure DSI PLL failed, abort PLL enable\n");
-		return;
-	}
+	I915_WRITE(BXT_DSI_PLL_CTL, config->dsi_pll.ctrl);
+	POSTING_READ(BXT_DSI_PLL_CTL);
 
 	/* Program TX, RX, Dphy clocks */
 	for_each_dsi_port(port, intel_dsi->ports)
-		bxt_dsi_program_clocks(encoder->base.dev, port);
+		bxt_dsi_program_clocks(encoder->base.dev, port, config);
 
 	/* Enable DSI PLL */
 	val = I915_READ(BXT_DSI_PLL_ENABLE);
@@ -484,14 +494,38 @@ static void bxt_enable_dsi_pll(struct intel_encoder *encoder)
 	DRM_DEBUG_KMS("DSI PLL locked\n");
 }
 
-void intel_enable_dsi_pll(struct intel_encoder *encoder)
+bool intel_dsi_pll_is_enabled(struct drm_i915_private *dev_priv)
+{
+	if (IS_BROXTON(dev_priv))
+		return bxt_dsi_pll_is_enabled(dev_priv);
+
+	MISSING_CASE(INTEL_DEVID(dev_priv));
+
+	return false;
+}
+
+int intel_compute_dsi_pll(struct intel_encoder *encoder,
+			  struct intel_crtc_state *config)
+{
+	struct drm_device *dev = encoder->base.dev;
+
+	if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))
+		return vlv_compute_dsi_pll(encoder, config);
+	else if (IS_BROXTON(dev))
+		return bxt_compute_dsi_pll(encoder, config);
+
+	return -ENODEV;
+}
+
+void intel_enable_dsi_pll(struct intel_encoder *encoder,
+			  const struct intel_crtc_state *config)
 {
 	struct drm_device *dev = encoder->base.dev;
 
 	if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))
-		vlv_enable_dsi_pll(encoder);
+		vlv_enable_dsi_pll(encoder, config);
 	else if (IS_BROXTON(dev))
-		bxt_enable_dsi_pll(encoder);
+		bxt_enable_dsi_pll(encoder, config);
 }
 
 void intel_disable_dsi_pll(struct intel_encoder *encoder)
@@ -513,9 +547,9 @@ static void bxt_dsi_reset_clocks(struct intel_encoder *encoder, enum port port)
 	/* Clear old configurations */
 	tmp = I915_READ(BXT_MIPI_CLOCK_CTL);
 	tmp &= ~(BXT_MIPI_TX_ESCLK_FIXDIV_MASK(port));
-	tmp &= ~(BXT_MIPI_RX_ESCLK_FIXDIV_MASK(port));
-	tmp &= ~(BXT_MIPI_ESCLK_VAR_DIV_MASK(port));
-	tmp &= ~(BXT_MIPI_DPHY_DIVIDER_MASK(port));
+	tmp &= ~(BXT_MIPI_RX_ESCLK_UPPER_FIXDIV_MASK(port));
+	tmp &= ~(BXT_MIPI_8X_BY3_DIVIDER_MASK(port));
+	tmp &= ~(BXT_MIPI_RX_ESCLK_LOWER_FIXDIV_MASK(port));
 	I915_WRITE(BXT_MIPI_CLOCK_CTL, tmp);
 	I915_WRITE(MIPI_EOT_DISABLE(port), CLOCKSTOP);
 }