[Intel-gfx] [PATCH v2 07/17] drm/i915; Return the whole buf_trans struct from get_buf_trans()

Ville Syrjala ville.syrjala at linux.intel.com
Tue Jun 8 07:35:53 UTC 2021


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

Raise the abstraction level of the get_buf_trans() functions
a bit more by returning the whole wrapper intel_ddi_buf_trans
struct.

v2: Handle adl-p

Reviewed-by: Jani Nikula <jani.nikula at intel.com> #v1
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_ddi.c      | 76 +++++++-------
 .../drm/i915/display/intel_ddi_buf_trans.c    | 98 +++++++++----------
 .../drm/i915/display/intel_ddi_buf_trans.h    | 22 ++---
 3 files changed, 98 insertions(+), 98 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index f3fba535812c..37445cec0c23 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -102,7 +102,7 @@ void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder,
 	u32 iboost_bit = 0;
 	int i, n_entries;
 	enum port port = encoder->port;
-	const union intel_ddi_buf_trans_entry *ddi_translations;
+	const struct intel_ddi_buf_trans *ddi_translations;
 
 	ddi_translations = hsw_get_buf_trans(encoder, crtc_state, &n_entries);
 
@@ -116,9 +116,9 @@ void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder,
 
 	for (i = 0; i < n_entries; i++) {
 		intel_de_write(dev_priv, DDI_BUF_TRANS_LO(port, i),
-			       ddi_translations[i].hsw.trans1 | iboost_bit);
+			       ddi_translations->entries[i].hsw.trans1 | iboost_bit);
 		intel_de_write(dev_priv, DDI_BUF_TRANS_HI(port, i),
-			       ddi_translations[i].hsw.trans2);
+			       ddi_translations->entries[i].hsw.trans2);
 	}
 }
 
@@ -135,7 +135,7 @@ static void hsw_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder,
 	u32 iboost_bit = 0;
 	int n_entries;
 	enum port port = encoder->port;
-	const union intel_ddi_buf_trans_entry *ddi_translations;
+	const struct intel_ddi_buf_trans *ddi_translations;
 
 	ddi_translations = hsw_get_buf_trans(encoder, crtc_state,  &n_entries);
 
@@ -151,9 +151,9 @@ static void hsw_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder,
 
 	/* Entry 9 is for HDMI: */
 	intel_de_write(dev_priv, DDI_BUF_TRANS_LO(port, 9),
-		       ddi_translations[level].hsw.trans1 | iboost_bit);
+		       ddi_translations->entries[level].hsw.trans1 | iboost_bit);
 	intel_de_write(dev_priv, DDI_BUF_TRANS_HI(port, 9),
-		       ddi_translations[level].hsw.trans2);
+		       ddi_translations->entries[level].hsw.trans2);
 }
 
 void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv,
@@ -944,7 +944,7 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder,
 		iboost = intel_bios_encoder_dp_boost_level(encoder->devdata);
 
 	if (iboost == 0) {
-		const union intel_ddi_buf_trans_entry *ddi_translations;
+		const struct intel_ddi_buf_trans *ddi_translations;
 		int n_entries;
 
 		ddi_translations = hsw_get_buf_trans(encoder, crtc_state, &n_entries);
@@ -954,7 +954,7 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder,
 		if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries))
 			level = n_entries - 1;
 
-		iboost = ddi_translations[level].hsw.i_boost;
+		iboost = ddi_translations->entries[level].hsw.i_boost;
 	}
 
 	/* Make sure that the requested I_boost is valid */
@@ -974,7 +974,7 @@ static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder,
 				    int level)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	const union intel_ddi_buf_trans_entry *ddi_translations;
+	const struct intel_ddi_buf_trans *ddi_translations;
 	enum port port = encoder->port;
 	int n_entries;
 
@@ -985,10 +985,10 @@ static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder,
 		level = n_entries - 1;
 
 	bxt_ddi_phy_set_signal_level(dev_priv, port,
-				     ddi_translations[level].bxt.margin,
-				     ddi_translations[level].bxt.scale,
-				     ddi_translations[level].bxt.enable,
-				     ddi_translations[level].bxt.deemphasis);
+				     ddi_translations->entries[level].bxt.margin,
+				     ddi_translations->entries[level].bxt.scale,
+				     ddi_translations->entries[level].bxt.enable,
+				     ddi_translations->entries[level].bxt.deemphasis);
 }
 
 static u8 intel_ddi_dp_voltage_max(struct intel_dp *intel_dp,
@@ -1049,7 +1049,7 @@ static void cnl_ddi_vswing_program(struct intel_encoder *encoder,
 				   int level)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	const union intel_ddi_buf_trans_entry *ddi_translations;
+	const struct intel_ddi_buf_trans *ddi_translations;
 	enum port port = encoder->port;
 	int n_entries, ln;
 	u32 val;
@@ -1071,8 +1071,8 @@ static void cnl_ddi_vswing_program(struct intel_encoder *encoder,
 	val = intel_de_read(dev_priv, CNL_PORT_TX_DW2_LN0(port));
 	val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK |
 		 RCOMP_SCALAR_MASK);
-	val |= SWING_SEL_UPPER(ddi_translations[level].cnl.dw2_swing_sel);
-	val |= SWING_SEL_LOWER(ddi_translations[level].cnl.dw2_swing_sel);
+	val |= SWING_SEL_UPPER(ddi_translations->entries[level].cnl.dw2_swing_sel);
+	val |= SWING_SEL_LOWER(ddi_translations->entries[level].cnl.dw2_swing_sel);
 	/* Rcomp scalar is fixed as 0x98 for every table entry */
 	val |= RCOMP_SCALAR(0x98);
 	intel_de_write(dev_priv, CNL_PORT_TX_DW2_GRP(port), val);
@@ -1083,9 +1083,9 @@ static void cnl_ddi_vswing_program(struct intel_encoder *encoder,
 		val = intel_de_read(dev_priv, CNL_PORT_TX_DW4_LN(ln, port));
 		val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
 			 CURSOR_COEFF_MASK);
-		val |= POST_CURSOR_1(ddi_translations[level].cnl.dw4_post_cursor_1);
-		val |= POST_CURSOR_2(ddi_translations[level].cnl.dw4_post_cursor_2);
-		val |= CURSOR_COEFF(ddi_translations[level].cnl.dw4_cursor_coeff);
+		val |= POST_CURSOR_1(ddi_translations->entries[level].cnl.dw4_post_cursor_1);
+		val |= POST_CURSOR_2(ddi_translations->entries[level].cnl.dw4_post_cursor_2);
+		val |= CURSOR_COEFF(ddi_translations->entries[level].cnl.dw4_cursor_coeff);
 		intel_de_write(dev_priv, CNL_PORT_TX_DW4_LN(ln, port), val);
 	}
 
@@ -1100,7 +1100,7 @@ static void cnl_ddi_vswing_program(struct intel_encoder *encoder,
 	/* Program PORT_TX_DW7 */
 	val = intel_de_read(dev_priv, CNL_PORT_TX_DW7_LN0(port));
 	val &= ~N_SCALAR_MASK;
-	val |= N_SCALAR(ddi_translations[level].cnl.dw7_n_scalar);
+	val |= N_SCALAR(ddi_translations->entries[level].cnl.dw7_n_scalar);
 	intel_de_write(dev_priv, CNL_PORT_TX_DW7_GRP(port), val);
 }
 
@@ -1170,7 +1170,7 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder,
 					 int level)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	const union intel_ddi_buf_trans_entry *ddi_translations;
+	const struct intel_ddi_buf_trans *ddi_translations;
 	enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
 	int n_entries, ln;
 	u32 val;
@@ -1211,8 +1211,8 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder,
 	val = intel_de_read(dev_priv, ICL_PORT_TX_DW2_LN0(phy));
 	val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK |
 		 RCOMP_SCALAR_MASK);
-	val |= SWING_SEL_UPPER(ddi_translations[level].cnl.dw2_swing_sel);
-	val |= SWING_SEL_LOWER(ddi_translations[level].cnl.dw2_swing_sel);
+	val |= SWING_SEL_UPPER(ddi_translations->entries[level].cnl.dw2_swing_sel);
+	val |= SWING_SEL_LOWER(ddi_translations->entries[level].cnl.dw2_swing_sel);
 	/* Program Rcomp scalar for every table entry */
 	val |= RCOMP_SCALAR(0x98);
 	intel_de_write(dev_priv, ICL_PORT_TX_DW2_GRP(phy), val);
@@ -1223,16 +1223,16 @@ static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder,
 		val = intel_de_read(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy));
 		val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK |
 			 CURSOR_COEFF_MASK);
-		val |= POST_CURSOR_1(ddi_translations[level].cnl.dw4_post_cursor_1);
-		val |= POST_CURSOR_2(ddi_translations[level].cnl.dw4_post_cursor_2);
-		val |= CURSOR_COEFF(ddi_translations[level].cnl.dw4_cursor_coeff);
+		val |= POST_CURSOR_1(ddi_translations->entries[level].cnl.dw4_post_cursor_1);
+		val |= POST_CURSOR_2(ddi_translations->entries[level].cnl.dw4_post_cursor_2);
+		val |= CURSOR_COEFF(ddi_translations->entries[level].cnl.dw4_cursor_coeff);
 		intel_de_write(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy), val);
 	}
 
 	/* Program PORT_TX_DW7 */
 	val = intel_de_read(dev_priv, ICL_PORT_TX_DW7_LN0(phy));
 	val &= ~N_SCALAR_MASK;
-	val |= N_SCALAR(ddi_translations[level].cnl.dw7_n_scalar);
+	val |= N_SCALAR(ddi_translations->entries[level].cnl.dw7_n_scalar);
 	intel_de_write(dev_priv, ICL_PORT_TX_DW7_GRP(phy), val);
 }
 
@@ -1303,7 +1303,7 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port);
-	const union intel_ddi_buf_trans_entry *ddi_translations;
+	const struct intel_ddi_buf_trans *ddi_translations;
 	int n_entries, ln;
 	u32 val;
 
@@ -1333,13 +1333,13 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
 		val = intel_de_read(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port));
 		val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK;
 		val |= CRI_TXDEEMPH_OVERRIDE_17_12(
-			ddi_translations[level].mg.cri_txdeemph_override_17_12);
+			ddi_translations->entries[level].mg.cri_txdeemph_override_17_12);
 		intel_de_write(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port), val);
 
 		val = intel_de_read(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port));
 		val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK;
 		val |= CRI_TXDEEMPH_OVERRIDE_17_12(
-			ddi_translations[level].mg.cri_txdeemph_override_17_12);
+			ddi_translations->entries[level].mg.cri_txdeemph_override_17_12);
 		intel_de_write(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port), val);
 	}
 
@@ -1349,9 +1349,9 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
 		val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK |
 			 CRI_TXDEEMPH_OVERRIDE_5_0_MASK);
 		val |= CRI_TXDEEMPH_OVERRIDE_5_0(
-			ddi_translations[level].mg.cri_txdeemph_override_5_0) |
+			ddi_translations->entries[level].mg.cri_txdeemph_override_5_0) |
 			CRI_TXDEEMPH_OVERRIDE_11_6(
-				ddi_translations[level].mg.cri_txdeemph_override_11_6) |
+				ddi_translations->entries[level].mg.cri_txdeemph_override_11_6) |
 			CRI_TXDEEMPH_OVERRIDE_EN;
 		intel_de_write(dev_priv, MG_TX1_DRVCTRL(ln, tc_port), val);
 
@@ -1359,9 +1359,9 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
 		val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK |
 			 CRI_TXDEEMPH_OVERRIDE_5_0_MASK);
 		val |= CRI_TXDEEMPH_OVERRIDE_5_0(
-			ddi_translations[level].mg.cri_txdeemph_override_5_0) |
+			ddi_translations->entries[level].mg.cri_txdeemph_override_5_0) |
 			CRI_TXDEEMPH_OVERRIDE_11_6(
-				ddi_translations[level].mg.cri_txdeemph_override_11_6) |
+				ddi_translations->entries[level].mg.cri_txdeemph_override_11_6) |
 			CRI_TXDEEMPH_OVERRIDE_EN;
 		intel_de_write(dev_priv, MG_TX2_DRVCTRL(ln, tc_port), val);
 
@@ -1441,7 +1441,7 @@ tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port);
-	const union intel_ddi_buf_trans_entry *ddi_translations;
+	const struct intel_ddi_buf_trans *ddi_translations;
 	u32 val, dpcnt_mask, dpcnt_val;
 	int n_entries, ln;
 
@@ -1461,9 +1461,9 @@ tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder,
 	dpcnt_mask = (DKL_TX_PRESHOOT_COEFF_MASK |
 		      DKL_TX_DE_EMPAHSIS_COEFF_MASK |
 		      DKL_TX_VSWING_CONTROL_MASK);
-	dpcnt_val = DKL_TX_VSWING_CONTROL(ddi_translations[level].dkl.dkl_vswing_control);
-	dpcnt_val |= DKL_TX_DE_EMPHASIS_COEFF(ddi_translations[level].dkl.dkl_de_emphasis_control);
-	dpcnt_val |= DKL_TX_PRESHOOT_COEFF(ddi_translations[level].dkl.dkl_preshoot_control);
+	dpcnt_val = DKL_TX_VSWING_CONTROL(ddi_translations->entries[level].dkl.dkl_vswing_control);
+	dpcnt_val |= DKL_TX_DE_EMPHASIS_COEFF(ddi_translations->entries[level].dkl.dkl_de_emphasis_control);
+	dpcnt_val |= DKL_TX_PRESHOOT_COEFF(ddi_translations->entries[level].dkl.dkl_preshoot_control);
 
 	for (ln = 0; ln < 2; ln++) {
 		intel_de_write(dev_priv, HIP_INDEX_REG(tc_port),
diff --git a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
index 3149b01aaca7..95b8f9b43ea2 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
@@ -1027,19 +1027,19 @@ static const struct intel_ddi_buf_trans adlp_dkl_phy_ddi_translations_dp_hbr2_hb
 	.num_entries = ARRAY_SIZE(_adlp_dkl_phy_ddi_translations_dp_hbr2_hbr3),
 };
 
-bool is_hobl_buf_trans(const union intel_ddi_buf_trans_entry *table)
+bool is_hobl_buf_trans(const struct intel_ddi_buf_trans *table)
 {
-	return table == tgl_combo_phy_ddi_translations_edp_hbr2_hobl.entries;
+	return table == &tgl_combo_phy_ddi_translations_edp_hbr2_hobl;
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 intel_get_buf_trans(const struct intel_ddi_buf_trans *ddi_translations, int *num_entries)
 {
 	*num_entries = ddi_translations->num_entries;
-	return ddi_translations->entries;
+	return ddi_translations;
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 bdw_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -1053,7 +1053,7 @@ bdw_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries)
 	}
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 skl_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -1070,7 +1070,7 @@ skl_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries)
 	}
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 kbl_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -1091,7 +1091,7 @@ kbl_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries)
 	}
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 skl_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -1123,7 +1123,7 @@ skl_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries)
 		return skl_get_buf_trans_dp(encoder, n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 skl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries)
 {
 	if (IS_SKL_ULX(dev_priv) ||
@@ -1147,7 +1147,7 @@ static int skl_buf_trans_num_entries(enum port port, int n_entries)
 		return min(n_entries, 9);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 hsw_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -1155,12 +1155,12 @@ hsw_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries)
 	if (IS_KABYLAKE(dev_priv) ||
 	    IS_COFFEELAKE(dev_priv) ||
 	    IS_COMETLAKE(dev_priv)) {
-		const union intel_ddi_buf_trans_entry *ddi_translations =
+		const struct intel_ddi_buf_trans *ddi_translations =
 			kbl_get_buf_trans_dp(encoder, n_entries);
 		*n_entries = skl_buf_trans_num_entries(encoder->port, *n_entries);
 		return ddi_translations;
 	} else if (IS_SKYLAKE(dev_priv)) {
-		const union intel_ddi_buf_trans_entry *ddi_translations =
+		const struct intel_ddi_buf_trans *ddi_translations =
 			skl_get_buf_trans_dp(encoder, n_entries);
 		*n_entries = skl_buf_trans_num_entries(encoder->port, *n_entries);
 		return ddi_translations;
@@ -1176,13 +1176,13 @@ hsw_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries)
 	return NULL;
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 hsw_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 
 	if (DISPLAY_VER(dev_priv) == 9 && !IS_BROXTON(dev_priv)) {
-		const union intel_ddi_buf_trans_entry *ddi_translations =
+		const struct intel_ddi_buf_trans *ddi_translations =
 			skl_get_buf_trans_edp(encoder, n_entries);
 		*n_entries = skl_buf_trans_num_entries(encoder->port, *n_entries);
 		return ddi_translations;
@@ -1197,7 +1197,7 @@ hsw_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries)
 	return NULL;
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 hsw_get_buf_trans_fdi(struct intel_encoder *encoder,
 		      int *n_entries)
 {
@@ -1215,7 +1215,7 @@ hsw_get_buf_trans_fdi(struct intel_encoder *encoder,
 	return NULL;
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 hsw_get_buf_trans_hdmi(struct intel_encoder *encoder,
 		       int *n_entries)
 {
@@ -1235,7 +1235,7 @@ hsw_get_buf_trans_hdmi(struct intel_encoder *encoder,
 	return NULL;
 }
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 hsw_get_buf_trans(struct intel_encoder *encoder,
 		  const struct intel_crtc_state *crtc_state,
 		  int *n_entries)
@@ -1250,13 +1250,13 @@ hsw_get_buf_trans(struct intel_encoder *encoder,
 		return hsw_get_buf_trans_dp(encoder, n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 bxt_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries)
 {
 	return intel_get_buf_trans(&bxt_ddi_translations_dp, n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 bxt_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -1269,13 +1269,13 @@ bxt_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries)
 	return bxt_get_buf_trans_dp(encoder, n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 bxt_get_buf_trans_hdmi(struct intel_encoder *encoder, int *n_entries)
 {
 	return intel_get_buf_trans(&bxt_ddi_translations_hdmi, n_entries);
 }
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 bxt_get_buf_trans(struct intel_encoder *encoder,
 		  const struct intel_crtc_state *crtc_state,
 		  int *n_entries)
@@ -1287,7 +1287,7 @@ bxt_get_buf_trans(struct intel_encoder *encoder,
 	return bxt_get_buf_trans_dp(encoder, n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 cnl_get_buf_trans_hdmi(struct intel_encoder *encoder, int *n_entries)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -1309,7 +1309,7 @@ cnl_get_buf_trans_hdmi(struct intel_encoder *encoder, int *n_entries)
 	return NULL;
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 cnl_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -1331,7 +1331,7 @@ cnl_get_buf_trans_dp(struct intel_encoder *encoder, int *n_entries)
 	return NULL;
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 cnl_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries)
 {
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
@@ -1357,7 +1357,7 @@ cnl_get_buf_trans_edp(struct intel_encoder *encoder, int *n_entries)
 	}
 }
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 cnl_get_buf_trans(struct intel_encoder *encoder,
 		  const struct intel_crtc_state *crtc_state,
 		  int *n_entries)
@@ -1369,7 +1369,7 @@ cnl_get_buf_trans(struct intel_encoder *encoder,
 	return cnl_get_buf_trans_dp(encoder, n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 icl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder,
 			     const struct intel_crtc_state *crtc_state,
 			     int *n_entries)
@@ -1378,7 +1378,7 @@ icl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder,
 				   n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 icl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
 			   const struct intel_crtc_state *crtc_state,
 			   int *n_entries)
@@ -1387,7 +1387,7 @@ icl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
 				   n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 icl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
 			    const struct intel_crtc_state *crtc_state,
 			    int *n_entries)
@@ -1411,7 +1411,7 @@ icl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
 	return icl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
 }
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 icl_get_combo_buf_trans(struct intel_encoder *encoder,
 			const struct intel_crtc_state *crtc_state,
 			int *n_entries)
@@ -1424,7 +1424,7 @@ icl_get_combo_buf_trans(struct intel_encoder *encoder,
 		return icl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 icl_get_mg_buf_trans_hdmi(struct intel_encoder *encoder,
 			  const struct intel_crtc_state *crtc_state,
 			  int *n_entries)
@@ -1433,7 +1433,7 @@ icl_get_mg_buf_trans_hdmi(struct intel_encoder *encoder,
 				   n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 icl_get_mg_buf_trans_dp(struct intel_encoder *encoder,
 			const struct intel_crtc_state *crtc_state,
 			int *n_entries)
@@ -1447,7 +1447,7 @@ icl_get_mg_buf_trans_dp(struct intel_encoder *encoder,
 	}
 }
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 icl_get_mg_buf_trans(struct intel_encoder *encoder,
 		     const struct intel_crtc_state *crtc_state,
 		     int *n_entries)
@@ -1458,7 +1458,7 @@ icl_get_mg_buf_trans(struct intel_encoder *encoder,
 		return icl_get_mg_buf_trans_dp(encoder, crtc_state, n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 ehl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder,
 			     const struct intel_crtc_state *crtc_state,
 			     int *n_entries)
@@ -1467,7 +1467,7 @@ ehl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder,
 				   n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 ehl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
 			   const struct intel_crtc_state *crtc_state,
 			   int *n_entries)
@@ -1476,7 +1476,7 @@ ehl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
 				   n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 ehl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
 			    const struct intel_crtc_state *crtc_state,
 			    int *n_entries)
@@ -1491,7 +1491,7 @@ ehl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
 	return ehl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
 }
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 ehl_get_combo_buf_trans(struct intel_encoder *encoder,
 			const struct intel_crtc_state *crtc_state,
 			int *n_entries)
@@ -1504,7 +1504,7 @@ ehl_get_combo_buf_trans(struct intel_encoder *encoder,
 		return ehl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 jsl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder,
 			     const struct intel_crtc_state *crtc_state,
 			     int *n_entries)
@@ -1513,7 +1513,7 @@ jsl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder,
 				   n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 jsl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
 			   const struct intel_crtc_state *crtc_state,
 			   int *n_entries)
@@ -1522,7 +1522,7 @@ jsl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
 				   n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 jsl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
 			    const struct intel_crtc_state *crtc_state,
 			    int *n_entries)
@@ -1542,7 +1542,7 @@ jsl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
 	return jsl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
 }
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 jsl_get_combo_buf_trans(struct intel_encoder *encoder,
 			const struct intel_crtc_state *crtc_state,
 			int *n_entries)
@@ -1555,7 +1555,7 @@ jsl_get_combo_buf_trans(struct intel_encoder *encoder,
 		return jsl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 tgl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder,
 			     const struct intel_crtc_state *crtc_state,
 			     int *n_entries)
@@ -1564,7 +1564,7 @@ tgl_get_combo_buf_trans_hdmi(struct intel_encoder *encoder,
 				   n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
 			   const struct intel_crtc_state *crtc_state,
 			   int *n_entries)
@@ -1593,7 +1593,7 @@ tgl_get_combo_buf_trans_dp(struct intel_encoder *encoder,
 	}
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 tgl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
 			    const struct intel_crtc_state *crtc_state,
 			    int *n_entries)
@@ -1615,7 +1615,7 @@ tgl_get_combo_buf_trans_edp(struct intel_encoder *encoder,
 	return tgl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
 }
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 tgl_get_combo_buf_trans(struct intel_encoder *encoder,
 			const struct intel_crtc_state *crtc_state,
 			int *n_entries)
@@ -1628,7 +1628,7 @@ tgl_get_combo_buf_trans(struct intel_encoder *encoder,
 		return tgl_get_combo_buf_trans_dp(encoder, crtc_state, n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 tgl_get_dkl_buf_trans_hdmi(struct intel_encoder *encoder,
 			   const struct intel_crtc_state *crtc_state,
 			   int *n_entries)
@@ -1637,7 +1637,7 @@ tgl_get_dkl_buf_trans_hdmi(struct intel_encoder *encoder,
 				   n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 tgl_get_dkl_buf_trans_dp(struct intel_encoder *encoder,
 			 const struct intel_crtc_state *crtc_state,
 			 int *n_entries)
@@ -1651,7 +1651,7 @@ tgl_get_dkl_buf_trans_dp(struct intel_encoder *encoder,
 	}
 }
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 tgl_get_dkl_buf_trans(struct intel_encoder *encoder,
 		      const struct intel_crtc_state *crtc_state,
 		      int *n_entries)
@@ -1662,7 +1662,7 @@ tgl_get_dkl_buf_trans(struct intel_encoder *encoder,
 		return tgl_get_dkl_buf_trans_dp(encoder, crtc_state, n_entries);
 }
 
-static const union intel_ddi_buf_trans_entry *
+static const struct intel_ddi_buf_trans *
 adlp_get_dkl_buf_trans_dp(struct intel_encoder *encoder,
 			  const struct intel_crtc_state *crtc_state,
 			  int *n_entries)
@@ -1676,7 +1676,7 @@ adlp_get_dkl_buf_trans_dp(struct intel_encoder *encoder,
 	}
 }
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 adlp_get_dkl_buf_trans(struct intel_encoder *encoder,
 		       const struct intel_crtc_state *crtc_state,
 		       int *n_entries)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.h b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.h
index aa612725d510..2ffa534010b3 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.h
+++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.h
@@ -58,52 +58,52 @@ struct intel_ddi_buf_trans {
 	u8 num_entries;
 };
 
-bool is_hobl_buf_trans(const union intel_ddi_buf_trans_entry *table);
+bool is_hobl_buf_trans(const struct intel_ddi_buf_trans *table);
 
 int intel_ddi_hdmi_num_entries(struct intel_encoder *encoder,
 			       const struct intel_crtc_state *crtc_state,
 			       int *default_entry);
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 hsw_get_buf_trans(struct intel_encoder *encoder,
 		  const struct intel_crtc_state *crtc_state,
 		  int *n_entries);
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 bxt_get_buf_trans(struct intel_encoder *encoder,
 		  const struct intel_crtc_state *crtc_state,
 		  int *n_entries);
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 adlp_get_dkl_buf_trans(struct intel_encoder *encoder,
 		       const struct intel_crtc_state *crtc_state,
 		       int *n_entries);
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 tgl_get_combo_buf_trans(struct intel_encoder *encoder,
 			const struct intel_crtc_state *crtc_state,
 			int *n_entries);
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 tgl_get_dkl_buf_trans(struct intel_encoder *encoder,
 		      const struct intel_crtc_state *crtc_state,
 		      int *n_entries);
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 jsl_get_combo_buf_trans(struct intel_encoder *encoder,
 			const struct intel_crtc_state *crtc_state,
 			int *n_entries);
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 ehl_get_combo_buf_trans(struct intel_encoder *encoder,
 			const struct intel_crtc_state *crtc_state,
 			int *n_entries);
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 icl_get_combo_buf_trans(struct intel_encoder *encoder,
 			const struct intel_crtc_state *crtc_state,
 			int *n_entries);
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 icl_get_mg_buf_trans(struct intel_encoder *encoder,
 		     const struct intel_crtc_state *crtc_state,
 		     int *n_entries);
 
-const union intel_ddi_buf_trans_entry *
+const struct intel_ddi_buf_trans *
 cnl_get_buf_trans(struct intel_encoder *encoder,
 		  const struct intel_crtc_state *crtc_state,
 		  int *n_entries);
-- 
2.31.1



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