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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Date: Sat, 5 Aug 2017 01:44:12 +0300
Subject: drm: omapdrm: Move FEAT_DPI_USES_VDDS_DSI feature to dpi code
Git-commit: d178e034d5653edfbd16d0c71eeeed467e33c96f
Patch-mainline: v4.14-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

The FEAT_DPI_USES_VDDS_DSI feature is specific to the DPI, move it from
the omap_dss_features structure to the dpi code.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/omapdrm/dss/dpi.c          |   13 ++++++++++++-
 drivers/gpu/drm/omapdrm/dss/dss_features.c |    2 --
 drivers/gpu/drm/omapdrm/dss/dss_features.h |    1 -
 3 files changed, 12 insertions(+), 4 deletions(-)

--- a/drivers/gpu/drm/omapdrm/dss/dpi.c
+++ b/drivers/gpu/drm/omapdrm/dss/dpi.c
@@ -32,6 +32,7 @@
 #include <linux/string.h>
 #include <linux/of.h>
 #include <linux/clk.h>
+#include <linux/sys_soc.h>
 
 #include "omapdss.h"
 #include "dss.h"
@@ -565,11 +566,21 @@ static int dpi_verify_pll(struct dss_pll
 	return 0;
 }
 
+static const struct soc_device_attribute dpi_soc_devices[] = {
+	{ .family = "OMAP3[456]*" },
+	{ .family = "[AD]M37*" },
+	{ /* sentinel */ }
+};
+
 static int dpi_init_regulator(struct dpi_data *dpi)
 {
 	struct regulator *vdds_dsi;
 
-	if (!dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
+	/*
+	 * The DPI uses the DSI VDDS on OMAP34xx, OMAP35xx, OMAP36xx, AM37xx and
+	 * DM37xx only.
+	 */
+	if (!soc_device_match(dpi_soc_devices))
 		return 0;
 
 	if (dpi->vdds_dsi_reg)
--- a/drivers/gpu/drm/omapdrm/dss/dss_features.c
+++ b/drivers/gpu/drm/omapdrm/dss/dss_features.c
@@ -171,7 +171,6 @@ static const enum dss_feat_id omap3430_d
 	FEAT_ALPHA_FIXED_ZORDER,
 	FEAT_FIFO_MERGE,
 	FEAT_OMAP3_DSI_FIFO_BUG,
-	FEAT_DPI_USES_VDDS_DSI,
 };
 
 static const enum dss_feat_id am35xx_dss_feat_list[] = {
@@ -219,7 +218,6 @@ static const enum dss_feat_id omap3630_d
 	FEAT_ALPHA_FIXED_ZORDER,
 	FEAT_FIFO_MERGE,
 	FEAT_OMAP3_DSI_FIFO_BUG,
-	FEAT_DPI_USES_VDDS_DSI,
 };
 
 static const enum dss_feat_id omap4430_es1_0_dss_feat_list[] = {
--- a/drivers/gpu/drm/omapdrm/dss/dss_features.h
+++ b/drivers/gpu/drm/omapdrm/dss/dss_features.h
@@ -39,7 +39,6 @@ enum dss_feat_id {
 	/* Independent core clk divider */
 	FEAT_CORE_CLK_DIV,
 	FEAT_LCD_CLK_SRC,
-	FEAT_DPI_USES_VDDS_DSI,
 	FEAT_HANDLE_UV_SEPARATE,
 	FEAT_ATTR2,
 	FEAT_CPR,