drm/msm/dp: delete vdda regulator related functions from eDP/DP controller

Vdda regulators are related to both eDP and DP phy so that it should be
managed at eDP and DP phy driver instead of controller. This patch removes
vdda regulators related functions out of eDP/DP controller.

Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/1657038556-2231-4-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/gpu/drm/msm/dp/dp_parser.c b/drivers/gpu/drm/msm/dp/dp_parser.c
index 8f9fed9fdafc49cd248cfdd26b731da558b9561d..4ef2130991a913d6aa6244c26ef1166378bce8a2 100644 (file)
--- a/drivers/gpu/drm/msm/dp/dp_parser.c
+++ b/drivers/gpu/drm/msm/dp/dp_parser.c
@@ -22,14 +22,6 @@
 #define DP_DEFAULT_P0_OFFSET   0x1000
 #define DP_DEFAULT_P0_SIZE     0x0400
 
-static const struct dp_regulator_cfg sdm845_dp_reg_cfg = {
-       .num = 2,
-       .regs = {
-               {"vdda-1p2", 21800, 4 },        /* 1.2 V */
-               {"vdda-0p9", 36000, 32 },       /* 0.9 V */
-       },
-};
-
 static void __iomem *dp_ioremap(struct platform_device *pdev, int idx, size_t *len)
 {
        struct resource *res;
@@ -298,12 +290,6 @@ static int dp_parser_parse(struct dp_parser *parser)
        if (rc)
                return rc;
 
-       /* Map the corresponding regulator information according to
-        * version. Currently, since we only have one supported platform,
-        * mapping the regulator directly.
-        */
-       parser->regulator_cfg = &sdm845_dp_reg_cfg;
-
        return 0;
 }
 

diff --git a/drivers/gpu/drm/msm/dp/dp_parser.h b/drivers/gpu/drm/msm/dp/dp_parser.h
index 3a4d7972c0697607f20488788d75e2a8d5113377..47430e3a97bf7e90ac69cd4ce7b1f1b1196bd88f 100644 (file)
--- a/drivers/gpu/drm/msm/dp/dp_parser.h
+++ b/drivers/gpu/drm/msm/dp/dp_parser.h
@@ -92,8 +92,6 @@ struct dp_pinctrl {
        struct pinctrl_state *state_suspend;
 };
 
-#define DP_DEV_REGULATOR_MAX   4
-
 /* Regulators for DP devices */
 struct dp_reg_entry {
        char name[32];
@@ -101,11 +99,6 @@ struct dp_reg_entry {
        int disable_load;
 };
 
-struct dp_regulator_cfg {
-       int num;
-       struct dp_reg_entry regs[DP_DEV_REGULATOR_MAX];
-};
-
 /**
  * struct dp_parser - DP parser's data exposed to clients
  *
@@ -121,7 +114,6 @@ struct dp_parser {
        struct dp_pinctrl pinctrl;
        struct dp_io io;
        struct dp_display_data disp_data;
-       const struct dp_regulator_cfg *regulator_cfg;
        u32 max_dp_lanes;
        struct drm_bridge *next_bridge;
 

diff --git a/drivers/gpu/drm/msm/dp/dp_power.c b/drivers/gpu/drm/msm/dp/dp_power.c
index d9e011775ad88ee212a911d2ba4c2056ab313f69..b52ac1d00bb7de3692775591d8168277ca851c43 100644 (file)
--- a/drivers/gpu/drm/msm/dp/dp_power.c
+++ b/drivers/gpu/drm/msm/dp/dp_power.c
@@ -20,82 +20,10 @@ struct dp_power_private {
        struct clk *link_clk_src;
        struct clk *pixel_provider;
        struct clk *link_provider;
-       struct regulator_bulk_data supplies[DP_DEV_REGULATOR_MAX];
 
        struct dp_power dp_power;
 };
 
-static void dp_power_regulator_disable(struct dp_power_private *power)
-{
-       struct regulator_bulk_data *s = power->supplies;
-       const struct dp_reg_entry *regs = power->parser->regulator_cfg->regs;
-       int num = power->parser->regulator_cfg->num;
-       int i;
-
-       DBG("");
-       for (i = num - 1; i >= 0; i--)
-               if (regs[i].disable_load >= 0)
-                       regulator_set_load(s[i].consumer,
-                                          regs[i].disable_load);
-
-       regulator_bulk_disable(num, s);
-}
-
-static int dp_power_regulator_enable(struct dp_power_private *power)
-{
-       struct regulator_bulk_data *s = power->supplies;
-       const struct dp_reg_entry *regs = power->parser->regulator_cfg->regs;
-       int num = power->parser->regulator_cfg->num;
-       int ret, i;
-
-       DBG("");
-       for (i = 0; i < num; i++) {
-               if (regs[i].enable_load >= 0) {
-                       ret = regulator_set_load(s[i].consumer,
-                                                regs[i].enable_load);
-                       if (ret < 0) {
-                               pr_err("regulator %d set op mode failed, %d\n",
-                                       i, ret);
-                               goto fail;
-                       }
-               }
-       }
-
-       ret = regulator_bulk_enable(num, s);
-       if (ret < 0) {
-               pr_err("regulator enable failed, %d\n", ret);
-               goto fail;
-       }
-
-       return 0;
-
-fail:
-       for (i--; i >= 0; i--)
-               regulator_set_load(s[i].consumer, regs[i].disable_load);
-       return ret;
-}
-
-static int dp_power_regulator_init(struct dp_power_private *power)
-{
-       struct regulator_bulk_data *s = power->supplies;
-       const struct dp_reg_entry *regs = power->parser->regulator_cfg->regs;
-       struct platform_device *pdev = power->pdev;
-       int num = power->parser->regulator_cfg->num;
-       int i, ret;
-
-       for (i = 0; i < num; i++)
-               s[i].supply = regs[i].name;
-
-       ret = devm_regulator_bulk_get(&pdev->dev, num, s);
-       if (ret < 0) {
-               pr_err("%s: failed to init regulator, ret=%d\n",
-                                               __func__, ret);
-               return ret;
-       }
-
-       return 0;
-}
-
 static int dp_power_clk_init(struct dp_power_private *power)
 {
        int rc = 0;
@@ -318,21 +246,10 @@ int dp_power_client_init(struct dp_power *dp_power)
 
        pm_runtime_enable(&power->pdev->dev);
 
-       rc = dp_power_regulator_init(power);
-       if (rc) {
-               DRM_ERROR("failed to init regulators %d\n", rc);
-               goto error;
-       }
-
        rc = dp_power_clk_init(power);
-       if (rc) {
+       if (rc)
                DRM_ERROR("failed to init clocks %d\n", rc);
-               goto error;
-       }
-       return 0;
 
-error:
-       pm_runtime_disable(&power->pdev->dev);
        return rc;
 }
 
@@ -365,22 +282,15 @@ int dp_power_init(struct dp_power *dp_power, bool flip)
        power = container_of(dp_power, struct dp_power_private, dp_power);
 
        pm_runtime_get_sync(&power->pdev->dev);
-       rc = dp_power_regulator_enable(power);
-       if (rc) {
-               DRM_ERROR("failed to enable regulators, %d\n", rc);
-               goto exit;
-       }
 
        rc = dp_power_clk_enable(dp_power, DP_CORE_PM, true);
        if (rc) {
                DRM_ERROR("failed to enable DP core clocks, %d\n", rc);
-               goto err_clk;
+               goto exit;
        }
 
        return 0;
 
-err_clk:
-       dp_power_regulator_disable(power);
 exit:
        pm_runtime_put_sync(&power->pdev->dev);
        return rc;
@@ -393,7 +303,6 @@ int dp_power_deinit(struct dp_power *dp_power)
        power = container_of(dp_power, struct dp_power_private, dp_power);
 
        dp_power_clk_enable(dp_power, DP_CORE_PM, false);
-       dp_power_regulator_disable(power);
        pm_runtime_put_sync(&power->pdev->dev);
        return 0;
 }