hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Kuogee Hsieh 2022-07-05 09:29:16 -07:00 committed by Vinod Koul
parent 85936d4f38
commit 7516351beb
3 changed files with 2 additions and 115 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/gpu/drm/msm/dp/dp_parser.c
View File

@ -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;
}

8
drivers/gpu/drm/msm/dp/dp_parser.h
View File

@ -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;

95
drivers/gpu/drm/msm/dp/dp_power.c
View File

@ -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;
}