* [PATCH] drm/msm/dsi: drop gdsc regulator handling
@ 2021-07-01 0:00 Dmitry Baryshkov
2021-07-01 16:43 ` [Freedreno] " abhinavk
2021-07-01 20:59 ` Bjorn Andersson
0 siblings, 2 replies; 3+ messages in thread
From: Dmitry Baryshkov @ 2021-07-01 0:00 UTC (permalink / raw)
To: Bjorn Andersson, Rob Clark, Sean Paul, Abhinav Kumar
Cc: Jonathan Marek, Stephen Boyd, David Airlie, Daniel Vetter,
linux-arm-msm, dri-devel, freedreno
None of supported devies uses "gdsc" regulator for DSI. GDSC support is
now implemented as a power domain. Drop old code and config handling
gdsc regulator requesting and enabling.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
drivers/gpu/drm/msm/dsi/dsi_cfg.c | 12 ++++--------
drivers/gpu/drm/msm/dsi/dsi_host.c | 22 +++-------------------
2 files changed, 7 insertions(+), 27 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
index f3f1c03c7db9..32c37d7c2109 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
@@ -32,9 +32,8 @@ static const char * const dsi_6g_bus_clk_names[] = {
static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
- .num = 4,
+ .num = 3,
.regs = {
- {"gdsc", -1, -1},
{"vdd", 150000, 100}, /* 3.0 V */
{"vdda", 100000, 100}, /* 1.2 V */
{"vddio", 100000, 100}, /* 1.8 V */
@@ -53,9 +52,8 @@ static const char * const dsi_8916_bus_clk_names[] = {
static const struct msm_dsi_config msm8916_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
- .num = 3,
+ .num = 2,
.regs = {
- {"gdsc", -1, -1},
{"vdda", 100000, 100}, /* 1.2 V */
{"vddio", 100000, 100}, /* 1.8 V */
},
@@ -73,9 +71,8 @@ static const char * const dsi_8976_bus_clk_names[] = {
static const struct msm_dsi_config msm8976_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
- .num = 3,
+ .num = 2,
.regs = {
- {"gdsc", -1, -1},
{"vdda", 100000, 100}, /* 1.2 V */
{"vddio", 100000, 100}, /* 1.8 V */
},
@@ -89,9 +86,8 @@ static const struct msm_dsi_config msm8976_dsi_cfg = {
static const struct msm_dsi_config msm8994_dsi_cfg = {
.io_offset = DSI_6G_REG_SHIFT,
.reg_cfg = {
- .num = 7,
+ .num = 6,
.regs = {
- {"gdsc", -1, -1},
{"vdda", 100000, 100}, /* 1.25 V */
{"vddio", 100000, 100}, /* 1.8 V */
{"vcca", 10000, 100}, /* 1.0 V */
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index ed504fe5074f..66c425d4159c 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -203,35 +203,22 @@ static const struct msm_dsi_cfg_handler *dsi_get_config(
{
const struct msm_dsi_cfg_handler *cfg_hnd = NULL;
struct device *dev = &msm_host->pdev->dev;
- struct regulator *gdsc_reg;
struct clk *ahb_clk;
int ret;
u32 major = 0, minor = 0;
- gdsc_reg = regulator_get(dev, "gdsc");
- if (IS_ERR(gdsc_reg)) {
- pr_err("%s: cannot get gdsc\n", __func__);
- goto exit;
- }
-
ahb_clk = msm_clk_get(msm_host->pdev, "iface");
if (IS_ERR(ahb_clk)) {
pr_err("%s: cannot get interface clock\n", __func__);
- goto put_gdsc;
+ goto exit;
}
pm_runtime_get_sync(dev);
- ret = regulator_enable(gdsc_reg);
- if (ret) {
- pr_err("%s: unable to enable gdsc\n", __func__);
- goto put_gdsc;
- }
-
ret = clk_prepare_enable(ahb_clk);
if (ret) {
pr_err("%s: unable to enable ahb_clk\n", __func__);
- goto disable_gdsc;
+ goto runtime_put;
}
ret = dsi_get_version(msm_host->ctrl_base, &major, &minor);
@@ -246,11 +233,8 @@ static const struct msm_dsi_cfg_handler *dsi_get_config(
disable_clks:
clk_disable_unprepare(ahb_clk);
-disable_gdsc:
- regulator_disable(gdsc_reg);
+runtime_put:
pm_runtime_put_sync(dev);
-put_gdsc:
- regulator_put(gdsc_reg);
exit:
return cfg_hnd;
}
--
2.30.2
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [Freedreno] [PATCH] drm/msm/dsi: drop gdsc regulator handling
2021-07-01 0:00 [PATCH] drm/msm/dsi: drop gdsc regulator handling Dmitry Baryshkov
@ 2021-07-01 16:43 ` abhinavk
2021-07-01 20:59 ` Bjorn Andersson
1 sibling, 0 replies; 3+ messages in thread
From: abhinavk @ 2021-07-01 16:43 UTC (permalink / raw)
To: Dmitry Baryshkov
Cc: Bjorn Andersson, Rob Clark, Sean Paul, Jonathan Marek,
Stephen Boyd, linux-arm-msm, dri-devel, David Airlie,
Daniel Vetter, freedreno
On 2021-06-30 17:00, Dmitry Baryshkov wrote:
> None of supported devies uses "gdsc" regulator for DSI. GDSC support is
> now implemented as a power domain. Drop old code and config handling
> gdsc regulator requesting and enabling.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <abhinavk@codeaurora.org>
> ---
> drivers/gpu/drm/msm/dsi/dsi_cfg.c | 12 ++++--------
> drivers/gpu/drm/msm/dsi/dsi_host.c | 22 +++-------------------
> 2 files changed, 7 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> index f3f1c03c7db9..32c37d7c2109 100644
> --- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> @@ -32,9 +32,8 @@ static const char * const dsi_6g_bus_clk_names[] = {
> static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
> .io_offset = DSI_6G_REG_SHIFT,
> .reg_cfg = {
> - .num = 4,
> + .num = 3,
> .regs = {
> - {"gdsc", -1, -1},
> {"vdd", 150000, 100}, /* 3.0 V */
> {"vdda", 100000, 100}, /* 1.2 V */
> {"vddio", 100000, 100}, /* 1.8 V */
> @@ -53,9 +52,8 @@ static const char * const dsi_8916_bus_clk_names[] =
> {
> static const struct msm_dsi_config msm8916_dsi_cfg = {
> .io_offset = DSI_6G_REG_SHIFT,
> .reg_cfg = {
> - .num = 3,
> + .num = 2,
> .regs = {
> - {"gdsc", -1, -1},
> {"vdda", 100000, 100}, /* 1.2 V */
> {"vddio", 100000, 100}, /* 1.8 V */
> },
> @@ -73,9 +71,8 @@ static const char * const dsi_8976_bus_clk_names[] =
> {
> static const struct msm_dsi_config msm8976_dsi_cfg = {
> .io_offset = DSI_6G_REG_SHIFT,
> .reg_cfg = {
> - .num = 3,
> + .num = 2,
> .regs = {
> - {"gdsc", -1, -1},
> {"vdda", 100000, 100}, /* 1.2 V */
> {"vddio", 100000, 100}, /* 1.8 V */
> },
> @@ -89,9 +86,8 @@ static const struct msm_dsi_config msm8976_dsi_cfg =
> {
> static const struct msm_dsi_config msm8994_dsi_cfg = {
> .io_offset = DSI_6G_REG_SHIFT,
> .reg_cfg = {
> - .num = 7,
> + .num = 6,
> .regs = {
> - {"gdsc", -1, -1},
> {"vdda", 100000, 100}, /* 1.25 V */
> {"vddio", 100000, 100}, /* 1.8 V */
> {"vcca", 10000, 100}, /* 1.0 V */
> diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c
> b/drivers/gpu/drm/msm/dsi/dsi_host.c
> index ed504fe5074f..66c425d4159c 100644
> --- a/drivers/gpu/drm/msm/dsi/dsi_host.c
> +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
> @@ -203,35 +203,22 @@ static const struct msm_dsi_cfg_handler
> *dsi_get_config(
> {
> const struct msm_dsi_cfg_handler *cfg_hnd = NULL;
> struct device *dev = &msm_host->pdev->dev;
> - struct regulator *gdsc_reg;
> struct clk *ahb_clk;
> int ret;
> u32 major = 0, minor = 0;
>
> - gdsc_reg = regulator_get(dev, "gdsc");
> - if (IS_ERR(gdsc_reg)) {
> - pr_err("%s: cannot get gdsc\n", __func__);
> - goto exit;
> - }
> -
> ahb_clk = msm_clk_get(msm_host->pdev, "iface");
> if (IS_ERR(ahb_clk)) {
> pr_err("%s: cannot get interface clock\n", __func__);
> - goto put_gdsc;
> + goto exit;
> }
>
> pm_runtime_get_sync(dev);
>
> - ret = regulator_enable(gdsc_reg);
> - if (ret) {
> - pr_err("%s: unable to enable gdsc\n", __func__);
> - goto put_gdsc;
> - }
> -
> ret = clk_prepare_enable(ahb_clk);
> if (ret) {
> pr_err("%s: unable to enable ahb_clk\n", __func__);
> - goto disable_gdsc;
> + goto runtime_put;
> }
>
> ret = dsi_get_version(msm_host->ctrl_base, &major, &minor);
> @@ -246,11 +233,8 @@ static const struct msm_dsi_cfg_handler
> *dsi_get_config(
>
> disable_clks:
> clk_disable_unprepare(ahb_clk);
> -disable_gdsc:
> - regulator_disable(gdsc_reg);
> +runtime_put:
> pm_runtime_put_sync(dev);
> -put_gdsc:
> - regulator_put(gdsc_reg);
> exit:
> return cfg_hnd;
> }
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] drm/msm/dsi: drop gdsc regulator handling
2021-07-01 0:00 [PATCH] drm/msm/dsi: drop gdsc regulator handling Dmitry Baryshkov
2021-07-01 16:43 ` [Freedreno] " abhinavk
@ 2021-07-01 20:59 ` Bjorn Andersson
1 sibling, 0 replies; 3+ messages in thread
From: Bjorn Andersson @ 2021-07-01 20:59 UTC (permalink / raw)
To: Dmitry Baryshkov
Cc: Rob Clark, Sean Paul, Abhinav Kumar, Jonathan Marek,
Stephen Boyd, David Airlie, Daniel Vetter, linux-arm-msm,
dri-devel, freedreno
On Wed 30 Jun 19:00 CDT 2021, Dmitry Baryshkov wrote:
> None of supported devies uses "gdsc" regulator for DSI. GDSC support is
> now implemented as a power domain. Drop old code and config handling
> gdsc regulator requesting and enabling.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Regards,
Bjorn
> ---
> drivers/gpu/drm/msm/dsi/dsi_cfg.c | 12 ++++--------
> drivers/gpu/drm/msm/dsi/dsi_host.c | 22 +++-------------------
> 2 files changed, 7 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> index f3f1c03c7db9..32c37d7c2109 100644
> --- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> +++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
> @@ -32,9 +32,8 @@ static const char * const dsi_6g_bus_clk_names[] = {
> static const struct msm_dsi_config msm8974_apq8084_dsi_cfg = {
> .io_offset = DSI_6G_REG_SHIFT,
> .reg_cfg = {
> - .num = 4,
> + .num = 3,
> .regs = {
> - {"gdsc", -1, -1},
> {"vdd", 150000, 100}, /* 3.0 V */
> {"vdda", 100000, 100}, /* 1.2 V */
> {"vddio", 100000, 100}, /* 1.8 V */
> @@ -53,9 +52,8 @@ static const char * const dsi_8916_bus_clk_names[] = {
> static const struct msm_dsi_config msm8916_dsi_cfg = {
> .io_offset = DSI_6G_REG_SHIFT,
> .reg_cfg = {
> - .num = 3,
> + .num = 2,
> .regs = {
> - {"gdsc", -1, -1},
> {"vdda", 100000, 100}, /* 1.2 V */
> {"vddio", 100000, 100}, /* 1.8 V */
> },
> @@ -73,9 +71,8 @@ static const char * const dsi_8976_bus_clk_names[] = {
> static const struct msm_dsi_config msm8976_dsi_cfg = {
> .io_offset = DSI_6G_REG_SHIFT,
> .reg_cfg = {
> - .num = 3,
> + .num = 2,
> .regs = {
> - {"gdsc", -1, -1},
> {"vdda", 100000, 100}, /* 1.2 V */
> {"vddio", 100000, 100}, /* 1.8 V */
> },
> @@ -89,9 +86,8 @@ static const struct msm_dsi_config msm8976_dsi_cfg = {
> static const struct msm_dsi_config msm8994_dsi_cfg = {
> .io_offset = DSI_6G_REG_SHIFT,
> .reg_cfg = {
> - .num = 7,
> + .num = 6,
> .regs = {
> - {"gdsc", -1, -1},
> {"vdda", 100000, 100}, /* 1.25 V */
> {"vddio", 100000, 100}, /* 1.8 V */
> {"vcca", 10000, 100}, /* 1.0 V */
> diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
> index ed504fe5074f..66c425d4159c 100644
> --- a/drivers/gpu/drm/msm/dsi/dsi_host.c
> +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
> @@ -203,35 +203,22 @@ static const struct msm_dsi_cfg_handler *dsi_get_config(
> {
> const struct msm_dsi_cfg_handler *cfg_hnd = NULL;
> struct device *dev = &msm_host->pdev->dev;
> - struct regulator *gdsc_reg;
> struct clk *ahb_clk;
> int ret;
> u32 major = 0, minor = 0;
>
> - gdsc_reg = regulator_get(dev, "gdsc");
> - if (IS_ERR(gdsc_reg)) {
> - pr_err("%s: cannot get gdsc\n", __func__);
> - goto exit;
> - }
> -
> ahb_clk = msm_clk_get(msm_host->pdev, "iface");
> if (IS_ERR(ahb_clk)) {
> pr_err("%s: cannot get interface clock\n", __func__);
> - goto put_gdsc;
> + goto exit;
> }
>
> pm_runtime_get_sync(dev);
>
> - ret = regulator_enable(gdsc_reg);
> - if (ret) {
> - pr_err("%s: unable to enable gdsc\n", __func__);
> - goto put_gdsc;
> - }
> -
> ret = clk_prepare_enable(ahb_clk);
> if (ret) {
> pr_err("%s: unable to enable ahb_clk\n", __func__);
> - goto disable_gdsc;
> + goto runtime_put;
> }
>
> ret = dsi_get_version(msm_host->ctrl_base, &major, &minor);
> @@ -246,11 +233,8 @@ static const struct msm_dsi_cfg_handler *dsi_get_config(
>
> disable_clks:
> clk_disable_unprepare(ahb_clk);
> -disable_gdsc:
> - regulator_disable(gdsc_reg);
> +runtime_put:
> pm_runtime_put_sync(dev);
> -put_gdsc:
> - regulator_put(gdsc_reg);
> exit:
> return cfg_hnd;
> }
> --
> 2.30.2
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-07-01 0:00 [PATCH] drm/msm/dsi: drop gdsc regulator handling Dmitry Baryshkov
2021-07-01 16:43 ` [Freedreno] " abhinavk
2021-07-01 20:59 ` Bjorn Andersson
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