summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDmitry Baryshkov <dmitry.baryshkov@linaro.org>2024-06-13 20:05:06 +0300
committerDmitry Baryshkov <dmitry.baryshkov@linaro.org>2024-06-24 19:41:05 +0300
commit36aa1f2bef25719d9567215291832fa09df0eabe (patch)
tree8fa5e60f148e793a5f4641bfad13e09cb53dbf22
parent548eb2bcea3c3edcdad9b4ec5cb840eb23701e7b (diff)
downloadlinux-36aa1f2bef25719d9567215291832fa09df0eabe.tar.xz
drm/msm/dsi: drop unused GPIOs handling
Neither disp-enable-gpios nor disp-te-gpios are defined in the schema. None of the board DT files use those GPIO pins. Drop them from the driver. Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Patchwork: https://patchwork.freedesktop.org/patch/598734/ Link: https://lore.kernel.org/r/20240613-dpu-handle-te-signal-v2-3-67a0116b5366@linaro.org
-rw-r--r--drivers/gpu/drm/msm/dsi/dsi_host.c37
1 files changed, 0 insertions, 37 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 4768cff08381..80fa91289381 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -7,7 +7,6 @@
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
-#include <linux/gpio/consumer.h>
#include <linux/interrupt.h>
#include <linux/mfd/syscon.h>
#include <linux/of.h>
@@ -130,9 +129,6 @@ struct msm_dsi_host {
unsigned long src_clk_rate;
- struct gpio_desc *disp_en_gpio;
- struct gpio_desc *te_gpio;
-
const struct msm_dsi_cfg_handler *cfg_hnd;
struct completion dma_comp;
@@ -1621,28 +1617,6 @@ static irqreturn_t dsi_host_irq(int irq, void *ptr)
return IRQ_HANDLED;
}
-static int dsi_host_init_panel_gpios(struct msm_dsi_host *msm_host,
- struct device *panel_device)
-{
- msm_host->disp_en_gpio = devm_gpiod_get_optional(panel_device,
- "disp-enable",
- GPIOD_OUT_LOW);
- if (IS_ERR(msm_host->disp_en_gpio)) {
- DBG("cannot get disp-enable-gpios %ld",
- PTR_ERR(msm_host->disp_en_gpio));
- return PTR_ERR(msm_host->disp_en_gpio);
- }
-
- msm_host->te_gpio = devm_gpiod_get_optional(panel_device, "disp-te",
- GPIOD_IN);
- if (IS_ERR(msm_host->te_gpio)) {
- DBG("cannot get disp-te-gpios %ld", PTR_ERR(msm_host->te_gpio));
- return PTR_ERR(msm_host->te_gpio);
- }
-
- return 0;
-}
-
static int dsi_host_attach(struct mipi_dsi_host *host,
struct mipi_dsi_device *dsi)
{
@@ -1659,11 +1633,6 @@ static int dsi_host_attach(struct mipi_dsi_host *host,
if (dsi->dsc)
msm_host->dsc = dsi->dsc;
- /* Some gpios defined in panel DT need to be controlled by host */
- ret = dsi_host_init_panel_gpios(msm_host, &dsi->dev);
- if (ret)
- return ret;
-
ret = dsi_dev_attach(msm_host->pdev);
if (ret)
return ret;
@@ -2430,9 +2399,6 @@ int msm_dsi_host_power_on(struct mipi_dsi_host *host,
dsi_sw_reset(msm_host);
dsi_ctrl_enable(msm_host, phy_shared_timings, phy);
- if (msm_host->disp_en_gpio)
- gpiod_set_value(msm_host->disp_en_gpio, 1);
-
msm_host->power_on = true;
mutex_unlock(&msm_host->dev_mutex);
@@ -2462,9 +2428,6 @@ int msm_dsi_host_power_off(struct mipi_dsi_host *host)
dsi_ctrl_disable(msm_host);
- if (msm_host->disp_en_gpio)
- gpiod_set_value(msm_host->disp_en_gpio, 0);
-
pinctrl_pm_select_sleep_state(&msm_host->pdev->dev);
cfg_hnd->ops->link_clk_disable(msm_host);