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path: root/drivers/gpu/drm/panel/panel-samsung-s6d16d0.c
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Diffstat (limited to 'drivers/gpu/drm/panel/panel-samsung-s6d16d0.c')
-rw-r--r--drivers/gpu/drm/panel/panel-samsung-s6d16d0.c54
1 files changed, 17 insertions, 37 deletions
diff --git a/drivers/gpu/drm/panel/panel-samsung-s6d16d0.c b/drivers/gpu/drm/panel/panel-samsung-s6d16d0.c
index 2150043dcf6b..ba1a02000bb9 100644
--- a/drivers/gpu/drm/panel/panel-samsung-s6d16d0.c
+++ b/drivers/gpu/drm/panel/panel-samsung-s6d16d0.c
@@ -7,12 +7,11 @@
#include <drm/drm_modes.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_panel.h>
-#include <drm/drm_print.h>
#include <linux/gpio/consumer.h>
#include <linux/regulator/consumer.h>
#include <linux/delay.h>
-#include <linux/of_device.h>
+#include <linux/mod_devicetable.h>
#include <linux/module.h>
struct s6d16d0 {
@@ -37,12 +36,6 @@ static const struct drm_display_mode samsung_s6d16d0_mode = {
.vsync_start = 480 + 1,
.vsync_end = 480 + 1 + 1,
.vtotal = 480 + 1 + 1 + 1,
- /*
- * This depends on the clocking HS vs LP rate, this value
- * is calculated as:
- * vrefresh = (clock * 1000) / (htotal*vtotal)
- */
- .vrefresh = 816,
.width_mm = 84,
.height_mm = 48,
};
@@ -61,8 +54,7 @@ static int s6d16d0_unprepare(struct drm_panel *panel)
/* Enter sleep mode */
ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
if (ret) {
- DRM_DEV_ERROR(s6->dev, "failed to enter sleep mode (%d)\n",
- ret);
+ dev_err(s6->dev, "failed to enter sleep mode (%d)\n", ret);
return ret;
}
@@ -81,7 +73,7 @@ static int s6d16d0_prepare(struct drm_panel *panel)
ret = regulator_enable(s6->supply);
if (ret) {
- DRM_DEV_ERROR(s6->dev, "failed to enable supply (%d)\n", ret);
+ dev_err(s6->dev, "failed to enable supply (%d)\n", ret);
return ret;
}
@@ -96,15 +88,13 @@ static int s6d16d0_prepare(struct drm_panel *panel)
ret = mipi_dsi_dcs_set_tear_on(dsi,
MIPI_DSI_DCS_TEAR_MODE_VBLANK);
if (ret) {
- DRM_DEV_ERROR(s6->dev, "failed to enable vblank TE (%d)\n",
- ret);
+ dev_err(s6->dev, "failed to enable vblank TE (%d)\n", ret);
return ret;
}
/* Exit sleep mode and power on */
ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
if (ret) {
- DRM_DEV_ERROR(s6->dev, "failed to exit sleep mode (%d)\n",
- ret);
+ dev_err(s6->dev, "failed to exit sleep mode (%d)\n", ret);
return ret;
}
@@ -119,8 +109,7 @@ static int s6d16d0_enable(struct drm_panel *panel)
ret = mipi_dsi_dcs_set_display_on(dsi);
if (ret) {
- DRM_DEV_ERROR(s6->dev, "failed to turn display on (%d)\n",
- ret);
+ dev_err(s6->dev, "failed to turn display on (%d)\n", ret);
return ret;
}
@@ -135,8 +124,7 @@ static int s6d16d0_disable(struct drm_panel *panel)
ret = mipi_dsi_dcs_set_display_off(dsi);
if (ret) {
- DRM_DEV_ERROR(s6->dev, "failed to turn display off (%d)\n",
- ret);
+ dev_err(s6->dev, "failed to turn display off (%d)\n", ret);
return ret;
}
@@ -150,7 +138,7 @@ static int s6d16d0_get_modes(struct drm_panel *panel,
mode = drm_mode_duplicate(connector->dev, &samsung_s6d16d0_mode);
if (!mode) {
- DRM_ERROR("bad mode or failed to add mode\n");
+ dev_err(panel->dev, "bad mode or failed to add mode\n");
return -EINVAL;
}
drm_mode_set_name(mode);
@@ -178,9 +166,11 @@ static int s6d16d0_probe(struct mipi_dsi_device *dsi)
struct s6d16d0 *s6;
int ret;
- s6 = devm_kzalloc(dev, sizeof(struct s6d16d0), GFP_KERNEL);
- if (!s6)
- return -ENOMEM;
+ s6 = devm_drm_panel_alloc(dev, struct s6d16d0, panel,
+ &s6d16d0_drm_funcs,
+ DRM_MODE_CONNECTOR_DSI);
+ if (IS_ERR(s6))
+ return PTR_ERR(s6);
mipi_dsi_set_drvdata(dsi, s6);
s6->dev = dev;
@@ -196,9 +186,7 @@ static int s6d16d0_probe(struct mipi_dsi_device *dsi)
* As we only send commands we do not need to be continuously
* clocked.
*/
- dsi->mode_flags =
- MIPI_DSI_CLOCK_NON_CONTINUOUS |
- MIPI_DSI_MODE_EOT_PACKET;
+ dsi->mode_flags = MIPI_DSI_CLOCK_NON_CONTINUOUS;
s6->supply = devm_regulator_get(dev, "vdd1");
if (IS_ERR(s6->supply))
@@ -210,17 +198,11 @@ static int s6d16d0_probe(struct mipi_dsi_device *dsi)
if (IS_ERR(s6->reset_gpio)) {
ret = PTR_ERR(s6->reset_gpio);
if (ret != -EPROBE_DEFER)
- DRM_DEV_ERROR(dev, "failed to request GPIO (%d)\n",
- ret);
+ dev_err(dev, "failed to request GPIO (%d)\n", ret);
return ret;
}
- drm_panel_init(&s6->panel, dev, &s6d16d0_drm_funcs,
- DRM_MODE_CONNECTOR_DSI);
-
- ret = drm_panel_add(&s6->panel);
- if (ret < 0)
- return ret;
+ drm_panel_add(&s6->panel);
ret = mipi_dsi_attach(dsi);
if (ret < 0)
@@ -229,14 +211,12 @@ static int s6d16d0_probe(struct mipi_dsi_device *dsi)
return ret;
}
-static int s6d16d0_remove(struct mipi_dsi_device *dsi)
+static void s6d16d0_remove(struct mipi_dsi_device *dsi)
{
struct s6d16d0 *s6 = mipi_dsi_get_drvdata(dsi);
mipi_dsi_detach(dsi);
drm_panel_remove(&s6->panel);
-
- return 0;
}
static const struct of_device_id s6d16d0_of_match[] = {