From: Tejas Vipin <tejasvipin76@gmail.com>
To: jo@jsfamily.in, neil.armstrong@linaro.org,
maarten.lankhorst@linux.intel.com, mripard@kernel.org,
tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch
Cc: quic_jesszhan@quicinc.com, dianders@chromium.org,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
Tejas Vipin <tejasvipin76@gmail.com>
Subject: [PATCH] drm/panel: ebbg-ft8719: transition to mipi_dsi wrapped functions
Date: Mon, 6 Jan 2025 09:41:29 +0530 [thread overview]
Message-ID: <20250106041129.114867-1-tejasvipin76@gmail.com> (raw)
Changes the ebbg-ft8719 panel to use multi style functions for
improved error handling.
Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com>
---
drivers/gpu/drm/panel/panel-ebbg-ft8719.c | 67 ++++++-----------------
1 file changed, 16 insertions(+), 51 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-ebbg-ft8719.c b/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
index e85d63a176d0..0bfed0ec0bbc 100644
--- a/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
+++ b/drivers/gpu/drm/panel/panel-ebbg-ft8719.c
@@ -57,65 +57,39 @@ static void ebbg_ft8719_reset(struct ebbg_ft8719 *ctx)
static int ebbg_ft8719_on(struct ebbg_ft8719 *ctx)
{
struct mipi_dsi_device *dsi = ctx->dsi;
- struct device *dev = &dsi->dev;
- int ret;
+ struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
dsi->mode_flags |= MIPI_DSI_MODE_LPM;
- ret = mipi_dsi_dcs_set_display_brightness(dsi, 0x00ff);
- if (ret < 0) {
- dev_err(dev, "Failed to set display brightness: %d\n", ret);
- return ret;
- }
+ mipi_dsi_dcs_set_display_brightness_multi(&dsi_ctx, 0x00ff);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x24);
+ mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_POWER_SAVE, 0x00);
- mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x24);
- mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_POWER_SAVE, 0x00);
+ mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
+ mipi_dsi_msleep(&dsi_ctx, 90);
+ mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
- ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
- if (ret < 0) {
- dev_err(dev, "Failed to exit sleep mode: %d\n", ret);
- return ret;
- }
- msleep(90);
-
- ret = mipi_dsi_dcs_set_display_on(dsi);
- if (ret < 0) {
- dev_err(dev, "Failed to set display on: %d\n", ret);
- return ret;
- }
-
- return 0;
+ return dsi_ctx.accum_err;
}
static int ebbg_ft8719_off(struct ebbg_ft8719 *ctx)
{
struct mipi_dsi_device *dsi = ctx->dsi;
- struct device *dev = &dsi->dev;
- int ret;
+ struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
- ret = mipi_dsi_dcs_set_display_off(dsi);
- if (ret < 0) {
- dev_err(dev, "Failed to set display off: %d\n", ret);
- return ret;
- }
- usleep_range(10000, 11000);
-
- ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
- if (ret < 0) {
- dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
- return ret;
- }
- msleep(90);
+ mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
+ mipi_dsi_usleep_range(&dsi_ctx, 10000, 11000);
+ mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
+ mipi_dsi_msleep(&dsi_ctx, 90);
- return 0;
+ return dsi_ctx.accum_err;
}
static int ebbg_ft8719_prepare(struct drm_panel *panel)
{
struct ebbg_ft8719 *ctx = to_ebbg_ft8719(panel);
- struct device *dev = &ctx->dsi->dev;
int ret;
ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
@@ -126,7 +100,6 @@ static int ebbg_ft8719_prepare(struct drm_panel *panel)
ret = ebbg_ft8719_on(ctx);
if (ret < 0) {
- dev_err(dev, "Failed to initialize panel: %d\n", ret);
gpiod_set_value_cansleep(ctx->reset_gpio, 1);
return ret;
}
@@ -137,18 +110,10 @@ static int ebbg_ft8719_prepare(struct drm_panel *panel)
static int ebbg_ft8719_unprepare(struct drm_panel *panel)
{
struct ebbg_ft8719 *ctx = to_ebbg_ft8719(panel);
- struct device *dev = &ctx->dsi->dev;
- int ret;
-
- ret = ebbg_ft8719_off(ctx);
- if (ret < 0)
- dev_err(dev, "Failed to un-initialize panel: %d\n", ret);
+ ebbg_ft8719_off(ctx);
gpiod_set_value_cansleep(ctx->reset_gpio, 1);
-
- ret = regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
- if (ret)
- dev_err(panel->dev, "Failed to disable regulators: %d\n", ret);
+ regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
return 0;
}
--
2.47.1
next reply other threads:[~2025-01-06 4:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-06 4:11 Tejas Vipin [this message]
2025-01-06 17:25 ` neil.armstrong
2025-01-07 0:54 ` Doug Anderson
2025-01-13 16:34 ` Doug Anderson
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