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drm/panel: ilitek-ili9805: Use _multi variants

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Convert functions mipi_dsi_* to mipi_dsi_*_multi as per the
gpu/todo file.
The multi variant of these functions include improved error
handling.

Signed-off-by: Michail Tatas <michail.tatas@gmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patch.msgid.link/20260723203601.806697-2-michail.tatas@gmail.com
This commit is contained in:
Michail Tatas 2026-07-23 23:35:59 +03:00 committed by Douglas Anderson
parent 4d49f1adfb
commit fdde70f523
1 changed files with 13 additions and 38 deletions
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51
drivers/gpu/drm/panel/panel-ilitek-ili9805.c
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@ -159,36 +159,23 @@ static int ili9805_power_off(struct ili9805 *ctx)
static int ili9805_activate(struct ili9805 *ctx)
{
struct mipi_dsi_device *dsi = ctx->dsi;
struct device *dev = &dsi->dev;
int i, ret;
struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
int i;
for (i = 0; i < ctx->desc->init_length; i++) {
const struct ili9805_instr *instr = &ctx->desc->init[i];
ret = mipi_dsi_dcs_write_buffer(ctx->dsi, instr->data, instr->len);
if (ret < 0)
return ret;
mipi_dsi_dcs_write_buffer_multi(&dsi_ctx, instr->data, instr->len);
if (instr->delay > 0)
msleep(instr->delay);
mipi_dsi_msleep(&dsi_ctx, instr->delay);
}
ret = mipi_dsi_dcs_exit_sleep_mode(ctx->dsi);
if (ret) {
dev_err(dev, "Failed to exit sleep mode (%d)\n", ret);
return ret;
}
mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
mipi_dsi_usleep_range(&dsi_ctx, 5000, 6000);
mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
usleep_range(5000, 6000);
ret = mipi_dsi_dcs_set_display_on(ctx->dsi);
if (ret) {
dev_err(dev, "Failed to set display ON (%d)\n", ret);
return ret;
}
return 0;
return dsi_ctx.accum_err;
}
static int ili9805_prepare(struct drm_panel *panel)
@ -211,25 +198,13 @@ static int ili9805_prepare(struct drm_panel *panel)
static int ili9805_deactivate(struct ili9805 *ctx)
{
struct mipi_dsi_device *dsi = ctx->dsi;
struct device *dev = &dsi->dev;
int ret;
struct mipi_dsi_multi_context dsi_ctx = { .dsi = ctx->dsi };
ret = mipi_dsi_dcs_set_display_off(ctx->dsi);
if (ret < 0) {
dev_err(dev, "Failed to set display OFF (%d)\n", ret);
return ret;
}
mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
mipi_dsi_usleep_range(&dsi_ctx, 5000, 10000);
mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
usleep_range(5000, 10000);
ret = mipi_dsi_dcs_enter_sleep_mode(ctx->dsi);
if (ret < 0) {
dev_err(dev, "Failed to enter sleep mode (%d)\n", ret);
return ret;
}
return 0;
return dsi_ctx.accum_err;
}
static int ili9805_unprepare(struct drm_panel *panel)