diff options
Diffstat (limited to 'drivers/gpu/drm/panel/panel-orisetech-otm8009a.c')
| -rw-r--r-- | drivers/gpu/drm/panel/panel-orisetech-otm8009a.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c index 90f1ae4af93c..0fd2e0144d2b 100644 --- a/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c +++ b/drivers/gpu/drm/panel/panel-orisetech-otm8009a.c @@ -98,6 +98,20 @@ static void otm8009a_dcs_write_buf(struct otm8009a *ctx, const void *data, DRM_WARN("mipi dsi dcs write buffer failed\n"); } +static void otm8009a_dcs_write_buf_hs(struct otm8009a *ctx, const void *data, + size_t len) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev); + + /* data will be sent in dsi hs mode (ie. no lpm) */ + dsi->mode_flags &= ~MIPI_DSI_MODE_LPM; + + otm8009a_dcs_write_buf(ctx, data, len); + + /* restore back the dsi lpm mode */ + dsi->mode_flags |= MIPI_DSI_MODE_LPM; +} + #define dcs_write_seq(ctx, seq...) \ ({ \ static const u8 d[] = { seq }; \ @@ -387,7 +401,7 @@ static int otm8009a_backlight_update_status(struct backlight_device *bd) */ data[0] = MIPI_DCS_SET_DISPLAY_BRIGHTNESS; data[1] = bd->props.brightness; - otm8009a_dcs_write_buf(ctx, data, ARRAY_SIZE(data)); + otm8009a_dcs_write_buf_hs(ctx, data, ARRAY_SIZE(data)); /* set Brightness Control & Backlight on */ data[1] = 0x24; @@ -399,7 +413,7 @@ static int otm8009a_backlight_update_status(struct backlight_device *bd) /* Update Brightness Control & Backlight */ data[0] = MIPI_DCS_WRITE_CONTROL_DISPLAY; - otm8009a_dcs_write_buf(ctx, data, ARRAY_SIZE(data)); + otm8009a_dcs_write_buf_hs(ctx, data, ARRAY_SIZE(data)); return 0; } |