drm/tinydrm: Use drm_dev_enter/exit()

[linux.git] / drivers / gpu / drm / tinydrm / ili9341.c

diff --git a/drivers/gpu/drm/tinydrm/ili9341.c b/drivers/gpu/drm/tinydrm/ili9341.c
index 850ce9ed6dd23a8a2b7d1d7bbdf0576f58058459..d15f85e837ae8381303a25f179bac5f86ffbee0d 100644 (file)
--- a/drivers/gpu/drm/tinydrm/ili9341.c
+++ b/drivers/gpu/drm/tinydrm/ili9341.c
@@ -56,13 +56,16 @@ static void yx240qv29_enable(struct drm_simple_display_pipe *pipe,
 {
        struct mipi_dbi *mipi = drm_to_mipi_dbi(pipe->crtc.dev);
        u8 addr_mode;
-       int ret;
+       int ret, idx;
+
+       if (!drm_dev_enter(pipe->crtc.dev, &idx))
+               return;
 
        DRM_DEBUG_KMS("\n");
 
        ret = mipi_dbi_poweron_conditional_reset(mipi);
        if (ret < 0)
-               return;
+               goto out_exit;
        if (ret == 1)
                goto out_enable;
 
@@ -128,6 +131,8 @@ static void yx240qv29_enable(struct drm_simple_display_pipe *pipe,
        addr_mode |= ILI9341_MADCTL_BGR;
        mipi_dbi_command(mipi, MIPI_DCS_SET_ADDRESS_MODE, addr_mode);
        mipi_dbi_enable_flush(mipi, crtc_state, plane_state);
+out_exit:
+       drm_dev_exit(idx);
 }
 
 static const struct drm_simple_display_pipe_funcs ili9341_pipe_funcs = {