Introduce use of DRM_DEV* for logging.
This makes logging in the drm subsystem more consistent.

Signed-off-by: Sam Ravnborg <s...@ravnborg.org>
Cc: Thierry Reding <thierry.red...@gmail.com>
Cc: David Airlie <airl...@linux.ie>
Cc: Daniel Vetter <dan...@ffwll.ch>
---
 drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c 
b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
index c7037942c7f3..738270439285 100644
--- a/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
+++ b/drivers/gpu/drm/panel/panel-panasonic-vvx10f034n00.c
@@ -28,6 +28,7 @@
 #include <drm/drm_device.h>
 #include <drm/drm_mipi_dsi.h>
 #include <drm/drm_panel.h>
+#include <drm/drm_print.h>
 
 #include <video/mipi_display.h>
 
@@ -132,7 +133,7 @@ static int wuxga_nt_panel_prepare(struct drm_panel *panel)
 
        ret = wuxga_nt_panel_on(wuxga_nt);
        if (ret < 0) {
-               dev_err(panel->dev, "failed to set panel on: %d\n", ret);
+               DRM_DEV_ERROR(panel->dev, "failed to set panel on: %d\n", ret);
                goto poweroff;
        }
 
@@ -183,9 +184,10 @@ static int wuxga_nt_panel_get_modes(struct drm_panel 
*panel)
 
        mode = drm_mode_duplicate(panel->drm, &default_mode);
        if (!mode) {
-               dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
-                               default_mode.hdisplay, default_mode.vdisplay,
-                               default_mode.vrefresh);
+               DRM_DEV_ERROR(panel->drm->dev,
+                             "failed to add mode %ux%ux@%u\n",
+                             default_mode.hdisplay, default_mode.vdisplay,
+                             default_mode.vrefresh);
                return -ENOMEM;
        }
 
@@ -294,11 +296,13 @@ static int wuxga_nt_panel_remove(struct mipi_dsi_device 
*dsi)
 
        ret = wuxga_nt_panel_disable(&wuxga_nt->base);
        if (ret < 0)
-               dev_err(&dsi->dev, "failed to disable panel: %d\n", ret);
+               DRM_DEV_ERROR(&dsi->dev,
+                             "failed to disable panel: %d\n", ret);
 
        ret = mipi_dsi_detach(dsi);
        if (ret < 0)
-               dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
+               DRM_DEV_ERROR(&dsi->dev,
+                             "failed to detach from DSI host: %d\n", ret);
 
        wuxga_nt_panel_del(wuxga_nt);
 
-- 
2.12.0

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