drm/omap: Use consistent name for struct videomode

Use 'vm' to refer to a struct videomode instead of 'p', 't', 'timings' or
something else.

The code will be easier to follow if we use consistent names.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi.h b/drivers/gpu/drm/omapdrm/dss/hdmi.h
index b97ee67..fb6cccd 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi.h
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi.h
@@ -181,7 +181,7 @@ struct hdmi_video_format {
 };
 
 struct hdmi_config {
-	struct videomode timings;
+	struct videomode vm;
 	struct hdmi_avi_infoframe infoframe;
 	enum hdmi_core_hdmi_dvi hdmi_dvi_mode;
 };
@@ -298,11 +298,11 @@ int hdmi_wp_set_pll_pwr(struct hdmi_wp_data *wp, enum hdmi_pll_pwr val);
 void hdmi_wp_video_config_format(struct hdmi_wp_data *wp,
 		struct hdmi_video_format *video_fmt);
 void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp,
-		struct videomode *timings);
+		struct videomode *vm);
 void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp,
-		struct videomode *timings);
+		struct videomode *vm);
 void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt,
-		struct videomode *timings, struct hdmi_config *param);
+		struct videomode *vm, struct hdmi_config *param);
 int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp);
 phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp);