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path: root/drivers/gpu/drm/mcde/mcde_drm.h
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Diffstat (limited to 'drivers/gpu/drm/mcde/mcde_drm.h')
-rw-r--r--drivers/gpu/drm/mcde/mcde_drm.h26
1 files changed, 23 insertions, 3 deletions
diff --git a/drivers/gpu/drm/mcde/mcde_drm.h b/drivers/gpu/drm/mcde/mcde_drm.h
index 679c2c4e6d9d..3e406d783465 100644
--- a/drivers/gpu/drm/mcde/mcde_drm.h
+++ b/drivers/gpu/drm/mcde/mcde_drm.h
@@ -9,6 +9,22 @@
#ifndef _MCDE_DRM_H_
#define _MCDE_DRM_H_
+enum mcde_flow_mode {
+ /* One-shot mode: flow stops after one frame */
+ MCDE_COMMAND_ONESHOT_FLOW,
+ /* Command mode with tearing effect (TE) IRQ sync */
+ MCDE_COMMAND_TE_FLOW,
+ /*
+ * Command mode with bus turn-around (BTA) and tearing effect
+ * (TE) IRQ sync.
+ */
+ MCDE_COMMAND_BTA_TE_FLOW,
+ /* Video mode with tearing effect (TE) sync IRQ */
+ MCDE_VIDEO_TE_FLOW,
+ /* Video mode with the formatter itself as sync source */
+ MCDE_VIDEO_FORMATTER_FLOW,
+};
+
struct mcde {
struct drm_device drm;
struct device *dev;
@@ -18,9 +34,7 @@ struct mcde {
struct drm_simple_display_pipe pipe;
struct mipi_dsi_device *mdsi;
s16 stride;
- bool te_sync;
- bool video_mode;
- bool oneshot_mode;
+ enum mcde_flow_mode flow_mode;
unsigned int flow_active;
spinlock_t flow_lock; /* Locks the channel flow control */
@@ -36,6 +50,12 @@ struct mcde {
#define to_mcde(dev) container_of(dev, struct mcde, drm)
+static inline bool mcde_flow_is_video(struct mcde *mcde)
+{
+ return (mcde->flow_mode == MCDE_VIDEO_TE_FLOW ||
+ mcde->flow_mode == MCDE_VIDEO_FORMATTER_FLOW);
+}
+
bool mcde_dsi_irq(struct mipi_dsi_device *mdsi);
void mcde_dsi_te_request(struct mipi_dsi_device *mdsi);
extern struct platform_driver mcde_dsi_driver;