OMAPDSS: DISPC: Remove Fake VSYNC support

Fake VSYNC support is a hack and has some bugs in it. It isn't used by any user
of DSS. Remove Fake VSYNC support. For DSI command mode and RFBI panels, a user
of DSS should wait for the completion of a frame by using the panel driver's
sync op.

Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig
index 7be7c06..9aaf324 100644 (file)
--- a/drivers/video/omap2/dss/Kconfig
+++ b/drivers/video/omap2/dss/Kconfig
@@ -90,15 +90,6 @@ config OMAP2_DSS_DSI
 
          See http://www.mipi.org/ for DSI spesifications.
 
-config OMAP2_DSS_FAKE_VSYNC
-       bool "Fake VSYNC irq from manual update displays"
-       default n
-       help
-         If this is selected, DSI will generate a fake DISPC VSYNC interrupt
-         when DSI has sent a frame. This is only needed with DSI or RFBI
-         displays using manual mode, and you want VSYNC to, for example,
-         time animation.
-
 config OMAP2_DSS_MIN_FCK_PER_PCK
        int "Minimum FCK/PCK ratio (for scaling)"
        range 0 32

diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 49015b8..82012d1 100644 (file)
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -3441,27 +3441,6 @@ int omap_dispc_wait_for_irq_interruptible_timeout(u32 irqmask,
        return 0;
 }
 
-#ifdef CONFIG_OMAP2_DSS_FAKE_VSYNC
-void dispc_fake_vsync_irq(void)
-{
-       u32 irqstatus = DISPC_IRQ_VSYNC;
-       int i;
-
-       WARN_ON(!in_interrupt());
-
-       for (i = 0; i < DISPC_MAX_NR_ISRS; i++) {
-               struct omap_dispc_isr_data *isr_data;
-               isr_data = &dispc.registered_isr[i];
-
-               if (!isr_data->isr)
-                       continue;
-
-               if (isr_data->mask & irqstatus)
-                       isr_data->isr(isr_data->arg, irqstatus);
-       }
-}
-#endif
-
 static void _omap_dispc_initialize_irq(void)
 {
        unsigned long flags;

diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index b6cf03c..6c4b034 100644 (file)
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -4152,10 +4152,6 @@ static void dsi_framedone_irq_callback(void *data, u32 mask)
        __cancel_delayed_work(&dsi->framedone_timeout_work);
 
        dsi_handle_framedone(dsidev, 0);
-
-#ifdef CONFIG_OMAP2_DSS_FAKE_VSYNC
-       dispc_fake_vsync_irq();
-#endif
 }
 
 int omap_dsi_update(struct omap_dss_device *dssdev, int channel,

diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 5ca67f1..94d8234 100644 (file)
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -396,7 +396,6 @@ void dispc_dump_clocks(struct seq_file *s);
 void dispc_dump_irqs(struct seq_file *s);
 void dispc_dump_regs(struct seq_file *s);
 void dispc_irq_handler(void);
-void dispc_fake_vsync_irq(void);
 
 int dispc_runtime_get(void);
 void dispc_runtime_put(void);