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>

4 files changed, 0 insertions, 35 deletions

diff --git a/drivers/video/omap2/dss/Kconfig b/drivers/video/omap2/dss/Kconfig
index 7be7c06a249e..9aaf3246f821 100644
--- 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 49015b8a9e4a..82012d15884b 100644
--- 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 b6cf03cc9221..6c4b034d7685 100644
--- 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 5ca67f111d09..94d82344894f 100644
--- 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);