dispc_mgr_enable_digit_out() didn't handle HDMI case very well.
Improve the function to use FRAMEDONETV interrupt to see when HDMI has
been disabled.
Cc: Mythri P K <mythripk@xxxxxx>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
drivers/video/omap2/dss/dispc.c | 49 +++++++++++++++++++++++----------------
1 files changed, 29 insertions(+), 20 deletions(-)
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 4e9f87f..38d6595 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -1924,11 +1924,16 @@ static void _enable_digit_out(bool enable)
static void dispc_mgr_enable_digit_out(bool enable)
{
struct completion frame_done_completion;
- int r;
+ enum dss_hdmi_venc_clk_source_select src;
+ int r, i;
+ u32 irq_mask;
+ int num_irqs;
if (REG_GET(DISPC_CONTROL, 1, 1) == enable)
return;
+ src = dss_get_hdmi_venc_clk_source();
+
if (enable) {
unsigned long flags;
/* When we enable digit output, we'll get an extra digit
@@ -1945,36 +1950,40 @@ static void dispc_mgr_enable_digit_out(bool enable)
* wait for the extra sync losts */
init_completion(&frame_done_completion);
+ if (src == DSS_HDMI_M_PCLK && enable == false) {
+ irq_mask = DISPC_IRQ_FRAMEDONETV;
+ num_irqs = 1;
+ } else {
+ irq_mask = DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD;
+ /* XXX I understand from TRM that we should only wait for the
+ * current field to complete. But it seems we have to wait for
+ * both fields */
+ num_irqs = 2;
+ }
+
r = omap_dispc_register_isr(dispc_disable_isr, &frame_done_completion,
- DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD);
+ irq_mask);
if (r)
- DSSERR("failed to register EVSYNC isr\n");
+ DSSERR("failed to register %x isr\n", irq_mask);
_enable_digit_out(enable);
- /* XXX I understand from TRM that we should only wait for the
- * current field to complete. But it seems we have to wait
- * for both fields */
- if (!wait_for_completion_timeout(&frame_done_completion,
- msecs_to_jiffies(100)))
- DSSERR("timeout waiting for EVSYNC\n");
-
- if (!wait_for_completion_timeout(&frame_done_completion,
- msecs_to_jiffies(100)))
- DSSERR("timeout waiting for EVSYNC\n");
+ for (i = 0; i < num_irqs; ++i) {
+ if (!wait_for_completion_timeout(&frame_done_completion,
+ msecs_to_jiffies(100)))
+ DSSERR("timeout waiting for digit out to %s\n",
+ enable ? "start" : "stop");
+ }
- r = omap_dispc_unregister_isr(dispc_disable_isr,
- &frame_done_completion,
- DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD);
+ r = omap_dispc_unregister_isr(dispc_disable_isr, &frame_done_completion,
+ irq_mask);
if (r)
- DSSERR("failed to unregister EVSYNC isr\n");
+ DSSERR("failed to unregister %x isr\n", irq_mask);
if (enable) {
unsigned long flags;
spin_lock_irqsave(&dispc.irq_lock, flags);
- dispc.irq_error_mask = DISPC_IRQ_MASK_ERROR;
- if (dss_has_feature(FEAT_MGR_LCD2))
- dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST2;
+ dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST_DIGIT;
dispc_write_reg(DISPC_IRQSTATUS, DISPC_IRQ_SYNC_LOST_DIGIT);
_omap_dispc_set_irqs();
spin_unlock_irqrestore(&dispc.irq_lock, flags);
--
1.7.4.1
--
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