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yaml
---
r: 271419
b: refs/heads/master
c: e82b090
h: refs/heads/master
i:
  271417: e36fab0
  271415: 327a30a
v: v3
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Tomi Valkeinen committed Sep 30, 2011
1 parent d37ff8a commit ba4bba2
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Showing 2 changed files with 30 additions and 21 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 4a61e267c84e98caeddcab25432a871bf1a599dd
refs/heads/master: e82b090b80a41f2b5d9daec4c73edd76e2865419
49 changes: 29 additions & 20 deletions trunk/drivers/video/omap2/dss/dispc.c
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand All @@ -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);
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