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authorSumit Semwal <sumit.semwal@ti.com>2010-12-02 11:27:12 +0000
committerTomi Valkeinen <tomi.valkeinen@nokia.com>2011-01-10 11:36:49 +0200
commit2a205f34b8fb2b86887b177befa7b42efd7a60b9 (patch)
tree2fdc5ca7c8156fafe21d5406a5b7de375e84c97d /drivers
parentff1b2cde3f551c9b56887b41e0ebbf2907566a7d (diff)
OMAP: DSS2: LCD2 Channel Changes for DISPC
DISPC functions are modified in order to work when the manager is LCD2. This includes: Adding new IRQs specific to LCD2 and their handling. Provide dumps of the new manager's registers. Provide dumps of the new manager's clocks. Checks for channel for registers DISPC_CONTROL2 and DISPC_CONFIG2 which can't be parametrized. Signed-off-by: Sumit Semwal <sumit.semwal@ti.com> Signed-off-by: Mukund Mittal <mmittal@ti.com> Signed-off-by: Samreen <samreen@ti.com> Signed-off-by: Archit Taneja <archit@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/video/omap2/dss/dispc.c281
-rw-r--r--drivers/video/omap2/dss/dpi.c2
2 files changed, 243 insertions, 40 deletions
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 5dfdf0ba409d..fe41d891fd42 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -234,6 +234,17 @@ void dispc_save_context(void)
SR(GLOBAL_ALPHA);
SR(SIZE_DIG);
SR(SIZE_LCD(0));
+ if (dss_has_feature(FEAT_MGR_LCD2)) {
+ SR(CONTROL2);
+ SR(DEFAULT_COLOR(2));
+ SR(TRANS_COLOR(2));
+ SR(SIZE_LCD(2));
+ SR(TIMING_H(2));
+ SR(TIMING_V(2));
+ SR(POL_FREQ(2));
+ SR(DIVISOR(2));
+ SR(CONFIG2);
+ }
SR(GFX_BA0);
SR(GFX_BA1);
@@ -253,6 +264,15 @@ void dispc_save_context(void)
SR(CPR_COEF_R(0));
SR(CPR_COEF_G(0));
SR(CPR_COEF_B(0));
+ if (dss_has_feature(FEAT_MGR_LCD2)) {
+ SR(CPR_COEF_B(2));
+ SR(CPR_COEF_G(2));
+ SR(CPR_COEF_R(2));
+
+ SR(DATA_CYCLE1(2));
+ SR(DATA_CYCLE2(2));
+ SR(DATA_CYCLE3(2));
+ }
SR(GFX_PRELOAD);
@@ -373,6 +393,16 @@ void dispc_restore_context(void)
RR(GLOBAL_ALPHA);
RR(SIZE_DIG);
RR(SIZE_LCD(0));
+ if (dss_has_feature(FEAT_MGR_LCD2)) {
+ RR(DEFAULT_COLOR(2));
+ RR(TRANS_COLOR(2));
+ RR(SIZE_LCD(2));
+ RR(TIMING_H(2));
+ RR(TIMING_V(2));
+ RR(POL_FREQ(2));
+ RR(DIVISOR(2));
+ RR(CONFIG2);
+ }
RR(GFX_BA0);
RR(GFX_BA1);
@@ -392,6 +422,15 @@ void dispc_restore_context(void)
RR(CPR_COEF_R(0));
RR(CPR_COEF_G(0));
RR(CPR_COEF_B(0));
+ if (dss_has_feature(FEAT_MGR_LCD2)) {
+ RR(DATA_CYCLE1(2));
+ RR(DATA_CYCLE2(2));
+ RR(DATA_CYCLE3(2));
+
+ RR(CPR_COEF_B(2));
+ RR(CPR_COEF_G(2));
+ RR(CPR_COEF_R(2));
+ }
RR(GFX_PRELOAD);
@@ -495,7 +534,8 @@ void dispc_restore_context(void)
/* enable last, because LCD & DIGIT enable are here */
RR(CONTROL);
-
+ if (dss_has_feature(FEAT_MGR_LCD2))
+ RR(CONTROL2);
/* clear spurious SYNC_LOST_DIGIT interrupts */
dispc_write_reg(DISPC_IRQSTATUS, DISPC_IRQ_SYNC_LOST_DIGIT);
@@ -521,42 +561,63 @@ bool dispc_go_busy(enum omap_channel channel)
{
int bit;
- if (channel == OMAP_DSS_CHANNEL_LCD)
+ if (channel == OMAP_DSS_CHANNEL_LCD ||
+ channel == OMAP_DSS_CHANNEL_LCD2)
bit = 5; /* GOLCD */
else
bit = 6; /* GODIGIT */
- return REG_GET(DISPC_CONTROL, bit, bit) == 1;
+ if (channel == OMAP_DSS_CHANNEL_LCD2)
+ return REG_GET(DISPC_CONTROL2, bit, bit) == 1;
+ else
+ return REG_GET(DISPC_CONTROL, bit, bit) == 1;
}
void dispc_go(enum omap_channel channel)
{
int bit;
+ bool enable_bit, go_bit;
enable_clocks(1);
- if (channel == OMAP_DSS_CHANNEL_LCD)
+ if (channel == OMAP_DSS_CHANNEL_LCD ||
+ channel == OMAP_DSS_CHANNEL_LCD2)
bit = 0; /* LCDENABLE */
else
bit = 1; /* DIGITALENABLE */
/* if the channel is not enabled, we don't need GO */
- if (REG_GET(DISPC_CONTROL, bit, bit) == 0)
+ if (channel == OMAP_DSS_CHANNEL_LCD2)
+ enable_bit = REG_GET(DISPC_CONTROL2, bit, bit) == 1;
+ else
+ enable_bit = REG_GET(DISPC_CONTROL, bit, bit) == 1;
+
+ if (!enable_bit)
goto end;
- if (channel == OMAP_DSS_CHANNEL_LCD)
+ if (channel == OMAP_DSS_CHANNEL_LCD ||
+ channel == OMAP_DSS_CHANNEL_LCD2)
bit = 5; /* GOLCD */
else
bit = 6; /* GODIGIT */
- if (REG_GET(DISPC_CONTROL, bit, bit) == 1) {
+ if (channel == OMAP_DSS_CHANNEL_LCD2)
+ go_bit = REG_GET(DISPC_CONTROL2, bit, bit) == 1;
+ else
+ go_bit = REG_GET(DISPC_CONTROL, bit, bit) == 1;
+
+ if (go_bit) {
DSSERR("GO bit not down for channel %d\n", channel);
goto end;
}
- DSSDBG("GO %s\n", channel == OMAP_DSS_CHANNEL_LCD ? "LCD" : "DIGIT");
+ DSSDBG("GO %s\n", channel == OMAP_DSS_CHANNEL_LCD ? "LCD" :
+ (channel == OMAP_DSS_CHANNEL_LCD2 ? "LCD2" : "DIGIT"));
- REG_FLD_MOD(DISPC_CONTROL, 1, bit, bit);
+ if (channel == OMAP_DSS_CHANNEL_LCD2)
+ REG_FLD_MOD(DISPC_CONTROL2, 1, bit, bit);
+ else
+ REG_FLD_MOD(DISPC_CONTROL, 1, bit, bit);
end:
enable_clocks(0);
}
@@ -869,6 +930,7 @@ static void _dispc_set_channel_out(enum omap_plane plane,
{
int shift;
u32 val;
+ int chan = 0, chan2 = 0;
switch (plane) {
case OMAP_DSS_GFX:
@@ -884,7 +946,29 @@ static void _dispc_set_channel_out(enum omap_plane plane,
}
val = dispc_read_reg(dispc_reg_att[plane]);
- val = FLD_MOD(val, channel, shift, shift);
+ if (dss_has_feature(FEAT_MGR_LCD2)) {
+ switch (channel) {
+ case OMAP_DSS_CHANNEL_LCD:
+ chan = 0;
+ chan2 = 0;
+ break;
+ case OMAP_DSS_CHANNEL_DIGIT:
+ chan = 1;
+ chan2 = 0;
+ break;
+ case OMAP_DSS_CHANNEL_LCD2:
+ chan = 0;
+ chan2 = 1;
+ break;
+ default:
+ BUG();
+ }
+
+ val = FLD_MOD(val, chan, shift, shift);
+ val = FLD_MOD(val, chan2, 31, 30);
+ } else {
+ val = FLD_MOD(val, channel, shift, shift);
+ }
dispc_write_reg(dispc_reg_att[plane], val);
}
@@ -1688,36 +1772,44 @@ static void dispc_disable_isr(void *data, u32 mask)
complete(compl);
}
-static void _enable_lcd_out(bool enable)
+static void _enable_lcd_out(enum omap_channel channel, bool enable)
{
- REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 0, 0);
+ if (channel == OMAP_DSS_CHANNEL_LCD2)
+ REG_FLD_MOD(DISPC_CONTROL2, enable ? 1 : 0, 0, 0);
+ else
+ REG_FLD_MOD(DISPC_CONTROL, enable ? 1 : 0, 0, 0);
}
-static void dispc_enable_lcd_out(bool enable)
+static void dispc_enable_lcd_out(enum omap_channel channel, bool enable)
{
struct completion frame_done_completion;
bool is_on;
int r;
+ u32 irq;
enable_clocks(1);
/* When we disable LCD output, we need to wait until frame is done.
* Otherwise the DSS is still working, and turning off the clocks
* prevents DSS from going to OFF mode */
- is_on = REG_GET(DISPC_CONTROL, 0, 0);
+ is_on = channel == OMAP_DSS_CHANNEL_LCD2 ?
+ REG_GET(DISPC_CONTROL2, 0, 0) :
+ REG_GET(DISPC_CONTROL, 0, 0);
+
+ irq = channel == OMAP_DSS_CHANNEL_LCD2 ? DISPC_IRQ_FRAMEDONE2 :
+ DISPC_IRQ_FRAMEDONE;
if (!enable && is_on) {
init_completion(&frame_done_completion);
r = omap_dispc_register_isr(dispc_disable_isr,
- &frame_done_completion,
- DISPC_IRQ_FRAMEDONE);
+ &frame_done_completion, irq);
if (r)
DSSERR("failed to register FRAMEDONE isr\n");
}
- _enable_lcd_out(enable);
+ _enable_lcd_out(channel, enable);
if (!enable && is_on) {
if (!wait_for_completion_timeout(&frame_done_completion,
@@ -1725,8 +1817,7 @@ static void dispc_enable_lcd_out(bool enable)
DSSERR("timeout waiting for FRAME DONE\n");
r = omap_dispc_unregister_isr(dispc_disable_isr,
- &frame_done_completion,
- DISPC_IRQ_FRAMEDONE);
+ &frame_done_completion, irq);
if (r)
DSSERR("failed to unregister FRAMEDONE isr\n");
@@ -1796,6 +1887,8 @@ static void dispc_enable_digit_out(bool 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_write_reg(DISPC_IRQSTATUS, DISPC_IRQ_SYNC_LOST_DIGIT);
_omap_dispc_set_irqs();
spin_unlock_irqrestore(&dispc.irq_lock, flags);
@@ -1810,14 +1903,17 @@ bool dispc_is_channel_enabled(enum omap_channel channel)
return !!REG_GET(DISPC_CONTROL, 0, 0);
else if (channel == OMAP_DSS_CHANNEL_DIGIT)
return !!REG_GET(DISPC_CONTROL, 1, 1);
+ else if (channel == OMAP_DSS_CHANNEL_LCD2)
+ return !!REG_GET(DISPC_CONTROL2, 0, 0);
else
BUG();
}
void dispc_enable_channel(enum omap_channel channel, bool enable)
{
- if (channel == OMAP_DSS_CHANNEL_LCD)
- dispc_enable_lcd_out(enable);
+ if (channel == OMAP_DSS_CHANNEL_LCD ||
+ channel == OMAP_DSS_CHANNEL_LCD2)
+ dispc_enable_lcd_out(channel, enable);
else if (channel == OMAP_DSS_CHANNEL_DIGIT)
dispc_enable_digit_out(enable);
else
@@ -1848,7 +1944,10 @@ void dispc_pck_free_enable(bool enable)
void dispc_enable_fifohandcheck(enum omap_channel channel, bool enable)
{
enable_clocks(1);
- REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 16, 16);
+ if (channel == OMAP_DSS_CHANNEL_LCD2)
+ REG_FLD_MOD(DISPC_CONFIG2, enable ? 1 : 0, 16, 16);
+ else
+ REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 16, 16);
enable_clocks(0);
}
@@ -1873,7 +1972,10 @@ void dispc_set_lcd_display_type(enum omap_channel channel,
}
enable_clocks(1);
- REG_FLD_MOD(DISPC_CONTROL, mode, 3, 3);
+ if (channel == OMAP_DSS_CHANNEL_LCD2)
+ REG_FLD_MOD(DISPC_CONTROL2, mode, 3, 3);
+ else
+ REG_FLD_MOD(DISPC_CONTROL, mode, 3, 3);
enable_clocks(0);
}
@@ -1897,7 +1999,8 @@ u32 dispc_get_default_color(enum omap_channel channel)
u32 l;
BUG_ON(channel != OMAP_DSS_CHANNEL_DIGIT &&
- channel != OMAP_DSS_CHANNEL_LCD);
+ channel != OMAP_DSS_CHANNEL_LCD &&
+ channel != OMAP_DSS_CHANNEL_LCD2);
enable_clocks(1);
l = dispc_read_reg(DISPC_DEFAULT_COLOR(channel));
@@ -1913,8 +2016,10 @@ void dispc_set_trans_key(enum omap_channel ch,
enable_clocks(1);
if (ch == OMAP_DSS_CHANNEL_LCD)
REG_FLD_MOD(DISPC_CONFIG, type, 11, 11);
- else /* OMAP_DSS_CHANNEL_DIGIT */
+ else if (ch == OMAP_DSS_CHANNEL_DIGIT)
REG_FLD_MOD(DISPC_CONFIG, type, 13, 13);
+ else /* OMAP_DSS_CHANNEL_LCD2 */
+ REG_FLD_MOD(DISPC_CONFIG2, type, 11, 11);
dispc_write_reg(DISPC_TRANS_COLOR(ch), trans_key);
enable_clocks(0);
@@ -1930,6 +2035,8 @@ void dispc_get_trans_key(enum omap_channel ch,
*type = REG_GET(DISPC_CONFIG, 11, 11);
else if (ch == OMAP_DSS_CHANNEL_DIGIT)
*type = REG_GET(DISPC_CONFIG, 13, 13);
+ else if (ch == OMAP_DSS_CHANNEL_LCD2)
+ *type = REG_GET(DISPC_CONFIG2, 11, 11);
else
BUG();
}
@@ -1944,8 +2051,10 @@ void dispc_enable_trans_key(enum omap_channel ch, bool enable)
enable_clocks(1);
if (ch == OMAP_DSS_CHANNEL_LCD)
REG_FLD_MOD(DISPC_CONFIG, enable, 10, 10);
- else /* OMAP_DSS_CHANNEL_DIGIT */
+ else if (ch == OMAP_DSS_CHANNEL_DIGIT)
REG_FLD_MOD(DISPC_CONFIG, enable, 12, 12);
+ else /* OMAP_DSS_CHANNEL_LCD2 */
+ REG_FLD_MOD(DISPC_CONFIG2, enable, 10, 10);
enable_clocks(0);
}
void dispc_enable_alpha_blending(enum omap_channel ch, bool enable)
@@ -1956,8 +2065,10 @@ void dispc_enable_alpha_blending(enum omap_channel ch, bool enable)
enable_clocks(1);
if (ch == OMAP_DSS_CHANNEL_LCD)
REG_FLD_MOD(DISPC_CONFIG, enable, 18, 18);
- else /* OMAP_DSS_CHANNEL_DIGIT */
+ else if (ch == OMAP_DSS_CHANNEL_DIGIT)
REG_FLD_MOD(DISPC_CONFIG, enable, 19, 19);
+ else /* OMAP_DSS_CHANNEL_LCD2 */
+ REG_FLD_MOD(DISPC_CONFIG2, enable, 18, 18);
enable_clocks(0);
}
bool dispc_alpha_blending_enabled(enum omap_channel ch)
@@ -1972,6 +2083,8 @@ bool dispc_alpha_blending_enabled(enum omap_channel ch)
enabled = REG_GET(DISPC_CONFIG, 18, 18);
else if (ch == OMAP_DSS_CHANNEL_DIGIT)
enabled = REG_GET(DISPC_CONFIG, 19, 19);
+ else if (ch == OMAP_DSS_CHANNEL_LCD2)
+ enabled = REG_GET(DISPC_CONFIG2, 18, 18);
else
BUG();
enable_clocks(0);
@@ -1989,6 +2102,8 @@ bool dispc_trans_key_enabled(enum omap_channel ch)
enabled = REG_GET(DISPC_CONFIG, 10, 10);
else if (ch == OMAP_DSS_CHANNEL_DIGIT)
enabled = REG_GET(DISPC_CONFIG, 12, 12);
+ else if (ch == OMAP_DSS_CHANNEL_LCD2)
+ enabled = REG_GET(DISPC_CONFIG2, 10, 10);
else
BUG();
enable_clocks(0);
@@ -2020,7 +2135,10 @@ void dispc_set_tft_data_lines(enum omap_channel channel, u8 data_lines)
}
enable_clocks(1);
- REG_FLD_MOD(DISPC_CONTROL, code, 9, 8);
+ if (channel == OMAP_DSS_CHANNEL_LCD2)
+ REG_FLD_MOD(DISPC_CONTROL2, code, 9, 8);
+ else
+ REG_FLD_MOD(DISPC_CONTROL, code, 9, 8);
enable_clocks(0);
}
@@ -2055,15 +2173,17 @@ void dispc_set_parallel_interface_mode(enum omap_channel channel,
enable_clocks(1);
- l = dispc_read_reg(DISPC_CONTROL);
-
- l = FLD_MOD(l, stallmode, 11, 11);
-
- if (channel == OMAP_DSS_CHANNEL_LCD) {
+ if (channel == OMAP_DSS_CHANNEL_LCD2) {
+ l = dispc_read_reg(DISPC_CONTROL2);
+ l = FLD_MOD(l, stallmode, 11, 11);
+ dispc_write_reg(DISPC_CONTROL2, l);
+ } else {
+ l = dispc_read_reg(DISPC_CONTROL);
+ l = FLD_MOD(l, stallmode, 11, 11);
l = FLD_MOD(l, gpout0, 15, 15);
l = FLD_MOD(l, gpout1, 16, 16);
+ dispc_write_reg(DISPC_CONTROL, l);
}
- dispc_write_reg(DISPC_CONTROL, l);
enable_clocks(0);
}
@@ -2148,7 +2268,8 @@ void dispc_set_lcd_timings(enum omap_channel channel,
ht = (timings->pixel_clock * 1000) / xtot;
vt = (timings->pixel_clock * 1000) / xtot / ytot;
- DSSDBG("xres %u yres %u\n", timings->x_res, timings->y_res);
+ DSSDBG("channel %d xres %u yres %u\n", channel, timings->x_res,
+ timings->y_res);
DSSDBG("pck %u\n", timings->pixel_clock);
DSSDBG("hsw %d hfp %d hbp %d vsw %d vfp %d vbp %d\n",
timings->hsw, timings->hfp, timings->hbp,
@@ -2169,10 +2290,11 @@ static void dispc_set_lcd_divisor(enum omap_channel channel, u16 lck_div,
enable_clocks(0);
}
-static void dispc_get_lcd_divisor(int *lck_div, int *pck_div)
+static void dispc_get_lcd_divisor(enum omap_channel channel, int *lck_div,
+ int *pck_div)
{
u32 l;
- l = dispc_read_reg(DISPC_DIVISOR(OMAP_DSS_CHANNEL_LCD));
+ l = dispc_read_reg(DISPC_DIVISOR(channel));
*lck_div = FLD_GET(l, 23, 16);
*pck_div = FLD_GET(l, 7, 0);
}
@@ -2229,8 +2351,6 @@ void dispc_dump_clocks(struct seq_file *s)
enable_clocks(1);
- dispc_get_lcd_divisor(&lcd, &pcd);
-
seq_printf(s, "- DISPC -\n");
seq_printf(s, "dispc fclk source = %s\n",
@@ -2238,11 +2358,25 @@ void dispc_dump_clocks(struct seq_file *s)
"dss1_alwon_fclk" : "dsi1_pll_fclk");
seq_printf(s, "fck\t\t%-16lu\n", dispc_fclk_rate());
+
+ seq_printf(s, "- LCD1 -\n");
+
+ dispc_get_lcd_divisor(OMAP_DSS_CHANNEL_LCD, &lcd, &pcd);
+
seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
dispc_lclk_rate(OMAP_DSS_CHANNEL_LCD), lcd);
seq_printf(s, "pck\t\t%-16lupck div\t%u\n",
dispc_pclk_rate(OMAP_DSS_CHANNEL_LCD), pcd);
+ if (dss_has_feature(FEAT_MGR_LCD2)) {
+ seq_printf(s, "- LCD2 -\n");
+
+ dispc_get_lcd_divisor(OMAP_DSS_CHANNEL_LCD2, &lcd, &pcd);
+ seq_printf(s, "lck\t\t%-16lulck div\t%u\n",
+ dispc_lclk_rate(OMAP_DSS_CHANNEL_LCD2), lcd);
+ seq_printf(s, "pck\t\t%-16lupck div\t%u\n",
+ dispc_pclk_rate(OMAP_DSS_CHANNEL_LCD2), pcd);
+ }
enable_clocks(0);
}
@@ -2284,6 +2418,12 @@ void dispc_dump_irqs(struct seq_file *s)
PIS(SYNC_LOST);
PIS(SYNC_LOST_DIGIT);
PIS(WAKEUP);
+ if (dss_has_feature(FEAT_MGR_LCD2)) {
+ PIS(FRAMEDONE2);
+ PIS(VSYNC2);
+ PIS(ACBIAS_COUNT_STAT2);
+ PIS(SYNC_LOST2);
+ }
#undef PIS
}
#endif
@@ -2315,6 +2455,17 @@ void dispc_dump_regs(struct seq_file *s)
DUMPREG(DISPC_GLOBAL_ALPHA);
DUMPREG(DISPC_SIZE_DIG);
DUMPREG(DISPC_SIZE_LCD(0));
+ if (dss_has_feature(FEAT_MGR_LCD2)) {
+ DUMPREG(DISPC_CONTROL2);
+ DUMPREG(DISPC_CONFIG2);
+ DUMPREG(DISPC_DEFAULT_COLOR(2));
+ DUMPREG(DISPC_TRANS_COLOR(2));
+ DUMPREG(DISPC_TIMING_H(2));
+ DUMPREG(DISPC_TIMING_V(2));
+ DUMPREG(DISPC_POL_FREQ(2));
+ DUMPREG(DISPC_DIVISOR(2));
+ DUMPREG(DISPC_SIZE_LCD(2));
+ }
DUMPREG(DISPC_GFX_BA0);
DUMPREG(DISPC_GFX_BA1);
@@ -2335,6 +2486,15 @@ void dispc_dump_regs(struct seq_file *s)
DUMPREG(DISPC_CPR_COEF_R(0));
DUMPREG(DISPC_CPR_COEF_G(0));
DUMPREG(DISPC_CPR_COEF_B(0));
+ if (dss_has_feature(FEAT_MGR_LCD2)) {
+ DUMPREG(DISPC_DATA_CYCLE1(2));
+ DUMPREG(DISPC_DATA_CYCLE2(2));
+ DUMPREG(DISPC_DATA_CYCLE3(2));
+
+ DUMPREG(DISPC_CPR_COEF_R(2));
+ DUMPREG(DISPC_CPR_COEF_G(2));
+ DUMPREG(DISPC_CPR_COEF_B(2));
+ }
DUMPREG(DISPC_GFX_PRELOAD);
@@ -2686,6 +2846,8 @@ static void print_irq_status(u32 status)
PIS(VID2_FIFO_UNDERFLOW);
PIS(SYNC_LOST);
PIS(SYNC_LOST_DIGIT);
+ if (dss_has_feature(FEAT_MGR_LCD2))
+ PIS(SYNC_LOST2);
#undef PIS
printk("\n");
@@ -2904,6 +3066,45 @@ static void dispc_error_worker(struct work_struct *work)
}
}
+ if (errors & DISPC_IRQ_SYNC_LOST2) {
+ struct omap_overlay_manager *manager = NULL;
+ bool enable = false;
+
+ DSSERR("SYNC_LOST for LCD2, disabling LCD2\n");
+
+ for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
+ struct omap_overlay_manager *mgr;
+ mgr = omap_dss_get_overlay_manager(i);
+
+ if (mgr->id == OMAP_DSS_CHANNEL_LCD2) {
+ manager = mgr;
+ enable = mgr->device->state ==
+ OMAP_DSS_DISPLAY_ACTIVE;
+ mgr->device->driver->disable(mgr->device);
+ break;
+ }
+ }
+
+ if (manager) {
+ struct omap_dss_device *dssdev = manager->device;
+ for (i = 0; i < omap_dss_get_num_overlays(); ++i) {
+ struct omap_overlay *ovl;
+ ovl = omap_dss_get_overlay(i);
+
+ if (!(ovl->caps & OMAP_DSS_OVL_CAP_DISPC))
+ continue;
+
+ if (ovl->id != 0 && ovl->manager == manager)
+ dispc_enable_plane(ovl->id, 0);
+ }
+
+ dispc_go(manager->id);
+ mdelay(50);
+ if (enable)
+ dssdev->driver->enable(dssdev);
+ }
+ }
+
if (errors & DISPC_IRQ_OCP_ERR) {
DSSERR("OCP_ERR\n");
for (i = 0; i < omap_dss_get_num_overlay_managers(); ++i) {
@@ -3011,6 +3212,8 @@ static void _omap_dispc_initialize_irq(void)
memset(dispc.registered_isr, 0, sizeof(dispc.registered_isr));
dispc.irq_error_mask = DISPC_IRQ_MASK_ERROR;
+ if (dss_has_feature(FEAT_MGR_LCD2))
+ dispc.irq_error_mask |= DISPC_IRQ_SYNC_LOST2;
/* there's SYNC_LOST_DIGIT waiting after enabling the DSS,
* so clear it */
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index 8c61e87629b3..75fb0a515430 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -238,7 +238,7 @@ void dpi_set_timings(struct omap_dss_device *dssdev,
dssdev->panel.timings = *timings;
if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
dpi_set_mode(dssdev);
- dispc_go(OMAP_DSS_CHANNEL_LCD);
+ dispc_go(dssdev->manager->id);
}
}
EXPORT_SYMBOL(dpi_set_timings);

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