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OMAPDSS: remove partial update from panel-taal

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Partial update for manual update displays has never worked quite well:
* The HW has limitations on the update area, and the x and width need to
  be even.
* Showing a part of a scaled overlay causes artifacts.
* Makes the management of dispc very complex

Considering the above points and the fact that partial update is not
used anywhere, this and the following patches remove the partial update
support. This will greatly simplify the following re-write of the apply
mechanism to get proper locking and additional features like fifo-merge.

This patch removes the partial update from the panel-taal.c.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2011-11-03 16:45:07 +02:00
parent 5476e74a03
commit 6331709bca
1 changed files with 4 additions and 12 deletions
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16
drivers/video/omap2/displays/panel-taal.c
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@ -198,12 +198,6 @@ struct taal_data {
bool te_enabled; bool te_enabled;
atomic_t do_update; atomic_t do_update;
struct {
u16 x;
u16 y;
u16 w;
u16 h;
} update_region;
int channel; int channel;
struct delayed_work te_timeout_work; struct delayed_work te_timeout_work;
@ -1440,16 +1434,14 @@ static int taal_update(struct omap_dss_device *dssdev,
goto err; goto err;
} }
r = taal_set_update_window(td, x, y, w, h); /* XXX no need to send this every frame, but dsi break if not done */
r = taal_set_update_window(td, 0, 0,
td->panel_config->timings.x_res,
td->panel_config->timings.y_res);
if (r) if (r)
goto err; goto err;
if (td->te_enabled && panel_data->use_ext_te) { if (td->te_enabled && panel_data->use_ext_te) {
td->update_region.x = x;
td->update_region.y = y;
td->update_region.w = w;
td->update_region.h = h;
barrier();
schedule_delayed_work(&td->te_timeout_work, schedule_delayed_work(&td->te_timeout_work,
msecs_to_jiffies(250)); msecs_to_jiffies(250));
atomic_set(&td->do_update, 1); atomic_set(&td->do_update, 1);