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OMAPDSS: separate FIFO threshold setup from ovl_setup

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Overlay FIFO thresholds are configured with ovl_setup, with all the
other overlay attributes. This patch separates FIFO threshold setup so
that we can later configure FIFO thresholds only when needed.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2011-11-03 17:00:07 +02:00
parent 3ba2a1c015
commit f38545da53
3 changed files with 8 additions and 10 deletions
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10
drivers/video/omap2/dss/dispc.c
View File

@ -1769,8 +1769,7 @@ static int dispc_ovl_calc_scaling(enum omap_plane plane,
}
int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
bool ilace, enum omap_channel channel, bool replication,
u32 fifo_low, u32 fifo_high)
bool ilace, enum omap_channel channel, bool replication)
{
struct omap_overlay *ovl = omap_dss_get_overlay(plane);
bool five_taps = false;
@ -1784,11 +1783,11 @@ int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
u16 outw, outh;
DSSDBG("dispc_ovl_setup %d, pa %x, pa_uv %x, sw %d, %d,%d, %dx%d -> "
"%dx%d, cmode %x, rot %d, mir %d, ilace %d chan %d repl %d "
"fifo_low %d fifo high %d\n", plane, oi->paddr, oi->p_uv_addr,
"%dx%d, cmode %x, rot %d, mir %d, ilace %d chan %d repl %d\n",
plane, oi->paddr, oi->p_uv_addr,
oi->screen_width, oi->pos_x, oi->pos_y, oi->width, oi->height,
oi->out_width, oi->out_height, oi->color_mode, oi->rotation,
oi->mirror, ilace, channel, replication, fifo_low, fifo_high);
oi->mirror, ilace, channel, replication);
if (oi->paddr == 0)
return -EINVAL;
@ -1896,7 +1895,6 @@ int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
dispc_ovl_set_channel_out(plane, channel);
dispc_ovl_enable_replication(plane, replication);
dispc_ovl_set_fifo_threshold(plane, fifo_low, fifo_high);
return 0;
}

3
drivers/video/omap2/dss/dss.h
View File

@ -397,8 +397,7 @@ void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high);
u32 dispc_ovl_get_fifo_size(enum omap_plane plane);
u32 dispc_ovl_get_burst_size(enum omap_plane plane);
int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
bool ilace, enum omap_channel channel, bool replication,
u32 fifo_low, u32 fifo_high);
bool ilace, enum omap_channel channel, bool replication);
int dispc_ovl_enable(enum omap_plane plane, bool enable);
void dispc_ovl_set_channel_out(enum omap_plane plane,
enum omap_channel channel);

5
drivers/video/omap2/dss/manager.c
View File

@ -777,8 +777,7 @@ static int configure_overlay(enum omap_plane plane)
ilace = ovl->manager->device->type == OMAP_DISPLAY_TYPE_VENC;
r = dispc_ovl_setup(plane, oi, ilace, c->channel,
replication, c->fifo_low, c->fifo_high);
r = dispc_ovl_setup(plane, oi, ilace, c->channel, replication);
if (r) {
/* this shouldn't happen */
DSSERR("dispc_ovl_setup failed for ovl %d\n", plane);
@ -786,6 +785,8 @@ static int configure_overlay(enum omap_plane plane)
return r;
}
dispc_ovl_set_fifo_threshold(plane, c->fifo_low, c->fifo_high);
dispc_ovl_enable(plane, 1);
return 0;