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OMAPDSS: DISPC: move fifo threhold calc to dispc.c 

Move fifo threshold calculation into dispc.c, as the thresholds are
really dispc internal thing.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2012-01-13 13:17:01 +02:00
parent 3cb5d966e2
commit 83fa2f2e94
5 changed files with 24 additions and 60 deletions
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34
drivers/video/omap2/dss/apply.c
View File

@ -907,7 +907,6 @@ static void dss_ovl_setup_fifo(struct omap_overlay *ovl,
{
struct ovl_priv_data *op = get_ovl_priv(ovl);
struct omap_dss_device *dssdev;
u32 size, burst_size;
u32 fifo_low, fifo_high;
if (!op->enabled && !op->enabling)
@ -915,37 +914,8 @@ static void dss_ovl_setup_fifo(struct omap_overlay *ovl,
dssdev = ovl->manager->device;
if (use_fifo_merge) {
int i;
size = 0;
for (i = 0; i < omap_dss_get_num_overlays(); ++i)
size += dispc_ovl_get_fifo_size(i);
} else {
size = dispc_ovl_get_fifo_size(ovl->id);
}
burst_size = dispc_ovl_get_burst_size(ovl->id);
switch (dssdev->type) {
case OMAP_DISPLAY_TYPE_DPI:
case OMAP_DISPLAY_TYPE_DBI:
case OMAP_DISPLAY_TYPE_SDI:
case OMAP_DISPLAY_TYPE_VENC:
case OMAP_DISPLAY_TYPE_HDMI:
default_get_overlay_fifo_thresholds(ovl->id, size,
burst_size, &fifo_low, &fifo_high);
break;
#ifdef CONFIG_OMAP2_DSS_DSI
case OMAP_DISPLAY_TYPE_DSI:
dsi_get_overlay_fifo_thresholds(ovl->id, size,
burst_size, &fifo_low, &fifo_high);
break;
#endif
default:
BUG();
}
dispc_ovl_compute_fifo_thresholds(ovl->id, &fifo_low, &fifo_high,
use_fifo_merge);
dss_apply_ovl_fifo_thresholds(ovl, fifo_low, fifo_high);
}

22
drivers/video/omap2/dss/dispc.c
View File

@ -909,7 +909,7 @@ static void dispc_configure_burst_sizes(void)
dispc_ovl_set_burst_size(i, burst_size);
}
u32 dispc_ovl_get_burst_size(enum omap_plane plane)
static u32 dispc_ovl_get_burst_size(enum omap_plane plane)
{
unsigned unit = dss_feat_get_burst_size_unit();
/* burst multiplier is always x8 (see dispc_configure_burst_sizes()) */
@ -1018,7 +1018,7 @@ static void dispc_read_plane_fifo_sizes(void)
}
}
u32 dispc_ovl_get_fifo_size(enum omap_plane plane)
static u32 dispc_ovl_get_fifo_size(enum omap_plane plane)
{
return dispc.fifo_size[plane];
}
@ -1063,6 +1063,24 @@ void dispc_enable_fifomerge(bool enable)
REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 14, 14);
}
void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane,
u32 *fifo_low, u32 *fifo_high, bool use_fifomerge)
{
/*
* All sizes are in bytes. Both the buffer and burst are made of
* buffer_units, and the fifo thresholds must be buffer_unit aligned.
*/
unsigned buf_unit = dss_feat_get_buffer_size_unit();
unsigned fifo_size, burst_size;
burst_size = dispc_ovl_get_burst_size(plane);
fifo_size = dispc_ovl_get_fifo_size(plane);
*fifo_low = fifo_size - burst_size;
*fifo_high = fifo_size - buf_unit;
}
static void dispc_ovl_set_fir(enum omap_plane plane,
int hinc, int vinc,
enum omap_color_component color_comp)

10
drivers/video/omap2/dss/display.c
View File

@ -279,16 +279,6 @@ void omapdss_default_get_resolution(struct omap_dss_device *dssdev,
}
EXPORT_SYMBOL(omapdss_default_get_resolution);
void default_get_overlay_fifo_thresholds(enum omap_plane plane,
u32 fifo_size, u32 burst_size,
u32 *fifo_low, u32 *fifo_high)
{
unsigned buf_unit = dss_feat_get_buffer_size_unit();
*fifo_high = fifo_size - buf_unit;
*fifo_low = fifo_size - burst_size;
}
int omapdss_default_get_recommended_bpp(struct omap_dss_device *dssdev)
{
switch (dssdev->type) {

8
drivers/video/omap2/dss/dsi.c
View File

@ -4524,14 +4524,6 @@ int omapdss_dsi_enable_te(struct omap_dss_device *dssdev, bool enable)
}
EXPORT_SYMBOL(omapdss_dsi_enable_te);
void dsi_get_overlay_fifo_thresholds(enum omap_plane plane,
u32 fifo_size, u32 burst_size,
u32 *fifo_low, u32 *fifo_high)
{
*fifo_high = fifo_size - burst_size;
*fifo_low = fifo_size - burst_size * 2;
}
int dsi_init_display(struct omap_dss_device *dssdev)
{
struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);

10
drivers/video/omap2/dss/dss.h
View File

@ -202,9 +202,6 @@ void dss_uninit_device(struct platform_device *pdev,
struct omap_dss_device *dssdev);
bool dss_use_replication(struct omap_dss_device *dssdev,
enum omap_color_mode mode);
void default_get_overlay_fifo_thresholds(enum omap_plane plane,
u32 fifo_size, u32 burst_size,
u32 *fifo_low, u32 *fifo_high);
/* manager */
int dss_init_overlay_managers(struct platform_device *pdev);
@ -313,9 +310,6 @@ int dsi_pll_calc_clock_div_pck(struct platform_device *dsidev, bool is_tft,
int dsi_pll_init(struct platform_device *dsidev, bool enable_hsclk,
bool enable_hsdiv);
void dsi_pll_uninit(struct platform_device *dsidev, bool disconnect_lanes);
void dsi_get_overlay_fifo_thresholds(enum omap_plane plane,
u32 fifo_size, u32 burst_size,
u32 *fifo_low, u32 *fifo_high);
void dsi_wait_pll_hsdiv_dispc_active(struct platform_device *dsidev);
void dsi_wait_pll_hsdiv_dsi_active(struct platform_device *dsidev);
struct platform_device *dsi_get_dsidev_from_id(int module);
@ -429,8 +423,8 @@ int dispc_calc_clock_rates(unsigned long dispc_fclk_rate,
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);
void dispc_ovl_compute_fifo_thresholds(enum omap_plane plane,
u32 *fifo_low, u32 *fifo_high, bool use_fifomerge);
int dispc_ovl_setup(enum omap_plane plane, struct omap_overlay_info *oi,
bool ilace, bool replication);
int dispc_ovl_enable(enum omap_plane plane, bool enable);