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-rw-r--r--drivers/video/omap2/dss/dispc.c110
1 files changed, 64 insertions, 46 deletions
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 9c23ce8aed49..d65568929ac8 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -86,13 +86,13 @@ struct dispc_features {
u16 sw_max;
u16 vp_max;
u16 hp_max;
- int (*calc_scaling) (enum omap_channel channel,
+ int (*calc_scaling) (enum omap_plane plane,
const struct omap_video_timings *mgr_timings,
u16 width, u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode, bool *five_taps,
int *x_predecim, int *y_predecim, int *decim_x, int *decim_y,
u16 pos_x, unsigned long *core_clk);
- unsigned long (*calc_core_clk) (enum omap_channel channel,
+ unsigned long (*calc_core_clk) (enum omap_plane plane,
u16 width, u16 height, u16 out_width, u16 out_height);
u8 num_fifos;
@@ -236,6 +236,8 @@ static const struct {
};
static void _omap_dispc_set_irqs(void);
+static unsigned long dispc_plane_pclk_rate(enum omap_plane plane);
+static unsigned long dispc_plane_lclk_rate(enum omap_plane plane);
static inline void dispc_write_reg(const u16 idx, u32 val)
{
@@ -1919,22 +1921,19 @@ static void calc_tiler_rotation_offset(u16 screen_width, u16 width,
* This function is used to avoid synclosts in OMAP3, because of some
* undocumented horizontal position and timing related limitations.
*/
-static int check_horiz_timing_omap3(enum omap_channel channel,
+static int check_horiz_timing_omap3(enum omap_plane plane,
const struct omap_video_timings *t, u16 pos_x,
u16 width, u16 height, u16 out_width, u16 out_height)
{
int DS = DIV_ROUND_UP(height, out_height);
- unsigned long nonactive, lclk, pclk;
+ unsigned long nonactive;
static const u8 limits[3] = { 8, 10, 20 };
u64 val, blank;
+ unsigned long pclk = dispc_plane_pclk_rate(plane);
+ unsigned long lclk = dispc_plane_lclk_rate(plane);
int i;
nonactive = t->x_res + t->hfp + t->hsw + t->hbp - out_width;
- pclk = dispc_mgr_pclk_rate(channel);
- if (dss_mgr_is_lcd(channel))
- lclk = dispc_mgr_lclk_rate(channel);
- else
- lclk = dispc_fclk_rate();
i = 0;
if (out_height < height)
@@ -1971,13 +1970,14 @@ static int check_horiz_timing_omap3(enum omap_channel channel,
return 0;
}
-static unsigned long calc_core_clk_five_taps(enum omap_channel channel,
+static unsigned long calc_core_clk_five_taps(enum omap_plane plane,
const struct omap_video_timings *mgr_timings, u16 width,
u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode)
{
u32 core_clk = 0;
- u64 tmp, pclk = dispc_mgr_pclk_rate(channel);
+ u64 tmp;
+ unsigned long pclk = dispc_plane_pclk_rate(plane);
if (height <= out_height && width <= out_width)
return (unsigned long) pclk;
@@ -2011,10 +2011,10 @@ static unsigned long calc_core_clk_five_taps(enum omap_channel channel,
return core_clk;
}
-static unsigned long calc_core_clk_24xx(enum omap_channel channel, u16 width,
+static unsigned long calc_core_clk_24xx(enum omap_plane plane, u16 width,
u16 height, u16 out_width, u16 out_height)
{
- unsigned long pclk = dispc_mgr_pclk_rate(channel);
+ unsigned long pclk = dispc_plane_pclk_rate(plane);
if (height > out_height && width > out_width)
return pclk * 4;
@@ -2022,11 +2022,11 @@ static unsigned long calc_core_clk_24xx(enum omap_channel channel, u16 width,
return pclk * 2;
}
-static unsigned long calc_core_clk_34xx(enum omap_channel channel, u16 width,
+static unsigned long calc_core_clk_34xx(enum omap_plane plane, u16 width,
u16 height, u16 out_width, u16 out_height)
{
unsigned int hf, vf;
- unsigned long pclk = dispc_mgr_pclk_rate(channel);
+ unsigned long pclk = dispc_plane_pclk_rate(plane);
/*
* FIXME how to determine the 'A' factor
@@ -2049,10 +2049,10 @@ static unsigned long calc_core_clk_34xx(enum omap_channel channel, u16 width,
return pclk * vf * hf;
}
-static unsigned long calc_core_clk_44xx(enum omap_channel channel, u16 width,
+static unsigned long calc_core_clk_44xx(enum omap_plane plane, u16 width,
u16 height, u16 out_width, u16 out_height)
{
- unsigned long pclk = dispc_mgr_pclk_rate(channel);
+ unsigned long pclk = dispc_plane_pclk_rate(plane);
if (width > out_width)
return DIV_ROUND_UP(pclk, out_width) * width;
@@ -2060,7 +2060,7 @@ static unsigned long calc_core_clk_44xx(enum omap_channel channel, u16 width,
return pclk;
}
-static int dispc_ovl_calc_scaling_24xx(enum omap_channel channel,
+static int dispc_ovl_calc_scaling_24xx(enum omap_plane plane,
const struct omap_video_timings *mgr_timings,
u16 width, u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode, bool *five_taps,
@@ -2072,12 +2072,13 @@ static int dispc_ovl_calc_scaling_24xx(enum omap_channel channel,
int min_factor = min(*decim_x, *decim_y);
const int maxsinglelinewidth =
dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH);
+
*five_taps = false;
do {
in_height = DIV_ROUND_UP(height, *decim_y);
in_width = DIV_ROUND_UP(width, *decim_x);
- *core_clk = dispc.feat->calc_core_clk(channel, in_width,
+ *core_clk = dispc.feat->calc_core_clk(plane, in_width,
in_height, out_width, out_height);
error = (in_width > maxsinglelinewidth || !*core_clk ||
*core_clk > dispc_core_clk_rate());
@@ -2100,7 +2101,7 @@ static int dispc_ovl_calc_scaling_24xx(enum omap_channel channel,
return 0;
}
-static int dispc_ovl_calc_scaling_34xx(enum omap_channel channel,
+static int dispc_ovl_calc_scaling_34xx(enum omap_plane plane,
const struct omap_video_timings *mgr_timings,
u16 width, u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode, bool *five_taps,
@@ -2116,18 +2117,19 @@ static int dispc_ovl_calc_scaling_34xx(enum omap_channel channel,
do {
in_height = DIV_ROUND_UP(height, *decim_y);
in_width = DIV_ROUND_UP(width, *decim_x);
- *core_clk = calc_core_clk_five_taps(channel, mgr_timings,
+ *core_clk = calc_core_clk_five_taps(plane, mgr_timings,
in_width, in_height, out_width, out_height, color_mode);
- error = check_horiz_timing_omap3(channel, mgr_timings, pos_x,
- in_width, in_height, out_width, out_height);
+ error = check_horiz_timing_omap3(plane, mgr_timings,
+ pos_x, in_width, in_height, out_width,
+ out_height);
if (in_width > maxsinglelinewidth)
if (in_height > out_height &&
in_height < out_height * 2)
*five_taps = false;
if (!*five_taps)
- *core_clk = dispc.feat->calc_core_clk(channel, in_width,
+ *core_clk = dispc.feat->calc_core_clk(plane, in_width,
in_height, out_width, out_height);
error = (error || in_width > maxsinglelinewidth * 2 ||
@@ -2145,7 +2147,7 @@ static int dispc_ovl_calc_scaling_34xx(enum omap_channel channel,
}
} while (*decim_x <= *x_predecim && *decim_y <= *y_predecim && error);
- if (check_horiz_timing_omap3(channel, mgr_timings, pos_x, width, height,
+ if (check_horiz_timing_omap3(plane, mgr_timings, pos_x, width, height,
out_width, out_height)){
DSSERR("horizontal timing too tight\n");
return -EINVAL;
@@ -2164,7 +2166,7 @@ static int dispc_ovl_calc_scaling_34xx(enum omap_channel channel,
return 0;
}
-static int dispc_ovl_calc_scaling_44xx(enum omap_channel channel,
+static int dispc_ovl_calc_scaling_44xx(enum omap_plane plane,
const struct omap_video_timings *mgr_timings,
u16 width, u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode, bool *five_taps,
@@ -2176,9 +2178,10 @@ static int dispc_ovl_calc_scaling_44xx(enum omap_channel channel,
u16 in_height = DIV_ROUND_UP(height, *decim_y);
const int maxsinglelinewidth =
dss_feat_get_param_max(FEAT_PARAM_LINEWIDTH);
+ unsigned long pclk = dispc_plane_pclk_rate(plane);
+
+ in_width_max = dispc_core_clk_rate() / DIV_ROUND_UP(pclk, out_width);
- in_width_max = dispc_core_clk_rate() /
- DIV_ROUND_UP(dispc_mgr_pclk_rate(channel), out_width);
*decim_x = DIV_ROUND_UP(width, in_width_max);
*decim_x = *decim_x > decim_x_min ? *decim_x : decim_x_min;
@@ -2195,13 +2198,13 @@ static int dispc_ovl_calc_scaling_44xx(enum omap_channel channel,
return -EINVAL;
}
- *core_clk = dispc.feat->calc_core_clk(channel, in_width, in_height,
+ *core_clk = dispc.feat->calc_core_clk(plane, in_width, in_height,
out_width, out_height);
return 0;
}
static int dispc_ovl_calc_scaling(enum omap_plane plane,
- enum omap_overlay_caps caps, enum omap_channel channel,
+ enum omap_overlay_caps caps,
const struct omap_video_timings *mgr_timings,
u16 width, u16 height, u16 out_width, u16 out_height,
enum omap_color_mode color_mode, bool *five_taps,
@@ -2242,9 +2245,9 @@ static int dispc_ovl_calc_scaling(enum omap_plane plane,
if (decim_y > *y_predecim || out_height > height * 8)
return -EINVAL;
- ret = dispc.feat->calc_scaling(channel, mgr_timings, width, height,
- out_width, out_height, color_mode, five_taps, x_predecim,
- y_predecim, &decim_x, &decim_y, pos_x, &core_clk);
+ ret = dispc.feat->calc_scaling(plane, mgr_timings, width, height,
+ out_width, out_height, color_mode, five_taps,
+ x_predecim, y_predecim, &decim_x, &decim_y, pos_x, &core_clk);
if (ret)
return ret;
@@ -2265,12 +2268,11 @@ static int dispc_ovl_calc_scaling(enum omap_plane plane,
}
static int dispc_ovl_setup_common(enum omap_plane plane,
- enum omap_channel channel, enum omap_overlay_caps caps,
- u32 paddr, u32 p_uv_addr, u16 screen_width, int pos_x,
- int pos_y, u16 width, u16 height, u16 out_width, u16 out_height,
- enum omap_color_mode color_mode, u8 rotation, bool mirror,
- u8 zorder, u8 pre_mult_alpha, u8 global_alpha,
- enum omap_dss_rotation_type rotation_type,
+ enum omap_overlay_caps caps, u32 paddr, u32 p_uv_addr,
+ u16 screen_width, int pos_x, int pos_y, u16 width, u16 height,
+ u16 out_width, u16 out_height, enum omap_color_mode color_mode,
+ u8 rotation, bool mirror, u8 zorder, u8 pre_mult_alpha,
+ u8 global_alpha, enum omap_dss_rotation_type rotation_type,
bool replication, const struct omap_video_timings *mgr_timings)
{
bool five_taps = true;
@@ -2309,7 +2311,7 @@ static int dispc_ovl_setup_common(enum omap_plane plane,
if (!dss_feat_color_mode_supported(plane, color_mode))
return -EINVAL;
- r = dispc_ovl_calc_scaling(plane, caps, channel, mgr_timings, in_width,
+ r = dispc_ovl_calc_scaling(plane, caps, mgr_timings, in_width,
in_height, out_width, out_height, color_mode,
&five_taps, &x_predecim, &y_predecim, pos_x,
rotation_type);
@@ -2424,12 +2426,11 @@ int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
oi->pos_y, oi->width, oi->height, oi->out_width, oi->out_height,
oi->color_mode, oi->rotation, oi->mirror, channel, replication);
- r = dispc_ovl_setup_common(plane, channel, ovl->caps, 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, oi->zorder,
- oi->pre_mult_alpha, oi->global_alpha, oi->rotation_type,
- replication, mgr_timings);
+ r = dispc_ovl_setup_common(plane, ovl->caps, 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, oi->zorder, oi->pre_mult_alpha, oi->global_alpha,
+ oi->rotation_type, replication, mgr_timings);
return r;
}
@@ -2989,6 +2990,23 @@ unsigned long dispc_core_clk_rate(void)
return fclk / lcd;
}
+static unsigned long dispc_plane_pclk_rate(enum omap_plane plane)
+{
+ enum omap_channel channel = dispc_ovl_get_channel_out(plane);
+
+ return dispc_mgr_pclk_rate(channel);
+}
+
+static unsigned long dispc_plane_lclk_rate(enum omap_plane plane)
+{
+ enum omap_channel channel = dispc_ovl_get_channel_out(plane);
+
+ if (dss_mgr_is_lcd(channel))
+ return dispc_mgr_lclk_rate(channel);
+ else
+ return dispc_fclk_rate();
+
+}
static void dispc_dump_clocks_channel(struct seq_file *s, enum omap_channel channel)
{
int lcd, pcd;
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-26 23:02:58 +0300