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OMAPDSS: DISPC: scaler debug print

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Improve the DISPC debug print for scaling.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2015-04-10 12:48:39 +03:00
parent 7059e3d8d8
commit e4c5ae7fdf
1 changed files with 16 additions and 2 deletions
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18
drivers/video/fbdev/omap2/dss/dispc.c
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@ -2418,6 +2418,9 @@ static int dispc_ovl_calc_scaling_44xx(unsigned long pclk, unsigned long lclk,
return 0;
}
#define DIV_FRAC(dividend, divisor) \
((dividend) * 100 / (divisor) - ((dividend) / (divisor) * 100))
static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
enum omap_overlay_caps caps,
const struct omap_video_timings *mgr_timings,
@ -2477,8 +2480,19 @@ static int dispc_ovl_calc_scaling(unsigned long pclk, unsigned long lclk,
if (ret)
return ret;
DSSDBG("required core clk rate = %lu Hz\n", core_clk);
DSSDBG("current core clk rate = %lu Hz\n", dispc_core_clk_rate());
DSSDBG("%dx%d -> %dx%d (%d.%02d x %d.%02d), decim %dx%d %dx%d (%d.%02d x %d.%02d), taps %d, req clk %lu, cur clk %lu\n",
width, height,
out_width, out_height,
out_width / width, DIV_FRAC(out_width, width),
out_height / height, DIV_FRAC(out_height, height),
decim_x, decim_y,
width / decim_x, height / decim_y,
out_width / (width / decim_x), DIV_FRAC(out_width, width / decim_x),
out_height / (height / decim_y), DIV_FRAC(out_height, height / decim_y),
*five_taps ? 5 : 3,
core_clk, dispc_core_clk_rate());
if (!core_clk || core_clk > dispc_core_clk_rate()) {
DSSERR("failed to set up scaling, "