diff options
Diffstat (limited to 'drivers/video/fbdev')
| -rw-r--r-- | drivers/video/fbdev/omap2/dss/dispc.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/video/fbdev/omap2/dss/dispc.c b/drivers/video/fbdev/omap2/dss/dispc.c index 646d94a71a79..f8c9115cdb4b 100644 --- a/drivers/video/fbdev/omap2/dss/dispc.c +++ b/drivers/video/fbdev/omap2/dss/dispc.c @@ -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, " |