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Commit e4c5ae7f authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

OMAPDSS: DISPC: scaler debug print 



Improve the DISPC debug print for scaling.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent 7059e3d8

drivers/video/fbdev/omap2/dss/dispc.c

+16 −2
Original line number Diff line number Diff line
@@ -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, "