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Commit 13ece4d3 authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

drm/omap: fix DPI clkout index handling 



DPI driver uses a fixed clkout index, 0. This has worked fine as the
first clkout is usually used.

To generalize the code and to support additional clock sources, change
the code to use dss_pll_get_clkout_idx_for_src() to get the clkout
index.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent 331e6078

drivers/gpu/drm/omapdrm/dss/dpi.c

+6 −6
Original line number Diff line number Diff line
@@ -39,8 +39,6 @@ 
#include "dss.h"

#include "dss_features.h"



#define HSDIV_DISPC	0



struct dpi_data {

	struct platform_device *pdev;
@@ -128,6 +126,7 @@ static enum dss_clk_source dpi_get_clk_src(enum omap_channel channel) 


struct dpi_clk_calc_ctx {

	struct dss_pll *pll;

	unsigned clkout_idx;



	/* inputs */
@@ -180,8 +179,8 @@ static bool dpi_calc_hsdiv_cb(int m_dispc, unsigned long dispc, 
	if (m_dispc > 1 && m_dispc % 2 != 0 && ctx->pck_min >= 100000000)

		return false;



	ctx->dsi_cinfo.mX[HSDIV_DISPC] = m_dispc;

	ctx->dsi_cinfo.clkout[HSDIV_DISPC] = dispc;

	ctx->dsi_cinfo.mX[ctx->clkout_idx] = m_dispc;

	ctx->dsi_cinfo.clkout[ctx->clkout_idx] = dispc;



	return dispc_div_calc(dispc, ctx->pck_min, ctx->pck_max,

			dpi_calc_dispc_cb, ctx);
@@ -222,6 +221,7 @@ static bool dpi_dsi_clk_calc(struct dpi_data *dpi, unsigned long pck, 


	memset(ctx, 0, sizeof(*ctx));

	ctx->pll = dpi->pll;

	ctx->clkout_idx = dss_pll_get_clkout_idx_for_src(dpi->clk_src);

	ctx->pck_min = pck - 1000;

	ctx->pck_max = pck + 1000;
@@ -286,7 +286,7 @@ static int dpi_set_dsi_clk(struct dpi_data *dpi, enum omap_channel channel, 


	dpi->mgr_config.clock_info = ctx.dispc_cinfo;



	*fck = ctx.dsi_cinfo.clkout[HSDIV_DISPC];

	*fck = ctx.dsi_cinfo.clkout[ctx.clkout_idx];

	*lck_div = ctx.dispc_cinfo.lck_div;

	*pck_div = ctx.dispc_cinfo.pck_div;
@@ -514,7 +514,7 @@ static int dpi_check_timings(struct omap_dss_device *dssdev, 
		if (!ok)

			return -EINVAL;



		fck = ctx.dsi_cinfo.clkout[HSDIV_DISPC];

		fck = ctx.dsi_cinfo.clkout[ctx.clkout_idx];

	} else {

		ok = dpi_dss_clk_calc(timings->pixelclock, &ctx);

		if (!ok)