OMAPDSS: FEATURES: Create a range param to get max downscaling
Create a dss_range_param member called FEAT_PARAM_DOWNSCALE to get the maximum downscaling possible on the current platform. Use this in dispc_ovl_calc_scaling(). Signed-off-by: Archit Taneja <archit@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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@ -1692,7 +1692,7 @@ static int dispc_ovl_calc_scaling(enum omap_plane plane,
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enum omap_color_mode color_mode, bool *five_taps)
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{
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struct omap_overlay *ovl = omap_dss_get_overlay(plane);
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const int maxdownscale = cpu_is_omap34xx() ? 4 : 2;
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const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE);
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unsigned long fclk = 0;
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if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
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@ -288,6 +288,7 @@ static const struct dss_param_range omap2_dss_param_range[] = {
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[FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, 0 },
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[FEAT_PARAM_DSIPLL_FINT] = { 0, 0 },
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[FEAT_PARAM_DSIPLL_LPDIV] = { 0, 0 },
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[FEAT_PARAM_DOWNSCALE] = { 1, 2 },
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};
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static const struct dss_param_range omap3_dss_param_range[] = {
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@ -299,6 +300,7 @@ static const struct dss_param_range omap3_dss_param_range[] = {
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[FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 4) - 1 },
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[FEAT_PARAM_DSIPLL_FINT] = { 750000, 2100000 },
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[FEAT_PARAM_DSIPLL_LPDIV] = { 1, (1 << 13) - 1},
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[FEAT_PARAM_DOWNSCALE] = { 1, 4 },
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};
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static const struct dss_param_range omap4_dss_param_range[] = {
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@ -310,6 +312,7 @@ static const struct dss_param_range omap4_dss_param_range[] = {
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[FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 5) - 1 },
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[FEAT_PARAM_DSIPLL_FINT] = { 500000, 2500000 },
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[FEAT_PARAM_DSIPLL_LPDIV] = { 0, (1 << 13) - 1 },
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[FEAT_PARAM_DOWNSCALE] = { 1, 4 },
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};
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/* OMAP2 DSS Features */
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@ -84,6 +84,7 @@ enum dss_range_param {
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FEAT_PARAM_DSIPLL_REGM_DSI,
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FEAT_PARAM_DSIPLL_FINT,
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FEAT_PARAM_DSIPLL_LPDIV,
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FEAT_PARAM_DOWNSCALE,
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};
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/* DSS Feature Functions */
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