diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index c3019d95618d..705599ad3166 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -38,6 +38,7 @@ #include #include "dss.h" +#include "dss_features.h" /*#define VERBOSE_IRQ*/ #define DSI_CATCH_MISSING_TE @@ -856,10 +857,12 @@ int dsi_pll_calc_clock_div_pck(bool is_tft, unsigned long req_pck, struct dispc_clock_info best_dispc; int min_fck_per_pck; int match = 0; - unsigned long dss_clk_fck2; + unsigned long dss_clk_fck2, max_dss_fck; dss_clk_fck2 = dss_clk_get_rate(DSS_CLK_SYSCK); + max_dss_fck = dss_feat_get_max_dss_fck(); + if (req_pck == dsi.cache_req_pck && dsi.cache_cinfo.clkin == dss_clk_fck2) { DSSDBG("DSI clock info found from cache\n"); @@ -872,7 +875,7 @@ int dsi_pll_calc_clock_div_pck(bool is_tft, unsigned long req_pck, min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK; if (min_fck_per_pck && - req_pck * min_fck_per_pck > DISPC_MAX_FCK) { + req_pck * min_fck_per_pck > max_dss_fck) { DSSERR("Requested pixel clock not possible with the current " "OMAP2_DSS_MIN_FCK_PER_PCK setting. Turning " "the constraint off.\n"); @@ -925,7 +928,7 @@ retry: if (cur.dsi1_pll_fclk < req_pck) break; - if (cur.dsi1_pll_fclk > DISPC_MAX_FCK) + if (cur.dsi1_pll_fclk > max_dss_fck) continue; if (min_fck_per_pck && diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index 0cf5f8bd1c8a..01be82a4f42f 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -387,7 +387,7 @@ int dss_calc_clock_div(bool is_tft, unsigned long req_pck, struct dss_clock_info best_dss; struct dispc_clock_info best_dispc; - unsigned long fck; + unsigned long fck, max_dss_fck; u16 fck_div; @@ -396,6 +396,8 @@ int dss_calc_clock_div(bool is_tft, unsigned long req_pck, prate = dss_get_dpll4_rate(); + max_dss_fck = dss_feat_get_max_dss_fck(); + fck = dss_clk_get_rate(DSS_CLK_FCK); if (req_pck == dss.cache_req_pck && ((cpu_is_omap34xx() && prate == dss.cache_prate) || @@ -409,7 +411,7 @@ int dss_calc_clock_div(bool is_tft, unsigned long req_pck, min_fck_per_pck = CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK; if (min_fck_per_pck && - req_pck * min_fck_per_pck > DISPC_MAX_FCK) { + req_pck * min_fck_per_pck > max_dss_fck) { DSSERR("Requested pixel clock not possible with the current " "OMAP2_DSS_MIN_FCK_PER_PCK setting. Turning " "the constraint off.\n"); @@ -445,7 +447,7 @@ retry: else fck = prate / fck_div * 2; - if (fck > DISPC_MAX_FCK) + if (fck > max_dss_fck) continue; if (min_fck_per_pck && diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h index 4b02e079f20e..7fe32d1647f9 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h @@ -97,8 +97,6 @@ extern unsigned int dss_debug; #define FLD_MOD(orig, val, start, end) \ (((orig) & ~FLD_MASK(start, end)) | FLD_VAL(val, start, end)) -#define DISPC_MAX_FCK 173000000 - enum omap_burst_size { OMAP_DSS_BURST_4x32 = 0, OMAP_DSS_BURST_8x32 = 1, diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c index 679be14b73a8..3ebe0d91afd2 100644 --- a/drivers/video/omap2/dss/dss_features.c +++ b/drivers/video/omap2/dss/dss_features.c @@ -41,6 +41,7 @@ struct omap_dss_features { const int num_mgrs; const int num_ovls; + const unsigned long max_dss_fck; const enum omap_display_type *supported_displays; const enum omap_color_mode *supported_color_modes; }; @@ -168,6 +169,7 @@ static struct omap_dss_features omap2_dss_features = { .num_mgrs = 2, .num_ovls = 3, + .max_dss_fck = 173000000, .supported_displays = omap2_dss_supported_displays, .supported_color_modes = omap2_dss_supported_color_modes, }; @@ -185,6 +187,7 @@ static struct omap_dss_features omap3430_dss_features = { .num_mgrs = 2, .num_ovls = 3, + .max_dss_fck = 173000000, .supported_displays = omap3430_dss_supported_displays, .supported_color_modes = omap3_dss_supported_color_modes, }; @@ -202,6 +205,7 @@ static struct omap_dss_features omap3630_dss_features = { .num_mgrs = 2, .num_ovls = 3, + .max_dss_fck = 173000000, .supported_displays = omap3630_dss_supported_displays, .supported_color_modes = omap3_dss_supported_color_modes, }; @@ -217,6 +221,7 @@ static struct omap_dss_features omap4_dss_features = { .num_mgrs = 3, .num_ovls = 3, + .max_dss_fck = 186000000, .supported_displays = omap4_dss_supported_displays, .supported_color_modes = omap3_dss_supported_color_modes, }; @@ -232,6 +237,12 @@ int dss_feat_get_num_ovls(void) return omap_current_dss_features->num_ovls; } +/* Max supported DSS FCK in Hz */ +unsigned long dss_feat_get_max_dss_fck(void) +{ + return omap_current_dss_features->max_dss_fck; +} + enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel) { return omap_current_dss_features->supported_displays[channel]; diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h index b3f81415507c..18ab19515817 100644 --- a/drivers/video/omap2/dss/dss_features.h +++ b/drivers/video/omap2/dss/dss_features.h @@ -52,6 +52,7 @@ enum dss_feat_reg_field { /* DSS Feature Functions */ int dss_feat_get_num_mgrs(void); int dss_feat_get_num_ovls(void); +unsigned long dss_feat_get_max_dss_fck(void); enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel); enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane); bool dss_feat_color_mode_supported(enum omap_plane plane,