OMAP2PLUS: DSS2: FEATURES: Function to Provide the max fck supported
The maximum supported frequency for DSS has increased from 173 to 186 Mhz on
OMAP4.
Introduce a dss feature function to get the max_fck to replace DISPC_MAX_FCK
macro.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 0cf5f8b..01be82a 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -387,7 +387,7 @@
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 @@
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 @@
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 @@
else
fck = prate / fck_div * 2;
- if (fck > DISPC_MAX_FCK)
+ if (fck > max_dss_fck)
continue;
if (min_fck_per_pck &&