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@xxxxxx>
---
drivers/video/omap2/dss/dispc.c | 2 +-
drivers/video/omap2/dss/dss_features.c | 3 +++
drivers/video/omap2/dss/dss_features.h | 1 +
3 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 9f36db7..d447359 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -1716,7 +1716,7 @@ static int dispc_ovl_calc_scaling(enum omap_plane plane,
enum omap_color_mode color_mode, bool *five_taps)
{
struct omap_overlay *ovl = omap_dss_get_overlay(plane);
- const int maxdownscale = cpu_is_omap34xx() ? 4 : 2;
+ const int maxdownscale = dss_feat_get_param_max(FEAT_PARAM_DOWNSCALE);
unsigned long fclk = 0;
if ((ovl->caps & OMAP_DSS_OVL_CAP_SCALE) == 0) {
diff --git a/drivers/video/omap2/dss/dss_features.c b/drivers/video/omap2/dss/dss_features.c
index 0299338..e5e94f4 100644
--- a/drivers/video/omap2/dss/dss_features.c
+++ b/drivers/video/omap2/dss/dss_features.c
@@ -303,6 +303,7 @@ static const struct dss_param_range omap2_dss_param_range[] = {
[FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, 0 },
[FEAT_PARAM_DSIPLL_FINT] = { 0, 0 },
[FEAT_PARAM_DSIPLL_LPDIV] = { 0, 0 },
+ [FEAT_PARAM_DOWNSCALE] = { 1, 2 },
};
static const struct dss_param_range omap3_dss_param_range[] = {
@@ -314,6 +315,7 @@ static const struct dss_param_range omap3_dss_param_range[] = {
[FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 4) - 1 },
[FEAT_PARAM_DSIPLL_FINT] = { 750000, 2100000 },
[FEAT_PARAM_DSIPLL_LPDIV] = { 1, (1 << 13) - 1},
+ [FEAT_PARAM_DOWNSCALE] = { 1, 4 },
};
static const struct dss_param_range omap4_dss_param_range[] = {
@@ -325,6 +327,7 @@ static const struct dss_param_range omap4_dss_param_range[] = {
[FEAT_PARAM_DSIPLL_REGM_DSI] = { 0, (1 << 5) - 1 },
[FEAT_PARAM_DSIPLL_FINT] = { 500000, 2500000 },
[FEAT_PARAM_DSIPLL_LPDIV] = { 0, (1 << 13) - 1 },
+ [FEAT_PARAM_DOWNSCALE] = { 1, 4 },
};
/* OMAP2 DSS Features */
diff --git a/drivers/video/omap2/dss/dss_features.h b/drivers/video/omap2/dss/dss_features.h
index 879f3fb..6a6c05d 100644
--- a/drivers/video/omap2/dss/dss_features.h
+++ b/drivers/video/omap2/dss/dss_features.h
@@ -85,6 +85,7 @@ enum dss_range_param {
FEAT_PARAM_DSIPLL_REGM_DSI,
FEAT_PARAM_DSIPLL_FINT,
FEAT_PARAM_DSIPLL_LPDIV,
+ FEAT_PARAM_DOWNSCALE,
};
/* DSS Feature Functions */
--
1.7.1
--
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