At the moment we have a function to get the number of writeback
pipelines supported. However, the function is used in a wrong way,
causing a wrong pipeline to get configured when trying to use WB. Also,
we only have a single writeback pipeline on any of the DSS versions.
To fix and simplify this, create a 'has_writeback' flag into the dispc
driver, and after checking the flag, use OMAP_DSS_WB pipeline
explicitly when calling the configuration functions.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
drivers/video/fbdev/omap2/dss/dispc.c | 11 +++++++----
drivers/video/fbdev/omap2/dss/dss_features.c | 10 ----------
drivers/video/fbdev/omap2/dss/dss_features.h | 1 -
3 files changed, 7 insertions(+), 15 deletions(-)
diff --git a/drivers/video/fbdev/omap2/dss/dispc.c b/drivers/video/fbdev/omap2/dss/dispc.c
index 0cccff2ffd4e..aa74b3da3718 100644
--- a/drivers/video/fbdev/omap2/dss/dispc.c
+++ b/drivers/video/fbdev/omap2/dss/dispc.c
@@ -102,6 +102,8 @@ struct dispc_features {
/* POL_FREQ has ALIGN bit */
bool supports_sync_align:1;
+
+ bool has_writeback:1;
};
#define DISPC_MAX_NR_FIFOS 5
@@ -710,7 +712,6 @@ static void dispc_setup_color_conv_coef(void)
{
int i;
int num_ovl = dss_feat_get_num_ovls();
- int num_wb = dss_feat_get_num_wbs();
const struct color_conv_coef ctbl_bt601_5_ovl = {
298, 409, 0, 298, -208, -100, 298, 0, 517, 0,
};
@@ -721,8 +722,8 @@ static void dispc_setup_color_conv_coef(void)
for (i = 1; i < num_ovl; i++)
dispc_ovl_write_color_conv_coef(i, &ctbl_bt601_5_ovl);
- for (; i < num_wb; i++)
- dispc_ovl_write_color_conv_coef(i, &ctbl_bt601_5_wb);
+ if (dispc.feat->has_writeback)
+ dispc_ovl_write_color_conv_coef(OMAP_DSS_WB, &ctbl_bt601_5_wb);
}
static void dispc_ovl_set_ba0(enum omap_plane plane, u32 paddr)
@@ -3562,7 +3563,7 @@ static void dispc_dump_regs(struct seq_file *s)
DUMPREG(i, DISPC_OVL_ATTRIBUTES2);
}
- if (dss_feat_get_num_wbs()) {
+ if (dispc.feat->has_writeback) {
i = OMAP_DSS_WB;
DUMPREG(i, DISPC_OVL_BA0);
DUMPREG(i, DISPC_OVL_BA1);
@@ -3892,6 +3893,7 @@ static const struct dispc_features omap44xx_dispc_feats = {
.gfx_fifo_workaround = true,
.set_max_preload = true,
.supports_sync_align = true,
+ .has_writeback = true,
};
static const struct dispc_features omap54xx_dispc_feats = {
@@ -3914,6 +3916,7 @@ static const struct dispc_features omap54xx_dispc_feats = {
.mstandby_workaround = true,
.set_max_preload = true,
.supports_sync_align = true,
+ .has_writeback = true,
};
static int dispc_init_features(struct platform_device *pdev)
diff --git a/drivers/video/fbdev/omap2/dss/dss_features.c b/drivers/video/fbdev/omap2/dss/dss_features.c
index 28fe9a3ca1fa..48951c5cb352 100644
--- a/drivers/video/fbdev/omap2/dss/dss_features.c
+++ b/drivers/video/fbdev/omap2/dss/dss_features.c
@@ -46,7 +46,6 @@ struct omap_dss_features {
const int num_mgrs;
const int num_ovls;
- const int num_wbs;
const enum omap_display_type *supported_displays;
const enum omap_dss_output_id *supported_outputs;
const enum omap_color_mode *supported_color_modes;
@@ -735,7 +734,6 @@ static const struct omap_dss_features omap4430_es1_0_dss_features = {
.num_mgrs = 3,
.num_ovls = 4,
- .num_wbs = 1,
.supported_displays = omap4_dss_supported_displays,
.supported_outputs = omap4_dss_supported_outputs,
.supported_color_modes = omap4_dss_supported_color_modes,
@@ -757,7 +755,6 @@ static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
.num_mgrs = 3,
.num_ovls = 4,
- .num_wbs = 1,
.supported_displays = omap4_dss_supported_displays,
.supported_outputs = omap4_dss_supported_outputs,
.supported_color_modes = omap4_dss_supported_color_modes,
@@ -779,7 +776,6 @@ static const struct omap_dss_features omap4_dss_features = {
.num_mgrs = 3,
.num_ovls = 4,
- .num_wbs = 1,
.supported_displays = omap4_dss_supported_displays,
.supported_outputs = omap4_dss_supported_outputs,
.supported_color_modes = omap4_dss_supported_color_modes,
@@ -801,7 +797,6 @@ static const struct omap_dss_features omap5_dss_features = {
.num_mgrs = 4,
.num_ovls = 4,
- .num_wbs = 1,
.supported_displays = omap5_dss_supported_displays,
.supported_outputs = omap5_dss_supported_outputs,
.supported_color_modes = omap4_dss_supported_color_modes,
@@ -826,11 +821,6 @@ int dss_feat_get_num_ovls(void)
}
EXPORT_SYMBOL(dss_feat_get_num_ovls);
-int dss_feat_get_num_wbs(void)
-{
- return omap_current_dss_features->num_wbs;
-}
-
unsigned long dss_feat_get_param_min(enum dss_range_param param)
{
return omap_current_dss_features->dss_params[param].min;
diff --git a/drivers/video/fbdev/omap2/dss/dss_features.h b/drivers/video/fbdev/omap2/dss/dss_features.h
index 100f7a2d0638..0e75927339c7 100644
--- a/drivers/video/fbdev/omap2/dss/dss_features.h
+++ b/drivers/video/fbdev/omap2/dss/dss_features.h
@@ -86,7 +86,6 @@ enum dss_range_param {
};
/* DSS Feature Functions */
-int dss_feat_get_num_wbs(void);
unsigned long dss_feat_get_param_min(enum dss_range_param param);
unsigned long dss_feat_get_param_max(enum dss_range_param param);
enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
--
2.5.0
--
To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
