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OMAPDSS: FEAT: Add FIFO_MERGE feature

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Add feature flag for fifo merge. OMAP2 doesn't contain fifo merge, later
OMAPs do.

dispc_enable_fifomerge() checks for the flag when called, and gives a
WARN if fifo merge is being enabled when it is not supported.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Tomi Valkeinen 2012-01-13 13:24:04 +02:00
parent dcd6c92267
commit e6b0f88452
3 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/video/omap2/dss/dispc.c
View File

@ -1054,6 +1054,11 @@ void dispc_ovl_set_fifo_threshold(enum omap_plane plane, u32 low, u32 high)
void dispc_enable_fifomerge(bool enable)
{
if (!dss_has_feature(FEAT_FIFO_MERGE)) {
WARN_ON(enable);
return;
}
DSSDBG("FIFO merge %s\n", enable ? "enabled" : "disabled");
REG_FLD_MOD(DISPC_CONFIG, enable ? 1 : 0, 14, 14);
}

9
drivers/video/omap2/dss/dss_features.c
View File

@ -370,7 +370,7 @@ static const struct omap_dss_features omap3430_dss_features = {
FEAT_LINEBUFFERSPLIT | FEAT_RESIZECONF |
FEAT_DSI_PLL_FREQSEL | FEAT_DSI_REVERSE_TXCLKESC |
FEAT_VENC_REQUIRES_TV_DAC_CLK | FEAT_CPR | FEAT_PRELOAD |
FEAT_FIR_COEF_V | FEAT_ALPHA_FIXED_ZORDER,
FEAT_FIR_COEF_V | FEAT_ALPHA_FIXED_ZORDER | FEAT_FIFO_MERGE,
.num_mgrs = 2,
.num_ovls = 3,
@ -394,7 +394,7 @@ static const struct omap_dss_features omap3630_dss_features = {
FEAT_ROWREPEATENABLE | FEAT_LINEBUFFERSPLIT |
FEAT_RESIZECONF | FEAT_DSI_PLL_PWR_BUG |
FEAT_DSI_PLL_FREQSEL | FEAT_CPR | FEAT_PRELOAD |
FEAT_FIR_COEF_V | FEAT_ALPHA_FIXED_ZORDER,
FEAT_FIR_COEF_V | FEAT_ALPHA_FIXED_ZORDER | FEAT_FIFO_MERGE,
.num_mgrs = 2,
.num_ovls = 3,
@ -419,7 +419,7 @@ static const struct omap_dss_features omap4430_es1_0_dss_features = {
FEAT_DSI_DCS_CMD_CONFIG_VC | FEAT_DSI_VC_OCP_WIDTH |
FEAT_DSI_GNQ | FEAT_HANDLE_UV_SEPARATE | FEAT_ATTR2 |
FEAT_CPR | FEAT_PRELOAD | FEAT_FIR_COEF_V |
FEAT_ALPHA_FREE_ZORDER,
FEAT_ALPHA_FREE_ZORDER | FEAT_FIFO_MERGE,
.num_mgrs = 3,
.num_ovls = 4,
@ -443,7 +443,8 @@ static const struct omap_dss_features omap4_dss_features = {
FEAT_DSI_DCS_CMD_CONFIG_VC | FEAT_DSI_VC_OCP_WIDTH |
FEAT_DSI_GNQ | FEAT_HDMI_CTS_SWMODE |
FEAT_HANDLE_UV_SEPARATE | FEAT_ATTR2 | FEAT_CPR |
FEAT_PRELOAD | FEAT_FIR_COEF_V | FEAT_ALPHA_FREE_ZORDER,
FEAT_PRELOAD | FEAT_FIR_COEF_V | FEAT_ALPHA_FREE_ZORDER |
FEAT_FIFO_MERGE,
.num_mgrs = 3,
.num_ovls = 4,

1
drivers/video/omap2/dss/dss_features.h
View File

@ -58,6 +58,7 @@ enum dss_feat_id {
FEAT_FIR_COEF_V = 1 << 25,
FEAT_ALPHA_FIXED_ZORDER = 1 << 26,
FEAT_ALPHA_FREE_ZORDER = 1 << 27,
FEAT_FIFO_MERGE = 1 << 28,
};
/* DSS register field id */