[PATCH] omapfb: Remove unused writeback code
Tomi Valkeinen
tomi.valkeinen at ti.com
Fri Mar 13 12:24:10 UTC 2020
Remove unused writeback code. This code will never be used, as omapfb is
being deprecated.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ti.com>
---
drivers/video/fbdev/omap2/omapfb/dss/dispc.c | 114 -------------------
drivers/video/fbdev/omap2/omapfb/dss/dss.h | 20 ----
2 files changed, 134 deletions(-)
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
index ce37da85cc45..4a16798b2ecd 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
@@ -557,11 +557,6 @@ u32 dispc_mgr_get_sync_lost_irq(enum omap_channel channel)
}
EXPORT_SYMBOL(dispc_mgr_get_sync_lost_irq);
-u32 dispc_wb_get_framedone_irq(void)
-{
- return DISPC_IRQ_FRAMEDONEWB;
-}
-
bool dispc_mgr_go_busy(enum omap_channel channel)
{
return mgr_fld_read(channel, DISPC_MGR_FLD_GO) == 1;
@@ -579,30 +574,6 @@ void dispc_mgr_go(enum omap_channel channel)
}
EXPORT_SYMBOL(dispc_mgr_go);
-bool dispc_wb_go_busy(void)
-{
- return REG_GET(DISPC_CONTROL2, 6, 6) == 1;
-}
-
-void dispc_wb_go(void)
-{
- enum omap_plane plane = OMAP_DSS_WB;
- bool enable, go;
-
- enable = REG_GET(DISPC_OVL_ATTRIBUTES(plane), 0, 0) == 1;
-
- if (!enable)
- return;
-
- go = REG_GET(DISPC_CONTROL2, 6, 6) == 1;
- if (go) {
- DSSERR("GO bit not down for WB\n");
- return;
- }
-
- REG_FLD_MOD(DISPC_CONTROL2, 1, 6, 6);
-}
-
static void dispc_ovl_write_firh_reg(enum omap_plane plane, int reg, u32 value)
{
dispc_write_reg(DISPC_OVL_FIR_COEF_H(plane, reg), value);
@@ -1028,13 +999,6 @@ static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane)
}
}
-void dispc_wb_set_channel_in(enum dss_writeback_channel channel)
-{
- enum omap_plane plane = OMAP_DSS_WB;
-
- REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), channel, 18, 16);
-}
-
static void dispc_ovl_set_burst_size(enum omap_plane plane,
enum omap_burst_size burst_size)
{
@@ -2805,74 +2769,6 @@ int dispc_ovl_setup(enum omap_plane plane, const struct omap_overlay_info *oi,
}
EXPORT_SYMBOL(dispc_ovl_setup);
-int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
- bool mem_to_mem, const struct omap_video_timings *mgr_timings)
-{
- int r;
- u32 l;
- enum omap_plane plane = OMAP_DSS_WB;
- const int pos_x = 0, pos_y = 0;
- const u8 zorder = 0, global_alpha = 0;
- const bool replication = false;
- bool truncation;
- int in_width = mgr_timings->x_res;
- int in_height = mgr_timings->y_res;
- enum omap_overlay_caps caps =
- OMAP_DSS_OVL_CAP_SCALE | OMAP_DSS_OVL_CAP_PRE_MULT_ALPHA;
-
- DSSDBG("dispc_wb_setup, pa %x, pa_uv %x, %d,%d -> %dx%d, cmode %x, "
- "rot %d, mir %d\n", wi->paddr, wi->p_uv_addr, in_width,
- in_height, wi->width, wi->height, wi->color_mode, wi->rotation,
- wi->mirror);
-
- r = dispc_ovl_setup_common(plane, caps, wi->paddr, wi->p_uv_addr,
- wi->buf_width, pos_x, pos_y, in_width, in_height, wi->width,
- wi->height, wi->color_mode, wi->rotation, wi->mirror, zorder,
- wi->pre_mult_alpha, global_alpha, wi->rotation_type,
- replication, mgr_timings, mem_to_mem);
-
- switch (wi->color_mode) {
- case OMAP_DSS_COLOR_RGB16:
- case OMAP_DSS_COLOR_RGB24P:
- case OMAP_DSS_COLOR_ARGB16:
- case OMAP_DSS_COLOR_RGBA16:
- case OMAP_DSS_COLOR_RGB12U:
- case OMAP_DSS_COLOR_ARGB16_1555:
- case OMAP_DSS_COLOR_XRGB16_1555:
- case OMAP_DSS_COLOR_RGBX16:
- truncation = true;
- break;
- default:
- truncation = false;
- break;
- }
-
- /* setup extra DISPC_WB_ATTRIBUTES */
- l = dispc_read_reg(DISPC_OVL_ATTRIBUTES(plane));
- l = FLD_MOD(l, truncation, 10, 10); /* TRUNCATIONENABLE */
- l = FLD_MOD(l, mem_to_mem, 19, 19); /* WRITEBACKMODE */
- if (mem_to_mem)
- l = FLD_MOD(l, 1, 26, 24); /* CAPTUREMODE */
- else
- l = FLD_MOD(l, 0, 26, 24); /* CAPTUREMODE */
- dispc_write_reg(DISPC_OVL_ATTRIBUTES(plane), l);
-
- if (mem_to_mem) {
- /* WBDELAYCOUNT */
- REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), 0, 7, 0);
- } else {
- int wbdelay;
-
- wbdelay = min(mgr_timings->vfp + mgr_timings->vsw +
- mgr_timings->vbp, 255);
-
- /* WBDELAYCOUNT */
- REG_FLD_MOD(DISPC_OVL_ATTRIBUTES2(plane), wbdelay, 7, 0);
- }
-
- return r;
-}
-
int dispc_ovl_enable(enum omap_plane plane, bool enable)
{
DSSDBG("dispc_enable_plane %d, %d\n", plane, enable);
@@ -2903,16 +2799,6 @@ bool dispc_mgr_is_enabled(enum omap_channel channel)
}
EXPORT_SYMBOL(dispc_mgr_is_enabled);
-void dispc_wb_enable(bool enable)
-{
- dispc_ovl_enable(OMAP_DSS_WB, enable);
-}
-
-bool dispc_wb_is_enabled(void)
-{
- return dispc_ovl_enabled(OMAP_DSS_WB);
-}
-
static void dispc_lcd_enable_signal_polarity(bool act_high)
{
if (!dss_has_feature(FEAT_LCDENABLEPOL))
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss.h b/drivers/video/fbdev/omap2/omapfb/dss/dss.h
index a2269008590f..21cfcbf74a6d 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dss.h
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dss.h
@@ -89,17 +89,6 @@ enum dss_dsi_content_type {
DSS_DSI_CONTENT_GENERIC,
};
-enum dss_writeback_channel {
- DSS_WB_LCD1_MGR = 0,
- DSS_WB_LCD2_MGR = 1,
- DSS_WB_TV_MGR = 2,
- DSS_WB_OVL0 = 3,
- DSS_WB_OVL1 = 4,
- DSS_WB_OVL2 = 5,
- DSS_WB_OVL3 = 6,
- DSS_WB_LCD3_MGR = 7,
-};
-
enum dss_pll_id {
DSS_PLL_DSI1,
DSS_PLL_DSI2,
@@ -403,15 +392,6 @@ int dispc_mgr_get_clock_div(enum omap_channel channel,
struct dispc_clock_info *cinfo);
void dispc_set_tv_pclk(unsigned long pclk);
-u32 dispc_wb_get_framedone_irq(void);
-bool dispc_wb_go_busy(void);
-void dispc_wb_go(void);
-void dispc_wb_enable(bool enable);
-bool dispc_wb_is_enabled(void);
-void dispc_wb_set_channel_in(enum dss_writeback_channel channel);
-int dispc_wb_setup(const struct omap_dss_writeback_info *wi,
- bool mem_to_mem, const struct omap_video_timings *timings);
-
u32 dispc_read_irqstatus(void);
void dispc_clear_irqstatus(u32 mask);
u32 dispc_read_irqenable(void);
--
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