1 files changed, 11 insertions, 179 deletions

diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index c951a75e7021..bd0ff1d64497 100644
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -3648,161 +3648,6 @@ static void dsi_proto_timings(struct omap_dss_device *dssdev)
                         enter_hs_mode_lat, exit_hs_mode_lat);
 }
 
-
-#define DSI_DECL_VARS \
-        int __dsi_cb = 0; u32 __dsi_cv = 0;
-
-#define DSI_FLUSH(dsidev, ch) \
-        if (__dsi_cb > 0) { \
-                /*DSSDBG("sending long packet %#010x\n", __dsi_cv);*/ \
-                dsi_write_reg(dsidev, DSI_VC_LONG_PACKET_PAYLOAD(ch), __dsi_cv); \
-                __dsi_cb = __dsi_cv = 0; \
-        }
-
-#define DSI_PUSH(dsidev, ch, data) \
-        do { \
-                __dsi_cv |= (data) << (__dsi_cb * 8); \
-                /*DSSDBG("cv = %#010x, cb = %d\n", __dsi_cv, __dsi_cb);*/ \
-                if (++__dsi_cb > 3) \
-                        DSI_FLUSH(dsidev, ch); \
-        } while (0)
-
-static int dsi_update_screen_l4(struct omap_dss_device *dssdev,
-                        int x, int y, int w, int h)
-{
-        /* Note: supports only 24bit colors in 32bit container */
-        struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev);
-        struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
-        int first = 1;
-        int fifo_stalls = 0;
-        int max_dsi_packet_size;
-        int max_data_per_packet;
-        int max_pixels_per_packet;
-        int pixels_left;
-        int bytespp = dssdev->ctrl.pixel_size / 8;
-        int scr_width;
-        u32 __iomem *data;
-        int start_offset;
-        int horiz_inc;
-        int current_x;
-        struct omap_overlay *ovl;
-
-        debug_irq = 0;
-
-        DSSDBG("dsi_update_screen_l4 (%d,%d %dx%d)\n",
-                        x, y, w, h);
-
-        ovl = dssdev->manager->overlays[0];
-
-        if (ovl->info.color_mode != OMAP_DSS_COLOR_RGB24U)
-                return -EINVAL;
-
-        if (dssdev->ctrl.pixel_size != 24)
-                return -EINVAL;
-
-        scr_width = ovl->info.screen_width;
-        data = ovl->info.vaddr;
-
-        start_offset = scr_width * y + x;
-        horiz_inc = scr_width - w;
-        current_x = x;
-
-        /* We need header(4) + DCSCMD(1) + pixels(numpix*bytespp) bytes
-         * in fifo */
-
-        /* When using CPU, max long packet size is TX buffer size */
-        max_dsi_packet_size = dsi->vc[0].fifo_size * 32 * 4;
-
-        /* we seem to get better perf if we divide the tx fifo to half,
-           and while the other half is being sent, we fill the other half
-           max_dsi_packet_size /= 2; */
-
-        max_data_per_packet = max_dsi_packet_size - 4 - 1;
-
-        max_pixels_per_packet = max_data_per_packet / bytespp;
-
-        DSSDBG("max_pixels_per_packet %d\n", max_pixels_per_packet);
-
-        pixels_left = w * h;
-
-        DSSDBG("total pixels %d\n", pixels_left);
-
-        data += start_offset;
-
-        while (pixels_left > 0) {
-                /* 0x2c = write_memory_start */
-                /* 0x3c = write_memory_continue */
-                u8 dcs_cmd = first ? 0x2c : 0x3c;
-                int pixels;
-                DSI_DECL_VARS;
-                first = 0;
-
-#if 1
-                /* using fifo not empty */
-                /* TX_FIFO_NOT_EMPTY */
-                while (FLD_GET(dsi_read_reg(dsidev, DSI_VC_CTRL(0)), 5, 5)) {
-                        fifo_stalls++;
-                        if (fifo_stalls > 0xfffff) {
-                                DSSERR("fifo stalls overflow, pixels left %d\n",
-                                                pixels_left);
-                                dsi_if_enable(dsidev, 0);
-                                return -EIO;
-                        }
-                        udelay(1);
-                }
-#elif 1
-                /* using fifo emptiness */
-                while ((REG_GET(dsidev, DSI_TX_FIFO_VC_EMPTINESS, 7, 0)+1)*4 <
-                                max_dsi_packet_size) {
-                        fifo_stalls++;
-                        if (fifo_stalls > 0xfffff) {
-                                DSSERR("fifo stalls overflow, pixels left %d\n",
-                                               pixels_left);
-                                dsi_if_enable(dsidev, 0);
-                                return -EIO;
-                        }
-                }
-#else
-                while ((REG_GET(dsidev, DSI_TX_FIFO_VC_EMPTINESS,
-                                7, 0) + 1) * 4 == 0) {
-                        fifo_stalls++;
-                        if (fifo_stalls > 0xfffff) {
-                                DSSERR("fifo stalls overflow, pixels left %d\n",
-                                               pixels_left);
-                                dsi_if_enable(dsidev, 0);
-                                return -EIO;
-                        }
-                }
-#endif
-                pixels = min(max_pixels_per_packet, pixels_left);
-
-                pixels_left -= pixels;
-
-                dsi_vc_write_long_header(dsidev, 0, DSI_DT_DCS_LONG_WRITE,
-                                1 + pixels * bytespp, 0);
-
-                DSI_PUSH(dsidev, 0, dcs_cmd);
-
-                while (pixels-- > 0) {
-                        u32 pix = __raw_readl(data++);
-
-                        DSI_PUSH(dsidev, 0, (pix >> 16) & 0xff);
-                        DSI_PUSH(dsidev, 0, (pix >> 8) & 0xff);
-                        DSI_PUSH(dsidev, 0, (pix >> 0) & 0xff);
-
-                        current_x++;
-                        if (current_x == x+w) {
-                                current_x = x;
-                                data += horiz_inc;
-                        }
-                }
-
-                DSI_FLUSH(dsidev, 0);
-        }
-
-        return 0;
-}
-
 static void dsi_update_screen_dispc(struct omap_dss_device *dssdev,
                 u16 x, u16 y, u16 w, u16 h)
 {
@@ -3970,11 +3815,9 @@ int omap_dsi_prepare_update(struct omap_dss_device *dssdev,
 
         dsi_perf_mark_setup(dsidev);
 
-        if (dssdev->manager->caps & OMAP_DSS_OVL_MGR_CAP_DISPC) {
-                dss_setup_partial_planes(dssdev, x, y, w, h,
-                                enlarge_update_area);
-                dispc_set_lcd_size(dssdev->manager->id, *w, *h);
-        }
+        dss_setup_partial_planes(dssdev, x, y, w, h,
+                        enlarge_update_area);
+        dispc_set_lcd_size(dssdev->manager->id, *w, *h);
 
         return 0;
 }
@@ -3996,27 +3839,16 @@ int omap_dsi_update(struct omap_dss_device *dssdev,
          * see rather obscure HW error happening, as DSS halts. */
         BUG_ON(x % 2 == 1);
 
-        if (dssdev->manager->caps & OMAP_DSS_OVL_MGR_CAP_DISPC) {
-                dsi->framedone_callback = callback;
-                dsi->framedone_data = data;
-
-                dsi->update_region.x = x;
-                dsi->update_region.y = y;
-                dsi->update_region.w = w;
-                dsi->update_region.h = h;
-                dsi->update_region.device = dssdev;
-
-                dsi_update_screen_dispc(dssdev, x, y, w, h);
-        } else {
-                int r;
+        dsi->framedone_callback = callback;
+        dsi->framedone_data = data;
 
-                r = dsi_update_screen_l4(dssdev, x, y, w, h);
-                if (r)
-                        return r;
+        dsi->update_region.x = x;
+        dsi->update_region.y = y;
+        dsi->update_region.w = w;
+        dsi->update_region.h = h;
+        dsi->update_region.device = dssdev;
 
-                dsi_perf_show(dsidev, "L4");
-                callback(0, data);
-        }
+        dsi_update_screen_dispc(dssdev, x, y, w, h);
 
         return 0;
 }