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| author |   Tomi Valkeinen <tomi.valkeinen@nokia.com> | 2010-01-08 16:56:44 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@nokia.com> | 2010-02-24 14:31:27 +0200 |
| commit | c75d9464c1fa315796e78468bfaf32f2ce676fed (patch) | |
| tree | 2f89e91c4dbdae16996ac3c8872aa43902ff7101 /drivers/video/omap2/displays | |
| parent | OMAP: DSS2: move run_test() (diff) | |
| download | linux-dev-c75d9464c1fa315796e78468bfaf32f2ce676fed.tar.xz linux-dev-c75d9464c1fa315796e78468bfaf32f2ce676fed.zip | |
OMAP: DSS2: move memory_read()
Move memory_read() from omap_dss_device to omap_dss_driver.
This is part of a larger patch-set, which moves the control from omapdss
driver to the display driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Diffstat (limited to 'drivers/video/omap2/displays')
| -rw-r--r-- | drivers/video/omap2/displays/panel-taal.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c index e6d0954f459f..5f78d3851d91 100644 --- a/drivers/video/omap2/displays/panel-taal.c +++ b/drivers/video/omap2/displays/panel-taal.c @@ -847,6 +847,10 @@ static int taal_memory_read(struct omap_dss_device *dssdev, int first = 1; int plen; unsigned buf_used = 0; + struct taal_data *td = dev_get_drvdata(&dssdev->dev); + + if (!td->enabled) + return -ENODEV; if (size < w * h * 3) return -ENOMEM; @@ -855,6 +859,8 @@ static int taal_memory_read(struct omap_dss_device *dssdev, dssdev->panel.timings.x_res * dssdev->panel.timings.y_res * 3); + dsi_bus_lock(); + /* plen 1 or 2 goes into short packet. until checksum error is fixed, * use short packets. plen 32 works, but bigger packets seem to cause * an error. */ @@ -863,11 +869,11 @@ static int taal_memory_read(struct omap_dss_device *dssdev, else plen = 2; - taal_setup_update(dssdev, x, y, w, h); + taal_set_update_window(x, y, w, h); r = dsi_vc_set_max_rx_packet_size(TCH, plen); if (r) - return r; + goto err0; while (buf_used < size) { u8 dcs_cmd = first ? 0x2e : 0x3e; @@ -900,7 +906,8 @@ static int taal_memory_read(struct omap_dss_device *dssdev, err: dsi_vc_set_max_rx_packet_size(TCH, 1); - +err0: + dsi_bus_unlock(); return r; } |