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drm/omap: panel-dsi-cm: add physical size support 

Add support to load physical size information from DT using
the properties defined by the common panel binding.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Sebastian Reichel 2017-07-24 19:33:07 +02:00 committed by Tomi Valkeinen
parent 82fa10d46b
commit d95c5a0e01
1 changed files with 19 additions and 0 deletions
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19
drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
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@ -66,6 +66,9 @@ struct panel_drv_data {
bool use_dsi_backlight; bool use_dsi_backlight;
int width_mm;
int height_mm;
struct omap_dsi_pin_config pin_config; struct omap_dsi_pin_config pin_config;
/* runtime variables */ /* runtime variables */
@ -1163,6 +1166,15 @@ static int dsicm_check_timings(struct omap_dss_device *dssdev,
return ret; return ret;
} }
static void dsicm_get_size(struct omap_dss_device *dssdev,
unsigned int *width, unsigned int *height)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
*width = ddata->width_mm;
*height = ddata->height_mm;
}
static struct omap_dss_driver dsicm_ops = { static struct omap_dss_driver dsicm_ops = {
.connect = dsicm_connect, .connect = dsicm_connect,
.disconnect = dsicm_disconnect, .disconnect = dsicm_disconnect,
@ -1175,6 +1187,7 @@ static struct omap_dss_driver dsicm_ops = {
.get_timings = dsicm_get_timings, .get_timings = dsicm_get_timings,
.check_timings = dsicm_check_timings, .check_timings = dsicm_check_timings,
.get_size = dsicm_get_size,
.enable_te = dsicm_enable_te, .enable_te = dsicm_enable_te,
.get_te = dsicm_get_te, .get_te = dsicm_get_te,
@ -1216,6 +1229,12 @@ static int dsicm_probe_of(struct platform_device *pdev)
"failed to get video timing, using defaults\n"); "failed to get video timing, using defaults\n");
} }
ddata->width_mm = 0;
of_property_read_u32(node, "width-mm", &ddata->width_mm);
ddata->height_mm = 0;
of_property_read_u32(node, "height-mm", &ddata->height_mm);
in = omapdss_of_find_source_for_first_ep(node); in = omapdss_of_find_source_for_first_ep(node);
if (IS_ERR(in)) { if (IS_ERR(in)) {
dev_err(&pdev->dev, "failed to find video source\n"); dev_err(&pdev->dev, "failed to find video source\n");