Am Dienstag, den 03.05.2016, 16:27 +0530 schrieb Archit Taneja:
The LCDC port is the first in the list of the output ports in MDP4. Mention this explicitly in the driver.
Signed-off-by: Archit Taneja architt@codeaurora.org
drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c index f8e0cea..cd129f4 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_kms.c @@ -263,9 +263,13 @@ static struct device_node *mdp4_detect_lcdc_panel(struct drm_device *dev) struct device_node *endpoint, *panel_node; struct device_node *np = dev->dev->of_node;
- endpoint = of_graph_get_next_endpoint(np, NULL);
- /*
* LCDC/LVDS is the first port described in the list of ports in the* MDP4 DT node.*/- endpoint = of_graph_get_endpoint_by_regs(np, 0, -1); if (!endpoint) {
DBG("no endpoint in MDP4 to fetch LVDS panel\n");
DBG("no LVDS panel remote endpoint\n");
Oh nice, I wasn't aware of of_graph_get_endpoint_by_regs(). We should switch imx-drm and exynos to use it, too.
regards Philipp