diff options
Diffstat (limited to 'gnu/packages/patches/linux-libre-mnt-reform-0001-nwl-dsi-fixup-mode-only-for-LCDIF-input-not-DCSS.patch')
| -rw-r--r-- | gnu/packages/patches/linux-libre-mnt-reform-0001-nwl-dsi-fixup-mode-only-for-LCDIF-input-not-DCSS.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gnu/packages/patches/linux-libre-mnt-reform-0001-nwl-dsi-fixup-mode-only-for-LCDIF-input-not-DCSS.patch b/gnu/packages/patches/linux-libre-mnt-reform-0001-nwl-dsi-fixup-mode-only-for-LCDIF-input-not-DCSS.patch new file mode 100644 index 0000000000..e0ac8080e5 --- /dev/null +++ b/gnu/packages/patches/linux-libre-mnt-reform-0001-nwl-dsi-fixup-mode-only-for-LCDIF-input-not-DCSS.patch @@ -0,0 +1,37 @@ +From e0ab52e9cfe03580140e18aaae15b5127b4e10b3 Mon Sep 17 00:00:00 2001 +From: "Lukas F. Hartmann" <lukas@mntre.com> +Date: Wed, 7 Sep 2022 06:20:37 +0200 +Subject: [PATCH 1/7] nwl-dsi-fixup-mode-only-for-LCDIF-input-not-DCSS + +--- + drivers/gpu/drm/bridge/nwl-dsi.c | 13 ++++++++++--- + 1 file changed, 10 insertions(+), 3 deletions(-) + +diff --git a/drivers/gpu/drm/bridge/nwl-dsi.c b/drivers/gpu/drm/bridge/nwl-dsi.c +index 6dc2a4e..13c5ade 100644 +--- a/drivers/gpu/drm/bridge/nwl-dsi.c ++++ b/drivers/gpu/drm/bridge/nwl-dsi.c +@@ -822,10 +822,17 @@ static int nwl_dsi_bridge_atomic_check(struct drm_bridge *bridge, + struct drm_connector_state *conn_state) + { + struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; ++ struct device_node *remote; ++ struct nwl_dsi *dsi = bridge_to_dsi(bridge); + +- /* At least LCDIF + NWL needs active high sync */ +- adjusted_mode->flags |= (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC); +- adjusted_mode->flags &= ~(DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC); ++ remote = of_graph_get_remote_node(dsi->dev->of_node, 0, ++ NWL_DSI_ENDPOINT_LCDIF); ++ ++ if (remote) { ++ /* At least LCDIF + NWL needs active high sync */ ++ adjusted_mode->flags |= (DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC); ++ adjusted_mode->flags &= ~(DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC); ++ } + + /* + * Do a full modeset if crtc_state->active is changed to be true. +-- +2.37.2 + |