From 64d9cc04ec08d36c2b39f04d4994313d3901a85c Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 11 Nov 2011 19:51:20 +1000 Subject: [PATCH] drm/nvd0/disp: enable hdmi on sor if hdmi monitor present Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nvd0_display.c | 44 ++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c index ceb59802d694..a54f96751e1f 100644 --- a/drivers/gpu/drm/nouveau/nvd0_display.c +++ b/drivers/gpu/drm/nouveau/nvd0_display.c @@ -811,13 +811,57 @@ nvd0_audio_disconnect(struct drm_encoder *encoder) static void nvd0_hdmi_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode) { + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); + struct nouveau_connector *nv_connector; + struct drm_device *dev = encoder->dev; + int head = nv_crtc->index * 0x800; + u32 rekey = 56; /* binary driver, and tegra constant */ + u32 max_ac_packet; + + nv_connector = nouveau_encoder_connector_get(nv_encoder); + if (!drm_detect_hdmi_monitor(nv_connector->edid)) + return; + + max_ac_packet = mode->htotal - mode->hdisplay; + max_ac_packet -= rekey; + max_ac_packet -= 18; /* constant from tegra */ + max_ac_packet /= 32; + + /* AVI InfoFrame */ + nv_mask(dev, 0x616714 + head, 0x00000001, 0x00000000); + nv_wr32(dev, 0x61671c + head, 0x000d0282); + nv_wr32(dev, 0x616720 + head, 0x0000006f); + nv_wr32(dev, 0x616724 + head, 0x00000000); + nv_wr32(dev, 0x616728 + head, 0x00000000); + nv_wr32(dev, 0x61672c + head, 0x00000000); + nv_mask(dev, 0x616714 + head, 0x00000001, 0x00000001); + + /* ??? InfoFrame? */ + nv_mask(dev, 0x6167a4 + head, 0x00000001, 0x00000000); + nv_wr32(dev, 0x6167ac + head, 0x00000010); + nv_mask(dev, 0x6167a4 + head, 0x00000001, 0x00000001); + + /* HDMI_CTRL */ + nv_mask(dev, 0x616798 + head, 0x401f007f, 0x40000000 | rekey | + max_ac_packet << 16); + nvd0_audio_mode_set(encoder, mode); } static void nvd0_hdmi_disconnect(struct drm_encoder *encoder) { + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct nouveau_crtc *nv_crtc = nouveau_crtc(nv_encoder->crtc); + struct drm_device *dev = encoder->dev; + int head = nv_crtc->index * 0x800; + nvd0_audio_disconnect(encoder); + + nv_mask(dev, 0x616798 + head, 0x40000000, 0x00000000); + nv_mask(dev, 0x6167a4 + head, 0x00000001, 0x00000000); + nv_mask(dev, 0x616714 + head, 0x00000001, 0x00000000); } /****************************************************************************** -- 2.20.1