diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_hdmi.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_hdmi.c b/drivers/gpu/drm/nouveau/nouveau_hdmi.c index 489a2418a227..d8540a64a8d3 100644 --- a/drivers/gpu/drm/nouveau/nouveau_hdmi.c +++ b/drivers/gpu/drm/nouveau/nouveau_hdmi.c @@ -26,6 +26,7 @@ #include "nouveau_drv.h" #include "nouveau_connector.h" #include "nouveau_encoder.h" +#include "nouveau_crtc.h" static bool hdmi_sor(struct drm_encoder *encoder) @@ -36,12 +37,42 @@ hdmi_sor(struct drm_encoder *encoder) return true; } +static inline u32 +hdmi_base(struct drm_encoder *encoder) +{ + struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); + struct nouveau_crtc *nv_crtc = nouveau_crtc(nv_encoder->crtc); + if (!hdmi_sor(encoder)) + return 0x616500 + (nv_crtc->index * 0x800); + return 0x61c500 + (nv_encoder->or * 0x800); +} + +static void +hdmi_wr32(struct drm_encoder *encoder, u32 reg, u32 val) +{ + nv_wr32(encoder->dev, hdmi_base(encoder) + reg, val); +} + +static u32 +hdmi_rd32(struct drm_encoder *encoder, u32 reg) +{ + return nv_rd32(encoder->dev, hdmi_base(encoder) + reg); +} + +static u32 +hdmi_mask(struct drm_encoder *encoder, u32 reg, u32 mask, u32 val) +{ + u32 tmp = hdmi_rd32(encoder, reg); + hdmi_wr32(encoder, reg, (tmp & ~mask) | val); + return tmp; +} + static void nouveau_audio_disconnect(struct drm_encoder *encoder) { struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); struct drm_device *dev = encoder->dev; - int or = nv_encoder->or * 0x800; + u32 or = nv_encoder->or * 0x800; if (hdmi_sor(encoder)) { nv_mask(dev, 0x61c448 + or, 0x00000003, 0x00000000); |