drm/nouveau/hdmi: add hdmi register accessors to handle hdmi block move

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_hdmi.c b/drivers/gpu/drm/nouveau/nouveau_hdmi.c
index 489a241..d8540a6 100644 (file)
--- 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);

diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c
index 2a638ae..da603b1 100644 (file)
--- a/drivers/gpu/drm/nouveau/nv50_sor.c
+++ b/drivers/gpu/drm/nouveau/nv50_sor.c
@@ -195,6 +195,7 @@ nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
 
        NV_DEBUG_KMS(dev, "or %d type %d -> crtc %d\n",
                     nv_encoder->or, nv_encoder->dcb->type, crtc->index);
+       nv_encoder->crtc = encoder->crtc;
 
        switch (nv_encoder->dcb->type) {
        case OUTPUT_TMDS:
@@ -206,7 +207,7 @@ nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
                } else
                        mode_ctl = 0x0200;
 
-               nouveau_hdmi_mode_set(encoder, mode);
+               nouveau_hdmi_mode_set(encoder, adjusted_mode);
                break;
        case OUTPUT_DP:
                nv_connector = nouveau_encoder_connector_get(nv_encoder);
@@ -243,12 +244,11 @@ nv50_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
        ret = RING_SPACE(evo, 2);
        if (ret) {
                NV_ERROR(dev, "no space while connecting SOR\n");
+               nv_encoder->crtc = NULL;
                return;
        }
        BEGIN_RING(evo, 0, NV50_EVO_SOR(nv_encoder->or, MODE_CTRL), 1);
        OUT_RING(evo, mode_ctl);
-
-       nv_encoder->crtc = encoder->crtc;
 }
 
 static struct drm_crtc *