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authorBen Skeggs <bskeggs@redhat.com>2015-08-21 12:50:07 +1000
committerBen Skeggs <bskeggs@redhat.com>2015-08-28 12:40:05 +1000
commitfe0f5d08806dcf7fd51092dfc6ea666ea2392692 (patch)
treeef1c83e33577533fb69dc5a443fad27b2c803aaa /drivers/gpu/drm/nouveau/nvkm/engine/disp
parentf10956d4455fcb24ecbdca30e6d9d88c95dc2588 (diff)
drm/nouveau/disp/dp: fix some tx_pu mishandling
We only need to mask 0x0f on GM2xx, and want to keep the higher bits on earlier cards. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/sorg94.c2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf110.c2
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c7
3 files changed, 6 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorg94.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorg94.c
index 8918da7ffdf2..2982ebf1affd 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorg94.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorg94.c
@@ -125,7 +125,7 @@ g94_sor_dp_drv_ctl(struct nvkm_output_dp *outp, int ln, int vs, int pe, int pc)
data[2] = (data[2] & ~0x0000ff00) | (ocfg.tx_pu << 8);
nv_wr32(priv, 0x61c118 + loff, data[0] | (ocfg.dc << shift));
nv_wr32(priv, 0x61c120 + loff, data[1] | (ocfg.pe << shift));
- nv_wr32(priv, 0x61c130 + loff, data[2] | (ocfg.tx_pu << 8));
+ nv_wr32(priv, 0x61c130 + loff, data[2]);
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf110.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf110.c
index 52fbe4880e13..2107e314a117 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf110.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgf110.c
@@ -102,7 +102,7 @@ gf110_sor_dp_drv_ctl(struct nvkm_output_dp *outp,
data[2] = (data[2] & ~0x0000ff00) | (ocfg.tx_pu << 8);
nv_wr32(priv, 0x61c118 + loff, data[0] | (ocfg.dc << shift));
nv_wr32(priv, 0x61c120 + loff, data[1] | (ocfg.pe << shift));
- nv_wr32(priv, 0x61c130 + loff, data[2] | (ocfg.tx_pu << 8));
+ nv_wr32(priv, 0x61c130 + loff, data[2]);
data[3] = nv_rd32(priv, 0x61c13c + loff) & ~(0x000000ff << shift);
nv_wr32(priv, 0x61c13c + loff, data[3] | (ocfg.pc << shift));
return 0;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c
index 1e40dfe11319..a2706e24f5c1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/sorgm204.c
@@ -109,15 +109,16 @@ gm204_sor_dp_drv_ctl(struct nvkm_output_dp *outp,
&ver, &hdr, &cnt, &len, &ocfg);
if (!addr)
return -EINVAL;
+ ocfg.tx_pu &= 0x0f;
data[0] = nv_rd32(priv, 0x61c118 + loff) & ~(0x000000ff << shift);
data[1] = nv_rd32(priv, 0x61c120 + loff) & ~(0x000000ff << shift);
data[2] = nv_rd32(priv, 0x61c130 + loff);
- if ((data[2] & 0x0000ff00) < (ocfg.tx_pu << 8) || ln == 0)
- data[2] = (data[2] & ~0x0000ff00) | (ocfg.tx_pu << 8);
+ if ((data[2] & 0x00000f00) < (ocfg.tx_pu << 8) || ln == 0)
+ data[2] = (data[2] & ~0x00000f00) | (ocfg.tx_pu << 8);
nv_wr32(priv, 0x61c118 + loff, data[0] | (ocfg.dc << shift));
nv_wr32(priv, 0x61c120 + loff, data[1] | (ocfg.pe << shift));
- nv_wr32(priv, 0x61c130 + loff, data[2] | (ocfg.tx_pu << 8));
+ nv_wr32(priv, 0x61c130 + loff, data[2]);
data[3] = nv_rd32(priv, 0x61c13c + loff) & ~(0x000000ff << shift);
nv_wr32(priv, 0x61c13c + loff, data[3] | (ocfg.pc << shift));
return 0;