drm/nve0/fb/gddr5: yet another random 10f200 bit

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

diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bios/ramcfg.h b/drivers/gpu/drm/nouveau/core/include/subdev/bios/ramcfg.h
index c364392..c5e6d1e 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/include/subdev/bios/ramcfg.h
+++ b/drivers/gpu/drm/nouveau/core/include/subdev/bios/ramcfg.h
@@ -40,6 +40,7 @@ struct nvbios_ramcfg {
        unsigned ramcfg_11_08_04:1;
        unsigned ramcfg_11_08_08:1;
        unsigned ramcfg_11_08_10:1;
+       unsigned ramcfg_11_08_20:1;
        unsigned ramcfg_11_09:8;
 
        unsigned timing[11];

diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/rammap.c b/drivers/gpu/drm/nouveau/core/subdev/bios/rammap.c
index f13aeea..1811b2c 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/subdev/bios/rammap.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/bios/rammap.c
@@ -162,6 +162,7 @@ nvbios_rammapSp(struct nouveau_bios *bios, u32 data,
                p->ramcfg_11_08_04 = (nv_ro08(bios, data + 0x08) & 0x04) >> 2;
                p->ramcfg_11_08_08 = (nv_ro08(bios, data + 0x08) & 0x08) >> 3;
                p->ramcfg_11_08_10 = (nv_ro08(bios, data + 0x08) & 0x10) >> 4;
+               p->ramcfg_11_08_20 = (nv_ro08(bios, data + 0x08) & 0x20) >> 5;
                p->ramcfg_11_09    = (nv_ro08(bios, data + 0x09) & 0xff) >> 0;
                break;
        default:

diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c
index 9a79da9..91d9fe6 100644 (file)
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c
@@ -477,6 +477,14 @@ nve0_ram_calc_gddr5(struct nouveau_fb *pfb, u32 freq)
        ram_mask(fuc, 0x10f2e8, 0xffffffff, next->bios.timing[9]);
 
        data = mask = 0x00000000;
+       if (NOTE00(ramcfg_08_20)) {
+               if (next->bios.ramcfg_11_08_20)
+                       data |= 0x01000000;
+               mask |= 0x01000000;
+       }
+       ram_mask(fuc, 0x10f200, mask, data);
+
+       data = mask = 0x00000000;
        if (NOTE00(ramcfg_02_03 != 0)) {
                data |= (next->bios.ramcfg_11_02_03) << 8;
                mask |= 0x00000300;