diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c index 14d942e8b857..534553c64805 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c @@ -40,6 +40,20 @@ gp102_fb_vpr_scrub_required(struct nvkm_fb *fb) return (nvkm_rd32(device, 0x100cd0) & 0x00000010) != 0; } +u64 +gp102_fb_vidmem_size(struct nvkm_fb *fb) +{ + const u32 data = nvkm_rd32(fb->subdev.device, 0x100ce0); + const u32 lmag = (data & 0x000003f0) >> 4; + const u32 lsca = (data & 0x0000000f); + const u64 size = (u64)lmag << (lsca + 20); + + if (data & 0x40000000) + return size / 16 * 15; + + return size; +} + int gp102_fb_oneinit(struct nvkm_fb *fb) { @@ -59,9 +73,10 @@ gp102_fb = { .init_remapper = gp100_fb_init_remapper, .init_page = gm200_fb_init_page, .sysmem.flush_page_init = gf100_fb_sysmem_flush_page_init, + .vidmem.size = gp102_fb_vidmem_size, .vpr.scrub_required = gp102_fb_vpr_scrub_required, .vpr.scrub = gp102_fb_vpr_scrub, - .ram_new = gp100_ram_new, + .ram_new = gp102_ram_new, }; int |