From: Thierry Reding <treding@xxxxxxxxxx>
gp10b doesn't have all the registers that gp102_gr_zbc wants to access,
which causes IBUS MMIO faults to occur. Avoid this by using the gp100
variants of grctx and gr_zbc.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h | 1 +
drivers/gpu/drm/nouveau/nvkm/engine/gr/gp100.c | 2 +-
drivers/gpu/drm/nouveau/nvkm/engine/gr/gp10b.c | 4 ++--
3 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
index fafdd0bbea9b..c4b2e6346684 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.h
@@ -245,6 +245,7 @@ void gp100_gr_init_fecs_exceptions(struct gf100_gr *);
void gp100_gr_init_shader_exceptions(struct gf100_gr *, int, int);
void gp100_gr_zbc_clear_color(struct gf100_gr *, int);
void gp100_gr_zbc_clear_depth(struct gf100_gr *, int);
+extern const struct gf100_gr_func_zbc gp100_gr_zbc;
void gp102_gr_init_swdx_pes_mask(struct gf100_gr *);
extern const struct gf100_gr_func_zbc gp102_gr_zbc;
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gp100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gp100.c
index 9d0521ce309a..ef16fee61327 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gp100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gp100.c
@@ -62,7 +62,7 @@ gp100_gr_zbc_clear_depth(struct gf100_gr *gr, int zbc)
gr->zbc_depth[zbc].format << ((znum % 4) * 7));
}
-static const struct gf100_gr_func_zbc
+const struct gf100_gr_func_zbc
gp100_gr_zbc = {
.clear_color = gp100_gr_zbc_clear_color,
.clear_depth = gp100_gr_zbc_clear_depth,
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gp10b.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gp10b.c
index 303dceddd4a8..0b375b2587d2 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gp10b.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gp10b.c
@@ -48,8 +48,8 @@ gp10b_gr = {
.gpc_nr = 1,
.tpc_nr = 2,
.ppc_nr = 1,
- .grctx = &gp102_grctx,
- .zbc = &gp102_gr_zbc,
+ .grctx = &gp100_grctx,
+ .zbc = &gp100_gr_zbc,
.sclass = {
{ -1, -1, FERMI_TWOD_A },
{ -1, -1, KEPLER_INLINE_TO_MEMORY_B },
--
2.24.1
