drm/nouveau/flcn: reset sec2/gsp falcons harder

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

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/falcon.h b/drivers/gpu/drm/nouveau/include/nvkm/core/falcon.h
index 2bfa9ff..269814e 100644 (file)
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/falcon.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/falcon.h
@@ -19,4 +19,5 @@ int nvkm_falcon_v1_enable(struct nvkm_falcon *);
 void nvkm_falcon_v1_disable(struct nvkm_falcon *);
 
 void gp102_sec2_flcn_bind_context(struct nvkm_falcon *, struct nvkm_memory *);
+int gp102_sec2_flcn_enable(struct nvkm_falcon *);
 #endif

diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h
index 46b2424..27c1f86 100644 (file)
--- a/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h
@@ -92,6 +92,7 @@ struct nvkm_falcon_func {
        void (*start)(struct nvkm_falcon *);
        int (*enable)(struct nvkm_falcon *falcon);
        void (*disable)(struct nvkm_falcon *falcon);
+       int (*reset)(struct nvkm_falcon *);
 
        struct {
                u32 head;

diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/sec2/gp102.c b/drivers/gpu/drm/nouveau/nvkm/engine/sec2/gp102.c
index 0f6e8d0..9a5bae1 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/engine/sec2/gp102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/sec2/gp102.c
@@ -47,6 +47,15 @@ gp102_sec2_intr(struct nvkm_sec2 *sec2)
        }
 }
 
+int
+gp102_sec2_flcn_enable(struct nvkm_falcon *falcon)
+{
+       nvkm_falcon_mask(falcon, 0x3c0, 0x00000001, 0x00000001);
+       udelay(10);
+       nvkm_falcon_mask(falcon, 0x3c0, 0x00000001, 0x00000000);
+       return nvkm_falcon_v1_enable(falcon);
+}
+
 void
 gp102_sec2_flcn_bind_context(struct nvkm_falcon *falcon,
                             struct nvkm_memory *ctx)
@@ -99,7 +108,7 @@ gp102_sec2_flcn = {
        .clear_interrupt = nvkm_falcon_v1_clear_interrupt,
        .set_start_addr = nvkm_falcon_v1_set_start_addr,
        .start = nvkm_falcon_v1_start,
-       .enable = nvkm_falcon_v1_enable,
+       .enable = gp102_sec2_flcn_enable,
        .disable = nvkm_falcon_v1_disable,
        .cmdq = { 0xa00, 0xa04, 8 },
        .msgq = { 0xa30, 0xa34, 8 },

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c
index 36e640d..2114f9b 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/gv100.c
@@ -32,7 +32,7 @@ gv100_gsp_flcn = {
        .clear_interrupt = nvkm_falcon_v1_clear_interrupt,
        .set_start_addr = nvkm_falcon_v1_set_start_addr,
        .start = nvkm_falcon_v1_start,
-       .enable = nvkm_falcon_v1_enable,
+       .enable = gp102_sec2_flcn_enable,
        .disable = nvkm_falcon_v1_disable,
 };