Add a few more gmu buffers to coredump to help debug gmu
issues.

Signed-off-by: Akhil P Oommen <akhi...@codeaurora.org>
---

(no changes since v1)

 drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 157 +++++++++++++++++++---------
 1 file changed, 108 insertions(+), 49 deletions(-)

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c 
b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
index e6f5571..0cb6551 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
@@ -13,12 +13,22 @@ struct a6xx_gpu_state_obj {
        u32 *data;
 };
 
+struct a6xx_gmu_state {
+       struct a6xx_gpu_state_obj *registers;
+       int nr_registers;
+
+       struct msm_gpu_state_bo *log_bo;
+
+       struct msm_gpu_state_bo *hfi_bo;
+
+       struct msm_gpu_state_bo *debug_bo;
+
+       struct msm_gpu_state_bo *mem_bin_bo[2];
+};
+
 struct a6xx_gpu_state {
        struct msm_gpu_state base;
 
-       struct a6xx_gpu_state_obj *gmu_registers;
-       int nr_gmu_registers;
-
        struct a6xx_gpu_state_obj *registers;
        int nr_registers;
 
@@ -42,7 +52,7 @@ struct a6xx_gpu_state {
        struct a6xx_gpu_state_obj *cx_debugbus;
        int nr_cx_debugbus;
 
-       struct msm_gpu_state_bo *gmu_log;
+       struct a6xx_gmu_state gmu_state;
 
        struct list_head objs;
 };
@@ -777,20 +787,21 @@ static void a6xx_get_gmu_registers(struct msm_gpu *gpu,
 {
        struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
        struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
+       struct a6xx_gmu_state *gmu_state = &a6xx_state->gmu_state;
 
-       a6xx_state->gmu_registers = state_kcalloc(a6xx_state,
-               2, sizeof(*a6xx_state->gmu_registers));
+       gmu_state->registers = state_kcalloc(a6xx_state,
+               2, sizeof(*gmu_state->registers));
 
-       if (!a6xx_state->gmu_registers)
+       if (!gmu_state->registers)
                return;
 
-       a6xx_state->nr_gmu_registers = 2;
+       gmu_state->nr_registers = 2;
 
        /* Get the CX GMU registers from AHB */
        _a6xx_get_gmu_registers(gpu, a6xx_state, &a6xx_gmu_reglist[0],
-               &a6xx_state->gmu_registers[0], false);
+               &gmu_state->registers[0], false);
        _a6xx_get_gmu_registers(gpu, a6xx_state, &a6xx_gmu_reglist[1],
-               &a6xx_state->gmu_registers[1], true);
+               &gmu_state->registers[1], true);
 
        if (!a6xx_gmu_gx_is_on(&a6xx_gpu->gmu))
                return;
@@ -799,31 +810,46 @@ static void a6xx_get_gmu_registers(struct msm_gpu *gpu,
        gpu_write(gpu, REG_A6XX_GMU_AO_AHB_FENCE_CTRL, 0);
 
        _a6xx_get_gmu_registers(gpu, a6xx_state, &a6xx_gmu_reglist[2],
-               &a6xx_state->gmu_registers[2], false);
+               &gmu_state->registers[2], false);
+
+       gmu_state->nr_registers = 3;
 }
 
-static void a6xx_get_gmu_log(struct msm_gpu *gpu,
+static void a6xx_get_gmu_bo(struct a6xx_gpu_state *a6xx_state,
+               struct a6xx_gmu_bo *gmu_bo, struct msm_gpu_state_bo **dest_bo)
+{
+       struct msm_gpu_state_bo *bo;
+
+       bo = state_kcalloc(a6xx_state, 1, sizeof(**dest_bo));
+       if (!bo)
+               return;
+
+       bo->iova = gmu_bo->iova;
+       bo->size = gmu_bo->size;
+       bo->data = kvzalloc(bo->size, GFP_KERNEL);
+       if (!bo->data)
+               return;
+
+       memcpy(bo->data, gmu_bo->virt, gmu_bo->size);
+
+       *dest_bo = bo;
+}
+
+static void a6xx_get_gmu_state(struct msm_gpu *gpu,
                struct a6xx_gpu_state *a6xx_state)
 {
+       struct a6xx_gmu_state *gmu_state = &a6xx_state->gmu_state;
        struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu);
        struct a6xx_gpu *a6xx_gpu = to_a6xx_gpu(adreno_gpu);
        struct a6xx_gmu *gmu = &a6xx_gpu->gmu;
-       struct msm_gpu_state_bo *gmu_log;
 
-       gmu_log = state_kcalloc(a6xx_state,
-               1, sizeof(*a6xx_state->gmu_log));
-       if (!gmu_log)
-               return;
+       a6xx_get_gmu_registers(gpu, a6xx_state);
 
-       gmu_log->iova = gmu->log.iova;
-       gmu_log->size = gmu->log.size;
-       gmu_log->data = kvzalloc(gmu_log->size, GFP_KERNEL);
-       if (!gmu_log->data)
-               return;
+       a6xx_get_gmu_bo(a6xx_state, &gmu->log, &gmu_state->log_bo);
 
-       memcpy(gmu_log->data, gmu->log.virt, gmu->log.size);
+       a6xx_get_gmu_bo(a6xx_state, &gmu->hfi, &gmu_state->hfi_bo);
 
-       a6xx_state->gmu_log = gmu_log;
+       a6xx_get_gmu_bo(a6xx_state, &gmu->debug, &gmu_state->debug_bo);
 }
 
 #define A6XX_GBIF_REGLIST_SIZE   1
@@ -961,9 +987,7 @@ struct msm_gpu_state *a6xx_gpu_state_get(struct msm_gpu 
*gpu)
        /* Get the generic state from the adreno core */
        adreno_gpu_state_get(gpu, &a6xx_state->base);
 
-       a6xx_get_gmu_registers(gpu, a6xx_state);
-
-       a6xx_get_gmu_log(gpu, a6xx_state);
+       a6xx_get_gmu_state(gpu, a6xx_state);
 
        /* If GX isn't on the rest of the data isn't going to be accessible */
        if (!a6xx_gmu_gx_is_on(&a6xx_gpu->gmu))
@@ -1005,9 +1029,16 @@ static void a6xx_gpu_state_destroy(struct kref *kref)
                        struct msm_gpu_state, ref);
        struct a6xx_gpu_state *a6xx_state = container_of(state,
                        struct a6xx_gpu_state, base);
+       struct a6xx_gmu_state *gmu_state = &a6xx_state->gmu_state;
 
-       if (a6xx_state->gmu_log && a6xx_state->gmu_log->data)
-               kvfree(a6xx_state->gmu_log->data);
+       if (gmu_state->log_bo && gmu_state->log_bo->data)
+               kvfree(gmu_state->log_bo->data);
+
+       if (gmu_state->hfi_bo && gmu_state->hfi_bo->data)
+               kvfree(gmu_state->hfi_bo->data);
+
+       if (gmu_state->debug_bo && gmu_state->debug_bo->data)
+               kvfree(gmu_state->debug_bo->data);
 
        list_for_each_entry_safe(obj, tmp, &a6xx_state->objs, node)
                kfree(obj);
@@ -1210,31 +1241,43 @@ static void a6xx_show_debugbus(struct a6xx_gpu_state 
*a6xx_state,
        }
 }
 
-void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
-               struct drm_printer *p)
+void a6xx_gmu_show(struct a6xx_gmu_state *gmu_state, struct drm_printer *p)
 {
-       struct a6xx_gpu_state *a6xx_state = container_of(state,
-                       struct a6xx_gpu_state, base);
        int i;
 
-       if (IS_ERR_OR_NULL(state))
-               return;
+       drm_puts(p, "gmu-log:\n");
+       if (gmu_state->log_bo) {
+               struct msm_gpu_state_bo *log_bo = gmu_state->log_bo;
 
-       adreno_show(gpu, state, p);
+               drm_printf(p, "    iova: 0x%016llx\n", log_bo->iova);
+               drm_printf(p, "    size: %zu\n", log_bo->size);
+               adreno_show_object(p, &log_bo->data, log_bo->size,
+                               &log_bo->encoded);
+       }
 
-       drm_puts(p, "gmu-log:\n");
-       if (a6xx_state->gmu_log) {
-               struct msm_gpu_state_bo *gmu_log = a6xx_state->gmu_log;
+       drm_puts(p, "gmu-hfi:\n");
+       if (gmu_state->hfi_bo) {
+               struct msm_gpu_state_bo *hfi_bo = gmu_state->hfi_bo;
 
-               drm_printf(p, "    iova: 0x%016llx\n", gmu_log->iova);
-               drm_printf(p, "    size: %zu\n", gmu_log->size);
-               adreno_show_object(p, &gmu_log->data, gmu_log->size,
-                               &gmu_log->encoded);
+               drm_printf(p, "    iova: 0x%016llx\n", hfi_bo->iova);
+               drm_printf(p, "    size: %zu\n", hfi_bo->size);
+               adreno_show_object(p, &hfi_bo->data, hfi_bo->size,
+                               &hfi_bo->encoded);
        }
 
-       drm_puts(p, "registers:\n");
-       for (i = 0; i < a6xx_state->nr_registers; i++) {
-               struct a6xx_gpu_state_obj *obj = &a6xx_state->registers[i];
+       drm_puts(p, "gmu-debug:\n");
+       if (gmu_state->debug_bo) {
+               struct msm_gpu_state_bo *debug_bo = gmu_state->debug_bo;
+
+               drm_printf(p, "    iova: 0x%016llx\n", debug_bo->iova);
+               drm_printf(p, "    size: %zu\n", debug_bo->size);
+               adreno_show_object(p, &debug_bo->data, debug_bo->size,
+                               &debug_bo->encoded);
+       }
+
+       drm_puts(p, "registers-gmu:\n");
+       for (i = 0; i < gmu_state->nr_registers; i++) {
+               struct a6xx_gpu_state_obj *obj = &gmu_state->registers[i];
                const struct a6xx_registers *regs = obj->handle;
 
                if (!obj->handle)
@@ -1242,10 +1285,26 @@ void a6xx_show(struct msm_gpu *gpu, struct 
msm_gpu_state *state,
 
                a6xx_show_registers(regs->registers, obj->data, regs->count, p);
        }
+}
 
-       drm_puts(p, "registers-gmu:\n");
-       for (i = 0; i < a6xx_state->nr_gmu_registers; i++) {
-               struct a6xx_gpu_state_obj *obj = &a6xx_state->gmu_registers[i];
+
+void a6xx_show(struct msm_gpu *gpu, struct msm_gpu_state *state,
+               struct drm_printer *p)
+{
+       struct a6xx_gpu_state *a6xx_state = container_of(state,
+                       struct a6xx_gpu_state, base);
+       int i;
+
+       if (IS_ERR_OR_NULL(state))
+               return;
+
+       adreno_show(gpu, state, p);
+
+       a6xx_gmu_show(&a6xx_state->gmu_state, p);
+
+       drm_puts(p, "registers:\n");
+       for (i = 0; i < a6xx_state->nr_registers; i++) {
+               struct a6xx_gpu_state_obj *obj = &a6xx_state->registers[i];
                const struct a6xx_registers *regs = obj->handle;
 
                if (!obj->handle)
-- 
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