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Message-Id: <20211124024436.v2.6.Ibfca354efaf274142593a6dbfbedb3de31918ff6@changeid>
Date: Wed, 24 Nov 2021 02:47:55 +0530
From: Akhil P Oommen <akhilpo@...eaurora.org>
To: freedreno <freedreno@...ts.freedesktop.org>,
dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
Rob Clark <robdclark@...il.com>
Cc: Douglas Anderson <dianders@...omium.org>,
Jordan Crouse <jordan@...micpenguin.net>,
Matthias Kaehlcke <mka@...omium.org>,
Jonathan Marek <jonathan@...ek.ca>,
Daniel Vetter <daniel@...ll.ch>,
David Airlie <airlied@...ux.ie>,
Lee Jones <lee.jones@...aro.org>, Sean Paul <sean@...rly.run>,
Stephen Boyd <swboyd@...omium.org>,
Stéphane Marchesin <marcheu@...omium.org>,
linux-kernel@...r.kernel.org
Subject: [PATCH v2 6/6] drm/msm/a6xx: Add a few gmu buffers to coredump
Add a few more gmu buffers to coredump to help debug gmu
issues.
Signed-off-by: Akhil P Oommen <akhilpo@...eaurora.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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