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drm/msm/a6xx: Update ROQ size in coredump

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Since RoQ size differs between generations, calculate dynamically the
RoQ size while capturing coredump.

Signed-off-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/515610/
Link: https://lore.kernel.org/r/20221221203925.v2.4.I07f22966395eb045f6b312710f53890d5d7e69d4@changeid
Signed-off-by: Rob Clark <robdclark@chromium.org>
This commit is contained in:
Akhil P Oommen 2022-12-21 20:39:59 +05:30 • committed by Rob Clark
parent 1e05bba5e2
commit 3cba4a2cdf
2 changed files with 20 additions and 8 deletions
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11
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
View file

@ -942,15 +942,24 @@ static void a6xx_get_registers(struct msm_gpu *gpu,
dumper);
}
static u32 a6xx_get_cp_roq_size(struct msm_gpu *gpu)
{
/* The value at [16:31] is in 4dword units. Convert it to dwords */
return gpu_read(gpu, REG_A6XX_CP_ROQ_THRESHOLDS_2) >> 14;
}
/* Read a block of data from an indexed register pair */
static void a6xx_get_indexed_regs(struct msm_gpu *gpu,
struct a6xx_gpu_state *a6xx_state,
const struct a6xx_indexed_registers *indexed,
struct a6xx_indexed_registers *indexed,
struct a6xx_gpu_state_obj *obj)
{
int i;
obj->handle = (const void *) indexed;
if (indexed->count_fn)
indexed->count = indexed->count_fn(gpu);
obj->data = state_kcalloc(a6xx_state, indexed->count, sizeof(u32));
if (!obj->data)
return;

17
drivers/gpu/drm/msm/adreno/a6xx_gpu_state.h
View file

@ -383,25 +383,28 @@ static const struct a6xx_registers a6xx_gmu_reglist[] = {
REGS(a6xx_gmu_gx_registers, 0, 0),
};
static const struct a6xx_indexed_registers {
static u32 a6xx_get_cp_roq_size(struct msm_gpu *gpu);
static struct a6xx_indexed_registers {
const char *name;
u32 addr;
u32 data;
u32 count;
u32 (*count_fn)(struct msm_gpu *gpu);
} a6xx_indexed_reglist[] = {
{ "CP_SQE_STAT", REG_A6XX_CP_SQE_STAT_ADDR,
REG_A6XX_CP_SQE_STAT_DATA, 0x33 },
REG_A6XX_CP_SQE_STAT_DATA, 0x33, NULL },
{ "CP_DRAW_STATE", REG_A6XX_CP_DRAW_STATE_ADDR,
REG_A6XX_CP_DRAW_STATE_DATA, 0x100 },
REG_A6XX_CP_DRAW_STATE_DATA, 0x100, NULL },
{ "CP_UCODE_DBG_DATA", REG_A6XX_CP_SQE_UCODE_DBG_ADDR,
REG_A6XX_CP_SQE_UCODE_DBG_DATA, 0x6000 },
REG_A6XX_CP_SQE_UCODE_DBG_DATA, 0x8000, NULL },
{ "CP_ROQ", REG_A6XX_CP_ROQ_DBG_ADDR,
REG_A6XX_CP_ROQ_DBG_DATA, 0x400 },
REG_A6XX_CP_ROQ_DBG_DATA, 0, a6xx_get_cp_roq_size},
};
static const struct a6xx_indexed_registers a6xx_cp_mempool_indexed = {
static struct a6xx_indexed_registers a6xx_cp_mempool_indexed = {
"CP_MEMPOOL", REG_A6XX_CP_MEM_POOL_DBG_ADDR,
REG_A6XX_CP_MEM_POOL_DBG_DATA, 0x2060,
REG_A6XX_CP_MEM_POOL_DBG_DATA, 0x2060, NULL,
};
#define DEBUGBUS(_id, _count) { .id = _id, .name = #_id, .count = _count }