diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a3xx_gpu.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a4xx_gpu.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.c | 21 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/adreno_gpu.h | 1 |
4 files changed, 25 insertions, 3 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c index b66c53bdc039..0f0c45665dbd 100644 --- a/drivers/gpu/drm/msm/adreno/a3xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a3xx_gpu.c @@ -295,9 +295,12 @@ static int a3xx_hw_init(struct msm_gpu *gpu) static void a3xx_recover(struct msm_gpu *gpu) { + adreno_dump_info(gpu); + /* dump registers before resetting gpu, if enabled: */ if (hang_debug) a3xx_dump(gpu); + gpu_write(gpu, REG_A3XX_RBBM_SW_RESET_CMD, 1); gpu_read(gpu, REG_A3XX_RBBM_SW_RESET_CMD); gpu_write(gpu, REG_A3XX_RBBM_SW_RESET_CMD, 0); diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c index 91221836c5ad..a53f1be05f75 100644 --- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c @@ -268,6 +268,8 @@ static int a4xx_hw_init(struct msm_gpu *gpu) static void a4xx_recover(struct msm_gpu *gpu) { + adreno_dump_info(gpu); + /* dump registers before resetting gpu, if enabled: */ if (hang_debug) a4xx_dump(gpu); @@ -505,7 +507,6 @@ static const unsigned int a4xx_register_offsets[REG_ADRENO_REGISTER_MAX] = { static void a4xx_dump(struct msm_gpu *gpu) { - adreno_dump(gpu); printk("status: %08x\n", gpu_read(gpu, REG_A4XX_RBBM_STATUS)); adreno_dump(gpu); diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index bbdcab0a56c1..a1e861316590 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -249,8 +249,13 @@ void adreno_show(struct msm_gpu *gpu, struct seq_file *m) } #endif -/* would be nice to not have to duplicate the _show() stuff with printk(): */ -void adreno_dump(struct msm_gpu *gpu) +/* Dump common gpu status and scratch registers on any hang, to make + * the hangcheck logs more useful. The scratch registers seem always + * safe to read when GPU has hung (unlike some other regs, depending + * on how the GPU hung), and they are useful to match up to cmdstream + * dumps when debugging hangs: + */ +void adreno_dump_info(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); int i; @@ -266,6 +271,18 @@ void adreno_dump(struct msm_gpu *gpu) printk("wptr: %d\n", adreno_gpu->memptrs->wptr); printk("rb wptr: %d\n", get_wptr(gpu->rb)); + for (i = 0; i < 8; i++) { + printk("CP_SCRATCH_REG%d: %u\n", i, + gpu_read(gpu, REG_AXXX_CP_SCRATCH_REG0 + i)); + } +} + +/* would be nice to not have to duplicate the _show() stuff with printk(): */ +void adreno_dump(struct msm_gpu *gpu) +{ + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + int i; + /* dump these out in a form that can be parsed by demsm: */ printk("IO:region %s 00000000 00020000\n", gpu->name); for (i = 0; adreno_gpu->registers[i] != ~0; i += 2) { diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index a0cc30977e67..2b6b57baf6fd 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -233,6 +233,7 @@ void adreno_idle(struct msm_gpu *gpu); #ifdef CONFIG_DEBUG_FS void adreno_show(struct msm_gpu *gpu, struct seq_file *m); #endif +void adreno_dump_info(struct msm_gpu *gpu); void adreno_dump(struct msm_gpu *gpu); void adreno_wait_ring(struct msm_gpu *gpu, uint32_t ndwords); |