diff options
Diffstat (limited to 'drivers/gpu/drm/lima/lima_gp.c')
| -rw-r--r-- | drivers/gpu/drm/lima/lima_gp.c | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/drivers/gpu/drm/lima/lima_gp.c b/drivers/gpu/drm/lima/lima_gp.c index 8dd501b7a3..e152950715 100644 --- a/drivers/gpu/drm/lima/lima_gp.c +++ b/drivers/gpu/drm/lima/lima_gp.c @@ -34,11 +34,11 @@ static irqreturn_t lima_gp_irq_handler(int irq, void *data) if (state & LIMA_GP_IRQ_MASK_ERROR) { if ((state & LIMA_GP_IRQ_MASK_ERROR) == LIMA_GP_IRQ_PLBU_OUT_OF_MEM) { - dev_dbg(dev->dev, "gp out of heap irq status=%x\n", - status); + dev_dbg(dev->dev, "%s out of heap irq status=%x\n", + lima_ip_name(ip), status); } else { - dev_err(dev->dev, "gp error irq state=%x status=%x\n", - state, status); + dev_err(dev->dev, "%s error irq state=%x status=%x\n", + lima_ip_name(ip), state, status); if (task) task->recoverable = false; } @@ -89,7 +89,8 @@ static int lima_gp_soft_reset_async_wait(struct lima_ip *ip) v & LIMA_GP_IRQ_RESET_COMPLETED, 0, 100); if (err) { - dev_err(dev->dev, "gp soft reset time out\n"); + dev_err(dev->dev, "%s soft reset time out\n", + lima_ip_name(ip)); return err; } @@ -166,6 +167,11 @@ static void lima_gp_task_run(struct lima_sched_pipe *pipe, gp_write(LIMA_GP_CMD, cmd); } +static int lima_gp_bus_stop_poll(struct lima_ip *ip) +{ + return !!(gp_read(LIMA_GP_STATUS) & LIMA_GP_STATUS_BUS_STOPPED); +} + static int lima_gp_hard_reset_poll(struct lima_ip *ip) { gp_write(LIMA_GP_PERF_CNT_0_LIMIT, 0xC01A0000); @@ -179,16 +185,30 @@ static int lima_gp_hard_reset(struct lima_ip *ip) gp_write(LIMA_GP_PERF_CNT_0_LIMIT, 0xC0FFE000); gp_write(LIMA_GP_INT_MASK, 0); + + gp_write(LIMA_GP_CMD, LIMA_GP_CMD_STOP_BUS); + ret = lima_poll_timeout(ip, lima_gp_bus_stop_poll, 10, 100); + if (ret) { + dev_err(dev->dev, "%s bus stop timeout\n", lima_ip_name(ip)); + return ret; + } gp_write(LIMA_GP_CMD, LIMA_GP_CMD_RESET); ret = lima_poll_timeout(ip, lima_gp_hard_reset_poll, 10, 100); if (ret) { - dev_err(dev->dev, "gp hard reset timeout\n"); + dev_err(dev->dev, "%s hard reset timeout\n", lima_ip_name(ip)); return ret; } gp_write(LIMA_GP_PERF_CNT_0_LIMIT, 0); gp_write(LIMA_GP_INT_CLEAR, LIMA_GP_IRQ_MASK_ALL); gp_write(LIMA_GP_INT_MASK, LIMA_GP_IRQ_MASK_USED); + + /* + * if there was an async soft reset queued, + * don't wait for it in the next job + */ + ip->data.async_reset = false; + return 0; } @@ -201,8 +221,9 @@ static void lima_gp_task_error(struct lima_sched_pipe *pipe) { struct lima_ip *ip = pipe->processor[0]; - dev_err(ip->dev->dev, "gp task error int_state=%x status=%x\n", - gp_read(LIMA_GP_INT_STAT), gp_read(LIMA_GP_STATUS)); + dev_err(ip->dev->dev, "%s task error int_state=%x status=%x\n", + lima_ip_name(ip), gp_read(LIMA_GP_INT_STAT), + gp_read(LIMA_GP_STATUS)); lima_gp_hard_reset(ip); } @@ -212,6 +233,13 @@ static void lima_gp_task_mmu_error(struct lima_sched_pipe *pipe) lima_sched_pipe_task_done(pipe); } +static void lima_gp_task_mask_irq(struct lima_sched_pipe *pipe) +{ + struct lima_ip *ip = pipe->processor[0]; + + gp_write(LIMA_GP_INT_MASK, 0); +} + static int lima_gp_task_recover(struct lima_sched_pipe *pipe) { struct lima_ip *ip = pipe->processor[0]; @@ -305,7 +333,7 @@ int lima_gp_init(struct lima_ip *ip) err = devm_request_irq(dev->dev, ip->irq, lima_gp_irq_handler, IRQF_SHARED, lima_ip_name(ip), ip); if (err) { - dev_err(dev->dev, "gp %s fail to request irq\n", + dev_err(dev->dev, "%s fail to request irq\n", lima_ip_name(ip)); return err; } @@ -344,6 +372,7 @@ int lima_gp_pipe_init(struct lima_device *dev) pipe->task_error = lima_gp_task_error; pipe->task_mmu_error = lima_gp_task_mmu_error; pipe->task_recover = lima_gp_task_recover; + pipe->task_mask_irq = lima_gp_task_mask_irq; return 0; } |