diff options
Diffstat (limited to 'drivers/gpu/drm/msm')
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_debugfs.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/msm/msm_drv.h | 9 |
4 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index 6163990a4d09..ec8e043c9d38 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -1252,6 +1252,7 @@ static void a5xx_fault_detect_irq(struct msm_gpu *gpu) static irqreturn_t a5xx_irq(struct msm_gpu *gpu) { + struct msm_drm_private *priv = gpu->dev->dev_private; u32 status = gpu_read(gpu, REG_A5XX_RBBM_INT_0_STATUS); /* @@ -1261,6 +1262,11 @@ static irqreturn_t a5xx_irq(struct msm_gpu *gpu) gpu_write(gpu, REG_A5XX_RBBM_INT_CLEAR_CMD, status & ~A5XX_RBBM_INT_0_MASK_RBBM_AHB_ERROR); + if (priv->disable_err_irq) { + status &= A5XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS | + A5XX_RBBM_INT_0_MASK_CP_SW; + } + /* Pass status to a5xx_rbbm_err_irq because we've already cleared it */ if (status & RBBM_ERROR_MASK) a5xx_rbbm_err_irq(gpu, status); diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 507222806d60..e7c77b61684d 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1373,10 +1373,14 @@ static void a6xx_fault_detect_irq(struct msm_gpu *gpu) static irqreturn_t a6xx_irq(struct msm_gpu *gpu) { + struct msm_drm_private *priv = gpu->dev->dev_private; u32 status = gpu_read(gpu, REG_A6XX_RBBM_INT_0_STATUS); gpu_write(gpu, REG_A6XX_RBBM_INT_CLEAR_CMD, status); + if (priv->disable_err_irq) + status &= A6XX_RBBM_INT_0_MASK_CP_CACHE_FLUSH_TS; + if (status & A6XX_RBBM_INT_0_MASK_RBBM_HANG_DETECT) a6xx_fault_detect_irq(gpu); diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c index 6a99e8b5d25d..956b1efc3721 100644 --- a/drivers/gpu/drm/msm/msm_debugfs.c +++ b/drivers/gpu/drm/msm/msm_debugfs.c @@ -242,6 +242,9 @@ void msm_debugfs_init(struct drm_minor *minor) debugfs_create_u32("hangcheck_period_ms", 0600, minor->debugfs_root, &priv->hangcheck_period); + debugfs_create_bool("disable_err_irq", 0600, minor->debugfs_root, + &priv->disable_err_irq); + debugfs_create_file("shrink", S_IRWXU, minor->debugfs_root, dev, &shrink_fops); diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h index 3f5fcf6d439e..b24bc501c231 100644 --- a/drivers/gpu/drm/msm/msm_drv.h +++ b/drivers/gpu/drm/msm/msm_drv.h @@ -240,6 +240,15 @@ struct msm_drm_private { /* For hang detection, in ms */ unsigned int hangcheck_period; + + /** + * disable_err_irq: + * + * Disable handling of GPU hw error interrupts, to force fallback to + * sw hangcheck timer. Written (via debugfs) by igt tests to test + * the sw hangcheck mechanism. + */ + bool disable_err_irq; }; struct msm_format { |