From 1e2c8e7a2f3f5b339a7bd972ad09c66ea52acea8 Mon Sep 17 00:00:00 2001 From: Craig Stout Date: Thu, 18 Feb 2016 16:50:03 -0800 Subject: [PATCH] drm/msm/adreno: print details in case of a protect fault interrupt Signed-off-by: Craig Stout Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/adreno/a4xx_gpu.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c index c0d4c7ee94e6..3d07a5a1f338 100644 --- a/drivers/gpu/drm/msm/adreno/a4xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a4xx_gpu.c @@ -348,6 +348,13 @@ static irqreturn_t a4xx_irq(struct msm_gpu *gpu) status = gpu_read(gpu, REG_A4XX_RBBM_INT_0_STATUS); DBG("%s: Int status %08x", gpu->name, status); + if (status & A4XX_INT0_CP_REG_PROTECT_FAULT) { + uint32_t reg = gpu_read(gpu, REG_A4XX_CP_PROTECT_STATUS); + printk("CP | Protected mode error| %s | addr=%x\n", + reg & (1 << 24) ? "WRITE" : "READ", + (reg & 0xFFFFF) >> 2); + } + gpu_write(gpu, REG_A4XX_RBBM_INT_CLEAR_CMD, status); msm_gpu_retire(gpu); -- 2.30.2