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drm/msm/adreno: print details in case of a protect fault interrupt

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Signed-off-by: Craig Stout <cstout@chromium.org>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Craig Stout 2016-02-18 16:50:03 -08:00 committed by Rob Clark
parent 7d0c5ee9f0
commit 1e2c8e7a2f
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/msm/adreno/a4xx_gpu.c
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@ -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);