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| author | Akhil P Oommen <akhilpo@oss.qualcomm.com> | 2025-11-18 14:20:28 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-01-08 10:17:15 +0100 |
| commit | 2c9ba2fbcd97c02c1cb23ec80290494a808f1690 (patch) | |
| tree | 045e178dfe774fe5289f841aad39e142b8b309b6 | |
| parent | b89cd47c4c92b5864488ea80556191a7a1b7074e (diff) | |
| download | linux-2c9ba2fbcd97c02c1cb23ec80290494a808f1690.tar.gz linux-2c9ba2fbcd97c02c1cb23ec80290494a808f1690.tar.bz2 linux-2c9ba2fbcd97c02c1cb23ec80290494a808f1690.zip | |
drm/msm/a6xx: Fix out of bound IO access in a6xx_get_gmu_registers
commit 779b68a5bf2764c8ed3aa800e41ba0d5d007e1e7 upstream.
REG_A6XX_GMU_AO_AHB_FENCE_CTRL register falls under GMU's register
range. So, use gmu_write() routines to write to this register.
Fixes: 1707add81551 ("drm/msm/a6xx: Add a6xx gpu state")
Cc: stable@vger.kernel.org
Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/688993/
Message-ID: <20251118-kaana-gpu-support-v4-1-86eeb8e93fb6@oss.qualcomm.com>
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c index 4c7f3c642f6a..9cec333e23e1 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c @@ -1255,7 +1255,7 @@ static void a6xx_get_gmu_registers(struct msm_gpu *gpu, return; /* Set the fence to ALLOW mode so we can access the registers */ - gpu_write(gpu, REG_A6XX_GMU_AO_AHB_FENCE_CTRL, 0); + gmu_write(&a6xx_gpu->gmu, REG_A6XX_GMU_AO_AHB_FENCE_CTRL, 0); _a6xx_get_gmu_registers(gpu, a6xx_state, &a6xx_gmu_reglist[2], &a6xx_state->gmu_registers[3], false); |