From: Rob Clark <robin.clark@oss.qualcomm.com>
To: dri-devel@lists.freedesktop.org
Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org,
Alexander Koskovich <akoskovich@pm.me>,
Jie Zhang <jie.zhang@oss.qualcomm.com>,
Akhil P Oommen <akhilpo@oss.qualcomm.com>,
Bhaskar Reddy Valluru <bvalluru@qti.qualcomm.com>,
Rob Clark <robin.clark@oss.qualcomm.com>,
Sean Paul <sean@poorly.run>,
Konrad Dybcio <konradybcio@kernel.org>,
Dmitry Baryshkov <lumag@kernel.org>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Jessica Zhang <jesszhan0024@gmail.com>,
Marijn Suijten <marijn.suijten@somainline.org>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 06/12] drm/msm/adreno: Fix PROTECT span length
Date: Tue, 20 Oct 2026 13:46:20 -0700 [thread overview]
Message-ID: <20261020204728.28844-7-robin.clark@oss.qualcomm.com> (raw)
In-Reply-To: <20261020204728.28844-1-robin.clark@oss.qualcomm.com>
Don't let the length bleed into b31.
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
---
drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
index d60cbfaa0d8e..5e1f35c83d63 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h
@@ -244,7 +244,7 @@ struct a7xx_cp_smmu_info {
*/
#define A6XX_PROTECT_NORDWR(_reg, _len) \
((1 << 31) | \
- (((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
+ (((_len) & 0x1FFF) << 18) | ((_reg) & 0x3FFFF))
/*
* Same as above, but allow reads over the range. For areas of mixed use (such
@@ -252,7 +252,7 @@ struct a7xx_cp_smmu_info {
* single register
*/
#define A6XX_PROTECT_RDONLY(_reg, _len) \
- ((((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF))
+ ((((_len) & 0x1FFF) << 18) | ((_reg) & 0x3FFFF))
extern const struct adreno_gpu_funcs a6xx_gpu_funcs;
extern const struct adreno_gpu_funcs a6xx_gmuwrapper_funcs;
--
2.56.0
next prev parent reply other threads:[~2026-10-20 20:47 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-20 20:46 [PATCH 00/12] drm/msm/a8xx: GPU state capture support Rob Clark
2026-10-20 20:46 ` [PATCH 01/12] drm/msm: Import adreno_snapshot.h Rob Clark
2026-10-20 20:46 ` [PATCH 02/12] drm/msm/a8xx: Export aperture helpers Rob Clark
2026-10-20 20:46 ` [PATCH 03/12] drm/msm/a8xx: Add a8xx_aperture_acquire_slice() Rob Clark
2026-10-20 20:46 ` [PATCH 04/12] drm/msm/a8xx: Allow nonctx reglist to include GMU regs Rob Clark
2026-10-20 20:46 ` [PATCH 05/12] drm/msm/a8xx: Stop getting GMEM_PROTECT from nonctx list Rob Clark
2026-10-20 20:46 ` Rob Clark [this message]
2026-10-20 20:46 ` [PATCH 07/12] drm/msm/adreno: add temporary __maybe_unused Rob Clark
2026-10-20 20:46 ` [PATCH 08/12] drm/msm/a8xx: Import generated headers Rob Clark
2026-10-20 20:46 ` [PATCH 09/12] drm/msm/a8xx: devcoredump state capture support Rob Clark
2026-10-20 20:46 ` [PATCH 10/12] drm/msm/a8xx: Switch to generated nonctx regs Rob Clark
2026-10-20 20:46 ` [PATCH 11/12] drm/msm/a8xx: Switch to generated protect regs Rob Clark
2026-10-20 20:46 ` [PATCH 12/12] drm/msm/adreno: Remove temporary __maybe_unused Rob Clark
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