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[73.25.156.94]) by smtp.gmail.com with ESMTPSA id z9-20020a1709028f8900b0015e8d4eb2casm7439442plo.276.2022.05.29.11.04.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 29 May 2022 11:04:20 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, Connor Abbott , Jonathan Marek , Rob Clark , Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , Akhil P Oommen , Jordan Crouse , Chia-I Wu , Bjorn Andersson , AngeloGioacchino Del Regno , Vladimir Lypak , Emma Anholt , Dan Carpenter , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v2] drm/msm/adreno: Allow larger address space size Date: Sun, 29 May 2022 11:04:23 -0700 Message-Id: <20220529180428.2577832-1-robdclark@gmail.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rob Clark The restriction to 4G was strictly to work around 64b math bug in some versions of SQE firmware. This appears to be fixed in a650+ SQE fw, so allow a larger address space size on these devices. Also, add a modparam override for debugging and igt. v2: Send the right version of the patch (ie. the one that actually compiles) Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 3 ++- drivers/gpu/drm/msm/adreno/adreno_device.c | 3 +++ drivers/gpu/drm/msm/adreno/adreno_gpu.c | 17 +++++++++++++++++ drivers/gpu/drm/msm/adreno/adreno_gpu.h | 2 ++ 4 files changed, 24 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 42ed9a3c4905..24932b2945ae 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -1737,7 +1737,8 @@ a6xx_create_private_address_space(struct msm_gpu *gpu) return ERR_CAST(mmu); return msm_gem_address_space_create(mmu, - "gpu", 0x100000000ULL, SZ_4G); + "gpu", 0x100000000ULL, + adreno_private_address_space_size(gpu)); } static uint32_t a6xx_get_rptr(struct msm_gpu *gpu, struct msm_ringbuffer *ring) diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 89cfd84760d7..f3685130ce9b 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -303,6 +303,7 @@ static const struct adreno_info gpulist[] = { .init = a6xx_gpu_init, .zapfw = "a650_zap.mdt", .hwcg = a650_hwcg, + .address_space_size = SZ_16G, }, { .rev = ADRENO_REV(6, 6, 0, ANY_ID), .revn = 660, @@ -316,6 +317,7 @@ static const struct adreno_info gpulist[] = { .init = a6xx_gpu_init, .zapfw = "a660_zap.mdt", .hwcg = a660_hwcg, + .address_space_size = SZ_16G, }, { .rev = ADRENO_REV(6, 3, 5, ANY_ID), .fw = { @@ -326,6 +328,7 @@ static const struct adreno_info gpulist[] = { .inactive_period = DRM_MSM_INACTIVE_PERIOD, .init = a6xx_gpu_init, .hwcg = a660_hwcg, + .address_space_size = SZ_16G, }, { .rev = ADRENO_REV(6, 8, 0, ANY_ID), .revn = 680, diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 4e665c806a14..7b5f30881eee 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -21,6 +21,10 @@ #include "msm_gem.h" #include "msm_mmu.h" +static u64 address_space_size = 0; +MODULE_PARM_DESC(address_space_size, "Override for size of processes private GPU address space"); +module_param(address_space_size, ullong, 0600); + static bool zap_available = true; static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname, @@ -228,6 +232,19 @@ adreno_iommu_create_address_space(struct msm_gpu *gpu, return aspace; } +u64 adreno_private_address_space_size(struct msm_gpu *gpu) +{ + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + + if (address_space_size) + return address_space_size; + + if (adreno_gpu->info->address_space_size) + return adreno_gpu->info->address_space_size; + + return SZ_4G; +} + int adreno_get_param(struct msm_gpu *gpu, struct msm_file_private *ctx, uint32_t param, uint64_t *value, uint32_t *len) { diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.h b/drivers/gpu/drm/msm/adreno/adreno_gpu.h index ab3b5ef80332..0a4d45695dc7 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.h +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.h @@ -70,6 +70,7 @@ struct adreno_info { const char *zapfw; u32 inactive_period; const struct adreno_reglist *hwcg; + u64 address_space_size; }; const struct adreno_info *adreno_info(struct adreno_rev rev); @@ -280,6 +281,7 @@ static inline int adreno_is_a650_family(struct adreno_gpu *gpu) adreno_is_a660_family(gpu); } +u64 adreno_private_address_space_size(struct msm_gpu *gpu); int adreno_get_param(struct msm_gpu *gpu, struct msm_file_private *ctx, uint32_t param, uint64_t *value, uint32_t *len); int adreno_set_param(struct msm_gpu *gpu, struct msm_file_private *ctx, -- 2.35.3