From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Clark Subject: [PATCH 1/3] drm/msm/gpu: add per-process pagetables param Date: Tue, 16 Apr 2019 18:30:24 -0700 Message-ID: <20190417013031.555-2-robdclark@gmail.com> References: <20190417013031.555-1-robdclark@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190417013031.555-1-robdclark@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org Cc: Rob Clark , linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org List-Id: linux-arm-msm@vger.kernel.org RnJvbTogUm9iIENsYXJrIDxyb2JkY2xhcmtAY2hyb21pdW0ub3JnPgoKRm9yIG5vdyBpdCBhbHdh eXMgcmV0dXJucyAnMCcgKGZhbHNlKSwgYnV0IG9uY2UgdGhlIGlvbW11IHdvcmsgaXMgaW4KcGxh Y2UgdG8gZW5hYmxlIHBlci1wcm9jZXNzIHBhZ2V0YWJsZXMgd2UgY2FuIHVwZGF0ZSB0aGUgdmFs dWUgcmV0dXJuZWQuCgpVc2Vyc3BhY2UgbmVlZHMgdG8ga25vdyB0aGlzIHRvIG1ha2UgYW4gaW5m b3JtZWQgZGVjaXNpb24gYWJvdXQgZXhwb3NpbmcKS0hSX3JvYnVzdG5lc3MuCgpTaWduZWQtb2Zm LWJ5OiBSb2IgQ2xhcmsgPHJvYmRjbGFya0BjaHJvbWl1bS5vcmc+Ci0tLQogZHJpdmVycy9ncHUv ZHJtL21zbS9hZHJlbm8vYWRyZW5vX2dwdS5jIHwgMyArKysKIGluY2x1ZGUvdWFwaS9kcm0vbXNt X2RybS5oICAgICAgICAgICAgICB8IDEgKwogMiBmaWxlcyBjaGFuZ2VkLCA0IGluc2VydGlvbnMo KykKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vbXNtL2FkcmVuby9hZHJlbm9fZ3B1LmMg Yi9kcml2ZXJzL2dwdS9kcm0vbXNtL2FkcmVuby9hZHJlbm9fZ3B1LmMKaW5kZXggMmNmZWUxYTRm ZTBiLi5mYmRmNmYxYzI0N2UgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9tc20vYWRyZW5v L2FkcmVub19ncHUuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vbXNtL2FkcmVuby9hZHJlbm9fZ3B1 LmMKQEAgLTYyLDYgKzYyLDkgQEAgaW50IGFkcmVub19nZXRfcGFyYW0oc3RydWN0IG1zbV9ncHUg KmdwdSwgdWludDMyX3QgcGFyYW0sIHVpbnQ2NF90ICp2YWx1ZSkKIAljYXNlIE1TTV9QQVJBTV9O Ul9SSU5HUzoKIAkJKnZhbHVlID0gZ3B1LT5ucl9yaW5nczsKIAkJcmV0dXJuIDA7CisJY2FzZSBN U01fUEFSQU1fUFBfUEdUQUJMRToKKwkJKnZhbHVlID0gMDsKKwkJcmV0dXJuIDA7CiAJZGVmYXVs dDoKIAkJREJHKCIlczogaW52YWxpZCBwYXJhbTogJXUiLCBncHUtPm5hbWUsIHBhcmFtKTsKIAkJ cmV0dXJuIC1FSU5WQUw7CmRpZmYgLS1naXQgYS9pbmNsdWRlL3VhcGkvZHJtL21zbV9kcm0uaCBi L2luY2x1ZGUvdWFwaS9kcm0vbXNtX2RybS5oCmluZGV4IDkxYTE2YjMzM2M2OS4uYTlmZGNmMTY4 OWNlIDEwMDY0NAotLS0gYS9pbmNsdWRlL3VhcGkvZHJtL21zbV9kcm0uaAorKysgYi9pbmNsdWRl L3VhcGkvZHJtL21zbV9kcm0uaApAQCAtNzQsNiArNzQsNyBAQCBzdHJ1Y3QgZHJtX21zbV90aW1l c3BlYyB7CiAjZGVmaW5lIE1TTV9QQVJBTV9USU1FU1RBTVAgIDB4MDUKICNkZWZpbmUgTVNNX1BB UkFNX0dNRU1fQkFTRSAgMHgwNgogI2RlZmluZSBNU01fUEFSQU1fTlJfUklOR1MgICAweDA3Cisj ZGVmaW5lIE1TTV9QQVJBTV9QUF9QR1RBQkxFIDB4MDggIC8qID0+IDEgZm9yIHBlci1wcm9jZXNz IHBhZ2V0YWJsZXMsIGVsc2UgMCAqLwogCiBzdHJ1Y3QgZHJtX21zbV9wYXJhbSB7CiAJX191MzIg cGlwZTsgICAgICAgICAgIC8qIGluLCBNU01fUElQRV94ICovCi0tIAoyLjIwLjEKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5n IGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVk ZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B628C10F14 for ; 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Tue, 16 Apr 2019 18:31:04 -0700 (PDT) Received: from localhost ([2601:1c0:4501:a35a:719a:233b:28ab:5ad5]) by smtp.gmail.com with ESMTPSA id a12sm62200428pgq.21.2019.04.16.18.31.03 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 16 Apr 2019 18:31:03 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, Rob Clark Subject: [PATCH 1/3] drm/msm/gpu: add per-process pagetables param Date: Tue, 16 Apr 2019 18:30:24 -0700 Message-Id: <20190417013031.555-2-robdclark@gmail.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190417013031.555-1-robdclark@gmail.com> References: <20190417013031.555-1-robdclark@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Message-ID: <20190417013024.HxqvEmhb2jMZiMtMoQ_zSTSKrb2qk6jQg6bm8disVoI@z> From: Rob Clark For now it always returns '0' (false), but once the iommu work is in place to enable per-process pagetables we can update the value returned. Userspace needs to know this to make an informed decision about exposing KHR_robustness. Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 3 +++ include/uapi/drm/msm_drm.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index 2cfee1a4fe0b..fbdf6f1c247e 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -62,6 +62,9 @@ int adreno_get_param(struct msm_gpu *gpu, uint32_t param, uint64_t *value) case MSM_PARAM_NR_RINGS: *value = gpu->nr_rings; return 0; + case MSM_PARAM_PP_PGTABLE: + *value = 0; + return 0; default: DBG("%s: invalid param: %u", gpu->name, param); return -EINVAL; diff --git a/include/uapi/drm/msm_drm.h b/include/uapi/drm/msm_drm.h index 91a16b333c69..a9fdcf1689ce 100644 --- a/include/uapi/drm/msm_drm.h +++ b/include/uapi/drm/msm_drm.h @@ -74,6 +74,7 @@ struct drm_msm_timespec { #define MSM_PARAM_TIMESTAMP 0x05 #define MSM_PARAM_GMEM_BASE 0x06 #define MSM_PARAM_NR_RINGS 0x07 +#define MSM_PARAM_PP_PGTABLE 0x08 /* => 1 for per-process pagetables, else 0 */ struct drm_msm_param { __u32 pipe; /* in, MSM_PIPE_x */ -- 2.20.1