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Wed, 4 May 2022 13:48:45 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT044.mail.protection.outlook.com (10.13.173.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5227.15 via Frontend Transport; Wed, 4 May 2022 13:48:45 +0000 Received: from tr4.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 4 May 2022 08:48:44 -0500 From: Alex Deucher To: , , CC: Alex Deucher Subject: [PATCH 1/2] Revert "drm/amdgpu: disable runpm if we are the primary adapter" Date: Wed, 4 May 2022 09:48:32 -0400 Message-ID: <20220504134833.1672728-1-alexander.deucher@amd.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: bfb7d61d-aaa1-41eb-f1bf-08da2dd4cf05 X-MS-TrafficTypeDiagnostic: CH2PR12MB4199:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 May 2022 13:48:45.4842 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bfb7d61d-aaa1-41eb-f1bf-08da2dd4cf05 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT044.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH2PR12MB4199 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org This reverts commit b95dc06af3e683d6b7ddbbae178b2b2a21ee8b2b. This workaround is no longer necessary. We have a better workaround in commit f95af4a9236695 ("drm/amdgpu: don't runtime suspend if there are displays attached (v3)"). Signed-off-by: Alex Deucher Reviewed-by: Javier Martinez Canillas Acked-by: Daniel Vetter --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 - drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 28 ------------------------- drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 6 ------ 3 files changed, 35 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index d557f4db2565..682ec660f2c4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -981,7 +981,6 @@ struct amdgpu_device { bool runpm; bool in_runpm; bool has_pr3; - bool is_fw_fb; bool pm_sysfs_en; bool ucode_sysfs_en; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index ebd37fb19cdb..3c198b2a86db 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -38,7 +38,6 @@ #include #include #include -#include #include "amdgpu.h" #include "amdgpu_irq.h" @@ -1950,26 +1949,6 @@ MODULE_DEVICE_TABLE(pci, pciidlist); static const struct drm_driver amdgpu_kms_driver; -static bool amdgpu_is_fw_framebuffer(resource_size_t base, - resource_size_t size) -{ - bool found = false; -#if IS_REACHABLE(CONFIG_FB) - struct apertures_struct *a; - - a = alloc_apertures(1); - if (!a) - return false; - - a->ranges[0].base = base; - a->ranges[0].size = size; - - found = is_firmware_framebuffer(a); - kfree(a); -#endif - return found; -} - static void amdgpu_get_secondary_funcs(struct amdgpu_device *adev) { struct pci_dev *p = NULL; @@ -2000,8 +1979,6 @@ static int amdgpu_pci_probe(struct pci_dev *pdev, unsigned long flags = ent->driver_data; int ret, retry = 0, i; bool supports_atomic = false; - bool is_fw_fb; - resource_size_t base, size; /* skip devices which are owned by radeon */ for (i = 0; i < ARRAY_SIZE(amdgpu_unsupported_pciidlist); i++) { @@ -2068,10 +2045,6 @@ static int amdgpu_pci_probe(struct pci_dev *pdev, } #endif - base = pci_resource_start(pdev, 0); - size = pci_resource_len(pdev, 0); - is_fw_fb = amdgpu_is_fw_framebuffer(base, size); - /* Get rid of things like offb */ ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &amdgpu_kms_driver); if (ret) @@ -2084,7 +2057,6 @@ static int amdgpu_pci_probe(struct pci_dev *pdev, adev->dev = &pdev->dev; adev->pdev = pdev; ddev = adev_to_drm(adev); - adev->is_fw_fb = is_fw_fb; if (!supports_atomic) ddev->driver_features &= ~DRIVER_ATOMIC; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index 51bb977154eb..497478f8a5d3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -185,12 +185,6 @@ int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags) adev->runpm = true; break; } - /* XXX: disable runtime pm if we are the primary adapter - * to avoid displays being re-enabled after DPMS. - * This needs to be sorted out and fixed properly. - */ - if (adev->is_fw_fb) - adev->runpm = false; amdgpu_runtime_pm_quirk(adev); From patchwork Wed May 4 13:48:33 2022 Content-Type: text/plain; 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Wed, 4 May 2022 13:48:46 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; Received: from SATLEXMB04.amd.com (165.204.84.17) by DM6NAM11FT044.mail.protection.outlook.com (10.13.173.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.5227.15 via Frontend Transport; Wed, 4 May 2022 13:48:45 +0000 Received: from tr4.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 4 May 2022 08:48:45 -0500 From: Alex Deucher To: , , CC: Alex Deucher Subject: [PATCH 2/2] Revert "fbdev: fbmem: add a helper to determine if an aperture is used by a fw fb" Date: Wed, 4 May 2022 09:48:33 -0400 Message-ID: <20220504134833.1672728-2-alexander.deucher@amd.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220504134833.1672728-1-alexander.deucher@amd.com> References: <20220504134833.1672728-1-alexander.deucher@amd.com> MIME-Version: 1.0 X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 54ab7a14-707b-4a11-b241-08da2dd4cf48 X-MS-TrafficTypeDiagnostic: BN6PR1201MB0146:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 May 2022 13:48:45.9217 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 54ab7a14-707b-4a11-b241-08da2dd4cf48 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT044.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR1201MB0146 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org This reverts commit 9a45ac2320d0a6ae01880a30d4b86025fce4061b. This was added a helper for amdgpu to workaround a runtime pm regression caused by a runtime pm fix in efifb. We now have a better workarouund in amdgpu in commit f95af4a9236695 ("drm/amdgpu: don't runtime suspend if there are displays attached (v3)") so this workaround is no longer necessary. Since amdgpu was the only user of this interface, we can remove it. Signed-off-by: Alex Deucher Reviewed-by: Javier Martinez Canillas --- drivers/video/fbdev/core/fbmem.c | 47 -------------------------------- include/linux/fb.h | 1 - 2 files changed, 48 deletions(-) diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index ad9aac06427a..700ac4a83329 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -1783,53 +1783,6 @@ int remove_conflicting_framebuffers(struct apertures_struct *a, } EXPORT_SYMBOL(remove_conflicting_framebuffers); -/** - * is_firmware_framebuffer - detect if firmware-configured framebuffer matches - * @a: memory range, users of which are to be checked - * - * This function checks framebuffer devices (initialized by firmware/bootloader) - * which use memory range described by @a. If @a matchesm the function returns - * true, otherwise false. - */ -bool is_firmware_framebuffer(struct apertures_struct *a) -{ - bool do_free = false; - bool found = false; - int i; - - if (!a) { - a = alloc_apertures(1); - if (!a) - return false; - - a->ranges[0].base = 0; - a->ranges[0].size = ~0; - do_free = true; - } - - mutex_lock(®istration_lock); - /* check all firmware fbs and kick off if the base addr overlaps */ - for_each_registered_fb(i) { - struct apertures_struct *gen_aper; - - if (!(registered_fb[i]->flags & FBINFO_MISC_FIRMWARE)) - continue; - - gen_aper = registered_fb[i]->apertures; - if (fb_do_apertures_overlap(gen_aper, a)) { - found = true; - break; - } - } - mutex_unlock(®istration_lock); - - if (do_free) - kfree(a); - - return found; -} -EXPORT_SYMBOL(is_firmware_framebuffer); - /** * remove_conflicting_pci_framebuffers - remove firmware-configured framebuffers for PCI devices * @pdev: PCI device diff --git a/include/linux/fb.h b/include/linux/fb.h index 9a77ab615c36..147d582dab41 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -612,7 +612,6 @@ extern int remove_conflicting_pci_framebuffers(struct pci_dev *pdev, const char *name); extern int remove_conflicting_framebuffers(struct apertures_struct *a, const char *name, bool primary); -extern bool is_firmware_framebuffer(struct apertures_struct *a); extern int fb_prepare_logo(struct fb_info *fb_info, int rotate); extern int fb_show_logo(struct fb_info *fb_info, int rotate); extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size);