From: Matt Roper Date: Wed, 14 Jun 2023 20:52:02 +0000 (-0700) Subject: drm/xe: Enable PCI device earlier X-Git-Tag: v6.8-rc1~21^2~13^2~571 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=c0ab10ee2ee6a2c423f95154e0842a1b19a4c13b;p=linux-block.git drm/xe: Enable PCI device earlier Newer Intel platforms require that inspect the contents of the GMD_ID registers very early in the driver initialization process to determine the IP version (and proper init sequences), of the platform. Move the general PCI device setup and enablement slightly earlier, before we start trying to peek at the GMD_ID registers. Reviewed-by: Gustavo Sousa Link: https://lore.kernel.org/r/20230614205202.3376752-5-matthew.d.roper@intel.com Signed-off-by: Matt Roper Signed-off-by: Rodrigo Vivi --- diff --git a/drivers/gpu/drm/xe/xe_pci.c b/drivers/gpu/drm/xe/xe_pci.c index 749826548b4a..e130ffe3ab55 100644 --- a/drivers/gpu/drm/xe/xe_pci.c +++ b/drivers/gpu/drm/xe/xe_pci.c @@ -627,10 +627,20 @@ static int xe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) xe_pm_assert_unbounded_bridge(xe); subplatform_desc = find_subplatform(xe, desc); - err = xe_info_init(xe, desc, subplatform_desc); + pci_set_drvdata(pdev, xe); + err = pci_enable_device(pdev); if (err) goto err_drm_put; + pci_set_master(pdev); + + if (pci_enable_msi(pdev) < 0) + drm_dbg(&xe->drm, "can't enable MSI"); + + err = xe_info_init(xe, desc, subplatform_desc); + if (err) + goto err_pci_disable; + drm_dbg(&xe->drm, "%s %s %04x:%04x dgfx:%d gfx:%s (%d.%02d) media:%s (%d.%02d) dma_m_s:%d tc:%d", desc->platform_name, subplatform_desc ? subplatform_desc->name : "", @@ -650,16 +660,6 @@ static int xe_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) xe_step_name(xe->info.step.display), xe_step_name(xe->info.step.basedie)); - pci_set_drvdata(pdev, xe); - err = pci_enable_device(pdev); - if (err) - goto err_drm_put; - - pci_set_master(pdev); - - if (pci_enable_msi(pdev) < 0) - drm_dbg(&xe->drm, "can't enable MSI"); - err = xe_device_probe(xe); if (err) goto err_pci_disable;