From: Huacai Chen <chenhuacai@loongson.cn>
To: David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Bjorn Helgaas <bhelgaas@google.com>
Cc: linux-pci@vger.kernel.org, dri-devel@lists.freedesktop.org,
Xuefeng Li <lixuefeng@loongson.cn>,
Huacai Chen <chenhuacai@gmail.com>,
Huacai Chen <chenhuacai@loongson.cn>
Subject: [PATCH V6 05/12] PCI/VGA: Prefer VGA device belongs to integrated GPU
Date: Thu, 16 Sep 2021 16:29:34 +0800 [thread overview]
Message-ID: <20210916082941.3421838-6-chenhuacai@loongson.cn> (raw)
In-Reply-To: <20210916082941.3421838-1-chenhuacai@loongson.cn>
This patch is the third step of the rework: A VGA device belongs to
integrated GPU is more preferred than those not belong to.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---
drivers/gpu/vga/vgaarb.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index 1ffc3decc9cb..1daf2a011f83 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -605,6 +605,11 @@ static void vga_arb_update_default_device(struct vga_device *vgadev)
vgaarb_info(dev, "overriding boot VGA device\n");
vga_set_default_device(pdev);
}
+
+ if (vga_arb_integrated_gpu(dev) && vgadev->pdev != vga_default_device()) {
+ vgaarb_info(dev, "overriding boot VGA device\n");
+ vga_set_default_device(pdev);
+ }
}
/*
--
2.27.0
next prev parent reply other threads:[~2021-09-16 8:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-16 8:29 [PATCH V6 00/12] PCI/VGA: Rework default VGA device selection Huacai Chen
2021-09-16 8:29 ` [PATCH V6 01/12] PCI/VGA: Prefer vga_default_device() Huacai Chen
2021-09-16 8:29 ` [PATCH V6 02/12] PCI/VGA: Move vga_arb_integrated_gpu() earlier in file Huacai Chen
2021-09-16 8:29 ` [PATCH V6 03/12] PCI/VGA: Split out vga_arb_update_default_device() Huacai Chen
2021-09-16 8:29 ` [PATCH V6 04/12] PCI/VGA: Prefer VGA device with legacy I/O enabled Huacai Chen
2021-09-16 8:29 ` Huacai Chen [this message]
2021-09-16 8:29 ` [PATCH V6 06/12] PCI/VGA: Prefer VGA device owns the firmware framebuffer Huacai Chen
2021-09-16 8:29 ` [PATCH V6 07/12] PCI/VGA: Remove vga_arb_select_default_device() Huacai Chen
2021-09-16 8:29 ` [PATCH V6 08/12] PCI/VGA: Remove empty vga_arb_device_card_gone() Huacai Chen
2021-09-16 8:29 ` [PATCH V6 09/12] PCI/VGA: Log bridge control messages when adding devices Huacai Chen
2021-09-16 8:29 ` [PATCH V6 10/12] PCI/VGA: Use unsigned format string to print lock counts Huacai Chen
2021-09-16 8:29 ` [PATCH V6 11/12] PCI/VGA: Replace full MIT license text with SPDX identifier Huacai Chen
2021-09-16 8:29 ` [PATCH V6 12/12] PCI/VGA: Move vgaarb to drivers/pci Huacai Chen
2021-09-26 3:07 ` Huacai Chen
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