From dfdf102000584e38952122c74858e46fa69acc60 Mon Sep 17 00:00:00 2001 From: Nico Huber Date: Sun, 26 Apr 2020 19:26:36 +0200 Subject: intel/gma: Don't bluntly enable I/O The allocator should take care of this. Change-Id: I4ec88ebe23b4dcab069f764decc8b9b0c6e6a142 Signed-off-by: Nico Huber Reviewed-on: https://review.coreboot.org/c/coreboot/+/40726 Reviewed-by: Angel Pons Tested-by: build bot (Jenkins) --- src/northbridge/intel/gm45/gma.c | 2 +- src/northbridge/intel/haswell/gma.c | 2 +- src/northbridge/intel/i945/gma.c | 8 +++----- src/northbridge/intel/ironlake/gma.c | 2 +- src/northbridge/intel/pineview/gma.c | 2 +- src/northbridge/intel/sandybridge/gma.c | 2 +- src/northbridge/intel/x4x/gma.c | 2 +- 7 files changed, 9 insertions(+), 11 deletions(-) (limited to 'src/northbridge') diff --git a/src/northbridge/intel/gm45/gma.c b/src/northbridge/intel/gm45/gma.c index e9bd722da9..b48b3c3100 100644 --- a/src/northbridge/intel/gm45/gma.c +++ b/src/northbridge/intel/gm45/gma.c @@ -154,7 +154,7 @@ static void gma_func0_init(struct device *dev) /* IGD needs to be Bus Master */ reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO; + reg32 |= PCI_COMMAND_MASTER; pci_write_config32(dev, PCI_COMMAND, reg32); gtt_res = find_resource(dev, PCI_BASE_ADDRESS_0); diff --git a/src/northbridge/intel/haswell/gma.c b/src/northbridge/intel/haswell/gma.c index ae9e25704d..fa67fe1982 100644 --- a/src/northbridge/intel/haswell/gma.c +++ b/src/northbridge/intel/haswell/gma.c @@ -464,7 +464,7 @@ static void gma_func0_init(struct device *dev) /* IGD needs to be Bus Master */ reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO; + reg32 |= PCI_COMMAND_MASTER; pci_write_config32(dev, PCI_COMMAND, reg32); /* Init graphics power management */ diff --git a/src/northbridge/intel/i945/gma.c b/src/northbridge/intel/i945/gma.c index 181aee56e7..71ed4c42ea 100644 --- a/src/northbridge/intel/i945/gma.c +++ b/src/northbridge/intel/i945/gma.c @@ -674,8 +674,7 @@ static void gma_func0_init(struct device *dev) /* IGD needs to be Bus Master */ reg32 = pci_read_config32(dev, PCI_COMMAND); - pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER - | PCI_COMMAND_IO | PCI_COMMAND_MEMORY); + pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER); if (CONFIG(MAINBOARD_DO_NATIVE_VGA_INIT)) { int vga_disable = (pci_read_config16(dev, GGC) & 2) >> 1; @@ -717,10 +716,9 @@ static void gma_func1_init(struct device *dev) u32 reg32; u8 val; - /* IGD needs to be Bus Master, also enable IO access */ + /* IGD needs to be Bus Master */ reg32 = pci_read_config32(dev, PCI_COMMAND); - pci_write_config32(dev, PCI_COMMAND, reg32 | - PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO); + pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER); if (get_option(&val, "tft_brightness") == CB_SUCCESS) pci_write_config8(dev, 0xf4, val); diff --git a/src/northbridge/intel/ironlake/gma.c b/src/northbridge/intel/ironlake/gma.c index 6de64fb065..6ba95d30fc 100644 --- a/src/northbridge/intel/ironlake/gma.c +++ b/src/northbridge/intel/ironlake/gma.c @@ -141,7 +141,7 @@ static void gma_func0_init(struct device *dev) /* IGD needs to be Bus Master */ reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO; + reg32 |= PCI_COMMAND_MASTER; pci_write_config32(dev, PCI_COMMAND, reg32); gtt_res = find_resource(dev, PCI_BASE_ADDRESS_0); diff --git a/src/northbridge/intel/pineview/gma.c b/src/northbridge/intel/pineview/gma.c index e2d0d18bad..7e5b236bff 100644 --- a/src/northbridge/intel/pineview/gma.c +++ b/src/northbridge/intel/pineview/gma.c @@ -224,7 +224,7 @@ static void gma_func0_init(struct device *dev) /* IGD needs to be Bus Master */ reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO; + reg32 |= PCI_COMMAND_MASTER; pci_write_config32(dev, PCI_COMMAND, reg32); if (!CONFIG(MAINBOARD_DO_NATIVE_VGA_INIT)) { diff --git a/src/northbridge/intel/sandybridge/gma.c b/src/northbridge/intel/sandybridge/gma.c index 82e43fc575..6e89b4ef35 100644 --- a/src/northbridge/intel/sandybridge/gma.c +++ b/src/northbridge/intel/sandybridge/gma.c @@ -591,7 +591,7 @@ static void gma_func0_init(struct device *dev) /* IGD needs to be Bus Master */ reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO; + reg32 |= PCI_COMMAND_MASTER; pci_write_config32(dev, PCI_COMMAND, reg32); /* Init graphics power management */ diff --git a/src/northbridge/intel/x4x/gma.c b/src/northbridge/intel/x4x/gma.c index 004960fd8c..69b6f7103d 100644 --- a/src/northbridge/intel/x4x/gma.c +++ b/src/northbridge/intel/x4x/gma.c @@ -28,7 +28,7 @@ static void gma_func0_init(struct device *dev) /* IGD needs to be Bus Master */ reg32 = pci_read_config32(dev, PCI_COMMAND); - reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO; + reg32 |= PCI_COMMAND_MASTER; pci_write_config32(dev, PCI_COMMAND, reg32); /* configure GMBUSFREQ */ -- cgit v1.2.3