diff options
Diffstat (limited to 'resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60')
| -rw-r--r-- | resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0001-i945-Enable-changing-VRAM-size.patch | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0001-i945-Enable-changing-VRAM-size.patch b/resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0001-i945-Enable-changing-VRAM-size.patch deleted file mode 100644 index ce1d37c0..00000000 --- a/resources/libreboot/patch/coreboot/29fc9bb855cb878aee263cd1fe110e3bb3e98c80/grub/x60/0001-i945-Enable-changing-VRAM-size.patch +++ /dev/null @@ -1,158 +0,0 @@ -From 44b3d02a49bc25dc8e9119a11bd948db2c37a931 Mon Sep 17 00:00:00 2001 -From: Arthur Heymans <arthur@aheymans.xyz> -Date: Sun, 15 May 2016 02:17:12 +0200 -Subject: [PATCH] i945: Enable changing VRAM size - -On i945 the vram size was the default 8mb. It was also possible -to set it 1mb or 0mb hardcoding the GGC register in early_init.c - -The intel documentation on i945 only documents those three options. -They are set using 3 bits. The documententation also makes mention -of 4mb, 16mb, 32mb, 48mb, 64mb but not how to set it. - -The other non documented (straight forward) bit combinations allows -to change the VRAM size to those other states. - -Change-Id: I5e510e81322a4c8315c01b7963ac4b5f7f58a17e -Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> - -diff --git a/src/northbridge/intel/i945/Kconfig b/src/northbridge/intel/i945/Kconfig -index 6e8d35b..484ed78 100644 ---- a/src/northbridge/intel/i945/Kconfig -+++ b/src/northbridge/intel/i945/Kconfig -@@ -72,3 +72,56 @@ config CHECK_SLFRCS_ON_RESUME - effectively making it impossible to resume. - - endif -+ -+config VRAM_CHOICE -+ bool -+choice -+ prompt "VRAM Size" -+ depends on NORTHBRIDGE_INTEL_I945 -+ default VRAM_SIZE_8MB -+ help -+ Set the size of vram that the integrated graphic device can use -+ for a framebuffer. -+ -+config VRAM_SIZE_1MB -+ bool "1 MB" -+ help -+ Set VRAM size to 1MB. -+config VRAM_SIZE_4MB -+ bool "4 MB" -+ help -+ Set VRAM size to 4MB. -+config VRAM_SIZE_8MB -+ bool "8 MB" -+ help -+ Set VRAM size to 8MB. -+config VRAM_SIZE_16MB -+ bool "16 MB" -+ help -+ Set VRAM size to 16MB. -+config VRAM_SIZE_32MB -+ bool "32 MB" -+ help -+ Set VRAM size to 32MB. -+config VRAM_SIZE_48MB -+ bool "48 MB" -+ help -+ Set VRAM size to 48MB. -+config VRAM_SIZE_64MB -+ bool "64 MB" -+ help -+ Set VRAM size to 64MB. -+ -+endchoice -+ -+config VRAM_SIZE -+ hex -+ default 0x10 if VRAM_SIZE_1MB -+ default 0x20 if VRAM_SIZE_4MB -+ default 0x30 if VRAM_SIZE_8MB -+ default 0x40 if VRAM_SIZE_16MB -+ default 0x50 if VRAM_SIZE_32MB -+ default 0x60 if VRAM_SIZE_48MB -+ default 0x70 if VRAM_SIZE_64MB -+ help -+ map the vram sizes to an integer. -diff --git a/src/northbridge/intel/i945/early_init.c b/src/northbridge/intel/i945/early_init.c -index 475e88a..bd062ad 100644 ---- a/src/northbridge/intel/i945/early_init.c -+++ b/src/northbridge/intel/i945/early_init.c -@@ -177,11 +177,8 @@ static void i945_setup_bars(void) - pci_write_config32(PCI_DEV(0, 0x00, 0), DMIBAR, (uintptr_t)DEFAULT_DMIBAR | 1); - pci_write_config32(PCI_DEV(0, 0x00, 0), X60BAR, DEFAULT_X60BAR | 1); - -- /* Hardware default is 8MB UMA. If someone wants to make this a -- * CMOS or compile time option, send a patch. -- * pci_write_config16(PCI_DEV(0, 0x00, 0), GGC, 0x30); -- */ -- -+ /* Sets up VRAM size from the build option VRAM_SIZE */ -+ pci_write_config16(PCI_DEV(0, 0x00, 0), GGC, CONFIG_VRAM_SIZE); - /* Set C0000-FFFFF to access RAM on both reads and writes */ - pci_write_config8(PCI_DEV(0, 0x00, 0), PAM0, 0x30); - pci_write_config8(PCI_DEV(0, 0x00, 0), PAM1, 0x33); -diff --git a/src/northbridge/intel/i945/gma.c b/src/northbridge/intel/i945/gma.c -index df13ef4..f853cc8 100644 ---- a/src/northbridge/intel/i945/gma.c -+++ b/src/northbridge/intel/i945/gma.c -@@ -359,9 +359,24 @@ static int intel_gma_init(struct northbridge_intel_i945_config *conf, - case 1: - uma_size = 1024; - break; -+ case 2: -+ uma_size = 4096; -+ break; - case 3: - uma_size = 8192; - break; -+ case 4: -+ uma_size = 16384; -+ break; -+ case 5: -+ uma_size = 32768; -+ break; -+ case 6: -+ uma_size = 49152; -+ break; -+ case 7: -+ uma_size = 65536; -+ break; - } - - printk(BIOS_DEBUG, "%dM UMA\n", uma_size >> 10); -diff --git a/src/northbridge/intel/i945/northbridge.c b/src/northbridge/intel/i945/northbridge.c -index 514f88c..4be9827 100644 ---- a/src/northbridge/intel/i945/northbridge.c -+++ b/src/northbridge/intel/i945/northbridge.c -@@ -112,9 +112,24 @@ static void pci_domain_set_resources(device_t dev) - case 1: - uma_size = 1024; - break; -+ case 2: -+ uma_size = 4096; -+ break; - case 3: - uma_size = 8192; - break; -+ case 4: -+ uma_size = 16384; -+ break; -+ case 5: -+ uma_size = 32768; -+ break; -+ case 6: -+ uma_size = 49152; -+ break; -+ case 7: -+ uma_size = 65536; -+ break; - } - - printk(BIOS_DEBUG, "%dM UMA\n", uma_size >> 10); --- -2.8.2 - |