diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 19:13:28 -0700 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-04-14 19:13:28 -0700 |
commit | 11b397e6eb12191300ca19290f29f51f61118953 (patch) | |
tree | 6e0f8cb52cbcdb02108755f3d643a025a943bd79 /drivers/gpu/drm/radeon | |
parent | e1c969f7814dcd23bbfe8d777544321a492b6fee (diff) | |
parent | 41ef2d5678d83af030125550329b6ae8b74618fa (diff) |
Merge 3.9-rc7 intp tty-next
We want the fixes here.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/radeon')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_bios.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c index b8015913d38..fa3c56fba29 100644 --- a/drivers/gpu/drm/radeon/radeon_bios.c +++ b/drivers/gpu/drm/radeon/radeon_bios.c @@ -99,6 +99,29 @@ static bool radeon_read_bios(struct radeon_device *rdev) return true; } +static bool radeon_read_platform_bios(struct radeon_device *rdev) +{ + uint8_t __iomem *bios; + size_t size; + + rdev->bios = NULL; + + bios = pci_platform_rom(rdev->pdev, &size); + if (!bios) { + return false; + } + + if (size == 0 || bios[0] != 0x55 || bios[1] != 0xaa) { + return false; + } + rdev->bios = kmemdup(bios, size, GFP_KERNEL); + if (rdev->bios == NULL) { + return false; + } + + return true; +} + #ifdef CONFIG_ACPI /* ATRM is used to get the BIOS on the discrete cards in * dual-gpu systems. @@ -620,6 +643,9 @@ bool radeon_get_bios(struct radeon_device *rdev) if (r == false) { r = radeon_read_disabled_bios(rdev); } + if (r == false) { + r = radeon_read_platform_bios(rdev); + } if (r == false || rdev->bios == NULL) { DRM_ERROR("Unable to locate a BIOS ROM\n"); rdev->bios = NULL; |