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| author | James Morris <jmorris@namei.org> | 2011-03-08 10:55:06 +1100 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-03-08 10:55:06 +1100 |
| commit | 1cc26bada9f6807814806db2f0d78792eecdac71 (patch) | |
| tree | 5509b5139db04af6c13db0a580c84116a4a54039 /drivers/gpu/drm/radeon/radeon_bios.c | |
| parent | eae61f3c829439f8f9121b5cd48a14be04df451f (diff) | |
| parent | 214d93b02c4fe93638ad268613c9702a81ed9192 (diff) | |
Merge branch 'master'; commit 'v2.6.38-rc7' into next
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_bios.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_bios.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c index 8f2c7b50dcf5..1aba85cad1a8 100644 --- a/drivers/gpu/drm/radeon/radeon_bios.c +++ b/drivers/gpu/drm/radeon/radeon_bios.c @@ -131,6 +131,45 @@ static bool radeon_atrm_get_bios(struct radeon_device *rdev) return true; } +static bool ni_read_disabled_bios(struct radeon_device *rdev) +{ + u32 bus_cntl; + u32 d1vga_control; + u32 d2vga_control; + u32 vga_render_control; + u32 rom_cntl; + bool r; + + bus_cntl = RREG32(R600_BUS_CNTL); + d1vga_control = RREG32(AVIVO_D1VGA_CONTROL); + d2vga_control = RREG32(AVIVO_D2VGA_CONTROL); + vga_render_control = RREG32(AVIVO_VGA_RENDER_CONTROL); + rom_cntl = RREG32(R600_ROM_CNTL); + + /* enable the rom */ + WREG32(R600_BUS_CNTL, (bus_cntl & ~R600_BIOS_ROM_DIS)); + /* Disable VGA mode */ + WREG32(AVIVO_D1VGA_CONTROL, + (d1vga_control & ~(AVIVO_DVGA_CONTROL_MODE_ENABLE | + AVIVO_DVGA_CONTROL_TIMING_SELECT))); + WREG32(AVIVO_D2VGA_CONTROL, + (d2vga_control & ~(AVIVO_DVGA_CONTROL_MODE_ENABLE | + AVIVO_DVGA_CONTROL_TIMING_SELECT))); + WREG32(AVIVO_VGA_RENDER_CONTROL, + (vga_render_control & ~AVIVO_VGA_VSTATUS_CNTL_MASK)); + WREG32(R600_ROM_CNTL, rom_cntl | R600_SCK_OVERWRITE); + + r = radeon_read_bios(rdev); + + /* restore regs */ + WREG32(R600_BUS_CNTL, bus_cntl); + WREG32(AVIVO_D1VGA_CONTROL, d1vga_control); + WREG32(AVIVO_D2VGA_CONTROL, d2vga_control); + WREG32(AVIVO_VGA_RENDER_CONTROL, vga_render_control); + WREG32(R600_ROM_CNTL, rom_cntl); + return r; +} + static bool r700_read_disabled_bios(struct radeon_device *rdev) { uint32_t viph_control; @@ -416,6 +455,8 @@ static bool radeon_read_disabled_bios(struct radeon_device *rdev) { if (rdev->flags & RADEON_IS_IGP) return igp_read_bios_from_vram(rdev); + else if (rdev->family >= CHIP_BARTS) + return ni_read_disabled_bios(rdev); else if (rdev->family >= CHIP_RV770) return r700_read_disabled_bios(rdev); else if (rdev->family >= CHIP_R600) |