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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-08-14 07:52:41 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-08-14 07:52:41 +0300 |
commit | 930a93a5ef69ee06057e3ccd8c90b23e98ad3c11 (patch) | |
tree | 632398de05daf76d1c3fdc1e58dc6127b841d312 /drivers/gpu/drm/radeon/radeon_combios.c | |
parent | f43e04ec46b67071d432fc3f368dc9891a3443e5 (diff) | |
parent | 7bac6b46607f2f44075cb45dd5b0b4d2e7c80695 (diff) |
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Radeon and intel fixes mostly, one fix to the mgag200 driver to not
hang on certain server variants."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (32 commits)
drm/radeon: fix typo in function header comment
drm/radeon/kms: implement timestamp userspace query (v2)
drm/radeon/kms: add MSAA texture support for r600-evergreen
drm/radeon/kms: reorder code in r600_check_texture_resource
drm/radeon: fence virtual address and free it once idle v4
drm/radeon: fix some missing parens in asic macros
drm/radeon: add some new SI pci ids
drm/radeon: fix ordering in pll picking on dce4+
drm/radeon: do not reenable crtc after moving vram start address
drm/radeon: fix bank tiling parameters on cayman
drm/radeon: fix bank tiling parameters on evergreen
drm/radeon: fix bank tiling parameters on SI
drm/radeon: properly handle crtc powergating
drm/radeon: properly handle SS overrides on TN (v2)
drm/radeon/dce4+: set a more reasonable cursor watermark
drm/radeon: fix handling for ddc type 5 on combios
drm/mgag200: fix G200ER pll picking algorithm
drm/edid: Fix potential memory leak in edid_load()
drm/udl: Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(.. [1]
drm/radeon/kms: allow "invalid" DB formats as a means to disable DB
...
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_combios.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_combios.c | 57 |
1 files changed, 36 insertions, 21 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c index 576f4f6919f..f75247d42ff 100644 --- a/drivers/gpu/drm/radeon/radeon_combios.c +++ b/drivers/gpu/drm/radeon/radeon_combios.c @@ -719,6 +719,34 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde return i2c; } +static struct radeon_i2c_bus_rec radeon_combios_get_i2c_info_from_table(struct radeon_device *rdev) +{ + struct drm_device *dev = rdev->ddev; + struct radeon_i2c_bus_rec i2c; + u16 offset; + u8 id, blocks, clk, data; + int i; + + i2c.valid = false; + + offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE); + if (offset) { + blocks = RBIOS8(offset + 2); + for (i = 0; i < blocks; i++) { + id = RBIOS8(offset + 3 + (i * 5) + 0); + if (id == 136) { + clk = RBIOS8(offset + 3 + (i * 5) + 3); + data = RBIOS8(offset + 3 + (i * 5) + 4); + /* gpiopad */ + i2c = combios_setup_i2c_bus(rdev, DDC_MONID, + (1 << clk), (1 << data)); + break; + } + } + } + return i2c; +} + void radeon_combios_i2c_init(struct radeon_device *rdev) { struct drm_device *dev = rdev->ddev; @@ -755,30 +783,14 @@ void radeon_combios_i2c_init(struct radeon_device *rdev) } else if (rdev->family == CHIP_RS300 || rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) { - u16 offset; - u8 id, blocks, clk, data; - int i; - /* 0x68 */ i2c = combios_setup_i2c_bus(rdev, DDC_CRT2, 0, 0); rdev->i2c_bus[3] = radeon_i2c_create(dev, &i2c, "MONID"); - offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE); - if (offset) { - blocks = RBIOS8(offset + 2); - for (i = 0; i < blocks; i++) { - id = RBIOS8(offset + 3 + (i * 5) + 0); - if (id == 136) { - clk = RBIOS8(offset + 3 + (i * 5) + 3); - data = RBIOS8(offset + 3 + (i * 5) + 4); - /* gpiopad */ - i2c = combios_setup_i2c_bus(rdev, DDC_MONID, - (1 << clk), (1 << data)); - rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK"); - break; - } - } - } + /* gpiopad */ + i2c = radeon_combios_get_i2c_info_from_table(rdev); + if (i2c.valid) + rdev->i2c_bus[4] = radeon_i2c_create(dev, &i2c, "GPIOPAD_MASK"); } else if ((rdev->family == CHIP_R200) || (rdev->family >= CHIP_R300)) { /* 0x68 */ @@ -2321,7 +2333,10 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev) connector = (tmp >> 12) & 0xf; ddc_type = (tmp >> 8) & 0xf; - ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0); + if (ddc_type == 5) + ddc_i2c = radeon_combios_get_i2c_info_from_table(rdev); + else + ddc_i2c = combios_setup_i2c_bus(rdev, ddc_type, 0, 0); switch (connector) { case CONNECTOR_PROPRIETARY_LEGACY: |