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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-25 19:59:04 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-25 19:59:04 +0400 |
| commit | e2aad1d5716c5f7fa5deb4a96e6b6a4e9f24e78b (patch) | |
| tree | 389fbdf161a3c28c9b2f98fdc1ccd89d474ef884 /drivers/gpu/drm/radeon/r100.c | |
| parent | 3ffdea3feca9e2c95c2e93e217d77c9c368f747a (diff) | |
| parent | 4a10c2ac2f368583138b774ca41fac4207911983 (diff) | |
| download | linux-e2aad1d5716c5f7fa5deb4a96e6b6a4e9f24e78b.tar.xz | |
Merge 3.12-rc2 into staging-next.
This resolves the merge problem with two iio drivers that Stephen
Rothwell pointed out.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 9fc61dd68bc0..24175717307b 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -2853,21 +2853,28 @@ static void r100_pll_errata_after_data(struct radeon_device *rdev) uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg) { + unsigned long flags; uint32_t data; + spin_lock_irqsave(&rdev->pll_idx_lock, flags); WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f); r100_pll_errata_after_index(rdev); data = RREG32(RADEON_CLOCK_CNTL_DATA); r100_pll_errata_after_data(rdev); + spin_unlock_irqrestore(&rdev->pll_idx_lock, flags); return data; } void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) { + unsigned long flags; + + spin_lock_irqsave(&rdev->pll_idx_lock, flags); WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN)); r100_pll_errata_after_index(rdev); WREG32(RADEON_CLOCK_CNTL_DATA, v); r100_pll_errata_after_data(rdev); + spin_unlock_irqrestore(&rdev->pll_idx_lock, flags); } static void r100_set_safe_registers(struct radeon_device *rdev) |