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path: root/drivers/gpu/drm/radeon/r600.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
-rw-r--r--drivers/gpu/drm/radeon/r600.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index ea4d3734e6d9..2a1b1876b431 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -119,6 +119,11 @@ u32 r600_get_xclk(struct radeon_device *rdev)
return rdev->clock.spll.reference_freq;
}
+int r600_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
+{
+ return 0;
+}
+
/* get temperature in millidegrees */
int rv6xx_get_temp(struct radeon_device *rdev)
{
@@ -1045,20 +1050,27 @@ int r600_mc_wait_for_idle(struct radeon_device *rdev)
uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg)
{
+ unsigned long flags;
uint32_t r;
+ spin_lock_irqsave(&rdev->mc_idx_lock, flags);
WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg));
r = RREG32(R_0028FC_MC_DATA);
WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR);
+ spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
return r;
}
void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
{
+ unsigned long flags;
+
+ spin_lock_irqsave(&rdev->mc_idx_lock, flags);
WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) |
S_0028F8_MC_IND_WR_EN(1));
WREG32(R_0028FC_MC_DATA, v);
WREG32(R_0028F8_MC_INDEX, 0x7F);
+ spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
}
static void r600_mc_program(struct radeon_device *rdev)
@@ -2092,20 +2104,27 @@ static void r600_gpu_init(struct radeon_device *rdev)
*/
u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
{
+ unsigned long flags;
u32 r;
+ spin_lock_irqsave(&rdev->pciep_idx_lock, flags);
WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
(void)RREG32(PCIE_PORT_INDEX);
r = RREG32(PCIE_PORT_DATA);
+ spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags);
return r;
}
void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
{
+ unsigned long flags;
+
+ spin_lock_irqsave(&rdev->pciep_idx_lock, flags);
WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
(void)RREG32(PCIE_PORT_INDEX);
WREG32(PCIE_PORT_DATA, (v));
(void)RREG32(PCIE_PORT_DATA);
+ spin_unlock_irqrestore(&rdev->pciep_idx_lock, flags);
}
/*