summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2015-02-06 12:53:27 -0500
committerAlex Deucher <alexander.deucher@amd.com>2015-02-11 12:01:35 -0500
commit410af8d7285a0b96314845c75c39fd612b755688 (patch)
tree2f1fe79a27cb08c95673df0a897e5178f128b77a /drivers/gpu/drm
parenta9c73a0e022c33954835e66fec3cd744af90ec98 (diff)
drm/radeon: only enable kv/kb dpm interrupts once v3
Enable at init and disable on fini. Workaround for hardware problems. v2 (chk): extend commit message v3: add new function Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com> (v2) Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/radeon/cik.c21
-rw-r--r--drivers/gpu/drm/radeon/kv_dpm.c17
2 files changed, 15 insertions, 23 deletions
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index 55944163dfef..e6a4ba236c70 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -7373,7 +7373,6 @@ int cik_irq_set(struct radeon_device *rdev)
u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
u32 grbm_int_cntl = 0;
u32 dma_cntl, dma_cntl1;
- u32 thermal_int;
if (!rdev->irq.installed) {
WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
@@ -7403,13 +7402,6 @@ int cik_irq_set(struct radeon_device *rdev)
cp_m1p0 = RREG32(CP_ME1_PIPE0_INT_CNTL) & ~TIME_STAMP_INT_ENABLE;
- if (rdev->flags & RADEON_IS_IGP)
- thermal_int = RREG32_SMC(CG_THERMAL_INT_CTRL) &
- ~(THERM_INTH_MASK | THERM_INTL_MASK);
- else
- thermal_int = RREG32_SMC(CG_THERMAL_INT) &
- ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
-
/* enable CP interrupts on all rings */
if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
DRM_DEBUG("cik_irq_set: sw int gfx\n");
@@ -7513,14 +7505,6 @@ int cik_irq_set(struct radeon_device *rdev)
hpd6 |= DC_HPDx_INT_EN;
}
- if (rdev->irq.dpm_thermal) {
- DRM_DEBUG("dpm thermal\n");
- if (rdev->flags & RADEON_IS_IGP)
- thermal_int |= THERM_INTH_MASK | THERM_INTL_MASK;
- else
- thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
- }
-
WREG32(CP_INT_CNTL_RING0, cp_int_cntl);
WREG32(SDMA0_CNTL + SDMA0_REGISTER_OFFSET, dma_cntl);
@@ -7567,11 +7551,6 @@ int cik_irq_set(struct radeon_device *rdev)
WREG32(DC_HPD5_INT_CONTROL, hpd5);
WREG32(DC_HPD6_INT_CONTROL, hpd6);
- if (rdev->flags & RADEON_IS_IGP)
- WREG32_SMC(CG_THERMAL_INT_CTRL, thermal_int);
- else
- WREG32_SMC(CG_THERMAL_INT, thermal_int);
-
return 0;
}
diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c
index c5eb286517a8..0e236d067d66 100644
--- a/drivers/gpu/drm/radeon/kv_dpm.c
+++ b/drivers/gpu/drm/radeon/kv_dpm.c
@@ -1169,6 +1169,19 @@ void kv_dpm_enable_bapm(struct radeon_device *rdev, bool enable)
}
}
+static void kv_enable_thermal_int(struct radeon_device *rdev, bool enable)
+{
+ u32 thermal_int;
+
+ thermal_int = RREG32_SMC(CG_THERMAL_INT_CTRL);
+ if (enable)
+ thermal_int |= THERM_INTH_MASK | THERM_INTL_MASK;
+ else
+ thermal_int &= ~(THERM_INTH_MASK | THERM_INTL_MASK);
+ WREG32_SMC(CG_THERMAL_INT_CTRL, thermal_int);
+
+}
+
int kv_dpm_enable(struct radeon_device *rdev)
{
struct kv_power_info *pi = kv_get_pi(rdev);
@@ -1280,8 +1293,7 @@ int kv_dpm_late_enable(struct radeon_device *rdev)
DRM_ERROR("kv_set_thermal_temperature_range failed\n");
return ret;
}
- rdev->irq.dpm_thermal = true;
- radeon_irq_set(rdev);
+ kv_enable_thermal_int(rdev, true);
}
/* powerdown unused blocks for now */
@@ -1312,6 +1324,7 @@ void kv_dpm_disable(struct radeon_device *rdev)
kv_stop_dpm(rdev);
kv_enable_ulv(rdev, false);
kv_reset_am(rdev);
+ kv_enable_thermal_int(rdev, false);
kv_update_current_ps(rdev, rdev->pm.dpm.boot_ps);
}