diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/rs600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rs600.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c index a0378c5..d525575 100644 --- a/drivers/gpu/drm/radeon/rs600.c +++ b/drivers/gpu/drm/radeon/rs600.c @@ -135,7 +135,8 @@ void rs600_hpd_init(struct radeon_device *rdev) break; } } - rs600_irq_set(rdev); + if (rdev->irq.installed) + rs600_irq_set(rdev); } void rs600_hpd_fini(struct radeon_device *rdev) @@ -316,6 +317,11 @@ int rs600_irq_set(struct radeon_device *rdev) u32 hpd2 = RREG32(R_007D18_DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~S_007D18_DC_HOT_PLUG_DETECT2_INT_EN(1); + if (!rdev->irq.installed) { + WARN(1, "Can't enable IRQ/MSI because no handler is installed.\n"); + WREG32(R_000040_GEN_INT_CNTL, 0); + return -EINVAL; + } if (rdev->irq.sw_int) { tmp |= S_000040_SW_INT_EN(1); } |
