diff options
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/i915/intel_i2c.c | 20 | ||||
-rw-r--r-- | drivers/gpu/drm/i915/intel_sdvo.c | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 7 | ||||
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 15 | ||||
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_vm.c | 17 |
5 files changed, 46 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index 56e437e31580..ae628001fd97 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -435,7 +435,7 @@ gmbus_xfer(struct i2c_adapter *adapter, struct intel_gmbus, adapter); struct drm_i915_private *dev_priv = bus->dev_priv; - int i, reg_offset; + int i = 0, inc, try = 0, reg_offset; int ret = 0; intel_aux_display_runtime_get(dev_priv); @@ -448,12 +448,14 @@ gmbus_xfer(struct i2c_adapter *adapter, reg_offset = dev_priv->gpio_mmio_base; +retry: I915_WRITE(GMBUS0 + reg_offset, bus->reg0); - for (i = 0; i < num; i++) { + for (; i < num; i += inc) { + inc = 1; if (gmbus_is_index_read(msgs, i, num)) { ret = gmbus_xfer_index_read(dev_priv, &msgs[i]); - i += 1; /* set i to the index of the read xfer */ + inc = 2; /* an index read is two msgs */ } else if (msgs[i].flags & I2C_M_RD) { ret = gmbus_xfer_read(dev_priv, &msgs[i], 0); } else { @@ -525,6 +527,18 @@ clear_err: adapter->name, msgs[i].addr, (msgs[i].flags & I2C_M_RD) ? 'r' : 'w', msgs[i].len); + /* + * Passive adapters sometimes NAK the first probe. Retry the first + * message once on -ENXIO for GMBUS transfers; the bit banging algorithm + * has retries internally. See also the retry loop in + * drm_do_probe_ddc_edid, which bails out on the first -ENXIO. + */ + if (ret == -ENXIO && i == 0 && try++ == 0) { + DRM_DEBUG_KMS("GMBUS [%s] NAK on first message, retry\n", + adapter->name); + goto retry; + } + goto out; timeout: diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index e87d2f418de4..987b81f31b0e 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -2550,7 +2550,7 @@ intel_sdvo_analog_init(struct intel_sdvo *intel_sdvo, int device) DRM_DEBUG_KMS("initialising analog device %d\n", device); - intel_sdvo_connector = kzalloc(sizeof(*intel_sdvo_connector), GFP_KERNEL); + intel_sdvo_connector = intel_sdvo_connector_alloc(); if (!intel_sdvo_connector) return false; diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index e597ffc26563..dac78ad24b31 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -580,9 +580,6 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc, else radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; - /* if there is no audio, set MINM_OVER_MAXP */ - if (!drm_detect_monitor_audio(radeon_connector_edid(connector))) - radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP; if (rdev->family < CHIP_RV770) radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP; /* use frac fb div on APUs */ @@ -1798,9 +1795,7 @@ static int radeon_get_shared_nondp_ppll(struct drm_crtc *crtc) if ((crtc->mode.clock == test_crtc->mode.clock) && (adjusted_clock == test_adjusted_clock) && (radeon_crtc->ss_enabled == test_radeon_crtc->ss_enabled) && - (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) && - (drm_detect_monitor_audio(radeon_connector_edid(test_radeon_crtc->connector)) == - drm_detect_monitor_audio(radeon_connector_edid(radeon_crtc->connector)))) + (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)) return test_radeon_crtc->pll_id; } } diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index b7ca4c514621..a7fdfa4f0857 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1463,6 +1463,21 @@ int radeon_device_init(struct radeon_device *rdev, if (r) DRM_ERROR("ib ring test failed (%d).\n", r); + /* + * Turks/Thames GPU will freeze whole laptop if DPM is not restarted + * after the CP ring have chew one packet at least. Hence here we stop + * and restart DPM after the radeon_ib_ring_tests(). + */ + if (rdev->pm.dpm_enabled && + (rdev->pm.pm_method == PM_METHOD_DPM) && + (rdev->family == CHIP_TURKS) && + (rdev->flags & RADEON_IS_MOBILITY)) { + mutex_lock(&rdev->pm.mutex); + radeon_dpm_disable(rdev); + radeon_dpm_enable(rdev); + mutex_unlock(&rdev->pm.mutex); + } + if ((radeon_testing & 1)) { if (rdev->accel_working) radeon_test_moves(rdev); diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index de42fc4a22b8..9c3377ca17b7 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -458,14 +458,16 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev, /* make sure object fit at this offset */ eoffset = soffset + size; if (soffset >= eoffset) { - return -EINVAL; + r = -EINVAL; + goto error_unreserve; } last_pfn = eoffset / RADEON_GPU_PAGE_SIZE; if (last_pfn > rdev->vm_manager.max_pfn) { dev_err(rdev->dev, "va above limit (0x%08X > 0x%08X)\n", last_pfn, rdev->vm_manager.max_pfn); - return -EINVAL; + r = -EINVAL; + goto error_unreserve; } } else { @@ -486,7 +488,8 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev, "(bo %p 0x%010lx 0x%010lx)\n", bo_va->bo, soffset, tmp->bo, tmp->it.start, tmp->it.last); mutex_unlock(&vm->mutex); - return -EINVAL; + r = -EINVAL; + goto error_unreserve; } } @@ -497,7 +500,8 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev, tmp = kzalloc(sizeof(struct radeon_bo_va), GFP_KERNEL); if (!tmp) { mutex_unlock(&vm->mutex); - return -ENOMEM; + r = -ENOMEM; + goto error_unreserve; } tmp->it.start = bo_va->it.start; tmp->it.last = bo_va->it.last; @@ -555,7 +559,6 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev, r = radeon_vm_clear_bo(rdev, pt); if (r) { radeon_bo_unref(&pt); - radeon_bo_reserve(bo_va->bo, false); return r; } @@ -575,6 +578,10 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev, mutex_unlock(&vm->mutex); return 0; + +error_unreserve: + radeon_bo_unreserve(bo_va->bo); + return r; } /** |