Even though an error from these functions isn't fatal we still want to
have a diagnostic message about it.
v2:
- Don't do assignments in if statements. (Jani)
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem_gtt.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 8bab4ae..0178c9e 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2741,13 +2741,17 @@ static int gen8_gmch_probe(struct i915_ggtt *ggtt)
struct pci_dev *pdev = dev_priv->drm.pdev;
unsigned int size;
u16 snb_gmch_ctl;
+ int err;
/* TODO: We're not aware of mappable constraints on gen8 yet */
ggtt->mappable_base = pci_resource_start(pdev, 2);
ggtt->mappable_end = pci_resource_len(pdev, 2);
- if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(39)))
- pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(39));
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(39));
+ if (!err)
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(39));
+ if (err)
+ DRM_ERROR("Can't set DMA mask/consistent mask (%d)\n", err);
pci_read_config_word(pdev, SNB_GMCH_CTRL, &snb_gmch_ctl);
@@ -2790,6 +2794,7 @@ static int gen6_gmch_probe(struct i915_ggtt *ggtt)
struct pci_dev *pdev = dev_priv->drm.pdev;
unsigned int size;
u16 snb_gmch_ctl;
+ int err;
ggtt->mappable_base = pci_resource_start(pdev, 2);
ggtt->mappable_end = pci_resource_len(pdev, 2);
@@ -2802,8 +2807,11 @@ static int gen6_gmch_probe(struct i915_ggtt *ggtt)
return -ENXIO;
}
- if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(40)))
- pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40));
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(40));
+ if (!err)
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(40));
+ if (err)
+ DRM_ERROR("Can't set DMA mask/consistent mask (%d)\n", err);
pci_read_config_word(pdev, SNB_GMCH_CTRL, &snb_gmch_ctl);
ggtt->stolen_size = gen6_get_stolen_size(snb_gmch_ctl);
--
2.5.0
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