drm/msm: don't return NULL from msm_iommu_new()

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As we've dropped no-IOMMU support, there is no reason to specially
handle the no-IOMMU case inside msm_iommu_new(). Make it return -ENODEV
if there is no IOMMU (instead of returning NULL) and simplify all
calling sites accordingly.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/672561/
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>

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This commit is contained in:

Dmitry Baryshkov 2025-09-03 13:51:51 +03:00 • committed by Rob Clark

parent c94fc6d356

commit 618c11ea0b

5 changed files with 16 additions and 18 deletions

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2

drivers/gpu/drm/msm/adreno/a6xx_gmu.c

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4

drivers/gpu/drm/msm/adreno/adreno_gpu.c

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10

drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c

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6

drivers/gpu/drm/msm/msm_iommu.c

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12

drivers/gpu/drm/msm/msm_kms.c

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