[PATCH v1 2/2] drivers/gpu/drm: don't select DMA_CMA or CMA from aspeed or etnaviv
From: David Hildenbrand <hidden>
Date: 2021-04-08 09:20:49
Also in:
dri-devel, linux-aspeed, linux-fbdev, linux-mm, lkml
Subsystem:
drm driver for aspeed bmc gfx, drm drivers, drm drivers and misc gpu patches, drm drivers for vivante gpu ip, the rest · Maintainers:
Joel Stanley, David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Lucas Stach, Linus Torvalds
Random drivers should not override a user configuration of core knobs (e.g., CONFIG_DMA_CMA=n). Use "imply" instead, to still respect dependencies and manual overrides. "This is similar to "select" as it enforces a lower limit on another symbol except that the "implied" symbol's value may still be set to n from a direct dependency or with a visible prompt." Implying DRM_CMA should be sufficient, as that depends on CMA. Note: If this is a real dependency, we should use "depends on DMA_CMA" instead - but I assume the driver can work without CMA just fine -- esp. when we wouldn't have HAVE_DMA_CONTIGUOUS right now. Signed-off-by: David Hildenbrand <redacted> --- drivers/gpu/drm/aspeed/Kconfig | 3 +-- drivers/gpu/drm/etnaviv/Kconfig | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/aspeed/Kconfig b/drivers/gpu/drm/aspeed/Kconfig
index 5e95bcea43e9..a055f763d230 100644
--- a/drivers/gpu/drm/aspeed/Kconfig
+++ b/drivers/gpu/drm/aspeed/Kconfig@@ -6,9 +6,8 @@ config DRM_ASPEED_GFX depends on MMU select DRM_KMS_HELPER select DRM_KMS_CMA_HELPER - select DMA_CMA if HAVE_DMA_CONTIGUOUS - select CMA if HAVE_DMA_CONTIGUOUS select MFD_SYSCON + imply DRM_CMA help Chose this option if you have an ASPEED AST2500 SOC Display Controller (aka GFX).
diff --git a/drivers/gpu/drm/etnaviv/Kconfig b/drivers/gpu/drm/etnaviv/Kconfig
index faa7fc68b009..5f5576b7221a 100644
--- a/drivers/gpu/drm/etnaviv/Kconfig
+++ b/drivers/gpu/drm/etnaviv/Kconfig@@ -9,9 +9,8 @@ config DRM_ETNAVIV select THERMAL if DRM_ETNAVIV_THERMAL select TMPFS select WANT_DEV_COREDUMP - select CMA if HAVE_DMA_CONTIGUOUS - select DMA_CMA if HAVE_DMA_CONTIGUOUS select DRM_SCHED + imply DMA_CMA help DRM driver for Vivante GPUs.
--
2.30.2
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