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Diffstat (limited to 'drivers/gpu/drm/Kconfig')
| -rw-r--r-- | drivers/gpu/drm/Kconfig | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig index 736b7e67e4ec..4385f00e1d05 100644 --- a/drivers/gpu/drm/Kconfig +++ b/drivers/gpu/drm/Kconfig @@ -110,6 +110,26 @@ config DRM_FBDEV_OVERALLOC is 100. Typical values for double buffering will be 200, triple buffering 300. +config DRM_FBDEV_LEAK_PHYS_SMEM + bool "Shamelessly allow leaking of fbdev physical address (DANGEROUS)" + depends on DRM_FBDEV_EMULATION && EXPERT + default n + help + In order to keep user-space compatibility, we want in certain + use-cases to keep leaking the fbdev physical address to the + user-space program handling the fbdev buffer. + This affects, not only, Amlogic, Allwinner or Rockchip devices + with ARM Mali GPUs using an userspace Blob. + This option is not supported by upstream developers and should be + removed as soon as possible and be considered as a broken and + legacy behaviour from a modern fbdev device driver. + + Please send any bug reports when using this to your proprietary + software vendor that requires this. + + If in doubt, say "N" or spread the word to your closed source + library vendor. + config DRM_LOAD_EDID_FIRMWARE bool "Allow to specify an EDID data set instead of probing for it" depends on DRM |