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17 May 2024, 11:00:25 UTC
Revision 6ba5b613837c5d997ad8297b22fc46cd0be58d76 authored by Alex Deucher on 09 November 2023, 20:31:00 UTC, committed by Alex Deucher on 17 November 2023, 05:58:20 UTC 
drm/amdgpu: add a module parameter to control the AGP aperture
 
Add a module parameter to control the AGP aperture.  The AGP
aperture is an aperture in the GPU's internal address space
which provides direct non-paged access to the platform address
space.  This access is non-snooped so only uncached memory
can be accessed.

Add a knob so that we can toggle this for debugging.

Fixes: 67318cb84341 ("drm/amdgpu/gmc11: set gart placement GC11")
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Mario Limonciello <mario.limonciello@amd.com> # PHX & Navi33
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 parent 564ca1b
Raw File
Tip revision: 6ba5b613837c5d997ad8297b22fc46cd0be58d76 authored by Alex Deucher on 09 November 2023, 20:31:00 UTC
drm/amdgpu: add a module parameter to control the AGP aperture
Tip revision: 6ba5b61
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