drm/amdgpu: add vram reservation based on vram_usagebyfirmware_v2_2

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commit 4864f2ee9e upstream

Move TMR region from top of FB to 2MB for FFBM, so we need to
reserve TMR region firstly to make sure TMR can be allocated at 2MB

Signed-off-by: Tong Liu01 <Tong.Liu01@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Tong Liu01 2023-08-08 12:50:53 -05:00 • committed by Greg Kroah-Hartman

parent 99255a2b68

commit 526defeec4

4 changed files with 191 additions and 32 deletions

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104

drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c

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51

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

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5

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h

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63

drivers/gpu/drm/amd/include/atomfirmware.h

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