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drm/amdgpu: reduce ip discovery data reading size

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Only read first 4K data instead of whole TMR block,
so we can reduce the time in full access mode.

Signed-off-by: Wenhui Sheng <Wenhui.Sheng@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wenhui Sheng
2020-06-24 17:10:02 +08:00
committed by Alex Deucher
parent e3a4d51c76
commit d215a2a3a3
2 changed files with 3 additions and 2 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h
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@@ -24,7 +24,8 @@
#ifndef __AMDGPU_DISCOVERY__
#define __AMDGPU_DISCOVERY__
#define DISCOVERY_TMR_SIZE (64 << 10)
#define DISCOVERY_TMR_SIZE (4 << 10)
#define DISCOVERY_TMR_OFFSET (64 << 10)
void amdgpu_discovery_fini(struct amdgpu_device *adev);
int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev);