diff options
author | Tianci.Yin <tianci.yin@amd.com> | 2019-09-30 13:33:50 +0800 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-17 16:31:13 -0400 |
commit | e35e2b117f4dba2761d96e378c28734f6807f227 (patch) | |
tree | f633b1ab813848b208e5eab50284eb0cc1a077b7 /drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | |
parent | 45cf454e4c0fa34d33980063408095179369c5f0 (diff) |
drm/amdgpu: add a generic fb accessing helper function(v3)
add a generic helper function for accessing framebuffer via MMIO
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Luben Tuikov <luben.tuikov@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c index ddd8364102a2..f95092741c38 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c @@ -134,20 +134,10 @@ static int hw_id_map[MAX_HWIP] = { static int amdgpu_discovery_read_binary(struct amdgpu_device *adev, uint8_t *binary) { - uint32_t *p = (uint32_t *)binary; uint64_t vram_size = (uint64_t)RREG32(mmRCC_CONFIG_MEMSIZE) << 20; uint64_t pos = vram_size - DISCOVERY_TMR_SIZE; - unsigned long flags; - - while (pos < vram_size) { - spin_lock_irqsave(&adev->mmio_idx_lock, flags); - WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)pos) | 0x80000000); - WREG32_NO_KIQ(mmMM_INDEX_HI, pos >> 31); - *p++ = RREG32_NO_KIQ(mmMM_DATA); - spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); - pos += 4; - } + amdgpu_device_vram_access(adev, pos, (uint32_t *)binary, DISCOVERY_TMR_SIZE, false); return 0; } |