From 7f03b1d14d51371fcbb8acba2f8bf037cd8807fa Mon Sep 17 00:00:00 2001 From: Mangesh Gadre Date: Wed, 21 Jun 2023 16:55:05 +0800 Subject: drm/amdgpu:Remove sdma halt/unhalt during frontdoor load sdma halt/unhalt is performed by psp when frontdoor loading used,so this can be skipped. v2: Instead of removing halt/unhalt completely, driver will do it only during backdoor load. Signed-off-by: Mangesh Gadre Reviewed-by: Lijo Lazar Reviewed-by: Asad Kamal Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c') diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c index ea5e12390d18..6be19ffc502b 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c @@ -578,6 +578,9 @@ static void sdma_v4_4_2_inst_enable(struct amdgpu_device *adev, bool enable, return; } + if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) + return; + for_each_inst(i, inst_mask) { f32_cntl = RREG32_SDMA(i, regSDMA_F32_CNTL); f32_cntl = REG_SET_FIELD(f32_cntl, SDMA_F32_CNTL, HALT, enable ? 0 : 1); @@ -904,10 +907,12 @@ static int sdma_v4_4_2_inst_start(struct amdgpu_device *adev, ring->use_doorbell, ring->doorbell_index, adev->doorbell_index.sdma_doorbell_range); - /* unhalt engine */ - temp = RREG32_SDMA(i, regSDMA_F32_CNTL); - temp = REG_SET_FIELD(temp, SDMA_F32_CNTL, HALT, 0); - WREG32_SDMA(i, regSDMA_F32_CNTL, temp); + if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { + /* unhalt engine */ + temp = RREG32_SDMA(i, regSDMA_F32_CNTL); + temp = REG_SET_FIELD(temp, SDMA_F32_CNTL, HALT, 0); + WREG32_SDMA(i, regSDMA_F32_CNTL, temp); + } } } -- cgit v1.2.3