From 72a57438d1b4a17dc2f3743fcbb8f0b473a63373 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 21 Oct 2016 15:45:22 -0400 Subject: [PATCH] drm/amdgpu: consolidate atom scratch reg handling for hangs MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Move from asic specific code to common atom code. Reviewed-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c | 13 +++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h | 2 ++ drivers/gpu/drm/amd/amdgpu/cik.c | 17 +++-------------- drivers/gpu/drm/amd/amdgpu/vi.c | 16 ++-------------- 4 files changed, 20 insertions(+), 28 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c index 8e6bf548d689..76cbb1d08bce 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.c @@ -1784,6 +1784,19 @@ void amdgpu_atombios_scratch_regs_restore(struct amdgpu_device *adev) WREG32(mmBIOS_SCRATCH_0 + i, adev->bios_scratch[i]); } +void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev, + bool hung) +{ + u32 tmp = RREG32(mmBIOS_SCRATCH_3); + + if (hung) + tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; + else + tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; + + WREG32(mmBIOS_SCRATCH_3, tmp); +} + /* Atom needs data in little endian format * so swap as appropriate when copying data to * or from atom. Note that atom operates on diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h index 17356151db38..e4afb1652fde 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atombios.h @@ -206,6 +206,8 @@ void amdgpu_atombios_scratch_regs_lock(struct amdgpu_device *adev, bool lock); void amdgpu_atombios_scratch_regs_init(struct amdgpu_device *adev); void amdgpu_atombios_scratch_regs_save(struct amdgpu_device *adev); void amdgpu_atombios_scratch_regs_restore(struct amdgpu_device *adev); +void amdgpu_atombios_scratch_regs_engine_hung(struct amdgpu_device *adev, + bool hung); void amdgpu_atombios_copy_swap(u8 *dst, u8 *src, u8 num_bytes, bool to_le); int amdgpu_atombios_get_max_vddc(struct amdgpu_device *adev, u8 voltage_type, diff --git a/drivers/gpu/drm/amd/amdgpu/cik.c b/drivers/gpu/drm/amd/amdgpu/cik.c index 1b70f8fa4280..302df85893ab 100644 --- a/drivers/gpu/drm/amd/amdgpu/cik.c +++ b/drivers/gpu/drm/amd/amdgpu/cik.c @@ -1189,18 +1189,6 @@ static int cik_gpu_pci_config_reset(struct amdgpu_device *adev) return r; } -static void cik_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hung) -{ - u32 tmp = RREG32(mmBIOS_SCRATCH_3); - - if (hung) - tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; - else - tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; - - WREG32(mmBIOS_SCRATCH_3, tmp); -} - /** * cik_asic_reset - soft reset GPU * @@ -1213,11 +1201,12 @@ static void cik_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hu static int cik_asic_reset(struct amdgpu_device *adev) { int r; - cik_set_bios_scratch_engine_hung(adev, true); + + amdgpu_atombios_scratch_regs_engine_hung(adev, true); r = cik_gpu_pci_config_reset(adev); - cik_set_bios_scratch_engine_hung(adev, false); + amdgpu_atombios_scratch_regs_engine_hung(adev, false); return r; } diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index e33399cd1376..25c0a71b257d 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -729,18 +729,6 @@ static int vi_gpu_pci_config_reset(struct amdgpu_device *adev) return -EINVAL; } -static void vi_set_bios_scratch_engine_hung(struct amdgpu_device *adev, bool hung) -{ - u32 tmp = RREG32(mmBIOS_SCRATCH_3); - - if (hung) - tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG; - else - tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG; - - WREG32(mmBIOS_SCRATCH_3, tmp); -} - /** * vi_asic_reset - soft reset GPU * @@ -754,11 +742,11 @@ static int vi_asic_reset(struct amdgpu_device *adev) { int r; - vi_set_bios_scratch_engine_hung(adev, true); + amdgpu_atombios_scratch_regs_engine_hung(adev, true); r = vi_gpu_pci_config_reset(adev); - vi_set_bios_scratch_engine_hung(adev, false); + amdgpu_atombios_scratch_regs_engine_hung(adev, false); return r; } -- 2.39.5