From e8a95b274d2f1a46dda12fa8e0cd2806df791701 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Wed, 21 Dec 2016 20:30:58 +0800 Subject: [PATCH] drm/amdgpu: add cgs interface for enter/exit rlc safe mode. Signed-off-by: Rex Zhu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 18 ++++++++++++++++++ drivers/gpu/drm/amd/include/cgs_common.h | 7 +++++++ 2 files changed, 25 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index d0e87102e1b9..a5df1ef306d9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -763,6 +763,23 @@ static uint16_t amdgpu_get_firmware_version(struct cgs_device *cgs_device, return fw_version; } +static int amdgpu_cgs_enter_safe_mode(struct cgs_device *cgs_device, + bool en) +{ + CGS_FUNC_ADEV; + + if (adev->gfx.rlc.funcs->enter_safe_mode == NULL || + adev->gfx.rlc.funcs->exit_safe_mode == NULL) + return 0; + + if (en) + adev->gfx.rlc.funcs->enter_safe_mode(adev); + else + adev->gfx.rlc.funcs->exit_safe_mode(adev); + + return 0; +} + static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device, enum cgs_ucode_id type, struct cgs_firmware_info *info) @@ -1243,6 +1260,7 @@ static const struct cgs_ops amdgpu_cgs_ops = { .call_acpi_method = amdgpu_cgs_call_acpi_method, .query_system_info = amdgpu_cgs_query_system_info, .is_virtualization_enabled = amdgpu_cgs_is_virtualization_enabled, + .enter_safe_mode = amdgpu_cgs_enter_safe_mode, }; static const struct cgs_os_ops amdgpu_cgs_os_ops = { diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h index e4a1697ec1d3..1d26ae768147 100644 --- a/drivers/gpu/drm/amd/include/cgs_common.h +++ b/drivers/gpu/drm/amd/include/cgs_common.h @@ -622,6 +622,8 @@ typedef int (*cgs_query_system_info)(struct cgs_device *cgs_device, typedef int (*cgs_is_virtualization_enabled_t)(void *cgs_device); +typedef int (*cgs_enter_safe_mode)(struct cgs_device *cgs_device, bool en); + struct cgs_ops { /* memory management calls (similar to KFD interface) */ cgs_gpu_mem_info_t gpu_mem_info; @@ -674,6 +676,7 @@ struct cgs_ops { /* get system info */ cgs_query_system_info query_system_info; cgs_is_virtualization_enabled_t is_virtualization_enabled; + cgs_enter_safe_mode enter_safe_mode; }; struct cgs_os_ops; /* To be define in OS-specific CGS header */ @@ -779,4 +782,8 @@ struct cgs_device #define cgs_is_virtualization_enabled(cgs_device) \ CGS_CALL(is_virtualization_enabled, cgs_device) + +#define cgs_enter_safe_mode(cgs_device, en) \ + CGS_CALL(enter_safe_mode, cgs_device, en) + #endif /* _CGS_COMMON_H */ -- 2.20.1