From 209ee27e9ba35c53e18284c7bb5ac2ba6a2fcd22 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Tue, 4 Jul 2017 15:37:09 +0800 Subject: drm/amd/powerplay: added grbm_idx_mutex lock/unlock to cgs v2 - v2: rename param 'en' as 'lock' Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 9b589402b58d..a99e0bca6812 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -614,6 +614,17 @@ static int amdgpu_cgs_enter_safe_mode(struct cgs_device *cgs_device, return 0; } +static void amdgpu_cgs_lock_grbm_idx(struct cgs_device *cgs_device, + bool lock) +{ + CGS_FUNC_ADEV; + + if (lock) + mutex_lock(&adev->grbm_idx_mutex); + else + mutex_unlock(&adev->grbm_idx_mutex); +} + static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device, enum cgs_ucode_id type, struct cgs_firmware_info *info) @@ -1127,6 +1138,7 @@ static const struct cgs_ops amdgpu_cgs_ops = { .query_system_info = amdgpu_cgs_query_system_info, .is_virtualization_enabled = amdgpu_cgs_is_virtualization_enabled, .enter_safe_mode = amdgpu_cgs_enter_safe_mode, + .lock_grbm_idx = amdgpu_cgs_lock_grbm_idx, }; static const struct cgs_os_ops amdgpu_cgs_os_ops = { -- cgit v1.2.3