diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0897-drm-amd-amdgpu-Simplify-gfx_v9_0_wait_for_idle.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0897-drm-amd-amdgpu-Simplify-gfx_v9_0_wait_for_idle.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0897-drm-amd-amdgpu-Simplify-gfx_v9_0_wait_for_idle.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0897-drm-amd-amdgpu-Simplify-gfx_v9_0_wait_for_idle.patch new file mode 100644 index 00000000..e3b3a492 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0897-drm-amd-amdgpu-Simplify-gfx_v9_0_wait_for_idle.patch @@ -0,0 +1,35 @@ +From 9da96ea5c41dda13e316e62ee4d5a5f2666870c6 Mon Sep 17 00:00:00 2001 +From: Tom St Denis <tom.stdenis@amd.com> +Date: Thu, 31 Aug 2017 09:48:11 -0400 +Subject: [PATCH 0897/4131] drm/amd/amdgpu: Simplify gfx_v9_0_wait_for_idle() + +Signed-off-by: Tom St Denis <tom.stdenis@amd.com> +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 7 +------ + 1 file changed, 1 insertion(+), 6 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +index bbb5032..ec28da9 100644 +--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c ++++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +@@ -2943,15 +2943,10 @@ static bool gfx_v9_0_is_idle(void *handle) + static int gfx_v9_0_wait_for_idle(void *handle) + { + unsigned i; +- u32 tmp; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + for (i = 0; i < adev->usec_timeout; i++) { +- /* read MC_STATUS */ +- tmp = RREG32_SOC15(GC, 0, mmGRBM_STATUS) & +- GRBM_STATUS__GUI_ACTIVE_MASK; +- +- if (!REG_GET_FIELD(tmp, GRBM_STATUS, GUI_ACTIVE)) ++ if (gfx_v9_0_is_idle(handle)) + return 0; + udelay(1); + } +-- +2.7.4 + |