drm/amdgpu: fix GFX10 missing CSIB set(v3)

still need to init csb even for SRIOV

v2:
drop init_pg() for gfx10 at all since
PG and GFX off feature will be fully controled
by RLC and SMU fw for gfx10

v3:
drop the flush_gpu_tlb lines since we consider
it is only usefull in emulation

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 675ce8f..5744b21 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -1765,22 +1765,6 @@ static int gfx_v10_0_init_csb(struct amdgpu_device *adev)
        return 0;
 }
 
-static int gfx_v10_0_init_pg(struct amdgpu_device *adev)
-{
-       int i;
-       int r;
-
-       r = gfx_v10_0_init_csb(adev);
-       if (r)
-               return r;
-
-       for (i = 0; i < adev->num_vmhubs; i++)
-               amdgpu_gmc_flush_gpu_tlb(adev, 0, i, 0);
-
-       /* TODO: init power gating */
-       return 0;
-}
-
 void gfx_v10_0_rlc_stop(struct amdgpu_device *adev)
 {
        u32 tmp = RREG32_SOC15(GC, 0, mmRLC_CNTL);
@@ -1873,21 +1857,16 @@ static int gfx_v10_0_rlc_resume(struct amdgpu_device *adev)
 {
        int r;
 
-       if (amdgpu_sriov_vf(adev))
-               return 0;
-
        if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
-               r = gfx_v10_0_wait_for_rlc_autoload_complete(adev);
-               if (r)
-                       return r;
 
-               r = gfx_v10_0_init_pg(adev);
+               r = gfx_v10_0_wait_for_rlc_autoload_complete(adev);
                if (r)
                        return r;
 
-               /* enable RLC SRM */
-               gfx_v10_0_rlc_enable_srm(adev);
+               gfx_v10_0_init_csb(adev);
 
+               if (!amdgpu_sriov_vf(adev)) /* enable RLC SRM */
+                       gfx_v10_0_rlc_enable_srm(adev);
        } else {
                adev->gfx.rlc.funcs->stop(adev);
 
@@ -1909,9 +1888,7 @@ static int gfx_v10_0_rlc_resume(struct amdgpu_device *adev)
                                return r;
                }
 
-               r = gfx_v10_0_init_pg(adev);
-               if (r)
-                       return r;
+               gfx_v10_0_init_csb(adev);
 
                adev->gfx.rlc.funcs->start(adev);