On Wed, Oct 3, 2018 at 7:11 AM Rex Zhu <Rex.Zhu@xxxxxxx> wrote:
>
> gfx and sdma can be initialized before smu.
>
> Signed-off-by: Rex Zhu <Rex.Zhu@xxxxxxx>
I think sdma_v2_4.c needs a similar update for iceland. With that fixed:
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 11 +++++++++++
> drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c | 8 ++++++++
> 2 files changed, 19 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
> index 6b1954e..77e05c1 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
> @@ -4180,9 +4180,20 @@ static void gfx_v8_0_rlc_start(struct amdgpu_device *adev)
>
> static int gfx_v8_0_rlc_resume(struct amdgpu_device *adev)
> {
> + int r;
> +
> gfx_v8_0_rlc_stop(adev);
> gfx_v8_0_rlc_reset(adev);
> gfx_v8_0_init_pg(adev);
> +
> + if (adev->powerplay.pp_funcs->load_firmware) {
> + r = adev->powerplay.pp_funcs->load_firmware(adev->powerplay.pp_handle);
> + if (r) {
> + pr_err("firmware loading failed\n");
> + return r;
> + }
> + }
> +
> gfx_v8_0_rlc_start(adev);
>
> return 0;
> diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
> index 6fb3eda..0bdde7f 100644
> --- a/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c
> @@ -788,6 +788,14 @@ static int sdma_v3_0_start(struct amdgpu_device *adev)
> {
> int r;
>
> + if (adev->powerplay.pp_funcs->load_firmware) {
> + r = adev->powerplay.pp_funcs->load_firmware(adev->powerplay.pp_handle);
> + if (r) {
> + pr_err("firmware loading failed\n");
> + return r;
> + }
> + }
> +
> /* disable sdma engine before programing it */
> sdma_v3_0_ctx_switch_enable(adev, false);
> sdma_v3_0_enable(adev, false);
> --
> 1.9.1
>
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