On Fri, Jul 26, 2019 at 01:27:46PM +0200, Anders Roxell wrote:
> When fall-through warnings was enabled by default the following warning
> was starting to show up:
>
> ../drivers/gpu/drm/msm/adreno/a6xx_gpu.c: In function ‘a6xx_submit’:
> ../drivers/gpu/drm/msm/adreno/a6xx_gpu.c:116:7: warning: this statement may fall
> through [-Wimplicit-fallthrough=]
> if (priv->lastctx == ctx)
> ^
> ../drivers/gpu/drm/msm/adreno/a6xx_gpu.c:118:3: note: here
> case MSM_SUBMIT_CMD_BUF:
> ^~~~
>
> Rework so that the compiler doesn't warn about fall-through.
>
> Fixes: d93512ef0f0e ("Makefile: Globally enable fall-through warning")
> Signed-off-by: Anders Roxell <anders.roxell@xxxxxxxxxx>
Hi Anders,
Thank you for your patches. Jordan had previously sent the same fixes in
"drm/msm: Annotate intentional switch statement fall throughs" one day earlier
than yours, so I'll pick up that patch.
Thanks again!
Sean
> ---
> drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> index be39cf01e51e..644a6ee53f05 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> @@ -115,6 +115,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit,
> case MSM_SUBMIT_CMD_CTX_RESTORE_BUF:
> if (priv->lastctx == ctx)
> break;
> + /* Fall through */
> case MSM_SUBMIT_CMD_BUF:
> OUT_PKT7(ring, CP_INDIRECT_BUFFER_PFE, 3);
> OUT_RING(ring, lower_32_bits(submit->cmd[i].iova));
> --
> 2.20.1
>
--
Sean Paul, Software Engineer, Google / Chromium OS
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