On Sat, Aug 1, 2015 at 9:55 AM, Nicolas Iooss
<nicolas.iooss_linux@xxxxxxx> wrote:
> gfx_v7_0_print_status contains a for loop on variable queue which does
> not update this variable between each iteration. This is bug is
> reported by clang while building allmodconfig LLVMLinux on x86_64:
>
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c:5126:19: error: variable
> 'queue' used in loop condition not modified in loop body
> [-Werror,-Wloop-analysis]
> for (queue = 0; queue < 8; i++) {
> ^~~~~
>
> Fix this by incrementing variable queue instead of i in this loop.
>
> Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@xxxxxxx>
Applied. thanks!
Alex
> ---
> drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
> index 2db6ab0a543d..5c03420ca5dc 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
> @@ -5122,7 +5122,7 @@ static void gfx_v7_0_print_status(void *handle)
> dev_info(adev->dev, " CP_HPD_EOP_CONTROL=0x%08X\n",
> RREG32(mmCP_HPD_EOP_CONTROL));
>
> - for (queue = 0; queue < 8; i++) {
> + for (queue = 0; queue < 8; queue++) {
> cik_srbm_select(adev, me, pipe, queue, 0);
> dev_info(adev->dev, " queue: %d\n", queue);
> dev_info(adev->dev, " CP_PQ_WPTR_POLL_CNTL=0x%08X\n",
> --
> 2.5.0
>
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