On 2017-02-06 12:08 AM, Rex Zhu wrote:
> Change-Id: I09011c5e6d5493db7e3d9a7ff7ab8c871a8db862
> Signed-off-by: Rex Zhu <rex....@amd.com>
> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
> b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
> index 5af27aa..50576c6 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c
> @@ -358,7 +358,7 @@ bool dm_pp_get_clock_levels_by_type(
> * non-boosted one. */
> DRM_INFO("DM_PPLIB: reducing engine clock level
> from %d to %d\n",
> dc_clks->num_levels, i + 1);
> - dc_clks->num_levels = i;
> + dc_clks->num_levels = i + 1;
It seems to me the DRM_INFO print is wrong here, not the actual
assignment. We're setting num_levels to the current index if the clocks
for that index are higher than the max validation clocks, hence this
index now should become num_levels.
> break;
> }
> }
> @@ -367,7 +367,7 @@ bool dm_pp_get_clock_levels_by_type(
> if (dc_clks->clocks_in_khz[i] >
> validation_clks.memory_max_clock) {
> DRM_INFO("DM_PPLIB: reducing memory clock level
> from %d to %d\n",
> dc_clks->num_levels, i + 1);
> - dc_clks->num_levels = i;
> + dc_clks->num_levels = i + 1;
> break;
> }
> }
>
Same comment as above.
Harry
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