Ping?
On Thu, Mar 18, 2021 at 10:18 PM Alex Deucher <alexander.deucher@xxxxxxx> wrote:
>
> Move the function protoype to the right header and guard
> the call with CONFIG_DRM_AMD_DC_DCN as DSC is only available
> with DCN.
>
> Fixes: a03f6c0e26b2 ("drm/amd/display: Add changes for dsc bpp in 16ths and unify bw calculations")
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> Cc: Dillon Varone <dillon.varone@xxxxxxx>
> Cc: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/amd/display/dc/core/dc_link.c | 4 ++--
> drivers/gpu/drm/amd/display/dc/dc_dsc.h | 2 ++
> 2 files changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> index 10e34e411e06..f9a33dc52c45 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
> @@ -3498,17 +3498,17 @@ void dc_link_enable_hpd_filter(struct dc_link *link, bool enable)
> }
> }
>
> -uint32_t dc_dsc_stream_bandwidth_in_kbps(uint32_t pix_clk_100hz, uint32_t bpp_x16);
> -
> uint32_t dc_bandwidth_in_kbps_from_timing(
> const struct dc_crtc_timing *timing)
> {
> uint32_t bits_per_channel = 0;
> uint32_t kbps;
>
> +#if defined(CONFIG_DRM_AMD_DC_DCN)
> if (timing->flags.DSC) {
> return dc_dsc_stream_bandwidth_in_kbps(timing->pix_clk_100hz, timing->dsc_cfg.bits_per_pixel);
> }
> +#endif
>
> switch (timing->display_color_depth) {
> case COLOR_DEPTH_666:
> diff --git a/drivers/gpu/drm/amd/display/dc/dc_dsc.h b/drivers/gpu/drm/amd/display/dc/dc_dsc.h
> index 0c5d98524536..c51d2d961b7a 100644
> --- a/drivers/gpu/drm/amd/display/dc/dc_dsc.h
> +++ b/drivers/gpu/drm/amd/display/dc/dc_dsc.h
> @@ -88,4 +88,6 @@ void dc_dsc_policy_set_max_target_bpp_limit(uint32_t limit);
>
> void dc_dsc_policy_set_enable_dsc_when_not_needed(bool enable);
>
> +uint32_t dc_dsc_stream_bandwidth_in_kbps(uint32_t pix_clk_100hz, uint32_t bpp_x16);
> +
> #endif
> --
> 2.30.2
>
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