Please find my reply inline.
Thanks,
Zhan
> -----Original Message-----
> From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> On Behalf Of Alex
> Deucher
> Sent: 2020/February/11, Tuesday 11:33 PM
> To: amd-gfx@lists.freedesktop.org
> Cc: Deucher, Alexander <alexander.deuc...@amd.com>
> Subject: [PATCH 3/3] drm/amdgpu/display move get_num_odm_splits() into
> dc_resource.c
>
> It's used by more than just DCN2.0. Fixes missing symbol when amdgpu is
> built without DCN support.
>
> Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
> ---
> .../gpu/drm/amd/display/dc/core/dc_resource.c | 16 ++++++++++++++++
> .../drm/amd/display/dc/dcn20/dcn20_resource.c | 16 ----------------
> .../drm/amd/display/dc/dcn20/dcn20_resource.h | 1 -
> drivers/gpu/drm/amd/display/dc/inc/resource.h | 3 +++
> 4 files changed, 19 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> index c02e5994d32b..572ce3842535 100644
> --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
> @@ -532,6 +532,22 @@ static inline void get_vp_scan_direction(
> *flip_horz_scan_dir = !*flip_horz_scan_dir; }
>
> +int get_num_odm_splits(struct pipe_ctx *pipe) {
> + int odm_split_count = 0;
> + struct pipe_ctx *next_pipe = pipe->next_odm_pipe;
> + while (next_pipe) {
> + odm_split_count++;
> + next_pipe = next_pipe->next_odm_pipe;
> + }
> + pipe = pipe->prev_odm_pipe;
> + while (pipe) {
> + odm_split_count++;
> + pipe = pipe->prev_odm_pipe;
> + }
> + return odm_split_count;
> +}
> +
> static void calculate_split_count_and_index(struct pipe_ctx *pipe_ctx, int
> *split_count, int *split_idx) {
> *split_count = get_num_odm_splits(pipe_ctx); diff --git
> a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> index 39026df56fa6..1061faccec9c 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
> @@ -1861,22 +1861,6 @@ void
> dcn20_populate_dml_writeback_from_context(
>
> }
>
> -int get_num_odm_splits(struct pipe_ctx *pipe) -{
> - int odm_split_count = 0;
> - struct pipe_ctx *next_pipe = pipe->next_odm_pipe;
> - while (next_pipe) {
> - odm_split_count++;
> - next_pipe = next_pipe->next_odm_pipe;
> - }
> - pipe = pipe->prev_odm_pipe;
> - while (pipe) {
> - odm_split_count++;
> - pipe = pipe->prev_odm_pipe;
> - }
> - return odm_split_count;
> -}
> -
> int dcn20_populate_dml_pipes_from_context(
> struct dc *dc, struct dc_state *context,
> display_e2e_pipe_params_st *pipes) { diff --git
> a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.h
> b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.h
> index 5180088ab6bc..f5893840b79b 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.h
> +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.h
> @@ -49,7 +49,6 @@ unsigned int dcn20_calc_max_scaled_time(
> unsigned int time_per_pixel,
> enum mmhubbub_wbif_mode mode,
> unsigned int urgent_watermark);
> -int get_num_odm_splits(struct pipe_ctx *pipe); int
Seems like the "int" at the end of this line actually belongs to the next line.
I am wondering is it a typo or a format-patch glitch?
> dcn20_populate_dml_pipes_from_context(
> struct dc *dc, struct dc_state *context,
> display_e2e_pipe_params_st *pipes); struct pipe_ctx
> *dcn20_acquire_idle_pipe_for_layer(
> diff --git a/drivers/gpu/drm/amd/display/dc/inc/resource.h
> b/drivers/gpu/drm/amd/display/dc/inc/resource.h
> index 5ae8ada154ef..ca4c36c0c9bc 100644
> --- a/drivers/gpu/drm/amd/display/dc/inc/resource.h
> +++ b/drivers/gpu/drm/amd/display/dc/inc/resource.h
> @@ -179,4 +179,7 @@ unsigned int resource_pixel_format_to_bpp(enum
> surface_pixel_format format);
>
> void get_audio_check(struct audio_info *aud_modes,
> struct audio_check *aud_chk);
> +
> +int get_num_odm_splits(struct pipe_ctx *pipe);
> +
> #endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_INC_RESOURCE_H_ */
> --
> 2.24.1
>
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