From: Rodrigo Siqueira Date: Thu, 20 Oct 2022 15:46:59 +0000 (-0400) Subject: drm/amd/display: Add basic ODM description X-Git-Tag: v6.6.17~5843^2~24^2~74 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a6126e14cfb200ecb915c66bccbfc077c704c1fa;p=platform%2Fkernel%2Flinux-rpi.git drm/amd/display: Add basic ODM description Add kernel-doc to some of the ODM-related functions. Tested-by: Mark Broadworth Reviewed-by: Aurabindo Pillai Acked-by: Rodrigo Siqueira Signed-off-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- 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 8224b9b..d0199ec 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -1454,6 +1454,22 @@ enum dc_status dcn20_remove_stream_from_ctx(struct dc *dc, struct dc_state *new_ return result; } +/** + * dcn20_split_stream_for_odm - Check if stream can be splited for ODM + * + * @dc: DC object with resource pool info required for pipe split + * @res_ctx: Persistent state of resources + * @prev_odm_pipe: Reference to the previous ODM pipe + * @next_odm_pipe: Reference to the next ODM pipe + * + * This function takes a logically active pipe and a logically free pipe and + * halves all the scaling parameters that need to be halved while populating + * the free pipe with the required resources and configuring the next/previous + * ODM pipe pointers. + * + * Return: + * Return true if split stream for ODM is possible, otherwise, return false. + */ bool dcn20_split_stream_for_odm( const struct dc *dc, struct resource_context *res_ctx, diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h index 6b3e6de..42db4b7 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/stream_encoder.h @@ -243,6 +243,9 @@ struct stream_encoder_funcs { uint32_t hubp_requestor_id, enum dynamic_metadata_mode dmdata_mode); + /** + * @dp_set_odm_combine: Sets up DP stream encoder for ODM. + */ void (*dp_set_odm_combine)( struct stream_encoder *enc, bool odm_combine); diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h index 25a1df4..65f18f9 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/timing_generator.h @@ -301,6 +301,11 @@ struct timing_generator_funcs { void (*get_dsc_status)(struct timing_generator *optc, uint32_t *dsc_mode); void (*set_odm_bypass)(struct timing_generator *optc, const struct dc_crtc_timing *dc_crtc_timing); + + /** + * @set_odm_combine: Set up the ODM block to read from the correct + * OPP(s) and turn on/off ODM memory. + */ void (*set_odm_combine)(struct timing_generator *optc, int *opp_id, int opp_cnt, struct dc_crtc_timing *timing); void (*set_h_timing_div_manual_mode)(struct timing_generator *optc, bool manual_mode);