diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 42 |
2 files changed, 59 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 1dd26d5df6b9..49fe7dcf9372 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -6109,3 +6109,21 @@ struct dc_power_profile dc_get_power_profile_for_dc_state(const struct dc_state profile.power_level = dc->res_pool->funcs->get_power_profile(context); return profile; } + +/* + ********************************************************************************** + * dc_get_det_buffer_size_from_state() - extracts detile buffer size from dc state + * + * Called when DM wants to log detile buffer size from dc_state + * + ********************************************************************************** + */ +unsigned int dc_get_det_buffer_size_from_state(const struct dc_state *context) +{ + struct dc *dc = context->clk_mgr->ctx->dc; + + if (dc->res_pool->funcs->get_det_buffer_size) + return dc->res_pool->funcs->get_det_buffer_size(context); + else + return 0; +} 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 619fad17de55..626f75b6ad00 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -2094,7 +2094,8 @@ int resource_get_odm_slice_dst_width(struct pipe_ctx *otg_master, count = resource_get_odm_slice_count(otg_master); h_active = timing->h_addressable + timing->h_border_left + - timing->h_border_right; + timing->h_border_right + + otg_master->hblank_borrow; width = h_active / count; if (otg_master->stream_res.tg) @@ -4027,6 +4028,41 @@ fail: } /** + * decide_hblank_borrow - Decides the horizontal blanking borrow value for a given pipe context. + * @pipe_ctx: Pointer to the pipe context structure. + * + * This function calculates the horizontal blanking borrow value for a given pipe context based on the + * display stream compression (DSC) configuration. If the horizontal active pixels (hactive) are less + * than the total width of the DSC slices, it sets the hblank_borrow value to the difference. If the + * total horizontal timing minus the hblank_borrow value is less than 32, it resets the hblank_borrow + * value to 0. + */ +static void decide_hblank_borrow(struct pipe_ctx *pipe_ctx) +{ + uint32_t hactive; + uint32_t ceil_slice_width; + struct dc_stream_state *stream = NULL; + + if (!pipe_ctx) + return; + + stream = pipe_ctx->stream; + + if (stream->timing.flags.DSC) { + hactive = stream->timing.h_addressable + stream->timing.h_border_left + stream->timing.h_border_right; + + /* Assume if determined slices does not divide Hactive evenly, Hborrow is needed for padding*/ + if (hactive % stream->timing.dsc_cfg.num_slices_h != 0) { + ceil_slice_width = (hactive / stream->timing.dsc_cfg.num_slices_h) + 1; + pipe_ctx->hblank_borrow = ceil_slice_width * stream->timing.dsc_cfg.num_slices_h - hactive; + + if (stream->timing.h_total - hactive - pipe_ctx->hblank_borrow < 32) + pipe_ctx->hblank_borrow = 0; + } + } +} + +/** * dc_validate_global_state() - Determine if hardware can support a given state * * @dc: dc struct for this driver @@ -4064,6 +4100,10 @@ enum dc_status dc_validate_global_state( if (pipe_ctx->stream != stream) continue; + /* Decide whether hblank borrow is needed and save it in pipe_ctx */ + if (dc->debug.enable_hblank_borrow) + decide_hblank_borrow(pipe_ctx); + if (dc->res_pool->funcs->patch_unknown_plane_state && pipe_ctx->plane_state && pipe_ctx->plane_state->tiling_info.gfx9.swizzle == DC_SW_UNKNOWN) { |