diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c | 75 |
1 files changed, 46 insertions, 29 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c index e938bf9986d3..6248c8455314 100644 --- a/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dce100/dce100_resource.c @@ -22,6 +22,9 @@ * Authors: AMD * */ + +#include <linux/slab.h> + #include "dm_services.h" #include "link_encoder.h" @@ -35,8 +38,6 @@ #include "irq/dce110/irq_service_dce110.h" #include "dce/dce_link_encoder.h" #include "dce/dce_stream_encoder.h" - -#include "dce/dce_clk_mgr.h" #include "dce/dce_mem_input.h" #include "dce/dce_ipp.h" #include "dce/dce_transform.h" @@ -137,19 +138,6 @@ static const struct dce110_timing_generator_offsets dce100_tg_offsets[] = { #define SRI(reg_name, block, id)\ .reg_name = mm ## block ## id ## _ ## reg_name - -static const struct clk_mgr_registers disp_clk_regs = { - CLK_COMMON_REG_LIST_DCE_BASE() -}; - -static const struct clk_mgr_shift disp_clk_shift = { - CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(__SHIFT) -}; - -static const struct clk_mgr_mask disp_clk_mask = { - CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(_MASK) -}; - #define ipp_regs(id)\ [id] = {\ IPP_DCE100_REG_LIST_DCE_BASE(id)\ @@ -746,9 +734,6 @@ static void destruct(struct dce110_resource_pool *pool) dce_aud_destroy(&pool->base.audios[i]); } - if (pool->base.clk_mgr != NULL) - dce_clk_mgr_destroy(&pool->base.clk_mgr); - if (pool->base.abm != NULL) dce_abm_destroy(&pool->base.abm); @@ -867,13 +852,55 @@ enum dc_status dce100_validate_plane(const struct dc_plane_state *plane_state, s return DC_FAIL_SURFACE_VALIDATE; } +struct stream_encoder *dce100_find_first_free_match_stream_enc_for_link( + struct resource_context *res_ctx, + const struct resource_pool *pool, + struct dc_stream_state *stream) +{ + int i; + int j = -1; + struct dc_link *link = stream->link; + + for (i = 0; i < pool->stream_enc_count; i++) { + if (!res_ctx->is_stream_enc_acquired[i] && + pool->stream_enc[i]) { + /* Store first available for MST second display + * in daisy chain use case + */ + j = i; + if (pool->stream_enc[i]->id == + link->link_enc->preferred_engine) + return pool->stream_enc[i]; + } + } + + /* + * below can happen in cases when stream encoder is acquired: + * 1) for second MST display in chain, so preferred engine already + * acquired; + * 2) for another link, which preferred engine already acquired by any + * MST configuration. + * + * If signal is of DP type and preferred engine not found, return last available + * + * TODO - This is just a patch up and a generic solution is + * required for non DP connectors. + */ + + if (j >= 0 && link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT) + return pool->stream_enc[j]; + + return NULL; +} + static const struct resource_funcs dce100_res_pool_funcs = { .destroy = dce100_destroy_resource_pool, .link_enc_create = dce100_link_encoder_create, .validate_bandwidth = dce100_validate_bandwidth, .validate_plane = dce100_validate_plane, .add_stream_to_ctx = dce100_add_stream_to_ctx, - .validate_global = dce100_validate_global + .validate_global = dce100_validate_global, + .find_first_free_match_stream_enc_for_link = dce100_find_first_free_match_stream_enc_for_link }; static bool construct( @@ -932,16 +959,6 @@ static bool construct( } } - pool->base.clk_mgr = dce_clk_mgr_create(ctx, - &disp_clk_regs, - &disp_clk_shift, - &disp_clk_mask); - if (pool->base.clk_mgr == NULL) { - dm_error("DC: failed to create display clock!\n"); - BREAK_TO_DEBUGGER(); - goto res_create_fail; - } - pool->base.dmcu = dce_dmcu_create(ctx, &dmcu_regs, &dmcu_shift, |