diff options
| author | Lee, Alvin <Alvin.Lee2@amd.com> | 2022-08-25 16:05:03 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-09-13 14:33:00 -0400 |
| commit | 5c1a431aaf52bbba8b6e2c4e9b4037a09509c0e3 (patch) | |
| tree | c4662a8447a8cd6febf81faea0b123847e2478f3 /drivers/gpu/drm | |
| parent | 43080c9b7536c5cbc53c5d8c74027c92c7e0110a (diff) | |
drm/amd/display: Added debug option for forcing subvp num ways
[Description]
Regkey option for forcing num ways for subvp for debug purposes
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c | 11 |
2 files changed, 9 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index c48403d49f2e..e8e8e031b9d7 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -831,6 +831,7 @@ struct dc_debug_options { bool force_disable_subvp; bool force_subvp_mclk_switch; bool allow_sw_cursor_fallback; + unsigned int force_subvp_num_ways; bool force_usr_allow; /* uses value at boot and disables switch */ bool disable_dtb_ref_clk_switch; diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c index 1f195c5b3377..417dfdcf9596 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c @@ -54,13 +54,14 @@ uint32_t dcn32_helper_calculate_num_ways_for_subvp(struct dc *dc, struct dc_stat uint32_t num_mblks = 0; uint32_t cache_lines_per_plane = 0; uint32_t i = 0, j = 0; - uint32_t mblk_width = 0; - uint32_t mblk_height = 0; + uint16_t mblk_width = 0; + uint16_t mblk_height = 0; uint32_t full_vp_width_blk_aligned = 0; uint32_t full_vp_height_blk_aligned = 0; uint32_t mall_alloc_width_blk_aligned = 0; uint32_t mall_alloc_height_blk_aligned = 0; - uint32_t full_vp_height = 0; + uint16_t full_vp_height = 0; + bool subvp_in_use = false; for (i = 0; i < dc->res_pool->pipe_count; i++) { struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i]; @@ -70,6 +71,7 @@ uint32_t dcn32_helper_calculate_num_ways_for_subvp(struct dc *dc, struct dc_stat pipe->stream->mall_stream_config.type == SUBVP_PHANTOM) { struct pipe_ctx *main_pipe = NULL; + subvp_in_use = true; /* Get full viewport height from main pipe (required for MBLK calculation) */ for (j = 0; j < dc->res_pool->pipe_count; j++) { main_pipe = &context->res_ctx.pipe_ctx[j]; @@ -129,6 +131,9 @@ uint32_t dcn32_helper_calculate_num_ways_for_subvp(struct dc *dc, struct dc_stat if (cache_lines_used % lines_per_way > 0) num_ways++; + if (subvp_in_use && dc->debug.force_subvp_num_ways > 0) + num_ways = dc->debug.force_subvp_num_ways; + return num_ways; } |