From: Dillon Varone Date: Sat, 26 Nov 2022 07:03:32 +0000 (-0500) Subject: drm/amd/display: Add debug bit to disable unbounded requesting X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d7368ea9708b79c2e8fef95ee5bc8088a4b9c2f2;p=linux.git drm/amd/display: Add debug bit to disable unbounded requesting [Description] Add debug bit to disable unbounded requesting. Reviewed-by: Jun Lei Acked-by: Jasdeep Dhillon Signed-off-by: Dillon Varone Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h index 85ebeaa2de186..a76031d7e202b 100644 --- a/drivers/gpu/drm/amd/display/dc/dc.h +++ b/drivers/gpu/drm/amd/display/dc/dc.h @@ -872,6 +872,7 @@ struct dc_debug_options { enum lttpr_mode lttpr_mode_override; unsigned int dsc_delay_factor_wa_x1000; unsigned int min_prefetch_in_strobe_ns; + bool disable_unbounded_requesting; }; struct gpu_info_soc_bounding_box_v1_0; diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c index e4dbc8353ea33..dfecdf3e25e93 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c @@ -726,6 +726,7 @@ static const struct dc_debug_options debug_defaults_drv = { .allow_sw_cursor_fallback = false, // Linux can't do SW cursor "fallback" .alloc_extra_way_for_cursor = true, .min_prefetch_in_strobe_ns = 60000, // 60us + .disable_unbounded_requesting = false, }; static const struct dc_debug_options debug_defaults_diags = { 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 783935c4e6644..04fca788c50b3 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 @@ -357,6 +357,7 @@ void dcn32_set_det_allocations(struct dc *dc, struct dc_state *context, int i, pipe_cnt; struct resource_context *res_ctx = &context->res_ctx; struct pipe_ctx *pipe; + bool disable_unbounded_requesting = dc->debug.disable_z9_mpc || dc->debug.disable_unbounded_requesting; for (i = 0, pipe_cnt = 0; i < dc->res_pool->pipe_count; i++) { @@ -373,7 +374,7 @@ void dcn32_set_det_allocations(struct dc *dc, struct dc_state *context, */ if (pipe_cnt == 1) { pipes[0].pipe.src.det_size_override = DCN3_2_MAX_DET_SIZE; - if (pipe->plane_state && !dc->debug.disable_z9_mpc && pipe->plane_state->tiling_info.gfx9.swizzle != DC_SW_LINEAR) { + if (pipe->plane_state && !disable_unbounded_requesting && pipe->plane_state->tiling_info.gfx9.swizzle != DC_SW_LINEAR) { if (!is_dual_plane(pipe->plane_state->format)) { pipes[0].pipe.src.det_size_override = DCN3_2_DEFAULT_DET_SIZE; pipes[0].pipe.src.unbounded_req_mode = true; diff --git a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c index d1f36df03c2ee..62e400e90b56c 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn321/dcn321_resource.c @@ -724,6 +724,7 @@ static const struct dc_debug_options debug_defaults_drv = { .allow_sw_cursor_fallback = false, // Linux can't do SW cursor "fallback" .alloc_extra_way_for_cursor = true, .min_prefetch_in_strobe_ns = 60000, // 60us + .disable_unbounded_requesting = false, }; static const struct dc_debug_options debug_defaults_diags = {