drm/amd/display: RV2 DP MST 2nd display within daisy chain not light up (66f34aee) · Commits · 戴 / test

RV2 resource is limit to 3 pipes. Limitation should apply to all HW blocks instead of front pipe. Signed-off-by:

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c

+18 −1

Original line number	Diff line number	Diff line
		@@ -507,6 +507,18 @@ static const struct resource_caps res_cap = {
		.num_ddc = 4,
		};

		#if defined(CONFIG_DRM_AMD_DC_DCN1_01)
		static const struct resource_caps rv2_res_cap = {
		.num_timing_generator = 3,
		.num_opp = 3,
		.num_video_plane = 3,
		.num_audio = 3,
		.num_stream_encoder = 3,
		.num_pll = 3,
		.num_ddc = 3,
		};
		#endif

		static const struct dc_debug_options debug_defaults_drv = {
		.sanity_checks = true,
		.disable_dmcu = true,
		@@ -1172,6 +1184,11 @@ static bool construct(

		ctx->dc_bios->regs = &bios_regs;

		#if defined(CONFIG_DRM_AMD_DC_DCN1_01)
		if (ctx->dce_version == DCN_VERSION_1_01)
		pool->base.res_cap = &rv2_res_cap;
		else
		#endif
		pool->base.res_cap = &res_cap;
		pool->base.funcs = &dcn10_res_pool_funcs;