diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0339-drm-amd-display-RV2-DP-MST-2nd-display-within-daisy-.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0339-drm-amd-display-RV2-DP-MST-2nd-display-within-daisy-.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0339-drm-amd-display-RV2-DP-MST-2nd-display-within-daisy-.patch b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0339-drm-amd-display-RV2-DP-MST-2nd-display-within-daisy-.patch new file mode 100644 index 00000000..bd75c03b --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux-4.19/linux-yocto-4.19.8/0339-drm-amd-display-RV2-DP-MST-2nd-display-within-daisy-.patch @@ -0,0 +1,57 @@ +From d1cabfed385822f90d76a0624f0dde63e555a7f5 Mon Sep 17 00:00:00 2001 +From: Hersen Wu <hersenxs.wu@amd.com> +Date: Tue, 9 Oct 2018 13:50:10 -0400 +Subject: [PATCH 0339/2940] drm/amd/display: RV2 DP MST 2nd display within + daisy chain not light up + +RV2 resource is limit to 3 pipes. Limitation should apply to all HW +blocks instead of front pipe. + +Signed-off-by: Hersen Wu <hersenxs.wu@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Huang Rui <ray.huang@amd.com> +Signed-off-by: Huang Rui <ray.huang@amd.com> +--- + .../drm/amd/display/dc/dcn10/dcn10_resource.c | 19 ++++++++++++++++++- + 1 file changed, 18 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +index cb1b134b8fcb..e148f708e8b3 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c +@@ -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, +@@ -1152,7 +1164,12 @@ static bool construct( + + ctx->dc_bios->regs = &bios_regs; + +- pool->base.res_cap = &res_cap; ++#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; + + /* +-- +2.17.1 + |