diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4328-drm-amd-display-Add-PSP-FW-version-mask.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4328-drm-amd-display-Add-PSP-FW-version-mask.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4328-drm-amd-display-Add-PSP-FW-version-mask.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4328-drm-amd-display-Add-PSP-FW-version-mask.patch new file mode 100644 index 00000000..acba3c0c --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4328-drm-amd-display-Add-PSP-FW-version-mask.patch @@ -0,0 +1,39 @@ +From 2261a74af63845b23ae8b85ae95a285de019eedb Mon Sep 17 00:00:00 2001 +From: Yongqiang Sun <yongqiang.sun@amd.com> +Date: Thu, 17 Oct 2019 21:44:50 -0400 +Subject: [PATCH 4328/4736] drm/amd/display: Add PSP FW version mask. + +[Why] +PSP version format is AB.CD.EF.GH, where CD and GH is the main version. +current psp version check for dmcub loading dmcu check 0x00110029, in +case of some psp version eg: 0x00110227 which main version should be +0x00110027, will result in unexpeceted dmcub loading dmcu FW. + +[How] +Add psp version mask 0x00FF00FF for checking version. + +Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> +Reviewed-by: Hersen Wu <hersenxs.wu@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c +index 66925c8f10d9..da9a07edcb06 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c ++++ b/drivers/gpu/drm/amd/display/dc/dce/dce_dmcu.c +@@ -883,7 +883,7 @@ static void dcn21_dmcu_construct( + + if (!IS_FPGA_MAXIMUS_DC(ctx->dce_environment)) { + psp_version = dm_read_reg(ctx, mmMP0_SMN_C2PMSG_58); +- dmcu_dce->base.auto_load_dmcu = (psp_version > 0x00110029); ++ dmcu_dce->base.auto_load_dmcu = ((psp_version & 0x00FF00FF) > 0x00110029); + dmcu_dce->base.psp_version = psp_version; + } + } +-- +2.17.1 + |