diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4244-drm-amd-display-Update-min-dcfclk.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4244-drm-amd-display-Update-min-dcfclk.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4244-drm-amd-display-Update-min-dcfclk.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4244-drm-amd-display-Update-min-dcfclk.patch new file mode 100644 index 00000000..e473562b --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4244-drm-amd-display-Update-min-dcfclk.patch @@ -0,0 +1,44 @@ +From c0f19d299a31a816850d57d275d5fd7225844ac1 Mon Sep 17 00:00:00 2001 +From: Alvin Lee <alvin.lee2@amd.com> +Date: Fri, 27 Sep 2019 12:24:05 -0400 +Subject: [PATCH 4244/4736] drm/amd/display: Update min dcfclk + +[Why] +NV12 has lower min dcfclk + +[How] +Add update in update_bounding_box + +Signed-off-by: Alvin Lee <alvin.lee2@amd.com> +Reviewed-by: Jun Lei <Jun.Lei@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +--- + .../gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 12 ++++++++---- + 1 file changed, 8 insertions(+), 4 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +index 0ef5c5d60f79..a094eac4dc95 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +@@ -3113,10 +3113,14 @@ void dcn20_update_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_s + + if (dc->bb_overrides.min_dcfclk_mhz > 0) + min_dcfclk = dc->bb_overrides.min_dcfclk_mhz; +- else +- // Accounting for SOC/DCF relationship, we can go as high as +- // 506Mhz in Vmin. We need to code 507 since SMU will round down to 506. +- min_dcfclk = 507; ++ else { ++ if (ASICREV_IS_NAVI12_P(dc->ctx->asic_id.hw_internal_rev)) ++ min_dcfclk = 310; ++ else ++ // Accounting for SOC/DCF relationship, we can go as high as ++ // 506Mhz in Vmin. ++ min_dcfclk = 506; ++ } + + for (i = 0; i < num_states; i++) { + int min_fclk_required_by_uclk; +-- +2.17.1 + |