diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3080-drm-amd-display-populate-last-calculated-bb-state-wi.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3080-drm-amd-display-populate-last-calculated-bb-state-wi.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3080-drm-amd-display-populate-last-calculated-bb-state-wi.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3080-drm-amd-display-populate-last-calculated-bb-state-wi.patch new file mode 100644 index 00000000..efec6b66 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3080-drm-amd-display-populate-last-calculated-bb-state-wi.patch @@ -0,0 +1,39 @@ +From 2d0db3d83f6b28f613bf5546145f5b57a5b83aca Mon Sep 17 00:00:00 2001 +From: Jun Lei <Jun.Lei@amd.com> +Date: Wed, 3 Jul 2019 16:52:38 -0400 +Subject: [PATCH 3080/4256] drm/amd/display: populate last calculated bb state + with max clocks + +[why] +update_bounding_box calculates intermediate bb states based on clock relationship +however, the last state doesn't need to maintain a minimum relationship, but should +actually contain maximum of every clock. otherwise maximum clocks are not usable + +[how] +once the calculated bb is built, override the last state with max values + +Signed-off-by: Jun Lei <Jun.Lei@amd.com> +Reviewed-by: Aric Cyr <Aric.Cyr@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c | 4 ++++ + 1 file changed, 4 insertions(+) + +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 296bc7e4c4a2..193270ba60e6 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +@@ -2746,6 +2746,10 @@ static void update_bounding_box(struct dc *dc, struct _vcs_dpi_soc_bounding_box_ + num_calculated_states++; + } + ++ calculated_states[num_calculated_states - 1].socclk_mhz = max_clocks->socClockInKhz / 1000; ++ calculated_states[num_calculated_states - 1].fabricclk_mhz = max_clocks->socClockInKhz / 1000; ++ calculated_states[num_calculated_states - 1].dcfclk_mhz = max_clocks->dcfClockInKhz / 1000; ++ + memcpy(bb->clock_limits, calculated_states, sizeof(bb->clock_limits)); + bb->num_states = num_calculated_states; + +-- +2.17.1 + |