diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2599-drm-amd-display-update-infoframe-after-dig-fe-is-tur.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2599-drm-amd-display-update-infoframe-after-dig-fe-is-tur.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2599-drm-amd-display-update-infoframe-after-dig-fe-is-tur.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2599-drm-amd-display-update-infoframe-after-dig-fe-is-tur.patch new file mode 100644 index 00000000..7e7716e1 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/2599-drm-amd-display-update-infoframe-after-dig-fe-is-tur.patch @@ -0,0 +1,45 @@ +From ae1b69523a0866a4ab45619dfe8c6ff7d7f5d876 Mon Sep 17 00:00:00 2001 +From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> +Date: Mon, 24 Jun 2019 13:14:14 -0400 +Subject: [PATCH 2599/2940] drm/amd/display: update infoframe after dig fe is + turned on (v2) + +[Why] +The AVI infoframe is incorrectly programmed on DCN1/2 when enabling a +stream - causing the wrong pixel encoding to be used for display. + +This is because the AVI infoframe is programmed before the DIG BE is +connected to the FE and turned on, so enabling the AFMT block doesn't +actually work and the registers subsequently can't be written to. + +[How] +Program the infoframe *after* turning on the DIG FE. This was the +behavior previously used but it was incorrectly reverted +when adding the DCN2 HW sequencer code. + +v2: Don't call update_info_frame twice + +Fixes: 54ff35915948 ("drm/amd/display: Add DCN2 HW Sequencer and Resource") + +Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 1 + + 1 file changed, 1 insertion(+) + +diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +index 940e74b7d2c6..84d90b475e2a 100644 +--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c ++++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +@@ -686,6 +686,7 @@ void dce110_enable_stream(struct pipe_ctx *pipe_ctx) + dmdata_dp : dmdata_hdmi); + } + #endif ++ dce110_update_info_frame(pipe_ctx); + + /* enable early control to avoid corruption on DP monitor*/ + active_total_with_borders = +-- +2.17.1 + |