diff options
Diffstat (limited to 'meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5435-drm-amd-display-Raise-dispclk-value-for-dce120-by-15.patch')
| -rw-r--r-- | meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5435-drm-amd-display-Raise-dispclk-value-for-dce120-by-15.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5435-drm-amd-display-Raise-dispclk-value-for-dce120-by-15.patch b/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5435-drm-amd-display-Raise-dispclk-value-for-dce120-by-15.patch deleted file mode 100644 index 0043f617..00000000 --- a/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/5435-drm-amd-display-Raise-dispclk-value-for-dce120-by-15.patch +++ /dev/null @@ -1,48 +0,0 @@ -From 106310ab4e5a8993c7019461f26c141e40aa8611 Mon Sep 17 00:00:00 2001 -From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> -Date: Wed, 12 Sep 2018 08:55:42 -0400 -Subject: [PATCH 5435/5725] drm/amd/display: Raise dispclk value for dce120 by - 15% - -[Why] - -The DISPCLK value was previously requested to be 15% higher for all -ASICs that went through the dce110 bandwidth code path. As part of a -refactoring of dce_clocks and the dce110 set bandwidth codepath this -was removed for power saving considerations. - -That change caused display corruption under certain hardware -configurations with Vega10. - -[How] - -The 15% DISPCLK increase is brought back but only on dce110 for now. -This is should be a temporary workaround until the root cause is sorted -out for why this occurs on Vega (or other ASICs, if reported). - -Change-Id: If3fe9d13baa3a430dd3b40bd6813f741ae451ddb -Tested-by: Nick Sarnie <sarnex@gentoo.org> -Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> -Reviewed-by: Harry Wentland <Harry.Wentland@amd.com> -Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com> ---- - drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c | 3 +++ - 1 file changed, 3 insertions(+) - -diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c -index d52dead..aa6bd41 100644 ---- a/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c -+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clocks.c -@@ -462,6 +462,9 @@ static void dce12_update_clocks(struct dccg *dccg, - { - struct dm_pp_clock_for_voltage_req clock_voltage_req = {0}; - -+ /* TODO: Investigate why this is needed to fix display corruption. */ -+ new_clocks->dispclk_khz = new_clocks->dispclk_khz * 115 / 100; -+ - if (should_set_clock(safe_to_lower, new_clocks->dispclk_khz, dccg->clks.dispclk_khz)) { - clock_voltage_req.clk_type = DM_PP_CLOCK_TYPE_DISPLAY_CLK; - clock_voltage_req.clocks_in_khz = new_clocks->dispclk_khz; --- -2.7.4 - |