diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0737-drm-amd-display-Remove-the-check-to-see-if-pp_displa.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.19.8/0737-drm-amd-display-Remove-the-check-to-see-if-pp_displa.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0737-drm-amd-display-Remove-the-check-to-see-if-pp_displa.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0737-drm-amd-display-Remove-the-check-to-see-if-pp_displa.patch new file mode 100644 index 00000000..a5744666 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0737-drm-amd-display-Remove-the-check-to-see-if-pp_displa.patch @@ -0,0 +1,43 @@ +From df79f020e59f55d6c2e14912b1f21375a342bdde Mon Sep 17 00:00:00 2001 +From: Fatemeh Darbehani <fatemeh.darbehani@amd.com> +Date: Fri, 19 Oct 2018 10:12:56 -0400 +Subject: [PATCH 0737/2940] drm/amd/display: Remove the check to see if + pp_display_cfg is changed + +[Why] +When going to full-screen mode commit_planes_for_stream tries to decrease +dcf_deep_sleep value, but safe_to_lower is false, so we don't send the new value +to SMU but dc context gets updated. +Later when dc_post_update_surfaces_to_stream tries to lower dcf_ds when +safe_to_lower is true, this check prevents the message from being sent. + +[How] +Remove the check that compares new value with what is stored in dc_context. +This check is not necessary as dcn1_update_clocks already checks if the value +is different from the current dcf_dp value. + +Signed-off-by: Fatemeh Darbehani <fatemeh.darbehani@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Leo Li <sunpeng.li@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.c | 3 +-- + 1 file changed, 1 insertion(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.c +index 6f329d1e8fd3..d5314610b2cd 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_clk_mgr.c +@@ -57,8 +57,7 @@ void dcn1_pplib_apply_display_requirements( + pp_display_cfg->disp_clk_khz = dc->res_pool->clk_mgr->clks.dispclk_khz; + dce110_fill_display_configs(context, pp_display_cfg); + +- if (memcmp(&dc->current_state->pp_display_cfg, pp_display_cfg, sizeof(*pp_display_cfg)) != 0) +- dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg); ++ dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg); + } + + static int dcn1_determine_dppclk_threshold(struct clk_mgr *clk_mgr, struct dc_clocks *new_clocks) +-- +2.17.1 + |