diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2892-drm-amd-display-Change-optimized_required-logic.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2892-drm-amd-display-Change-optimized_required-logic.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2892-drm-amd-display-Change-optimized_required-logic.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2892-drm-amd-display-Change-optimized_required-logic.patch new file mode 100644 index 00000000..26560856 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2892-drm-amd-display-Change-optimized_required-logic.patch @@ -0,0 +1,43 @@ +From d2221b3a82afce856cc5ef3f34ff9c78ec83ef68 Mon Sep 17 00:00:00 2001 +From: Andrew Jiang <Andrew.Jiang@amd.com> +Date: Thu, 16 Nov 2017 15:51:21 -0500 +Subject: [PATCH 2892/4131] drm/amd/display: Change optimized_required logic + +Rather than setting it every time there's a full update with surface +count > 0, set it when we need to do plane_atomic_disconnect. Also make +sure that we unset the flag in plane_atomic_disable, so that in the +event we run through a sequence where we do disconnect followed by an +immediate disable, we do not do unnecessarily request a passive flip to +do the optimization. + +Signed-off-by: Andrew Jiang <Andrew.Jiang@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <harry.wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +index d41f571..e08808b 100644 +--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c ++++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c +@@ -594,6 +594,8 @@ static void plane_atomic_disconnect(struct dc *dc, struct pipe_ctx *pipe_ctx) + mpc->funcs->remove_mpcc(mpc, mpc_tree_params, mpcc_to_remove); + dc->res_pool->opps[opp_id]->mpcc_disconnect_pending[fe_idx] = true; + ++ dc->optimized_required = true; ++ + if (hubp->funcs->hubp_disconnect) + hubp->funcs->hubp_disconnect(hubp); + +@@ -641,6 +643,7 @@ static void plane_atomic_disable(struct dc *dc, struct pipe_ctx *pipe_ctx) + OPP_PIPE_CLOCK_EN, 0); + + hubp->power_gated = true; ++ dc->optimized_required = false; /* We're powering off, no need to optimize */ + + plane_atomic_power_down(dc, fe_idx); + +-- +2.7.4 + |