diff options
Diffstat (limited to 'meta-amdfalconx86/recipes-kernel/linux/files/0896-drm-amd-dal-zero-out-current-context-on-suspend.patch')
-rw-r--r-- | meta-amdfalconx86/recipes-kernel/linux/files/0896-drm-amd-dal-zero-out-current-context-on-suspend.patch | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/meta-amdfalconx86/recipes-kernel/linux/files/0896-drm-amd-dal-zero-out-current-context-on-suspend.patch b/meta-amdfalconx86/recipes-kernel/linux/files/0896-drm-amd-dal-zero-out-current-context-on-suspend.patch deleted file mode 100644 index de625ffe..00000000 --- a/meta-amdfalconx86/recipes-kernel/linux/files/0896-drm-amd-dal-zero-out-current-context-on-suspend.patch +++ /dev/null @@ -1,54 +0,0 @@ -From eb60252c7886935b2fc170fbdbb1ac9c9e1916fd Mon Sep 17 00:00:00 2001 -From: Eric Yang <eric.yang2@amd.com> -Date: Mon, 14 Mar 2016 16:46:31 -0400 -Subject: [PATCH 0896/1110] drm/amd/dal: zero out current context on suspend - -Since everything shuts down on S3, the states stored in current -context are no longer valid and should be zeroed to make sure -they don't confuse DC level optimization into incorrectly skipping -hw programming. For the S3 issue on Tonga, the display clock was -always hard coded, therefore not changing on resuming, so ended -up not being programmed due to optimization. This change fixes -S3 resume on Tonga. - -Signed-off-by: Eric Yang <eric.yang2@amd.com> -Acked-by: Harry Wentland <harry.wentland@amd.com> -Signed-off-by: Alex Deucher <alexander.deucher@amd.com> ---- - drivers/gpu/drm/amd/dal/dc/core/dc.c | 7 +++++++ - drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c | 1 - - 2 files changed, 7 insertions(+), 1 deletion(-) - -diff --git a/drivers/gpu/drm/amd/dal/dc/core/dc.c b/drivers/gpu/drm/amd/dal/dc/core/dc.c -index f8459a3..5d87597 100644 ---- a/drivers/gpu/drm/amd/dal/dc/core/dc.c -+++ b/drivers/gpu/drm/amd/dal/dc/core/dc.c -@@ -1081,6 +1081,13 @@ void dc_set_power_state( - /* NULL means "reset/release all DC targets" */ - dc_commit_targets(dc, NULL, 0); - -+ /* Zero out the current context so that on resume we start with -+ * clean state, and dc hw programming optimizations will not -+ * cause any trouble. -+ */ -+ memset(&core_dc->current_context, 0, -+ sizeof(core_dc->current_context)); -+ - core_dc->hwss.power_down(core_dc); - break; - } -diff --git a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c -index fae2f8a..3d4f8b7 100644 ---- a/drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c -+++ b/drivers/gpu/drm/amd/dal/dc/dce110/dce110_hw_sequencer.c -@@ -1637,7 +1637,6 @@ static void init_hw(struct core_dc *dc) - if (dal_audio_power_up(audio) != AUDIO_RESULT_OK) - dm_error("Failed audio power up!\n"); - } -- - } - - static const struct hw_sequencer_funcs dce110_funcs = { --- -2.7.4 - |