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-rw-r--r--common/recipes-kernel/linux/files/0470-drm-amd-powerplay-fix-stutter-setup-in-mclk-level-in.patch51
1 files changed, 51 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/files/0470-drm-amd-powerplay-fix-stutter-setup-in-mclk-level-in.patch b/common/recipes-kernel/linux/files/0470-drm-amd-powerplay-fix-stutter-setup-in-mclk-level-in.patch
new file mode 100644
index 00000000..d7c8f96d
--- /dev/null
+++ b/common/recipes-kernel/linux/files/0470-drm-amd-powerplay-fix-stutter-setup-in-mclk-level-in.patch
@@ -0,0 +1,51 @@
+From a9e43289d72d0868435ae6e2cdbad42413a95f02 Mon Sep 17 00:00:00 2001
+From: Alex Deucher <alexander.deucher@amd.com>
+Date: Fri, 8 Apr 2016 16:42:38 -0400
+Subject: [PATCH 0470/1110] drm/amd/powerplay: fix stutter setup in mclk level
+ init
+
+Stale ifdef.
+
+Reviewed-by: Harry Wentland <harry.wentland@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c | 16 ++++++++--------
+ 1 file changed, 8 insertions(+), 8 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
+index fee7835..b9a27c6 100644
+--- a/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/tonga_hwmgr.c
+@@ -51,6 +51,9 @@
+ #include "bif/bif_5_0_d.h"
+ #include "bif/bif_5_0_sh_mask.h"
+
++#include "dce/dce_10_0_d.h"
++#include "dce/dce_10_0_sh_mask.h"
++
+ #include "cgs_linux.h"
+ #include "eventmgr.h"
+ #include "amd_pcie_helpers.h"
+@@ -2037,14 +2040,11 @@ static int tonga_populate_single_memory_level(
+ data->display_timing.num_existing_displays = info.display_count;
+
+ if ((data->mclk_stutter_mode_threshold != 0) &&
+- (memory_clock <= data->mclk_stutter_mode_threshold) &&
+- (data->is_uvd_enabled == 0)
+-#if defined(LINUX)
+- && (PHM_READ_FIELD(hwmgr->device, DPG_PIPE_STUTTER_CONTROL, STUTTER_ENABLE) & 0x1)
+- && (data->display_timing.num_existing_displays <= 2)
+- && (data->display_timing.num_existing_displays != 0)
+-#endif
+- )
++ (memory_clock <= data->mclk_stutter_mode_threshold) &&
++ (data->is_uvd_enabled == 0)
++ && (PHM_READ_FIELD(hwmgr->device, DPG_PIPE_STUTTER_CONTROL, STUTTER_ENABLE) & 0x1)
++ && (data->display_timing.num_existing_displays <= 2)
++ && (data->display_timing.num_existing_displays != 0))
+ memory_level->StutterEnable = 1;
+
+ /* decide strobe mode*/
+--
+2.7.4
+