From a6250bdb6c4677ee77d699b338e077b900f94c0c Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Tue, 9 Aug 2022 11:44:05 -0400
Subject: [PATCH] drm/amdgpu: Only disable prefer_shadow on hawaii
We changed it for all asics due to a hibernation regression
on hawaii, but the workaround breaks suspend on a polaris12.
Just disable it for hawaii.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216119
Fixes: 3a4b1cc28fbd ("drm/amdgpu/display: disable prefer_shadow for generic fb helpers")
Reviewed-and-tested-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c | 3 +--
drivers/gpu/drm/amd/amdgpu/dce_v10_0.c | 3 +--
drivers/gpu/drm/amd/amdgpu/dce_v11_0.c | 3 +--
drivers/gpu/drm/amd/amdgpu/dce_v6_0.c | 3 +--
drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 7 +++++--
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 +++++--
6 files changed, 14 insertions(+), 12 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
index 108e8e8a1a367..576849e952964 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
@@ -496,8 +496,7 @@ static int amdgpu_vkms_sw_init(void *handle)
adev_to_drm(adev)->mode_config.max_height = YRES_MAX;
adev_to_drm(adev)->mode_config.preferred_depth = 24;
- /* disable prefer shadow for now due to hibernation issues */
- adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+ adev_to_drm(adev)->mode_config.prefer_shadow = 1;
adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
index 9c964cd3b5d4e..288fce7dc0ed1 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c
@@ -2796,8 +2796,7 @@ static int dce_v10_0_sw_init(void *handle)
adev_to_drm(adev)->mode_config.max_height = 16384;
adev_to_drm(adev)->mode_config.preferred_depth = 24;
- /* disable prefer shadow for now due to hibernation issues */
- adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+ adev_to_drm(adev)->mode_config.prefer_shadow = 1;
adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
index e0ad9f27dc3f9..cbe5250b31cb4 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c
@@ -2914,8 +2914,7 @@ static int dce_v11_0_sw_init(void *handle)
adev_to_drm(adev)->mode_config.max_height = 16384;
adev_to_drm(adev)->mode_config.preferred_depth = 24;
- /* disable prefer shadow for now due to hibernation issues */
- adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+ adev_to_drm(adev)->mode_config.prefer_shadow = 1;
adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
index 77f5e998a1202..b1c44fab074f3 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v6_0.c
@@ -2673,8 +2673,7 @@ static int dce_v6_0_sw_init(void *handle)
adev_to_drm(adev)->mode_config.max_width = 16384;
adev_to_drm(adev)->mode_config.max_height = 16384;
adev_to_drm(adev)->mode_config.preferred_depth = 24;
- /* disable prefer shadow for now due to hibernation issues */
- adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+ adev_to_drm(adev)->mode_config.prefer_shadow = 1;
adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
adev_to_drm(adev)->mode_config.fb_base = adev->gmc.aper_base;
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index 802e5c753271c..a22b45c927922 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -2693,8 +2693,11 @@ static int dce_v8_0_sw_init(void *handle)
adev_to_drm(adev)->mode_config.max_height = 16384;
adev_to_drm(adev)->mode_config.preferred_depth = 24;
- /* disable prefer shadow for now due to hibernation issues */
- adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+ if (adev->asic_type == CHIP_HAWAII)
+ /* disable prefer shadow for now due to hibernation issues */
+ adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+ else
+ adev_to_drm(adev)->mode_config.prefer_shadow = 1;
adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 08906c7778b48..5140d9c2bf3b4 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -3825,8 +3825,11 @@ static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
adev_to_drm(adev)->mode_config.max_height = 16384;
adev_to_drm(adev)->mode_config.preferred_depth = 24;
- /* disable prefer shadow for now due to hibernation issues */
- adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+ if (adev->asic_type == CHIP_HAWAII)
+ /* disable prefer shadow for now due to hibernation issues */
+ adev_to_drm(adev)->mode_config.prefer_shadow = 0;
+ else
+ adev_to_drm(adev)->mode_config.prefer_shadow = 1;
/* indicates support for immediate flip */
adev_to_drm(adev)->mode_config.async_page_flip = true;
--
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